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authorAndi Kleen <ak@linux.intel.com>2013-06-28 05:19:37 -0700
committerAndi Kleen <ak@linux.intel.com>2013-07-02 08:46:54 -0700
commit68cc29355f3334c7ad18f648ff9a6383a0916d23 (patch)
tree357381e30be0b3dedfafe7a220714e20aad6ad73
parentb023e4ca99f5e81f90d87d23cd267ef2abd2388c (diff)
downloadglibc-68cc29355f3334c7ad18f648ff9a6383a0916d23.tar.gz
Add minimal test suite changes for elision enabled kernels
tst-mutex5 and 8 test some behaviour not required by POSIX, that elision changes. This changes these tests to not check this when elision is enabled at configure time.
-rw-r--r--nptl/ChangeLog8
-rw-r--r--nptl/tst-mutex5.c4
-rw-r--r--nptl/tst-mutex8.c17
3 files changed, 28 insertions, 1 deletions
diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index 97ff78507b..e7495b9eb5 100644
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -1,5 +1,13 @@
2013-07-02 Andi Kleen <ak@linux.intel.com>
+ * tst-mutex5.c: Include config.h.
+ (do_test): Add checks for ENABLE_LOCK_ELISION.
+ * tst-mutex8.c: Include config.h
+ (tf): Add checks for ENABLE_LOCK_ELISION.
+ (check_type): Likewise.
+
+2013-07-02 Andi Kleen <ak@linux.intel.com>
+
* pthreadP.h: Add elision types.
(PTHREAD_MUTEX_TYPE_ELISION): Add.
* sysdeps/pthread/pthread.h: Add elision initializers.
diff --git a/nptl/tst-mutex5.c b/nptl/tst-mutex5.c
index f19cd8c317..c223f67824 100644
--- a/nptl/tst-mutex5.c
+++ b/nptl/tst-mutex5.c
@@ -22,6 +22,7 @@
#include <time.h>
#include <unistd.h>
#include <sys/time.h>
+#include <config.h>
#ifndef TYPE
@@ -85,6 +86,8 @@ do_test (void)
return 1;
}
+ /* Elided locks do not time out. */
+#ifdef ENABLE_LOCK_ELISION
if (pthread_mutex_trylock (&m) == 0)
{
puts ("mutex_trylock succeeded");
@@ -180,6 +183,7 @@ do_test (void)
puts ("3rd timedlock didn't return right away");
return 1;
}
+#endif
if (pthread_mutex_unlock (&m) != 0)
{
diff --git a/nptl/tst-mutex8.c b/nptl/tst-mutex8.c
index 2089c50d4e..d2307e47e7 100644
--- a/nptl/tst-mutex8.c
+++ b/nptl/tst-mutex8.c
@@ -93,6 +93,8 @@ tf (void *arg)
static int
check_type (const char *mas, pthread_mutexattr_t *ma)
{
+ int e __attribute__((unused));
+
if (pthread_mutex_init (m, ma) != 0)
{
printf ("1st mutex_init failed for %s\n", mas);
@@ -117,7 +119,10 @@ check_type (const char *mas, pthread_mutexattr_t *ma)
return 1;
}
- int e = pthread_mutex_destroy (m);
+ /* Elided mutexes don't fail destroy. If elision is not explicitly disabled
+ we don't know, so can also not check this. */
+#ifndef ENABLE_LOCK_ELISION
+ e = pthread_mutex_destroy (m);
if (e == 0)
{
printf ("mutex_destroy of self-locked mutex succeeded for %s\n", mas);
@@ -129,6 +134,7 @@ check_type (const char *mas, pthread_mutexattr_t *ma)
mas);
return 1;
}
+#endif
if (pthread_mutex_unlock (m) != 0)
{
@@ -142,6 +148,8 @@ check_type (const char *mas, pthread_mutexattr_t *ma)
return 1;
}
+ /* Elided mutexes don't fail destroy. */
+#ifndef ENABLE_LOCK_ELISION
e = pthread_mutex_destroy (m);
if (e == 0)
{
@@ -155,6 +163,7 @@ mutex_destroy of self-trylocked mutex did not return EBUSY %s\n",
mas);
return 1;
}
+#endif
if (pthread_mutex_unlock (m) != 0)
{
@@ -189,6 +198,8 @@ mutex_destroy of self-trylocked mutex did not return EBUSY %s\n",
return 1;
}
+ /* Elided mutexes don't fail destroy. */
+#ifndef ENABLE_LOCK_ELISION
e = pthread_mutex_destroy (m);
if (e == 0)
{
@@ -201,6 +212,7 @@ mutex_destroy of self-trylocked mutex did not return EBUSY %s\n",
mutex_destroy of condvar-used mutex did not return EBUSY for %s\n", mas);
return 1;
}
+#endif
done = true;
if (pthread_cond_signal (&c) != 0)
@@ -259,6 +271,8 @@ mutex_destroy of condvar-used mutex did not return EBUSY for %s\n", mas);
return 1;
}
+ /* Elided mutexes don't fail destroy. */
+#ifndef ENABLE_LOCK_ELISION
e = pthread_mutex_destroy (m);
if (e == 0)
{
@@ -273,6 +287,7 @@ mutex_destroy of condvar-used mutex did not return EBUSY for %s\n", mas);
mas);
return 1;
}
+#endif
if (pthread_cancel (th) != 0)
{