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authorPhilip Withnall <philip@tecnocode.co.uk>2020-11-20 14:55:03 +0000
committerPhilip Withnall <philip@tecnocode.co.uk>2020-11-20 14:55:03 +0000
commit936a07173a7a307c7b91de70437cdcb423b72a6d (patch)
treec45181680ac1a9e61bba457c0f828075c44c2439
parent066e68001e0b4f4a186be9e181031125504e3a5e (diff)
parent83e48d8ac1fee98059e2305d8909dca26190bddc (diff)
downloadglib-936a07173a7a307c7b91de70437cdcb423b72a6d.tar.gz
Merge branch '600-drop-volatile' into 'master'
Drop use of volatile Closes #600 See merge request GNOME/glib!1719
-rw-r--r--docs/reference/gobject/glib-mkenums.xml8
-rw-r--r--docs/reference/gobject/tut_gtype.xml2
-rw-r--r--gio/gdbusconnection.c34
-rw-r--r--gio/gdbuserror.c31
-rw-r--r--gio/gdbusinterfaceskeleton.c2
-rw-r--r--gio/gdbusintrospection.h14
-rw-r--r--gio/gdbusnameowning.c4
-rw-r--r--gio/gdbusnamewatching.c4
-rw-r--r--gio/gdbusprivate.c13
-rw-r--r--gio/gioenumtypes.c.template8
-rw-r--r--gio/gnetworking.c2
-rw-r--r--gio/gresource.c2
-rw-r--r--gio/kqueue/kqueue-missing.c5
-rw-r--r--gio/tests/g-file-info.c2
-rw-r--r--gio/tests/gdbus-connection-flush.c6
-rw-r--r--gio/tests/gdbus-connection.c40
-rw-r--r--gio/tests/gdbus-overflow.c20
-rw-r--r--gio/tests/gsettings.c4
-rw-r--r--gio/tests/socket-service.c6
-rw-r--r--gio/tests/task.c150
-rw-r--r--glib/gatomic.c82
-rw-r--r--glib/gatomic.h6
-rw-r--r--glib/gdatetime.c2
-rw-r--r--glib/gkeyfile.c2
-rw-r--r--glib/gmain.c8
-rw-r--r--glib/gmarkup.c2
-rw-r--r--glib/gmessages.h4
-rw-r--r--glib/gregex.c6
-rw-r--r--glib/gthread-win32.c13
-rw-r--r--glib/gthread.c12
-rw-r--r--glib/gtypes.h4
-rw-r--r--glib/tests/642026.c4
-rw-r--r--glib/tests/atomic.c10
-rw-r--r--glib/tests/cond.c2
-rw-r--r--glib/tests/gwakeuptest.c2
-rw-r--r--glib/tests/hash.c2
-rw-r--r--glib/tests/mainloop.c20
-rw-r--r--glib/tests/slice.c2
-rw-r--r--gobject/gatomicarray.h4
-rw-r--r--gobject/gbinding.c8
-rw-r--r--gobject/gboxed.c8
-rw-r--r--gobject/gclosure.c2
-rw-r--r--gobject/gclosure.h20
-rw-r--r--gobject/glib-enumtypes.c.template8
-rw-r--r--gobject/gobject.c4
-rw-r--r--gobject/gobject.h2
-rw-r--r--gobject/gsourceclosure.c2
-rw-r--r--gobject/gtype.c28
-rw-r--r--gobject/gtype.h48
-rw-r--r--gobject/tests/qdata.c2
-rw-r--r--gobject/tests/signals.c16
-rw-r--r--gobject/tests/threadtests.c4
-rw-r--r--meson.build3
-rw-r--r--tests/gobject/performance-threaded.c2
-rw-r--r--tests/gobject/performance.c4
-rw-r--r--tests/onceinit.c16
-rw-r--r--tests/refcount/objects.c8
-rw-r--r--tests/refcount/properties3.c8
58 files changed, 407 insertions, 330 deletions
diff --git a/docs/reference/gobject/glib-mkenums.xml b/docs/reference/gobject/glib-mkenums.xml
index 2200328ed..ce250a3ff 100644
--- a/docs/reference/gobject/glib-mkenums.xml
+++ b/docs/reference/gobject/glib-mkenums.xml
@@ -480,9 +480,9 @@ A C source template file will typically look like this:
GType
@enum_name@_get_type (void)
{
- static volatile gsize g_@type@_type_id__volatile;
+ static gsize static_g_@type@_type_id;
- if (g_once_init_enter (&amp;g_define_type_id__volatile))
+ if (g_once_init_enter (&amp;static_g_@type@_type_id))
{
static const G@Type@Value values[] = {
/*** END value-header ***/
@@ -498,9 +498,9 @@ GType
GType g_@type@_type_id =
g_@type@_register_static (g_intern_static_string ("@EnumName@"), values);
- g_once_init_leave (&amp;g_@type@_type_id__volatile, g_@type@_type_id);
+ g_once_init_leave (&amp;static_g_@type@_type_id, g_@type@_type_id);
}
- return g_@type@_type_id__volatile;
+ return static_g_@type@_type_id;
}
/*** END value-tail ***/
diff --git a/docs/reference/gobject/tut_gtype.xml b/docs/reference/gobject/tut_gtype.xml
index 25e37dc48..ee042889d 100644
--- a/docs/reference/gobject/tut_gtype.xml
+++ b/docs/reference/gobject/tut_gtype.xml
@@ -852,7 +852,7 @@ viewer_editable_default_init (ViewerEditableInterface *iface)
GType
viewer_editable_get_type (void)
{
- static volatile gsize type_id = 0;
+ static gsize type_id = 0;
if (g_once_init_enter (&amp;type_id)) {
const GTypeInfo info = {
sizeof (ViewerEditableInterface),
diff --git a/gio/gdbusconnection.c b/gio/gdbusconnection.c
index ed8cf6219..65939a4d2 100644
--- a/gio/gdbusconnection.c
+++ b/gio/gdbusconnection.c
@@ -393,7 +393,7 @@ struct _GDBusConnection
* FLAG_CLOSED is the closed property. It may be read at any time, but
* may only be written while holding @lock.
*/
- volatile gint atomic_flags;
+ gint atomic_flags; /* (atomic) */
/* If the connection could not be established during initable_init(),
* this GError will be set.
@@ -1596,7 +1596,7 @@ static gboolean
g_dbus_connection_send_message_unlocked (GDBusConnection *connection,
GDBusMessage *message,
GDBusSendMessageFlags flags,
- volatile guint32 *out_serial,
+ guint32 *out_serial,
GError **error)
{
guchar *blob;
@@ -1708,7 +1708,9 @@ g_dbus_connection_send_message_unlocked (GDBusConnection *connection,
* will be assigned by @connection and set on @message via
* g_dbus_message_set_serial(). If @out_serial is not %NULL, then the
* serial number used will be written to this location prior to
- * submitting the message to the underlying transport.
+ * submitting the message to the underlying transport. While it has a `volatile`
+ * qualifier, this is a historical artifact and the argument passed to it should
+ * not be `volatile`.
*
* If @connection is closed then the operation will fail with
* %G_IO_ERROR_CLOSED. If @message is not well-formed,
@@ -1741,7 +1743,7 @@ g_dbus_connection_send_message (GDBusConnection *connection,
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
CONNECTION_LOCK (connection);
- ret = g_dbus_connection_send_message_unlocked (connection, message, flags, out_serial, error);
+ ret = g_dbus_connection_send_message_unlocked (connection, message, flags, (guint32 *) out_serial, error);
CONNECTION_UNLOCK (connection);
return ret;
}
@@ -1901,7 +1903,7 @@ g_dbus_connection_send_message_with_reply_unlocked (GDBusConnection *connect
GDBusMessage *message,
GDBusSendMessageFlags flags,
gint timeout_msec,
- volatile guint32 *out_serial,
+ guint32 *out_serial,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
@@ -1909,7 +1911,7 @@ g_dbus_connection_send_message_with_reply_unlocked (GDBusConnection *connect
GTask *task;
SendMessageData *data;
GError *error = NULL;
- volatile guint32 serial;
+ guint32 serial;
if (out_serial == NULL)
out_serial = &serial;
@@ -1979,7 +1981,9 @@ g_dbus_connection_send_message_with_reply_unlocked (GDBusConnection *connect
* will be assigned by @connection and set on @message via
* g_dbus_message_set_serial(). If @out_serial is not %NULL, then the
* serial number used will be written to this location prior to
- * submitting the message to the underlying transport.
+ * submitting the message to the underlying transport. While it has a `volatile`
+ * qualifier, this is a historical artifact and the argument passed to it should
+ * not be `volatile`.
*
* If @connection is closed then the operation will fail with
* %G_IO_ERROR_CLOSED. If @cancellable is canceled, the operation will
@@ -2022,7 +2026,7 @@ g_dbus_connection_send_message_with_reply (GDBusConnection *connection,
message,
flags,
timeout_msec,
- out_serial,
+ (guint32 *) out_serial,
cancellable,
callback,
user_data);
@@ -2105,7 +2109,9 @@ send_message_with_reply_sync_cb (GDBusConnection *connection,
* will be assigned by @connection and set on @message via
* g_dbus_message_set_serial(). If @out_serial is not %NULL, then the
* serial number used will be written to this location prior to
- * submitting the message to the underlying transport.
+ * submitting the message to the underlying transport. While it has a `volatile`
+ * qualifier, this is a historical artifact and the argument passed to it should
+ * not be `volatile`.
*
* If @connection is closed then the operation will fail with
* %G_IO_ERROR_CLOSED. If @cancellable is canceled, the operation will
@@ -3082,7 +3088,7 @@ g_dbus_connection_get_peer_credentials (GDBusConnection *connection)
/* ---------------------------------------------------------------------------------------------------- */
-static volatile guint _global_filter_id = 1;
+static guint _global_filter_id = 1; /* (atomic) */
/**
* g_dbus_connection_add_filter:
@@ -3327,9 +3333,9 @@ args_to_rule (const gchar *sender,
return g_string_free (rule, FALSE);
}
-static volatile guint _global_subscriber_id = 1;
-static volatile guint _global_registration_id = 1;
-static volatile guint _global_subtree_registration_id = 1;
+static guint _global_subscriber_id = 1; /* (atomic) */
+static guint _global_registration_id = 1; /* (atomic) */
+static guint _global_subtree_registration_id = 1; /* (atomic) */
/* ---------------------------------------------------------------------------------------------------- */
@@ -5992,7 +5998,7 @@ g_dbus_connection_call_sync_internal (GDBusConnection *connection,
message,
send_flags,
timeout_msec,
- NULL, /* volatile guint32 *out_serial */
+ NULL, /* guint32 *out_serial */
cancellable,
&local_error);
diff --git a/gio/gdbuserror.c b/gio/gdbuserror.c
index 682677354..4ad97bb6e 100644
--- a/gio/gdbuserror.c
+++ b/gio/gdbuserror.c
@@ -84,12 +84,12 @@
* GQuark
* foo_bar_error_quark (void)
* {
- * static volatile gsize quark_volatile = 0;
+ * static gsize quark = 0;
* g_dbus_error_register_error_domain ("foo-bar-error-quark",
- * &quark_volatile,
+ * &quark,
* foo_bar_error_entries,
* G_N_ELEMENTS (foo_bar_error_entries));
- * return (GQuark) quark_volatile;
+ * return (GQuark) quark;
* }
* ]|
* With this setup, a D-Bus peer can transparently pass e.g. %FOO_BAR_ERROR_ANOTHER_ERROR and
@@ -160,12 +160,12 @@ GQuark
g_dbus_error_quark (void)
{
G_STATIC_ASSERT (G_N_ELEMENTS (g_dbus_error_entries) - 1 == G_DBUS_ERROR_PROPERTY_READ_ONLY);
- static volatile gsize quark_volatile = 0;
+ static gsize quark = 0;
g_dbus_error_register_error_domain ("g-dbus-error-quark",
- &quark_volatile,
+ &quark,
g_dbus_error_entries,
G_N_ELEMENTS (g_dbus_error_entries));
- return (GQuark) quark_volatile;
+ return (GQuark) quark;
}
/**
@@ -177,6 +177,9 @@ g_dbus_error_quark (void)
*
* Helper function for associating a #GError error domain with D-Bus error names.
*
+ * While @quark_volatile has a `volatile` qualifier, this is a historical
+ * artifact and the argument passed to it should not be `volatile`.
+ *
* Since: 2.26
*/
void
@@ -185,25 +188,31 @@ g_dbus_error_register_error_domain (const gchar *error_domain_quark_na
const GDBusErrorEntry *entries,
guint num_entries)
{
+ gsize *quark;
+
g_return_if_fail (error_domain_quark_name != NULL);
g_return_if_fail (quark_volatile != NULL);
g_return_if_fail (entries != NULL);
g_return_if_fail (num_entries > 0);
- if (g_once_init_enter (quark_volatile))
+ /* Drop the volatile qualifier, which should never have been on the argument
+ * in the first place. */
+ quark = (gsize *) quark_volatile;
+
+ if (g_once_init_enter (quark))
{
guint n;
- GQuark quark;
+ GQuark new_quark;
- quark = g_quark_from_static_string (error_domain_quark_name);
+ new_quark = g_quark_from_static_string (error_domain_quark_name);
for (n = 0; n < num_entries; n++)
{
- g_warn_if_fail (g_dbus_error_register_error (quark,
+ g_warn_if_fail (g_dbus_error_register_error (new_quark,
entries[n].error_code,
entries[n].dbus_error_name));
}
- g_once_init_leave (quark_volatile, quark);
+ g_once_init_leave (quark, new_quark);
}
}
diff --git a/gio/gdbusinterfaceskeleton.c b/gio/gdbusinterfaceskeleton.c
index 243b4a0a4..76398df36 100644
--- a/gio/gdbusinterfaceskeleton.c
+++ b/gio/gdbusinterfaceskeleton.c
@@ -458,7 +458,7 @@ dbus_interface_interface_init (GDBusInterfaceIface *iface)
typedef struct
{
- volatile gint ref_count;
+ gint ref_count; /* (atomic) */
GDBusInterfaceSkeleton *interface;
GDBusInterfaceMethodCallFunc method_call_func;
GDBusMethodInvocation *invocation;
diff --git a/gio/gdbusintrospection.h b/gio/gdbusintrospection.h
index 14b171055..f2e291787 100644
--- a/gio/gdbusintrospection.h
+++ b/gio/gdbusintrospection.h
@@ -43,7 +43,7 @@ G_BEGIN_DECLS
struct _GDBusAnnotationInfo
{
/*< public >*/
- volatile gint ref_count;
+ gint ref_count; /* (atomic) */
gchar *key;
gchar *value;
GDBusAnnotationInfo **annotations;
@@ -63,7 +63,7 @@ struct _GDBusAnnotationInfo
struct _GDBusArgInfo
{
/*< public >*/
- volatile gint ref_count;
+ gint ref_count; /* (atomic) */
gchar *name;
gchar *signature;
GDBusAnnotationInfo **annotations;
@@ -84,7 +84,7 @@ struct _GDBusArgInfo
struct _GDBusMethodInfo
{
/*< public >*/
- volatile gint ref_count;
+ gint ref_count; /* (atomic) */
gchar *name;
GDBusArgInfo **in_args;
GDBusArgInfo **out_args;
@@ -105,7 +105,7 @@ struct _GDBusMethodInfo
struct _GDBusSignalInfo
{
/*< public >*/
- volatile gint ref_count;
+ gint ref_count; /* (atomic) */
gchar *name;
GDBusArgInfo **args;
GDBusAnnotationInfo **annotations;
@@ -126,7 +126,7 @@ struct _GDBusSignalInfo
struct _GDBusPropertyInfo
{
/*< public >*/
- volatile gint ref_count;
+ gint ref_count; /* (atomic) */
gchar *name;
gchar *signature;
GDBusPropertyInfoFlags flags;
@@ -149,7 +149,7 @@ struct _GDBusPropertyInfo
struct _GDBusInterfaceInfo
{
/*< public >*/
- volatile gint ref_count;
+ gint ref_count; /* (atomic) */
gchar *name;
GDBusMethodInfo **methods;
GDBusSignalInfo **signals;
@@ -172,7 +172,7 @@ struct _GDBusInterfaceInfo
struct _GDBusNodeInfo
{
/*< public >*/
- volatile gint ref_count;
+ gint ref_count; /* (atomic) */
gchar *path;
GDBusInterfaceInfo **interfaces;
GDBusNodeInfo **nodes;
diff --git a/gio/gdbusnameowning.c b/gio/gdbusnameowning.c
index d20e6ffed..1130d6789 100644
--- a/gio/gdbusnameowning.c
+++ b/gio/gdbusnameowning.c
@@ -55,7 +55,7 @@ typedef enum
typedef struct
{
- volatile gint ref_count;
+ gint ref_count; /* (atomic) */
guint id;
GBusNameOwnerFlags flags;
gchar *name;
@@ -73,7 +73,7 @@ typedef struct
guint name_acquired_subscription_id;
guint name_lost_subscription_id;
- volatile gboolean cancelled; /* must hold lock when reading or modifying */
+ gboolean cancelled; /* must hold lock when reading or modifying */
gboolean needs_release;
} Client;
diff --git a/gio/gdbusnamewatching.c b/gio/gdbusnamewatching.c
index bc2a9119e..8d24700c5 100644
--- a/gio/gdbusnamewatching.c
+++ b/gio/gdbusnamewatching.c
@@ -56,7 +56,7 @@ typedef enum
typedef struct
{
- volatile gint ref_count;
+ gint ref_count; /* (atomic) */
guint id;
gchar *name;
GBusNameWatcherFlags flags;
@@ -78,7 +78,7 @@ typedef struct
} Client;
/* Must be accessed atomically. */
-static volatile guint next_global_id = 1;
+static guint next_global_id = 1; /* (atomic) */
/* Must be accessed with @lock held. */
static GHashTable *map_id_to_client = NULL;
diff --git a/gio/gdbusprivate.c b/gio/gdbusprivate.c
index 2551e4791..4e42c1a4d 100644
--- a/gio/gdbusprivate.c
+++ b/gio/gdbusprivate.c
@@ -265,7 +265,7 @@ ensure_required_types (void)
typedef struct
{
- volatile gint refcount;
+ gint refcount; /* (atomic) */
GThread *thread;
GMainContext *context;
GMainLoop *loop;
@@ -341,12 +341,12 @@ typedef enum {
struct GDBusWorker
{
- volatile gint ref_count;
+ gint ref_count; /* (atomic) */
SharedThreadData *shared_thread_data;
/* really a boolean, but GLib 2.28 lacks atomic boolean ops */
- volatile gint stopped;
+ gint stopped; /* (atomic) */
/* TODO: frozen (e.g. G_DBUS_CONNECTION_FLAGS_DELAY_MESSAGE_PROCESSING) currently
* only affects messages received from the other peer (since GDBusServer is the
@@ -1941,15 +1941,14 @@ _g_dbus_debug_print_unlock (void)
void
_g_dbus_initialize (void)
{
- static volatile gsize initialized = 0;
+ static gsize initialized = 0;
if (g_once_init_enter (&initialized))
{
- volatile GQuark g_dbus_error_domain;
const gchar *debug;
- g_dbus_error_domain = G_DBUS_ERROR;
- (g_dbus_error_domain); /* To avoid -Wunused-but-set-variable */
+ /* Ensure the domain is registered. */
+ g_dbus_error_quark ();
debug = g_getenv ("G_DBUS_DEBUG");
if (debug != NULL)
diff --git a/gio/gioenumtypes.c.template b/gio/gioenumtypes.c.template
index e9adc4a38..948a01201 100644
--- a/gio/gioenumtypes.c.template
+++ b/gio/gioenumtypes.c.template
@@ -13,9 +13,9 @@
GType
@enum_name@_get_type (void)
{
- static volatile gsize g_define_type_id__volatile = 0;
+ static gsize static_g_define_type_id = 0;
- if (g_once_init_enter (&g_define_type_id__volatile))
+ if (g_once_init_enter (&static_g_define_type_id))
{
static const G@Type@Value values[] = {
/*** END value-header ***/
@@ -29,10 +29,10 @@ GType
};
GType g_define_type_id =
g_@type@_register_static (g_intern_static_string ("@EnumName@"), values);
- g_once_init_leave (&g_define_type_id__volatile, g_define_type_id);
+ g_once_init_leave (&static_g_define_type_id, g_define_type_id);
}
- return g_define_type_id__volatile;
+ return static_g_define_type_id;
}
/*** END value-tail ***/
diff --git a/gio/gnetworking.c b/gio/gnetworking.c
index 05507fe70..7bc6d73c4 100644
--- a/gio/gnetworking.c
+++ b/gio/gnetworking.c
@@ -61,7 +61,7 @@ void
g_networking_init (void)
{
#ifdef G_OS_WIN32
- static volatile gsize inited = 0;
+ static gsize inited = 0;
if (g_once_init_enter (&inited))
{
diff --git a/gio/gresource.c b/gio/gresource.c
index 79a49d33d..b495d12ac 100644
--- a/gio/gresource.c
+++ b/gio/gresource.c
@@ -1398,7 +1398,7 @@ register_lazy_static_resources (void)
void
g_static_resource_init (GStaticResource *static_resource)
{
- gpointer next;
+ GStaticResource *next;
do
{
diff --git a/gio/kqueue/kqueue-missing.c b/gio/kqueue/kqueue-missing.c
index 37af82e5b..d1ffdf4bd 100644
--- a/gio/kqueue/kqueue-missing.c
+++ b/gio/kqueue/kqueue-missing.c
@@ -34,7 +34,7 @@ static gboolean km_debug_enabled = FALSE;
static GSList *missing_subs_list = NULL;
G_LOCK_DEFINE_STATIC (missing_lock);
-static volatile gboolean scan_missing_running = FALSE;
+static gboolean scan_missing_running = FALSE; /* must be accessed under @missing_lock */
static gboolean
@@ -62,7 +62,6 @@ _km_add_missing (kqueue_sub *sub)
KM_W ("adding %s to missing list\n", sub->filename);
missing_subs_list = g_slist_prepend (missing_subs_list, sub);
- G_UNLOCK (missing_lock);
if (!scan_missing_running)
{
@@ -73,6 +72,8 @@ _km_add_missing (kqueue_sub *sub)
g_source_attach (source, GLIB_PRIVATE_CALL (g_get_worker_context) ());
g_source_unref (source);
}
+
+ G_UNLOCK (missing_lock);
}
/**
diff --git a/gio/tests/g-file-info.c b/gio/tests/g-file-info.c
index 809b0ec79..1a02b5e0e 100644
--- a/gio/tests/g-file-info.c
+++ b/gio/tests/g-file-info.c
@@ -221,7 +221,7 @@ test_internal_enhanced_stdio (void)
guint64 size_p0, alsize_p0, size_ps, alsize_ps;
const gchar *id_p0;
const gchar *id_p1;
- volatile guint64 time_p0;
+ guint64 time_p0;
gchar *tmp_dir;
wchar_t *programdata_dir_w;
wchar_t *users_dir_w;
diff --git a/gio/tests/gdbus-connection-flush.c b/gio/tests/gdbus-connection-flush.c
index 73a034b81..8c925825a 100644
--- a/gio/tests/gdbus-connection-flush.c
+++ b/gio/tests/gdbus-connection-flush.c
@@ -43,9 +43,9 @@ G_LOCK_DEFINE_STATIC (write);
typedef struct {
GFilterOutputStream parent;
- volatile gint started;
- volatile gint finished;
- volatile gint flushed;
+ gint started; /* (atomic) */
+ gint finished; /* (atomic) */
+ gint flushed; /* (atomic) */
GOutputStream *real_output;
} MyOutputStream;
diff --git a/gio/tests/gdbus-connection.c b/gio/tests/gdbus-connection.c
index 278570609..51dd27f7e 100644
--- a/gio/tests/gdbus-connection.c
+++ b/gio/tests/gdbus-connection.c
@@ -61,9 +61,9 @@ _log (const gchar *format, ...)
static gboolean
test_connection_quit_mainloop (gpointer user_data)
{
- volatile gboolean *quit_mainloop_fired = user_data;
+ gboolean *quit_mainloop_fired = user_data; /* (atomic) */
_log ("quit_mainloop_fired");
- *quit_mainloop_fired = TRUE;
+ g_atomic_int_set (quit_mainloop_fired, TRUE);
g_main_loop_quit (loop);
return G_SOURCE_CONTINUE;
}
@@ -113,8 +113,8 @@ on_name_owner_changed (GDBusConnection *connection,
static void
a_gdestroynotify_that_sets_a_gboolean_to_true_and_quits_loop (gpointer user_data)
{
- volatile gboolean *val = user_data;
- *val = TRUE;
+ gboolean *val = user_data; /* (atomic) */
+ g_atomic_int_set (val, TRUE);
_log ("destroynotify fired for %p", val);
g_main_loop_quit (loop);
}
@@ -143,10 +143,10 @@ test_connection_life_cycle (void)
GDBusConnection *c;
GDBusConnection *c2;
GError *error;
- volatile gboolean on_signal_registration_freed_called;
- volatile gboolean on_filter_freed_called;
- volatile gboolean on_register_object_freed_called;
- volatile gboolean quit_mainloop_fired;
+ gboolean on_signal_registration_freed_called; /* (atomic) */
+ gboolean on_filter_freed_called; /* (atomic) */
+ gboolean on_register_object_freed_called; /* (atomic) */
+ gboolean quit_mainloop_fired; /* (atomic) */
guint quit_mainloop_id;
guint registration_id;
@@ -208,7 +208,7 @@ test_connection_life_cycle (void)
g_assert_no_error (error);
g_assert_nonnull (c2);
/* signal registration */
- on_signal_registration_freed_called = FALSE;
+ g_atomic_int_set (&on_signal_registration_freed_called, FALSE);
g_dbus_connection_signal_subscribe (c2,
"org.freedesktop.DBus", /* bus name */
"org.freedesktop.DBus", /* interface */
@@ -220,13 +220,13 @@ test_connection_life_cycle (void)
(gpointer) &on_signal_registration_freed_called,
a_gdestroynotify_that_sets_a_gboolean_to_true_and_quits_loop);
/* filter func */
- on_filter_freed_called = FALSE;
+ g_atomic_int_set (&on_filter_freed_called, FALSE);
g_dbus_connection_add_filter (c2,
some_filter_func,
(gpointer) &on_filter_freed_called,
a_gdestroynotify_that_sets_a_gboolean_to_true_and_quits_loop);
/* object registration */
- on_register_object_freed_called = FALSE;
+ g_atomic_int_set (&on_register_object_freed_called, FALSE);
error = NULL;
registration_id = g_dbus_connection_register_object (c2,
"/foo",
@@ -239,7 +239,7 @@ test_connection_life_cycle (void)
g_assert_cmpuint (registration_id, >, 0);
/* ok, finalize the connection and check that all the GDestroyNotify functions are invoked as expected */
g_object_unref (c2);
- quit_mainloop_fired = FALSE;
+ g_atomic_int_set (&quit_mainloop_fired, FALSE);
quit_mainloop_id = g_timeout_add (30000, test_connection_quit_mainloop, (gpointer) &quit_mainloop_fired);
_log ("destroynotifies for\n"
" register_object %p\n"
@@ -250,21 +250,21 @@ test_connection_life_cycle (void)
&on_signal_registration_freed_called);
while (TRUE)
{
- if (on_signal_registration_freed_called &&
- on_filter_freed_called &&
- on_register_object_freed_called)
+ if (g_atomic_int_get (&on_signal_registration_freed_called) &&
+ g_atomic_int_get (&on_filter_freed_called) &&
+ g_atomic_int_get (&on_register_object_freed_called))
break;
- if (quit_mainloop_fired)
+ if (g_atomic_int_get (&quit_mainloop_fired))
break;
_log ("entering loop");
g_main_loop_run (loop);
_log ("exiting loop");
}
g_source_remove (quit_mainloop_id);
- g_assert_true (on_signal_registration_freed_called);
- g_assert_true (on_filter_freed_called);
- g_assert_true (on_register_object_freed_called);
- g_assert_false (quit_mainloop_fired);
+ g_assert_true (g_atomic_int_get (&on_signal_registration_freed_called));
+ g_assert_true (g_atomic_int_get (&on_filter_freed_called));
+ g_assert_true (g_atomic_int_get (&on_register_object_freed_called));
+ g_assert_false (g_atomic_int_get (&quit_mainloop_fired));
/*
* Check for correct behavior when the bus goes away
diff --git a/gio/tests/gdbus-overflow.c b/gio/tests/gdbus-overflow.c
index ca3d5d0e7..d3e1eb295 100644
--- a/gio/tests/gdbus-overflow.c
+++ b/gio/tests/gdbus-overflow.c
@@ -86,8 +86,8 @@ overflow_filter_func (GDBusConnection *connection,
gboolean incoming,
gpointer user_data)
{
- volatile gint *counter = user_data;
- *counter += 1;
+ gint *counter = user_data; /* (atomic) */
+ g_atomic_int_inc (counter);
return message;
}
@@ -108,8 +108,8 @@ test_overflow (void)
GDBusConnection *producer, *consumer;
GError *error;
GTimer *timer;
- volatile gint n_messages_received;
- volatile gint n_messages_sent;
+ gint n_messages_received; /* (atomic) */
+ gint n_messages_sent; /* (atomic) */
g_assert_cmpint (socketpair (AF_UNIX, SOCK_STREAM, 0, sv), ==, 0);
@@ -129,7 +129,7 @@ test_overflow (void)
g_dbus_connection_set_exit_on_close (producer, TRUE);
g_assert_no_error (error);
g_object_unref (socket_connection);
- n_messages_sent = 0;
+ g_atomic_int_set (&n_messages_sent, 0);
g_dbus_connection_add_filter (producer, overflow_filter_func, (gpointer) &n_messages_sent, NULL);
/* send enough data that we get an EAGAIN */
@@ -155,7 +155,7 @@ test_overflow (void)
*/
g_timeout_add (500, overflow_on_500ms_later_func, NULL);
g_main_loop_run (loop);
- g_assert_cmpint (n_messages_sent, <, OVERFLOW_NUM_SIGNALS);
+ g_assert_cmpint (g_atomic_int_get (&n_messages_sent), <, OVERFLOW_NUM_SIGNALS);
/* now suck it all out as a client, and add it up */
socket = g_socket_new_from_fd (sv[1], &error);
@@ -171,18 +171,18 @@ test_overflow (void)
&error);
g_assert_no_error (error);
g_object_unref (socket_connection);
- n_messages_received = 0;
+ g_atomic_int_set (&n_messages_received, 0);
g_dbus_connection_add_filter (consumer, overflow_filter_func, (gpointer) &n_messages_received, NULL);
g_dbus_connection_start_message_processing (consumer);
timer = g_timer_new ();
g_timer_start (timer);
- while (n_messages_received < OVERFLOW_NUM_SIGNALS && g_timer_elapsed (timer, NULL) < OVERFLOW_TIMEOUT_SEC)
+ while (g_atomic_int_get (&n_messages_received) < OVERFLOW_NUM_SIGNALS && g_timer_elapsed (timer, NULL) < OVERFLOW_TIMEOUT_SEC)
g_main_context_iteration (NULL, FALSE);
- g_assert_cmpint (n_messages_sent, ==, OVERFLOW_NUM_SIGNALS);
- g_assert_cmpint (n_messages_received, ==, OVERFLOW_NUM_SIGNALS);
+ g_assert_cmpint (g_atomic_int_get (&n_messages_sent), ==, OVERFLOW_NUM_SIGNALS);
+ g_assert_cmpint (g_atomic_int_get (&n_messages_received), ==, OVERFLOW_NUM_SIGNALS);
g_timer_destroy (timer);
g_object_unref (consumer);
diff --git a/gio/tests/gsettings.c b/gio/tests/gsettings.c
index 2f81ae6c3..179d0fd2f 100644
--- a/gio/tests/gsettings.c
+++ b/gio/tests/gsettings.c
@@ -1060,7 +1060,7 @@ test_object_set_property (GObject *object,
static GType
test_enum_get_type (void)
{
- static volatile gsize define_type_id = 0;
+ static gsize define_type_id = 0;
if (g_once_init_enter (&define_type_id))
{
@@ -1082,7 +1082,7 @@ test_enum_get_type (void)
static GType
test_flags_get_type (void)
{
- static volatile gsize define_type_id = 0;
+ static gsize define_type_id = 0;
if (g_once_init_enter (&define_type_id))
{
diff --git a/gio/tests/socket-service.c b/gio/tests/socket-service.c
index f1dd783d1..8487a700e 100644
--- a/gio/tests/socket-service.c
+++ b/gio/tests/socket-service.c
@@ -99,7 +99,7 @@ test_start_stop (void)
GMutex mutex_712570;
GCond cond_712570;
-volatile gboolean finalized;
+gboolean finalized; /* (atomic) */
GType test_threaded_socket_service_get_type (void);
typedef GThreadedSocketService TestThreadedSocketService;
@@ -120,7 +120,7 @@ test_threaded_socket_service_finalize (GObject *object)
/* Signal the main thread that finalization completed successfully
* rather than hanging.
*/
- finalized = TRUE;
+ g_atomic_int_set (&finalized, TRUE);
g_cond_signal (&cond_712570);
g_mutex_unlock (&mutex_712570);
}
@@ -235,7 +235,7 @@ test_threaded_712570 (void)
*/
g_object_unref (service);
- while (!finalized)
+ while (!g_atomic_int_get (&finalized))
g_cond_wait (&cond_712570, &mutex_712570);
g_mutex_unlock (&mutex_712570);
}
diff --git a/gio/tests/task.c b/gio/tests/task.c
index cca05ced1..7ce8438ff 100644
--- a/gio/tests/task.c
+++ b/gio/tests/task.c
@@ -957,7 +957,7 @@ task_weak_notify (gpointer user_data,
gboolean *weak_notify_ran = user_data;
g_mutex_lock (&run_in_thread_mutex);
- *weak_notify_ran = TRUE;
+ g_atomic_int_set (weak_notify_ran, TRUE);
g_cond_signal (&run_in_thread_cond);
g_mutex_unlock (&run_in_thread_mutex);
}
@@ -1007,7 +1007,7 @@ run_in_thread_thread (GTask *task,
g_assert (g_thread_self () != main_thread);
g_mutex_lock (&run_in_thread_mutex);
- *thread_ran = TRUE;
+ g_atomic_int_set (thread_ran, TRUE);
g_cond_signal (&run_in_thread_cond);
g_mutex_unlock (&run_in_thread_mutex);
@@ -1018,8 +1018,8 @@ static void
test_run_in_thread (void)
{
GTask *task;
- volatile gboolean thread_ran = FALSE;
- volatile gboolean weak_notify_ran = FALSE;
+ gboolean thread_ran = FALSE; /* (atomic) */
+ gboolean weak_notify_ran = FALSE; /* (atomic) */
gboolean notification_emitted = FALSE;
gboolean done = FALSE;
@@ -1033,12 +1033,12 @@ test_run_in_thread (void)
g_task_run_in_thread (task, run_in_thread_thread);
g_mutex_lock (&run_in_thread_mutex);
- while (!thread_ran)
+ while (!g_atomic_int_get (&thread_ran))
g_cond_wait (&run_in_thread_cond, &run_in_thread_mutex);
g_mutex_unlock (&run_in_thread_mutex);
g_assert (done == FALSE);
- g_assert (weak_notify_ran == FALSE);
+ g_assert_false (g_atomic_int_get (&weak_notify_ran));
g_main_loop_run (loop);
@@ -1050,7 +1050,7 @@ test_run_in_thread (void)
g_object_unref (task);
g_mutex_lock (&run_in_thread_mutex);
- while (!weak_notify_ran)
+ while (!g_atomic_int_get (&weak_notify_ran))
g_cond_wait (&run_in_thread_cond, &run_in_thread_mutex);
g_mutex_unlock (&run_in_thread_mutex);
}
@@ -1081,7 +1081,7 @@ run_in_thread_sync_thread (GTask *task,
g_assert (g_thread_self () != main_thread);
- *thread_ran = TRUE;
+ g_atomic_int_set (thread_ran, TRUE);
g_task_return_int (task, magic);
}
@@ -1102,7 +1102,7 @@ test_run_in_thread_sync (void)
g_task_set_task_data (task, &thread_ran, NULL);
g_task_run_in_thread_sync (task, run_in_thread_sync_thread);
- g_assert (thread_ran == TRUE);
+ g_assert_true (g_atomic_int_get (&thread_ran));
g_assert (task != NULL);
g_assert (!g_task_had_error (task));
g_assert_true (g_task_get_completed (task));
@@ -1487,8 +1487,8 @@ test_return_on_cancel (void)
{
GTask *task;
GCancellable *cancellable;
- volatile ThreadState thread_state;
- volatile gboolean weak_notify_ran = FALSE;
+ ThreadState thread_state; /* (atomic) */
+ gboolean weak_notify_ran = FALSE; /* (atomic) */
gboolean callback_ran;
gboolean notification_emitted = FALSE;
@@ -1498,7 +1498,7 @@ test_return_on_cancel (void)
* early.
*/
callback_ran = FALSE;
- thread_state = THREAD_STARTING;
+ g_atomic_int_set (&thread_state, THREAD_STARTING);
task = g_task_new (NULL, cancellable, return_on_cancel_callback, &callback_ran);
g_signal_connect (task, "notify::completed",
(GCallback) completed_cb, &notification_emitted);
@@ -1509,18 +1509,18 @@ test_return_on_cancel (void)
g_task_run_in_thread (task, return_on_cancel_thread);
g_object_unref (task);
- while (thread_state == THREAD_STARTING)
+ while (g_atomic_int_get (&thread_state) == THREAD_STARTING)
g_cond_wait (&roc_init_cond, &roc_init_mutex);
g_mutex_unlock (&roc_init_mutex);
- g_assert (thread_state == THREAD_RUNNING);
+ g_assert_cmpint (g_atomic_int_get (&thread_state), ==, THREAD_RUNNING);
g_assert (callback_ran == FALSE);
g_cancellable_cancel (cancellable);
g_mutex_unlock (&roc_finish_mutex);
g_main_loop_run (loop);
- g_assert (thread_state == THREAD_COMPLETED);
+ g_assert_cmpint (g_atomic_int_get (&thread_state), ==, THREAD_COMPLETED);
g_assert (callback_ran == TRUE);
g_assert_true (notification_emitted);
@@ -1529,7 +1529,7 @@ test_return_on_cancel (void)
/* If return-on-cancel is TRUE, it does return early */
callback_ran = FALSE;
notification_emitted = FALSE;
- thread_state = THREAD_STARTING;
+ g_atomic_int_set (&thread_state, THREAD_STARTING);
task = g_task_new (NULL, cancellable, return_on_cancel_callback, &callback_ran);
g_object_weak_ref (G_OBJECT (task), task_weak_notify, (gpointer)&weak_notify_ran);
g_signal_connect (task, "notify::completed",
@@ -1542,27 +1542,27 @@ test_return_on_cancel (void)
g_task_run_in_thread (task, return_on_cancel_thread);
g_object_unref (task);
- while (thread_state == THREAD_STARTING)
+ while (g_atomic_int_get (&thread_state) == THREAD_STARTING)
g_cond_wait (&roc_init_cond, &roc_init_mutex);
g_mutex_unlock (&roc_init_mutex);
- g_assert (thread_state == THREAD_RUNNING);
+ g_assert_cmpint (g_atomic_int_get (&thread_state), ==, THREAD_RUNNING);
g_assert (callback_ran == FALSE);
g_cancellable_cancel (cancellable);
g_main_loop_run (loop);
- g_assert (thread_state == THREAD_RUNNING);
+ g_assert_cmpint (g_atomic_int_get (&thread_state), ==, THREAD_RUNNING);
g_assert (callback_ran == TRUE);
- g_assert (weak_notify_ran == FALSE);
+ g_assert_false (g_atomic_int_get (&weak_notify_ran));
- while (thread_state == THREAD_RUNNING)
+ while (g_atomic_int_get (&thread_state) == THREAD_RUNNING)
g_cond_wait (&roc_finish_cond, &roc_finish_mutex);
g_mutex_unlock (&roc_finish_mutex);
- g_assert (thread_state == THREAD_CANCELLED);
+ g_assert_cmpint (g_atomic_int_get (&thread_state), ==, THREAD_CANCELLED);
g_mutex_lock (&run_in_thread_mutex);
- while (!weak_notify_ran)
+ while (!g_atomic_int_get (&weak_notify_ran))
g_cond_wait (&run_in_thread_cond, &run_in_thread_mutex);
g_mutex_unlock (&run_in_thread_mutex);
@@ -1574,7 +1574,7 @@ test_return_on_cancel (void)
*/
callback_ran = FALSE;
notification_emitted = FALSE;
- thread_state = THREAD_STARTING;
+ g_atomic_int_set (&thread_state, THREAD_STARTING);
task = g_task_new (NULL, cancellable, return_on_cancel_callback, &callback_ran);
g_signal_connect (task, "notify::completed",
(GCallback) completed_cb, &notification_emitted);
@@ -1591,17 +1591,17 @@ test_return_on_cancel (void)
g_main_loop_run (loop);
g_assert (callback_ran == TRUE);
- while (thread_state == THREAD_STARTING)
+ while (g_atomic_int_get (&thread_state) == THREAD_STARTING)
g_cond_wait (&roc_init_cond, &roc_init_mutex);
g_mutex_unlock (&roc_init_mutex);
- g_assert (thread_state == THREAD_RUNNING);
+ g_assert_cmpint (g_atomic_int_get (&thread_state), ==, THREAD_RUNNING);
- while (thread_state == THREAD_RUNNING)
+ while (g_atomic_int_get (&thread_state) == THREAD_RUNNING)
g_cond_wait (&roc_finish_cond, &roc_finish_mutex);
g_mutex_unlock (&roc_finish_mutex);
- g_assert (thread_state == THREAD_CANCELLED);
+ g_assert_cmpint (g_atomic_int_get (&thread_state), ==, THREAD_CANCELLED);
g_assert_true (notification_emitted);
g_object_unref (cancellable);
@@ -1621,7 +1621,7 @@ test_return_on_cancel_sync (void)
{
GTask *task;
GCancellable *cancellable;
- volatile ThreadState thread_state;
+ ThreadState thread_state; /* (atomic) */
GThread *runner_thread;
gssize ret;
GError *error = NULL;
@@ -1630,7 +1630,7 @@ test_return_on_cancel_sync (void)
/* If return-on-cancel is FALSE, the task does not return early.
*/
- thread_state = THREAD_STARTING;
+ g_atomic_int_set (&thread_state, THREAD_STARTING);
task = g_task_new (NULL, cancellable, run_in_thread_sync_callback, NULL);
g_task_set_task_data (task, (gpointer)&thread_state, NULL);
@@ -1639,16 +1639,16 @@ test_return_on_cancel_sync (void)
runner_thread = g_thread_new ("return-on-cancel-sync runner thread",
cancel_sync_runner_thread, task);
- while (thread_state == THREAD_STARTING)
+ while (g_atomic_int_get (&thread_state) == THREAD_STARTING)
g_cond_wait (&roc_init_cond, &roc_init_mutex);
g_mutex_unlock (&roc_init_mutex);
- g_assert (thread_state == THREAD_RUNNING);
+ g_assert_cmpint (g_atomic_int_get (&thread_state), ==, THREAD_RUNNING);
g_cancellable_cancel (cancellable);
g_mutex_unlock (&roc_finish_mutex);
g_thread_join (runner_thread);
- g_assert (thread_state == THREAD_COMPLETED);
+ g_assert_cmpint (g_atomic_int_get (&thread_state), ==, THREAD_COMPLETED);
ret = g_task_propagate_int (task, &error);
g_assert_error (error, G_IO_ERROR, G_IO_ERROR_CANCELLED);
@@ -1660,7 +1660,7 @@ test_return_on_cancel_sync (void)
g_cancellable_reset (cancellable);
/* If return-on-cancel is TRUE, it does return early */
- thread_state = THREAD_STARTING;
+ g_atomic_int_set (&thread_state, THREAD_STARTING);
task = g_task_new (NULL, cancellable, run_in_thread_sync_callback, NULL);
g_task_set_return_on_cancel (task, TRUE);
@@ -1670,15 +1670,15 @@ test_return_on_cancel_sync (void)
runner_thread = g_thread_new ("return-on-cancel-sync runner thread",
cancel_sync_runner_thread, task);
- while (thread_state == THREAD_STARTING)
+ while (g_atomic_int_get (&thread_state) == THREAD_STARTING)
g_cond_wait (&roc_init_cond, &roc_init_mutex);
g_mutex_unlock (&roc_init_mutex);
- g_assert (thread_state == THREAD_RUNNING);
+ g_assert_cmpint (g_atomic_int_get (&thread_state), ==, THREAD_RUNNING);
g_cancellable_cancel (cancellable);
g_thread_join (runner_thread);
- g_assert (thread_state == THREAD_RUNNING);
+ g_assert_cmpint (g_atomic_int_get (&thread_state), ==, THREAD_RUNNING);
ret = g_task_propagate_int (task, &error);
g_assert_error (error, G_IO_ERROR, G_IO_ERROR_CANCELLED);
@@ -1687,18 +1687,18 @@ test_return_on_cancel_sync (void)
g_object_unref (task);
- while (thread_state == THREAD_RUNNING)
+ while (g_atomic_int_get (&thread_state) == THREAD_RUNNING)
g_cond_wait (&roc_finish_cond, &roc_finish_mutex);
g_mutex_unlock (&roc_finish_mutex);
- g_assert (thread_state == THREAD_CANCELLED);
+ g_assert_cmpint (g_atomic_int_get (&thread_state), ==, THREAD_CANCELLED);
g_cancellable_reset (cancellable);
/* If the task is already cancelled before it starts, it returns
* immediately, but the thread func still runs.
*/
- thread_state = THREAD_STARTING;
+ g_atomic_int_set (&thread_state, THREAD_STARTING);
task = g_task_new (NULL, cancellable, run_in_thread_sync_callback, NULL);
g_task_set_return_on_cancel (task, TRUE);
@@ -1711,7 +1711,7 @@ test_return_on_cancel_sync (void)
cancel_sync_runner_thread, task);
g_thread_join (runner_thread);
- g_assert (thread_state == THREAD_STARTING);
+ g_assert_cmpint (g_atomic_int_get (&thread_state), ==, THREAD_STARTING);
ret = g_task_propagate_int (task, &error);
g_assert_error (error, G_IO_ERROR, G_IO_ERROR_CANCELLED);
@@ -1720,17 +1720,17 @@ test_return_on_cancel_sync (void)
g_object_unref (task);
- while (thread_state == THREAD_STARTING)
+ while (g_atomic_int_get (&thread_state) == THREAD_STARTING)
g_cond_wait (&roc_init_cond, &roc_init_mutex);
g_mutex_unlock (&roc_init_mutex);
- g_assert (thread_state == THREAD_RUNNING);
+ g_assert_cmpint (g_atomic_int_get (&thread_state), ==, THREAD_RUNNING);
- while (thread_state == THREAD_RUNNING)
+ while (g_atomic_int_get (&thread_state) == THREAD_RUNNING)
g_cond_wait (&roc_finish_cond, &roc_finish_mutex);
g_mutex_unlock (&roc_finish_mutex);
- g_assert (thread_state == THREAD_CANCELLED);
+ g_assert_cmpint (g_atomic_int_get (&thread_state), ==, THREAD_CANCELLED);
g_object_unref (cancellable);
}
@@ -1776,7 +1776,7 @@ return_on_cancel_atomic_thread (GTask *task,
gpointer task_data,
GCancellable *cancellable)
{
- gint *state = task_data;
+ gint *state = task_data; /* (atomic) */
g_assert (source_object == g_task_get_source_object (task));
g_assert (task_data == g_task_get_task_data (task));
@@ -1784,34 +1784,34 @@ return_on_cancel_atomic_thread (GTask *task,
g_assert_false (g_task_get_completed (task));
g_assert (g_thread_self () != main_thread);
- g_assert_cmpint (*state, ==, 0);
+ g_assert_cmpint (g_atomic_int_get (state), ==, 0);
g_mutex_lock (&roca_mutex_1);
- *state = 1;
+ g_atomic_int_set (state, 1);
g_cond_signal (&roca_cond_1);
g_mutex_unlock (&roca_mutex_1);
g_mutex_lock (&roca_mutex_2);
if (g_task_set_return_on_cancel (task, FALSE))
- *state = 2;
+ g_atomic_int_set (state, 2);
else
- *state = 3;
+ g_atomic_int_set (state, 3);
g_cond_signal (&roca_cond_2);
g_mutex_unlock (&roca_mutex_2);
g_mutex_lock (&roca_mutex_1);
if (g_task_set_return_on_cancel (task, TRUE))
- *state = 4;
+ g_atomic_int_set (state, 4);
else
- *state = 5;
+ g_atomic_int_set (state, 5);
g_cond_signal (&roca_cond_1);
g_mutex_unlock (&roca_mutex_1);
g_mutex_lock (&roca_mutex_2);
if (g_task_set_return_on_cancel (task, TRUE))
- *state = 6;
+ g_atomic_int_set (state, 6);
else
- *state = 7;
+ g_atomic_int_set (state, 7);
g_cond_signal (&roca_cond_2);
g_mutex_unlock (&roca_mutex_2);
@@ -1823,7 +1823,7 @@ test_return_on_cancel_atomic (void)
{
GTask *task;
GCancellable *cancellable;
- volatile gint state;
+ gint state; /* (atomic) */
gboolean notification_emitted = FALSE;
gboolean callback_ran;
@@ -1832,7 +1832,7 @@ test_return_on_cancel_atomic (void)
g_mutex_lock (&roca_mutex_2);
/* If we don't cancel it, each set_return_on_cancel() call will succeed */
- state = 0;
+ g_atomic_int_set (&state, 0);
callback_ran = FALSE;
task = g_task_new (NULL, cancellable, return_on_cancel_atomic_callback, &callback_ran);
g_task_set_return_on_cancel (task, TRUE);
@@ -1843,23 +1843,23 @@ test_return_on_cancel_atomic (void)
g_task_run_in_thread (task, return_on_cancel_atomic_thread);
g_object_unref (task);
- g_assert_cmpint (state, ==, 0);
+ g_assert_cmpint (g_atomic_int_get (&state), ==, 0);
- while (state == 0)
+ while (g_atomic_int_get (&state) == 0)
g_cond_wait (&roca_cond_1, &roca_mutex_1);
- g_assert (state == 1);
+ g_assert_cmpint (g_atomic_int_get (&state), ==, 1);
- while (state == 1)
+ while (g_atomic_int_get (&state) == 1)
g_cond_wait (&roca_cond_2, &roca_mutex_2);
- g_assert (state == 2);
+ g_assert_cmpint (g_atomic_int_get (&state), ==, 2);
- while (state == 2)
+ while (g_atomic_int_get (&state) == 2)
g_cond_wait (&roca_cond_1, &roca_mutex_1);
- g_assert (state == 4);
+ g_assert_cmpint (g_atomic_int_get (&state), ==, 4);
- while (state == 4)
+ while (g_atomic_int_get (&state) == 4)
g_cond_wait (&roca_cond_2, &roca_mutex_2);
- g_assert (state == 6);
+ g_assert_cmpint (g_atomic_int_get (&state), ==, 6);
/* callback assumes there'll be a cancelled error */
g_cancellable_cancel (cancellable);
@@ -1876,7 +1876,7 @@ test_return_on_cancel_atomic (void)
* task won't complete right away, and further
* g_task_set_return_on_cancel() calls will return FALSE.
*/
- state = 0;
+ g_atomic_int_set (&state, 0);
callback_ran = FALSE;
notification_emitted = FALSE;
task = g_task_new (NULL, cancellable, return_on_cancel_atomic_callback, &callback_ran);
@@ -1887,16 +1887,16 @@ test_return_on_cancel_atomic (void)
g_task_set_task_data (task, (gpointer)&state, NULL);
g_task_run_in_thread (task, return_on_cancel_atomic_thread);
- g_assert_cmpint (state, ==, 0);
+ g_assert_cmpint (g_atomic_int_get (&state), ==, 0);
- while (state == 0)
+ while (g_atomic_int_get (&state) == 0)
g_cond_wait (&roca_cond_1, &roca_mutex_1);
- g_assert (state == 1);
+ g_assert_cmpint (g_atomic_int_get (&state), ==, 1);
g_assert (g_task_get_return_on_cancel (task));
- while (state == 1)
+ while (g_atomic_int_get (&state) == 1)
g_cond_wait (&roca_cond_2, &roca_mutex_2);
- g_assert (state == 2);
+ g_assert_cmpint (g_atomic_int_get (&state), ==, 2);
g_assert (!g_task_get_return_on_cancel (task));
g_cancellable_cancel (cancellable);
@@ -1904,18 +1904,18 @@ test_return_on_cancel_atomic (void)
g_main_loop_run (loop);
g_assert (callback_ran == FALSE);
- while (state == 2)
+ while (g_atomic_int_get (&state) == 2)
g_cond_wait (&roca_cond_1, &roca_mutex_1);
- g_assert (state == 5);
+ g_assert_cmpint (g_atomic_int_get (&state), ==, 5);
g_assert (!g_task_get_return_on_cancel (task));
g_main_loop_run (loop);
g_assert (callback_ran == TRUE);
g_assert_true (notification_emitted);
- while (state == 5)
+ while (g_atomic_int_get (&state) == 5)
g_cond_wait (&roca_cond_2, &roca_mutex_2);
- g_assert (state == 7);
+ g_assert_cmpint (g_atomic_int_get (&state), ==, 7);
g_object_unref (cancellable);
g_mutex_unlock (&roca_mutex_1);
diff --git a/glib/gatomic.c b/glib/gatomic.c
index 8b8c6453d..0bc67aa35 100644
--- a/glib/gatomic.c
+++ b/glib/gatomic.c
@@ -105,6 +105,9 @@
* This call acts as a full compiler and hardware
* memory barrier (before the get).
*
+ * While @atomic has a `volatile` qualifier, this is a historical artifact and
+ * the pointer passed to it should not be `volatile`.
+ *
* Returns: the value of the integer
*
* Since: 2.4
@@ -125,6 +128,9 @@ gint
* This call acts as a full compiler and hardware
* memory barrier (after the set).
*
+ * While @atomic has a `volatile` qualifier, this is a historical artifact and
+ * the pointer passed to it should not be `volatile`.
+ *
* Since: 2.4
*/
void
@@ -144,6 +150,9 @@ void
*
* This call acts as a full compiler and hardware memory barrier.
*
+ * While @atomic has a `volatile` qualifier, this is a historical artifact and
+ * the pointer passed to it should not be `volatile`.
+ *
* Since: 2.4
**/
void
@@ -163,6 +172,9 @@ void
*
* This call acts as a full compiler and hardware memory barrier.
*
+ * While @atomic has a `volatile` qualifier, this is a historical artifact and
+ * the pointer passed to it should not be `volatile`.
+ *
* Returns: %TRUE if the resultant value is zero
*
* Since: 2.4
@@ -189,6 +201,9 @@ gboolean
*
* This call acts as a full compiler and hardware memory barrier.
*
+ * While @atomic has a `volatile` qualifier, this is a historical artifact and
+ * the pointer passed to it should not be `volatile`.
+ *
* Returns: %TRUE if the exchange took place
*
* Since: 2.4
@@ -216,6 +231,9 @@ gboolean
* Before version 2.30, this function did not return a value
* (but g_atomic_int_exchange_and_add() did, and had the same meaning).
*
+ * While @atomic has a `volatile` qualifier, this is a historical artifact and
+ * the pointer passed to it should not be `volatile`.
+ *
* Returns: the value of @atomic before the add, signed
*
* Since: 2.4
@@ -240,6 +258,9 @@ gint
* Think of this operation as an atomic version of
* `{ tmp = *atomic; *atomic &= val; return tmp; }`.
*
+ * While @atomic has a `volatile` qualifier, this is a historical artifact and
+ * the pointer passed to it should not be `volatile`.
+ *
* Returns: the value of @atomic before the operation, unsigned
*
* Since: 2.30
@@ -264,6 +285,9 @@ guint
*
* This call acts as a full compiler and hardware memory barrier.
*
+ * While @atomic has a `volatile` qualifier, this is a historical artifact and
+ * the pointer passed to it should not be `volatile`.
+ *
* Returns: the value of @atomic before the operation, unsigned
*
* Since: 2.30
@@ -288,6 +312,9 @@ guint
*
* This call acts as a full compiler and hardware memory barrier.
*
+ * While @atomic has a `volatile` qualifier, this is a historical artifact and
+ * the pointer passed to it should not be `volatile`.
+ *
* Returns: the value of @atomic before the operation, unsigned
*
* Since: 2.30
@@ -309,6 +336,9 @@ guint
* This call acts as a full compiler and hardware
* memory barrier (before the get).
*
+ * While @atomic has a `volatile` qualifier, this is a historical artifact and
+ * the pointer passed to it should not be `volatile`.
+ *
* Returns: the value of the pointer
*
* Since: 2.4
@@ -316,7 +346,7 @@ guint
gpointer
(g_atomic_pointer_get) (const volatile void *atomic)
{
- return g_atomic_pointer_get ((const volatile gpointer *) atomic);
+ return g_atomic_pointer_get ((gpointer *) atomic);
}
/**
@@ -329,13 +359,16 @@ gpointer
* This call acts as a full compiler and hardware
* memory barrier (after the set).
*
+ * While @atomic has a `volatile` qualifier, this is a historical artifact and
+ * the pointer passed to it should not be `volatile`.
+ *
* Since: 2.4
**/
void
(g_atomic_pointer_set) (volatile void *atomic,
gpointer newval)
{
- g_atomic_pointer_set ((volatile gpointer *) atomic, newval);
+ g_atomic_pointer_set ((gpointer *) atomic, newval);
}
/**
@@ -354,6 +387,9 @@ void
*
* This call acts as a full compiler and hardware memory barrier.
*
+ * While @atomic has a `volatile` qualifier, this is a historical artifact and
+ * the pointer passed to it should not be `volatile`.
+ *
* Returns: %TRUE if the exchange took place
*
* Since: 2.4
@@ -363,7 +399,7 @@ gboolean
gpointer oldval,
gpointer newval)
{
- return g_atomic_pointer_compare_and_exchange ((volatile gpointer *) atomic,
+ return g_atomic_pointer_compare_and_exchange ((gpointer *) atomic,
oldval, newval);
}
@@ -379,6 +415,9 @@ gboolean
*
* This call acts as a full compiler and hardware memory barrier.
*
+ * While @atomic has a `volatile` qualifier, this is a historical artifact and
+ * the pointer passed to it should not be `volatile`.
+ *
* Returns: the value of @atomic before the add, signed
*
* Since: 2.30
@@ -387,7 +426,7 @@ gssize
(g_atomic_pointer_add) (volatile void *atomic,
gssize val)
{
- return g_atomic_pointer_add ((volatile gpointer *) atomic, val);
+ return g_atomic_pointer_add ((gpointer *) atomic, val);
}
/**
@@ -403,6 +442,9 @@ gssize
*
* This call acts as a full compiler and hardware memory barrier.
*
+ * While @atomic has a `volatile` qualifier, this is a historical artifact and
+ * the pointer passed to it should not be `volatile`.
+ *
* Returns: the value of @atomic before the operation, unsigned
*
* Since: 2.30
@@ -411,7 +453,7 @@ gsize
(g_atomic_pointer_and) (volatile void *atomic,
gsize val)
{
- return g_atomic_pointer_and ((volatile gpointer *) atomic, val);
+ return g_atomic_pointer_and ((gpointer *) atomic, val);
}
/**
@@ -427,6 +469,9 @@ gsize
*
* This call acts as a full compiler and hardware memory barrier.
*
+ * While @atomic has a `volatile` qualifier, this is a historical artifact and
+ * the pointer passed to it should not be `volatile`.
+ *
* Returns: the value of @atomic before the operation, unsigned
*
* Since: 2.30
@@ -435,7 +480,7 @@ gsize
(g_atomic_pointer_or) (volatile void *atomic,
gsize val)
{
- return g_atomic_pointer_or ((volatile gpointer *) atomic, val);
+ return g_atomic_pointer_or ((gpointer *) atomic, val);
}
/**
@@ -451,6 +496,9 @@ gsize
*
* This call acts as a full compiler and hardware memory barrier.
*
+ * While @atomic has a `volatile` qualifier, this is a historical artifact and
+ * the pointer passed to it should not be `volatile`.
+ *
* Returns: the value of @atomic before the operation, unsigned
*
* Since: 2.30
@@ -459,7 +507,7 @@ gsize
(g_atomic_pointer_xor) (volatile void *atomic,
gsize val)
{
- return g_atomic_pointer_xor ((volatile gpointer *) atomic, val);
+ return g_atomic_pointer_xor ((gpointer *) atomic, val);
}
#elif defined (G_PLATFORM_WIN32)
@@ -591,7 +639,7 @@ guint
gpointer
(g_atomic_pointer_get) (const volatile void *atomic)
{
- const volatile gpointer *ptr = atomic;
+ const gpointer *ptr = atomic;
MemoryBarrier ();
return *ptr;
@@ -601,7 +649,7 @@ void
(g_atomic_pointer_set) (volatile void *atomic,
gpointer newval)
{
- volatile gpointer *ptr = atomic;
+ gpointer *ptr = atomic;
*ptr = newval;
MemoryBarrier ();
@@ -797,7 +845,7 @@ guint
gpointer
(g_atomic_pointer_get) (const volatile void *atomic)
{
- const volatile gpointer *ptr = atomic;
+ const gpointer *ptr = atomic;
gpointer value;
pthread_mutex_lock (&g_atomic_lock);
@@ -811,7 +859,7 @@ void
(g_atomic_pointer_set) (volatile void *atomic,
gpointer newval)
{
- volatile gpointer *ptr = atomic;
+ gpointer *ptr = atomic;
pthread_mutex_lock (&g_atomic_lock);
*ptr = newval;
@@ -823,7 +871,7 @@ gboolean
gpointer oldval,
gpointer newval)
{
- volatile gpointer *ptr = atomic;
+ gpointer *ptr = atomic;
gboolean success;
pthread_mutex_lock (&g_atomic_lock);
@@ -840,7 +888,7 @@ gssize
(g_atomic_pointer_add) (volatile void *atomic,
gssize val)
{
- volatile gssize *ptr = atomic;
+ gssize *ptr = atomic;
gssize oldval;
pthread_mutex_lock (&g_atomic_lock);
@@ -855,7 +903,7 @@ gsize
(g_atomic_pointer_and) (volatile void *atomic,
gsize val)
{
- volatile gsize *ptr = atomic;
+ gsize *ptr = atomic;
gsize oldval;
pthread_mutex_lock (&g_atomic_lock);
@@ -870,7 +918,7 @@ gsize
(g_atomic_pointer_or) (volatile void *atomic,
gsize val)
{
- volatile gsize *ptr = atomic;
+ gsize *ptr = atomic;
gsize oldval;
pthread_mutex_lock (&g_atomic_lock);
@@ -885,7 +933,7 @@ gsize
(g_atomic_pointer_xor) (volatile void *atomic,
gsize val)
{
- volatile gsize *ptr = atomic;
+ gsize *ptr = atomic;
gsize oldval;
pthread_mutex_lock (&g_atomic_lock);
@@ -915,5 +963,5 @@ gint
g_atomic_int_exchange_and_add (volatile gint *atomic,
gint val)
{
- return (g_atomic_int_add) (atomic, val);
+ return (g_atomic_int_add) ((gint *) atomic, val);
}
diff --git a/glib/gatomic.h b/glib/gatomic.h
index bb1435c70..e6eccfada 100644
--- a/glib/gatomic.h
+++ b/glib/gatomic.h
@@ -211,7 +211,7 @@ G_END_DECLS
}))
#define g_atomic_pointer_and(atomic, val) \
(G_GNUC_EXTENSION ({ \
- volatile gsize *gapa_atomic = (volatile gsize *) (atomic); \
+ gsize *gapa_atomic = (gsize *) (atomic); \
G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gpointer)); \
G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gsize)); \
(void) (0 ? (gpointer) *(atomic) : NULL); \
@@ -220,7 +220,7 @@ G_END_DECLS
}))
#define g_atomic_pointer_or(atomic, val) \
(G_GNUC_EXTENSION ({ \
- volatile gsize *gapo_atomic = (volatile gsize *) (atomic); \
+ gsize *gapo_atomic = (gsize *) (atomic); \
G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gpointer)); \
G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gsize)); \
(void) (0 ? (gpointer) *(atomic) : NULL); \
@@ -229,7 +229,7 @@ G_END_DECLS
}))
#define g_atomic_pointer_xor(atomic, val) \
(G_GNUC_EXTENSION ({ \
- volatile gsize *gapx_atomic = (volatile gsize *) (atomic); \
+ gsize *gapx_atomic = (gsize *) (atomic); \
G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gpointer)); \
G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gsize)); \
(void) (0 ? (gpointer) *(atomic) : NULL); \
diff --git a/glib/gdatetime.c b/glib/gdatetime.c
index 1755257be..453077f6d 100644
--- a/glib/gdatetime.c
+++ b/glib/gdatetime.c
@@ -126,7 +126,7 @@ struct _GDateTime
/* 1 is 0001-01-01 in Proleptic Gregorian */
gint32 days;
- volatile gint ref_count;
+ gint ref_count; /* (atomic) */
};
/* Time conversion {{{1 */
diff --git a/glib/gkeyfile.c b/glib/gkeyfile.c
index 9d0215331..bbe638b74 100644
--- a/glib/gkeyfile.c
+++ b/glib/gkeyfile.c
@@ -512,7 +512,7 @@ struct _GKeyFile
gchar **locales;
- volatile gint ref_count;
+ gint ref_count; /* (atomic) */
};
typedef struct _GKeyFileKeyValuePair GKeyFileKeyValuePair;
diff --git a/glib/gmain.c b/glib/gmain.c
index 772b8ecfc..9c5f0ef1e 100644
--- a/glib/gmain.c
+++ b/glib/gmain.c
@@ -272,7 +272,7 @@ struct _GMainContext
guint owner_count;
GSList *waiters;
- volatile gint ref_count;
+ gint ref_count; /* (atomic) */
GHashTable *sources; /* guint -> GSource */
@@ -303,7 +303,7 @@ struct _GMainContext
struct _GSourceCallback
{
- volatile gint ref_count;
+ gint ref_count; /* (atomic) */
GSourceFunc func;
gpointer data;
GDestroyNotify notify;
@@ -313,7 +313,7 @@ struct _GMainLoop
{
GMainContext *context;
gboolean is_running; /* (atomic) */
- volatile gint ref_count;
+ gint ref_count; /* (atomic) */
};
struct _GTimeoutSource
@@ -4749,7 +4749,7 @@ g_main_context_get_poll_func (GMainContext *context)
*
* |[<!-- language="C" -->
* #define NUM_TASKS 10
- * static volatile gint tasks_remaining = NUM_TASKS;
+ * static gint tasks_remaining = NUM_TASKS; // (atomic)
* ...
*
* while (g_atomic_int_get (&tasks_remaining) != 0)
diff --git a/glib/gmarkup.c b/glib/gmarkup.c
index ba4dfd2e4..b8327fb6d 100644
--- a/glib/gmarkup.c
+++ b/glib/gmarkup.c
@@ -119,7 +119,7 @@ struct _GMarkupParseContext
{
const GMarkupParser *parser;
- volatile gint ref_count;
+ gint ref_count; /* (atomic) */
GMarkupParseFlags flags;
diff --git a/glib/gmessages.h b/glib/gmessages.h
index 6a28443b4..2e3650baf 100644
--- a/glib/gmessages.h
+++ b/glib/gmessages.h
@@ -478,7 +478,7 @@ g_debug (const gchar *format,
#if defined(G_HAVE_ISO_VARARGS) && !G_ANALYZER_ANALYZING
#define g_warning_once(...) \
G_STMT_START { \
- static volatile int G_PASTE (_GWarningOnceBoolean, __LINE__) = 0; \
+ static int G_PASTE (_GWarningOnceBoolean, __LINE__) = 0; /* (atomic) */ \
if (g_atomic_int_compare_and_exchange (&G_PASTE (_GWarningOnceBoolean, __LINE__), \
0, 1)) \
g_warning (__VA_ARGS__); \
@@ -487,7 +487,7 @@ g_debug (const gchar *format,
#elif defined(G_HAVE_GNUC_VARARGS) && !G_ANALYZER_ANALYZING
#define g_warning_once(format...) \
G_STMT_START { \
- static volatile int G_PASTE (_GWarningOnceBoolean, __LINE__) = 0; \
+ static int G_PASTE (_GWarningOnceBoolean, __LINE__) = 0; /* (atomic) */ \
if (g_atomic_int_compare_and_exchange (&G_PASTE (_GWarningOnceBoolean, __LINE__), \
0, 1)) \
g_warning (format); \
diff --git a/glib/gregex.c b/glib/gregex.c
index 52416bbb9..5e6ddfb46 100644
--- a/glib/gregex.c
+++ b/glib/gregex.c
@@ -203,7 +203,7 @@ G_STATIC_ASSERT (G_REGEX_RAW == PCRE_UTF8);
struct _GMatchInfo
{
- volatile gint ref_count; /* the ref count */
+ gint ref_count; /* the ref count (atomic) */
GRegex *regex; /* the regex */
GRegexMatchFlags match_opts; /* options used at match time on the regex */
gint matches; /* number of matching sub patterns */
@@ -218,7 +218,7 @@ struct _GMatchInfo
struct _GRegex
{
- volatile gint ref_count; /* the ref count for the immutable part */
+ gint ref_count; /* the ref count for the immutable part (atomic) */
gchar *pattern; /* the pattern */
pcre *pcre_re; /* compiled form of the pattern */
GRegexCompileFlags compile_opts; /* options used at compile time on the pattern */
@@ -1300,7 +1300,7 @@ g_regex_new (const gchar *pattern,
pcre *re;
const gchar *errmsg;
gboolean optimize = FALSE;
- static volatile gsize initialised = 0;
+ static gsize initialised = 0;
g_return_val_if_fail (pattern != NULL, NULL);
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
diff --git a/glib/gthread-win32.c b/glib/gthread-win32.c
index 0c37dc6c1..20aca6fa1 100644
--- a/glib/gthread-win32.c
+++ b/glib/gthread-win32.c
@@ -301,7 +301,7 @@ struct _GPrivateDestructor
GPrivateDestructor *next;
};
-static GPrivateDestructor * volatile g_private_destructors;
+static GPrivateDestructor *g_private_destructors; /* (atomic) prepend-only */
static CRITICAL_SECTION g_private_lock;
static DWORD
@@ -329,7 +329,7 @@ g_private_get_impl (GPrivate *key)
g_thread_abort (errno, "malloc");
destructor->index = impl;
destructor->notify = key->notify;
- destructor->next = g_private_destructors;
+ destructor->next = g_atomic_pointer_get (&g_private_destructors);
/* We need to do an atomic store due to the unlocked
* access to the destructor list from the thread exit
@@ -337,13 +337,14 @@ g_private_get_impl (GPrivate *key)
*
* It can double as a sanity check...
*/
- if (InterlockedCompareExchangePointer (&g_private_destructors, destructor,
- destructor->next) != destructor->next)
+ if (!g_atomic_pointer_compare_and_exchange (&g_private_destructors,
+ destructor->next,
+ destructor))
g_thread_abort (0, "g_private_get_impl(1)");
}
/* Ditto, due to the unlocked access on the fast path */
- if (InterlockedCompareExchangePointer (&key->p, impl, NULL) != NULL)
+ if (!g_atomic_pointer_compare_and_exchange (&key->p, NULL, impl))
g_thread_abort (0, "g_private_get_impl(2)");
}
LeaveCriticalSection (&g_private_lock);
@@ -635,7 +636,7 @@ g_thread_win32_thread_detach (void)
*/
dtors_called = FALSE;
- for (dtor = g_private_destructors; dtor; dtor = dtor->next)
+ for (dtor = g_atomic_pointer_get (&g_private_destructors); dtor; dtor = dtor->next)
{
gpointer value;
diff --git a/glib/gthread.c b/glib/gthread.c
index 53f3a0848..29216d7fd 100644
--- a/glib/gthread.c
+++ b/glib/gthread.c
@@ -513,7 +513,7 @@ static GMutex g_once_mutex;
static GCond g_once_cond;
static GSList *g_once_init_list = NULL;
-static volatile guint g_thread_n_created_counter = 0;
+static guint g_thread_n_created_counter = 0; /* (atomic) */
static void g_thread_cleanup (gpointer data);
static GPrivate g_thread_specific_private = G_PRIVATE_INIT (g_thread_cleanup);
@@ -686,6 +686,9 @@ g_once_impl (GOnce *once,
* // use initialization_value here
* ]|
*
+ * While @location has a `volatile` qualifier, this is a historical artifact and
+ * the pointer passed to it should not be `volatile`.
+ *
* Returns: %TRUE if the initialization section should be entered,
* %FALSE and blocks otherwise
*
@@ -694,7 +697,7 @@ g_once_impl (GOnce *once,
gboolean
(g_once_init_enter) (volatile void *location)
{
- volatile gsize *value_location = location;
+ gsize *value_location = (gsize *) location;
gboolean need_init = FALSE;
g_mutex_lock (&g_once_mutex);
if (g_atomic_pointer_get (value_location) == 0)
@@ -725,13 +728,16 @@ gboolean
* releases concurrent threads blocking in g_once_init_enter() on this
* initialization variable.
*
+ * While @location has a `volatile` qualifier, this is a historical artifact and
+ * the pointer passed to it should not be `volatile`.
+ *
* Since: 2.14
*/
void
(g_once_init_leave) (volatile void *location,
gsize result)
{
- volatile gsize *value_location = location;
+ gsize *value_location = (gsize *) location;
g_return_if_fail (g_atomic_pointer_get (value_location) == 0);
g_return_if_fail (result != 0);
diff --git a/glib/gtypes.h b/glib/gtypes.h
index 23c5a1295..2c4825582 100644
--- a/glib/gtypes.h
+++ b/glib/gtypes.h
@@ -550,8 +550,8 @@ struct _GTimeVal
glong tv_usec;
} GLIB_DEPRECATED_TYPE_IN_2_62_FOR(GDateTime);
-typedef gint grefcount;
-typedef volatile gint gatomicrefcount;
+typedef gint grefcount;
+typedef gint gatomicrefcount; /* should be accessed only using atomics */
G_END_DECLS
diff --git a/glib/tests/642026.c b/glib/tests/642026.c
index ef54f14bb..26ab2ed06 100644
--- a/glib/tests/642026.c
+++ b/glib/tests/642026.c
@@ -25,7 +25,7 @@ static GMutex *mutex;
static GCond *cond;
static guint i;
-static volatile gint freed = 0;
+static gint freed = 0; /* (atomic) */
static void
notify (gpointer p)
@@ -63,7 +63,7 @@ testcase (void)
GThread *t1;
g_static_private_init (&sp);
- freed = 0;
+ g_atomic_int_set (&freed, 0);
t1 = g_thread_create (thread_func, NULL, TRUE, NULL);
g_assert (t1 != NULL);
diff --git a/glib/tests/atomic.c b/glib/tests/atomic.c
index 6b6cc7f3e..14e6e454e 100644
--- a/glib/tests/atomic.c
+++ b/glib/tests/atomic.c
@@ -94,6 +94,9 @@ test_types (void)
res = g_atomic_pointer_compare_and_exchange (&vp_str, NULL, str);
g_assert_true (res);
+ /* Note that atomic variables should almost certainly not be marked as
+ * `volatile` — see http://isvolatileusefulwiththreads.in/c/. This test exists
+ * to make sure that we don’t warn when built against older third party code. */
g_atomic_pointer_set (&vp_str_vol, NULL);
res = g_atomic_pointer_compare_and_exchange (&vp_str_vol, NULL, str);
g_assert_true (res);
@@ -210,6 +213,9 @@ G_GNUC_END_IGNORE_DEPRECATIONS
res = g_atomic_pointer_compare_and_exchange (&vp_str, NULL, (char *) str);
g_assert_true (res);
+ /* Note that atomic variables should almost certainly not be marked as
+ * `volatile` — see http://isvolatileusefulwiththreads.in/c/. This test exists
+ * to make sure that we don’t warn when built against older third party code. */
g_atomic_pointer_set (&vp_str_vol, NULL);
res = g_atomic_pointer_compare_and_exchange (&vp_str_vol, NULL, (char *) str);
g_assert_true (res);
@@ -248,8 +254,8 @@ G_GNUC_END_IGNORE_DEPRECATIONS
#define THREADS 10
#define ROUNDS 10000
-volatile gint bucket[THREADS];
-volatile gint atomic;
+gint bucket[THREADS]; /* never contested by threads, not accessed atomically */
+gint atomic; /* (atomic) */
static gpointer
thread_func (gpointer data)
diff --git a/glib/tests/cond.c b/glib/tests/cond.c
index 0f0b3d249..ed338cce3 100644
--- a/glib/tests/cond.c
+++ b/glib/tests/cond.c
@@ -29,7 +29,7 @@
static GCond cond;
static GMutex mutex;
-static volatile gint next;
+static gint next; /* locked by @mutex */
static void
push_value (gint value)
diff --git a/glib/tests/gwakeuptest.c b/glib/tests/gwakeuptest.c
index 461a7d3de..b37fb43fc 100644
--- a/glib/tests/gwakeuptest.c
+++ b/glib/tests/gwakeuptest.c
@@ -92,7 +92,7 @@ struct context
static struct context contexts[NUM_THREADS];
static GThread *threads[NUM_THREADS];
static GWakeup *last_token_wakeup;
-static volatile gint tokens_alive;
+static gint tokens_alive; /* (atomic) */
static void
context_init (struct context *ctx)
diff --git a/glib/tests/hash.c b/glib/tests/hash.c
index 4623d18d1..f4ff55ce1 100644
--- a/glib/tests/hash.c
+++ b/glib/tests/hash.c
@@ -1362,7 +1362,7 @@ struct _GHashTable
GHashFunc hash_func;
GEqualFunc key_equal_func;
- volatile gint ref_count;
+ gint ref_count; /* (atomic) */
#ifndef G_DISABLE_ASSERT
int version;
diff --git a/glib/tests/mainloop.c b/glib/tests/mainloop.c
index 16763a0ea..563a951de 100644
--- a/glib/tests/mainloop.c
+++ b/glib/tests/mainloop.c
@@ -918,7 +918,7 @@ test_mainloop_overflow (void)
g_main_context_unref (ctx);
}
-static volatile gint ready_time_dispatched;
+static gint ready_time_dispatched; /* (atomic) */
static gboolean
ready_time_dispatch (GSource *source,
@@ -964,7 +964,7 @@ test_ready_time (void)
/* A source with no ready time set should not fire */
g_assert_cmpint (g_source_get_ready_time (source), ==, -1);
while (g_main_context_iteration (NULL, FALSE));
- g_assert_false (ready_time_dispatched);
+ g_assert_false (g_atomic_int_get (&ready_time_dispatched));
/* The ready time should not have been changed */
g_assert_cmpint (g_source_get_ready_time (source), ==, -1);
@@ -978,37 +978,37 @@ test_ready_time (void)
*/
g_source_set_ready_time (source, g_get_monotonic_time () + G_TIME_SPAN_DAY);
while (g_main_context_iteration (NULL, FALSE));
- g_assert_false (ready_time_dispatched);
+ g_assert_false (g_atomic_int_get (&ready_time_dispatched));
/* Make sure it didn't get reset */
g_assert_cmpint (g_source_get_ready_time (source), !=, -1);
/* Ready time of -1 -> don't fire */
g_source_set_ready_time (source, -1);
while (g_main_context_iteration (NULL, FALSE));
- g_assert_false (ready_time_dispatched);
+ g_assert_false (g_atomic_int_get (&ready_time_dispatched));
/* Not reset, but should still be -1 from above */
g_assert_cmpint (g_source_get_ready_time (source), ==, -1);
/* A ready time of the current time should fire immediately */
g_source_set_ready_time (source, g_get_monotonic_time ());
while (g_main_context_iteration (NULL, FALSE));
- g_assert_true (ready_time_dispatched);
- ready_time_dispatched = FALSE;
+ g_assert_true (g_atomic_int_get (&ready_time_dispatched));
+ g_atomic_int_set (&ready_time_dispatched, FALSE);
/* Should have gotten reset by the handler function */
g_assert_cmpint (g_source_get_ready_time (source), ==, -1);
/* As well as one in the recent past... */
g_source_set_ready_time (source, g_get_monotonic_time () - G_TIME_SPAN_SECOND);
while (g_main_context_iteration (NULL, FALSE));
- g_assert_true (ready_time_dispatched);
- ready_time_dispatched = FALSE;
+ g_assert_true (g_atomic_int_get (&ready_time_dispatched));
+ g_atomic_int_set (&ready_time_dispatched, FALSE);
g_assert_cmpint (g_source_get_ready_time (source), ==, -1);
/* Zero is the 'official' way to get a source to fire immediately */
g_source_set_ready_time (source, 0);
while (g_main_context_iteration (NULL, FALSE));
- g_assert_true (ready_time_dispatched);
- ready_time_dispatched = FALSE;
+ g_assert_true (g_atomic_int_get (&ready_time_dispatched));
+ g_atomic_int_set (&ready_time_dispatched, FALSE);
g_assert_cmpint (g_source_get_ready_time (source), ==, -1);
/* Now do some tests of cross-thread wakeups.
diff --git a/glib/tests/slice.c b/glib/tests/slice.c
index f37826f3a..a566280db 100644
--- a/glib/tests/slice.c
+++ b/glib/tests/slice.c
@@ -107,7 +107,7 @@ thread_allocate (gpointer data)
gint b;
gint size;
gpointer p;
- volatile gpointer *loc;
+ gpointer *loc; /* (atomic) */
for (i = 0; i < 10000; i++)
{
diff --git a/gobject/gatomicarray.h b/gobject/gatomicarray.h
index 9550fa396..89043c5e4 100644
--- a/gobject/gatomicarray.h
+++ b/gobject/gatomicarray.h
@@ -29,7 +29,7 @@ G_BEGIN_DECLS
typedef struct _GAtomicArray GAtomicArray;
struct _GAtomicArray {
- volatile gpointer data; /* elements - atomic */
+ gpointer data; /* elements - atomic */
};
void _g_atomic_array_init (GAtomicArray *array);
@@ -42,7 +42,7 @@ void _g_atomic_array_update (GAtomicArray *array,
#define G_ATOMIC_ARRAY_GET_LOCKED(_array, _type) ((_type *)((_array)->data))
#define G_ATOMIC_ARRAY_DO_TRANSACTION(_array, _type, _C_) G_STMT_START { \
- volatile gpointer *_datap = &(_array)->data; \
+ gpointer *_datap = &(_array)->data; \
_type *transaction_data, *__check; \
\
__check = g_atomic_pointer_get (_datap); \
diff --git a/gobject/gbinding.c b/gobject/gbinding.c
index 78a883075..662d76b3c 100644
--- a/gobject/gbinding.c
+++ b/gobject/gbinding.c
@@ -120,9 +120,9 @@
GType
g_binding_flags_get_type (void)
{
- static volatile gsize g_define_type_id__volatile = 0;
+ static gsize static_g_define_type_id = 0;
- if (g_once_init_enter (&g_define_type_id__volatile))
+ if (g_once_init_enter (&static_g_define_type_id))
{
static const GFlagsValue values[] = {
{ G_BINDING_DEFAULT, "G_BINDING_DEFAULT", "default" },
@@ -133,10 +133,10 @@ g_binding_flags_get_type (void)
};
GType g_define_type_id =
g_flags_register_static (g_intern_static_string ("GBindingFlags"), values);
- g_once_init_leave (&g_define_type_id__volatile, g_define_type_id);
+ g_once_init_leave (&static_g_define_type_id, g_define_type_id);
}
- return g_define_type_id__volatile;
+ return static_g_define_type_id;
}
#define G_BINDING_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), G_TYPE_BINDING, GBindingClass))
diff --git a/gobject/gboxed.c b/gobject/gboxed.c
index 30ba4e775..194251383 100644
--- a/gobject/gboxed.c
+++ b/gobject/gboxed.c
@@ -180,19 +180,19 @@ G_DEFINE_BOXED_TYPE (GOptionGroup, g_option_group, g_option_group_ref, g_option_
GType
g_strv_get_type (void)
{
- static volatile gsize g_define_type_id__volatile = 0;
+ static gsize static_g_define_type_id = 0;
- if (g_once_init_enter (&g_define_type_id__volatile))
+ if (g_once_init_enter (&static_g_define_type_id))
{
GType g_define_type_id =
g_boxed_type_register_static (g_intern_static_string ("GStrv"),
(GBoxedCopyFunc) g_strdupv,
(GBoxedFreeFunc) g_strfreev);
- g_once_init_leave (&g_define_type_id__volatile, g_define_type_id);
+ g_once_init_leave (&static_g_define_type_id, g_define_type_id);
}
- return g_define_type_id__volatile;
+ return static_g_define_type_id;
}
GType
diff --git a/gobject/gclosure.c b/gobject/gclosure.c
index 1d1f2f48a..6d41e6d8a 100644
--- a/gobject/gclosure.c
+++ b/gobject/gclosure.c
@@ -98,7 +98,7 @@
typedef union {
GClosure closure;
- volatile gint vint;
+ gint vint;
} ClosureInt;
#define CHANGE_FIELD(_closure, _field, _OP, _value, _must_set, _SET_OLD, _SET_NEW) \
diff --git a/gobject/gclosure.h b/gobject/gclosure.h
index a0f91f538..884e403a8 100644
--- a/gobject/gclosure.h
+++ b/gobject/gclosure.h
@@ -175,20 +175,20 @@ struct _GClosureNotifyData
struct _GClosure
{
/*< private >*/
- volatile guint ref_count : 15;
+ guint ref_count : 15; /* (atomic) */
/* meta_marshal is not used anymore but must be zero for historical reasons
as it was exposed in the G_CLOSURE_N_NOTIFIERS macro */
- volatile guint meta_marshal_nouse : 1;
- volatile guint n_guards : 1;
- volatile guint n_fnotifiers : 2; /* finalization notifiers */
- volatile guint n_inotifiers : 8; /* invalidation notifiers */
- volatile guint in_inotify : 1;
- volatile guint floating : 1;
+ guint meta_marshal_nouse : 1; /* (atomic) */
+ guint n_guards : 1; /* (atomic) */
+ guint n_fnotifiers : 2; /* finalization notifiers (atomic) */
+ guint n_inotifiers : 8; /* invalidation notifiers (atomic) */
+ guint in_inotify : 1; /* (atomic) */
+ guint floating : 1; /* (atomic) */
/*< protected >*/
- volatile guint derivative_flag : 1;
+ guint derivative_flag : 1; /* (atomic) */
/*< public >*/
- volatile guint in_marshal : 1;
- volatile guint is_invalid : 1;
+ guint in_marshal : 1; /* (atomic) */
+ guint is_invalid : 1; /* (atomic) */
/*< private >*/ void (*marshal) (GClosure *closure,
GValue /*out*/ *return_value,
diff --git a/gobject/glib-enumtypes.c.template b/gobject/glib-enumtypes.c.template
index b7d36728f..1800ca8af 100644
--- a/gobject/glib-enumtypes.c.template
+++ b/gobject/glib-enumtypes.c.template
@@ -13,9 +13,9 @@
GType
@enum_name@_get_type (void)
{
- static volatile gsize g_define_type_id__volatile = 0;
+ static gsize static_g_define_type_id = 0;
- if (g_once_init_enter (&g_define_type_id__volatile))
+ if (g_once_init_enter (&static_g_define_type_id))
{
static const G@Type@Value values[] = {
/*** END value-header ***/
@@ -29,10 +29,10 @@ GType
};
GType g_define_type_id =
g_@type@_register_static (g_intern_static_string ("@EnumName@"), values);
- g_once_init_leave (&g_define_type_id__volatile, g_define_type_id);
+ g_once_init_leave (&static_g_define_type_id, g_define_type_id);
}
- return g_define_type_id__volatile;
+ return static_g_define_type_id;
}
/*** END value-tail ***/
diff --git a/gobject/gobject.c b/gobject/gobject.c
index 6e9c44a1e..a3a32be9f 100644
--- a/gobject/gobject.c
+++ b/gobject/gobject.c
@@ -174,9 +174,9 @@ typedef struct
GTypeInstance g_type_instance;
/*< private >*/
- volatile guint ref_count;
+ guint ref_count; /* (atomic) */
#ifdef HAVE_OPTIONAL_FLAGS
- volatile guint optional_flags;
+ guint optional_flags; /* (atomic) */
#endif
GData *qdata;
} GObjectReal;
diff --git a/gobject/gobject.h b/gobject/gobject.h
index 7f55e1976..a84c183f8 100644
--- a/gobject/gobject.h
+++ b/gobject/gobject.h
@@ -247,7 +247,7 @@ struct _GObject
GTypeInstance g_type_instance;
/*< private >*/
- volatile guint ref_count;
+ guint ref_count; /* (atomic) */
GData *qdata;
};
/**
diff --git a/gobject/gsourceclosure.c b/gobject/gsourceclosure.c
index 0d0d2e87c..d1b1ee4b3 100644
--- a/gobject/gsourceclosure.c
+++ b/gobject/gsourceclosure.c
@@ -32,7 +32,7 @@ G_DEFINE_BOXED_TYPE (GIOChannel, g_io_channel, g_io_channel_ref, g_io_channel_un
GType
g_io_condition_get_type (void)
{
- static volatile GType etype = 0;
+ static GType etype = 0;
if (g_once_init_enter (&etype))
{
diff --git a/gobject/gtype.c b/gobject/gtype.c
index 51dad7690..909faf138 100644
--- a/gobject/gtype.c
+++ b/gobject/gtype.c
@@ -221,9 +221,9 @@ typedef enum
/* --- structures --- */
struct _TypeNode
{
- guint volatile ref_count;
+ guint ref_count; /* (atomic) */
#ifdef G_ENABLE_DEBUG
- guint volatile instance_count;
+ guint instance_count; /* (atomic) */
#endif
GTypePlugin *plugin;
guint n_children; /* writable with lock */
@@ -233,7 +233,7 @@ struct _TypeNode
guint is_instantiatable : 1;
guint mutatable_check_cache : 1; /* combines some common path checks */
GType *children; /* writable with lock */
- TypeData * volatile data;
+ TypeData *data;
GQuark qname;
GData *global_gdata;
union {
@@ -322,7 +322,7 @@ struct _ClassData
CommonData common;
guint16 class_size;
guint16 class_private_size;
- int volatile init_state; /* atomic - g_type_class_ref reads it unlocked */
+ int init_state; /* (atomic) - g_type_class_ref reads it unlocked */
GBaseInitFunc class_init_base;
GBaseFinalizeFunc class_finalize_base;
GClassInitFunc class_init;
@@ -336,7 +336,7 @@ struct _InstanceData
CommonData common;
guint16 class_size;
guint16 class_private_size;
- int volatile init_state; /* atomic - g_type_class_ref reads it unlocked */
+ int init_state; /* (atomic) - g_type_class_ref reads it unlocked */
GBaseInitFunc class_init_base;
GBaseFinalizeFunc class_finalize_base;
GClassInitFunc class_init;
@@ -569,8 +569,8 @@ type_node_new_W (TypeNode *pnode,
}
static inline IFaceEntry*
-lookup_iface_entry_I (volatile IFaceEntries *entries,
- TypeNode *iface_node)
+lookup_iface_entry_I (IFaceEntries *entries,
+ TypeNode *iface_node)
{
guint8 *offsets;
guint offset_index;
@@ -1415,7 +1415,7 @@ type_node_add_iface_entry_W (TypeNode *node,
if (parent_entry)
{
- if (node->data && node->data->class.init_state >= BASE_IFACE_INIT)
+ if (node->data && g_atomic_int_get (&node->data->class.init_state) >= BASE_IFACE_INIT)
{
entries->entry[i].init_state = INITIALIZED;
entries->entry[i].vtable = parent_entry->vtable;
@@ -1481,7 +1481,7 @@ type_add_interface_Wm (TypeNode *node,
*/
if (node->data)
{
- InitState class_state = node->data->class.init_state;
+ InitState class_state = g_atomic_int_get (&node->data->class.init_state);
if (class_state >= BASE_IFACE_INIT)
type_iface_vtable_base_init_Wm (iface, node);
@@ -2175,7 +2175,7 @@ type_class_init_Wm (TypeNode *node,
g_assert (node->is_classed && node->data &&
node->data->class.class_size &&
!node->data->class.class &&
- node->data->class.init_state == UNINITIALIZED);
+ g_atomic_int_get (&node->data->class.init_state) == UNINITIALIZED);
if (node->data->class.class_private_size)
class = g_malloc0 (ALIGN_STRUCT (node->data->class.class_size) + node->data->class.class_private_size);
else
@@ -2290,7 +2290,7 @@ type_class_init_Wm (TypeNode *node,
* inherited interfaces are already init_state == INITIALIZED, because
* they either got setup in the above base_init loop, or during
* class_init from within type_add_interface_Wm() for this or
- * an anchestor type.
+ * an ancestor type.
*/
i = 0;
while ((entries = CLASSED_NODE_IFACES_ENTRIES_LOCKED (node)) != NULL)
@@ -3462,7 +3462,7 @@ g_type_depth (GType type)
* be used to determine the types and order in which the leaf type is
* descended from the root type.
*
- * Returns: immediate child of @root_type and anchestor of @leaf_type
+ * Returns: immediate child of @root_type and ancestor of @leaf_type
*/
GType
g_type_next_base (GType type,
@@ -3549,8 +3549,8 @@ type_node_conforms_to_U (TypeNode *node,
/**
* g_type_is_a:
- * @type: type to check anchestry for
- * @is_a_type: possible anchestor of @type or interface that @type
+ * @type: type to check ancestry for
+ * @is_a_type: possible ancestor of @type or interface that @type
* could conform to
*
* If @is_a_type is a derivable type, check whether @type is a
diff --git a/gobject/gtype.h b/gobject/gtype.h
index 9de46ac60..666fadb0c 100644
--- a/gobject/gtype.h
+++ b/gobject/gtype.h
@@ -1727,8 +1727,8 @@ guint g_type_get_type_registration_serial (void);
* GType
* gtk_gadget_get_type (void)
* {
- * static volatile gsize g_define_type_id__volatile = 0;
- * if (g_once_init_enter (&g_define_type_id__volatile))
+ * static gsize static_g_define_type_id = 0;
+ * if (g_once_init_enter (&static_g_define_type_id))
* {
* GType g_define_type_id =
* g_type_register_static_simple (GTK_TYPE_WIDGET,
@@ -1748,9 +1748,9 @@ guint g_type_get_type_registration_serial (void);
* };
* g_type_add_interface_static (g_define_type_id, TYPE_GIZMO, &g_implement_interface_info);
* }
- * g_once_init_leave (&g_define_type_id__volatile, g_define_type_id);
+ * g_once_init_leave (&static_g_define_type_id, g_define_type_id);
* }
- * return g_define_type_id__volatile;
+ * return static_g_define_type_id;
* }
* ]|
* The only pieces which have to be manually provided are the definitions of
@@ -1995,17 +1995,17 @@ type_name##_get_instance_private (TypeName *self) \
GType \
type_name##_get_type (void) \
{ \
- static volatile gsize g_define_type_id__volatile = 0;
+ static gsize static_g_define_type_id = 0;
/* Prelude goes here */
/* Added for _G_DEFINE_TYPE_EXTENDED_WITH_PRELUDE */
#define _G_DEFINE_TYPE_EXTENDED_BEGIN_REGISTER(TypeName, type_name, TYPE_PARENT, flags) \
- if (g_once_init_enter (&g_define_type_id__volatile)) \
+ if (g_once_init_enter (&static_g_define_type_id)) \
{ \
GType g_define_type_id = type_name##_get_type_once (); \
- g_once_init_leave (&g_define_type_id__volatile, g_define_type_id); \
+ g_once_init_leave (&static_g_define_type_id, g_define_type_id); \
} \
- return g_define_type_id__volatile; \
+ return static_g_define_type_id; \
} /* closes type_name##_get_type() */ \
\
G_GNUC_NO_INLINE \
@@ -2041,8 +2041,8 @@ static void type_name##_default_init (TypeName##Interface *klass); \
GType \
type_name##_get_type (void) \
{ \
- static volatile gsize g_define_type_id__volatile = 0; \
- if (g_once_init_enter (&g_define_type_id__volatile)) \
+ static gsize static_g_define_type_id = 0; \
+ if (g_once_init_enter (&static_g_define_type_id)) \
{ \
GType g_define_type_id = \
g_type_register_static_simple (G_TYPE_INTERFACE, \
@@ -2058,9 +2058,9 @@ type_name##_get_type (void) \
#define _G_DEFINE_INTERFACE_EXTENDED_END() \
/* following custom code */ \
} \
- g_once_init_leave (&g_define_type_id__volatile, g_define_type_id); \
+ g_once_init_leave (&static_g_define_type_id, g_define_type_id); \
} \
- return g_define_type_id__volatile; \
+ return static_g_define_type_id; \
} /* closes type_name##_get_type() */
/**
@@ -2115,13 +2115,13 @@ static GType type_name##_get_type_once (void); \
GType \
type_name##_get_type (void) \
{ \
- static volatile gsize g_define_type_id__volatile = 0; \
- if (g_once_init_enter (&g_define_type_id__volatile)) \
+ static gsize static_g_define_type_id = 0; \
+ if (g_once_init_enter (&static_g_define_type_id)) \
{ \
GType g_define_type_id = type_name##_get_type_once (); \
- g_once_init_leave (&g_define_type_id__volatile, g_define_type_id); \
+ g_once_init_leave (&static_g_define_type_id, g_define_type_id); \
} \
- return g_define_type_id__volatile; \
+ return static_g_define_type_id; \
} \
\
G_GNUC_NO_INLINE \
@@ -2152,13 +2152,13 @@ static GType type_name##_get_type_once (void); \
GType \
type_name##_get_type (void) \
{ \
- static volatile gsize g_define_type_id__volatile = 0; \
- if (g_once_init_enter (&g_define_type_id__volatile)) \
+ static gsize static_g_define_type_id = 0; \
+ if (g_once_init_enter (&static_g_define_type_id)) \
{ \
GType g_define_type_id = type_name##_get_type_once (); \
- g_once_init_leave (&g_define_type_id__volatile, g_define_type_id); \
+ g_once_init_leave (&static_g_define_type_id, g_define_type_id); \
} \
- return g_define_type_id__volatile; \
+ return static_g_define_type_id; \
} \
\
G_GNUC_NO_INLINE \
@@ -2205,13 +2205,13 @@ static GType type_name##_get_type_once (void); \
GType \
type_name##_get_type (void) \
{ \
- static volatile gsize g_define_type_id__volatile = 0; \
- if (g_once_init_enter (&g_define_type_id__volatile)) \
+ static gsize static_g_define_type_id = 0; \
+ if (g_once_init_enter (&static_g_define_type_id)) \
{ \
GType g_define_type_id = type_name##_get_type_once (); \
- g_once_init_leave (&g_define_type_id__volatile, g_define_type_id); \
+ g_once_init_leave (&static_g_define_type_id, g_define_type_id); \
} \
- return g_define_type_id__volatile; \
+ return static_g_define_type_id; \
} \
\
G_GNUC_NO_INLINE \
diff --git a/gobject/tests/qdata.c b/gobject/tests/qdata.c
index 528bdc68e..7d46efb15 100644
--- a/gobject/tests/qdata.c
+++ b/gobject/tests/qdata.c
@@ -17,7 +17,7 @@ gboolean fail;
#define ROUNDS 10000
GObject *object;
-volatile gint bucket[THREADS];
+gint bucket[THREADS]; /* accessed from multiple threads, but should never be contested due to the sequence of thread operations */
static gpointer
thread_func (gpointer data)
diff --git a/gobject/tests/signals.c b/gobject/tests/signals.c
index 120f90b5c..ac0ce5102 100644
--- a/gobject/tests/signals.c
+++ b/gobject/tests/signals.c
@@ -66,9 +66,9 @@ custom_marshal_VOID__INVOCATIONHINT (GClosure *closure,
static GType
test_enum_get_type (void)
{
- static volatile gsize g_define_type_id__volatile = 0;
+ static gsize static_g_define_type_id = 0;
- if (g_once_init_enter (&g_define_type_id__volatile))
+ if (g_once_init_enter (&static_g_define_type_id))
{
static const GEnumValue values[] = {
{ TEST_ENUM_NEGATIVE, "TEST_ENUM_NEGATIVE", "negative" },
@@ -79,18 +79,18 @@ test_enum_get_type (void)
};
GType g_define_type_id =
g_enum_register_static (g_intern_static_string ("TestEnum"), values);
- g_once_init_leave (&g_define_type_id__volatile, g_define_type_id);
+ g_once_init_leave (&static_g_define_type_id, g_define_type_id);
}
- return g_define_type_id__volatile;
+ return static_g_define_type_id;
}
static GType
test_unsigned_enum_get_type (void)
{
- static volatile gsize g_define_type_id__volatile = 0;
+ static gsize static_g_define_type_id = 0;
- if (g_once_init_enter (&g_define_type_id__volatile))
+ if (g_once_init_enter (&static_g_define_type_id))
{
static const GEnumValue values[] = {
{ TEST_UNSIGNED_ENUM_FOO, "TEST_UNSIGNED_ENUM_FOO", "foo" },
@@ -99,10 +99,10 @@ test_unsigned_enum_get_type (void)
};
GType g_define_type_id =
g_enum_register_static (g_intern_static_string ("TestUnsignedEnum"), values);
- g_once_init_leave (&g_define_type_id__volatile, g_define_type_id);
+ g_once_init_leave (&static_g_define_type_id, g_define_type_id);
}
- return g_define_type_id__volatile;
+ return static_g_define_type_id;
}
typedef enum {
diff --git a/gobject/tests/threadtests.c b/gobject/tests/threadtests.c
index e341a9d67..b6f9e17fa 100644
--- a/gobject/tests/threadtests.c
+++ b/gobject/tests/threadtests.c
@@ -27,8 +27,8 @@
#include <glib.h>
#include <glib-object.h>
-static volatile int mtsafe_call_counter = 0; /* multi thread safe call counter */
-static int unsafe_call_counter = 0; /* single-threaded call counter */
+static int mtsafe_call_counter = 0; /* multi thread safe call counter, must be accessed atomically */
+static int unsafe_call_counter = 0; /* single-threaded call counter */
static GCond sync_cond;
static GMutex sync_mutex;
diff --git a/meson.build b/meson.build
index e0b308a25..ad7f887fb 100644
--- a/meson.build
+++ b/meson.build
@@ -1773,7 +1773,7 @@ endforeach
# that then to silently fall back on emulated atomic ops just because
# the user had the wrong build environment.
atomictest = '''int main() {
- volatile int atomic = 2;
+ int atomic = 2;
__sync_bool_compare_and_swap (&atomic, 2, 3);
return 0;
}
@@ -1883,6 +1883,7 @@ endif
# FIXME: we should make it print the result and always return 0, so that
# the output in meson shows up as green
+# volatile is needed here to avoid optimisations in the test
stack_grows_check_prog = '''
volatile int *a = 0, *b = 0;
void f (int i) {
diff --git a/tests/gobject/performance-threaded.c b/tests/gobject/performance-threaded.c
index 30ea5bd80..c98541d66 100644
--- a/tests/gobject/performance-threaded.c
+++ b/tests/gobject/performance-threaded.c
@@ -52,7 +52,7 @@ static GType liststore_interfaces[6];
static gpointer
register_types (void)
{
- static volatile gsize inited = 0;
+ static gsize inited = 0;
if (g_once_init_enter (&inited))
{
liststore_interfaces[0] = simple_register_class ("GtkBuildable", G_TYPE_INTERFACE, 0);
diff --git a/tests/gobject/performance.c b/tests/gobject/performance.c
index 236ffaed0..163be58b4 100644
--- a/tests/gobject/performance.c
+++ b/tests/gobject/performance.c
@@ -575,8 +575,8 @@ test_type_check_run (PerformanceTest *test,
gpointer _data)
{
struct TypeCheckTest *data = _data;
- volatile GObject *object = data->object;
- volatile GType type, types[5];
+ GObject *object = data->object;
+ GType type, types[5];
int i, j;
types[0] = test_iface1_get_type ();
diff --git a/tests/onceinit.c b/tests/onceinit.c
index 89ba6a136..9788efcbd 100644
--- a/tests/onceinit.c
+++ b/tests/onceinit.c
@@ -25,13 +25,13 @@
static GMutex tmutex;
static GCond tcond;
-static volatile int thread_call_count = 0;
+static int thread_call_count = 0; /* (atomic) */
static char dummy_value = 'x';
static void
assert_singleton_execution1 (void)
{
- static volatile int seen_execution = 0;
+ static int seen_execution = 0; /* (atomic) */
int old_seen_execution = g_atomic_int_add (&seen_execution, 1);
if (old_seen_execution != 0)
g_error ("%s: function executed more than once", G_STRFUNC);
@@ -40,7 +40,7 @@ assert_singleton_execution1 (void)
static void
assert_singleton_execution2 (void)
{
- static volatile int seen_execution = 0;
+ static int seen_execution = 0; /* (atomic) */
int old_seen_execution = g_atomic_int_add (&seen_execution, 1);
if (old_seen_execution != 0)
g_error ("%s: function executed more than once", G_STRFUNC);
@@ -49,7 +49,7 @@ assert_singleton_execution2 (void)
static void
assert_singleton_execution3 (void)
{
- static volatile int seen_execution = 0;
+ static int seen_execution = 0; /* (atomic) */
int old_seen_execution = g_atomic_int_add (&seen_execution, 1);
if (old_seen_execution != 0)
g_error ("%s: function executed more than once", G_STRFUNC);
@@ -58,7 +58,7 @@ assert_singleton_execution3 (void)
static void
initializer1 (void)
{
- static volatile gsize initialized = 0;
+ static gsize initialized = 0;
if (g_once_init_enter (&initialized))
{
gsize initval = 42;
@@ -70,7 +70,7 @@ initializer1 (void)
static gpointer
initializer2 (void)
{
- static volatile gsize initialized = 0;
+ static gsize initialized = 0;
if (g_once_init_enter (&initialized))
{
void *pointer_value = &dummy_value;
@@ -83,7 +83,7 @@ initializer2 (void)
static void
initializer3 (void)
{
- static volatile gsize initialized = 0;
+ static gsize initialized = 0;
if (g_once_init_enter (&initialized))
{
gsize initval = 42;
@@ -163,7 +163,7 @@ main (int argc,
static void \
test_initializer_##N (void) \
{ \
- static volatile gsize initialized = 0; \
+ static gsize initialized = 0; \
if (g_once_init_enter (&initialized)) \
{ \
g_free (g_strdup_printf ("cpuhog%5d", 1)); \
diff --git a/tests/refcount/objects.c b/tests/refcount/objects.c
index 963766d00..0c471a42b 100644
--- a/tests/refcount/objects.c
+++ b/tests/refcount/objects.c
@@ -26,7 +26,7 @@ struct _GTestClass
};
static GType my_test_get_type (void);
-static volatile gboolean stopping;
+static gint stopping; /* (atomic) */
static void my_test_class_init (GTestClass * klass);
static void my_test_init (GTest * test);
@@ -101,7 +101,7 @@ run_thread (GTest * test)
{
gint i = 1;
- while (!stopping) {
+ while (!g_atomic_int_get (&stopping)) {
my_test_do_refcount (test);
if ((i++ % 10000) == 0) {
g_print (".");
@@ -128,7 +128,7 @@ main (int argc, char **argv)
test_threads = g_array_new (FALSE, FALSE, sizeof (GThread *));
- stopping = FALSE;
+ g_atomic_int_set (&stopping, 0);
for (i = 0; i < n_threads; i++) {
GThread *thread;
@@ -141,7 +141,7 @@ main (int argc, char **argv)
}
g_usleep (5000000);
- stopping = TRUE;
+ g_atomic_int_set (&stopping, 1);
g_print ("\nstopping\n");
diff --git a/tests/refcount/properties3.c b/tests/refcount/properties3.c
index bc8820661..31f26a46e 100644
--- a/tests/refcount/properties3.c
+++ b/tests/refcount/properties3.c
@@ -34,7 +34,7 @@ struct _GTestClass
static GType my_test_get_type (void);
G_DEFINE_TYPE (GTest, my_test, G_TYPE_OBJECT)
-static volatile gboolean stopping;
+static gint stopping; /* (atomic) */
static void my_test_get_property (GObject *object,
guint prop_id,
@@ -140,7 +140,7 @@ run_thread (GTest * test)
{
gint i = 1;
- while (!stopping) {
+ while (!g_atomic_int_get (&stopping)) {
my_test_do_property (test);
if ((i++ % 10000) == 0)
{
@@ -170,7 +170,7 @@ main (int argc, char **argv)
test_threads = g_array_new (FALSE, FALSE, sizeof (GThread *));
- stopping = FALSE;
+ g_atomic_int_set (&stopping, 0);
for (i = 0; i < n_threads; i++) {
GThread *thread;
@@ -180,7 +180,7 @@ main (int argc, char **argv)
}
g_usleep (30000000);
- stopping = TRUE;
+ g_atomic_int_set (&stopping, 1);
g_print ("\nstopping\n");
/* join all threads */