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-rw-r--r--runtime/doc/autocmd.txt11
-rw-r--r--src/autocmd.c1
-rw-r--r--src/getchar.c7
-rw-r--r--src/globals.h11
-rw-r--r--src/os_unix.c27
-rw-r--r--src/testdir/test_autocmd.vim13
-rw-r--r--src/version.c2
-rw-r--r--src/vim.h1
8 files changed, 67 insertions, 6 deletions
diff --git a/runtime/doc/autocmd.txt b/runtime/doc/autocmd.txt
index 4d24ed79f..613dd8561 100644
--- a/runtime/doc/autocmd.txt
+++ b/runtime/doc/autocmd.txt
@@ -380,6 +380,7 @@ Name triggered by ~
info
|User| to be used in combination with ":doautocmd"
+|SigUSR1| after the SIGUSR1 signal has been detected
The alphabetical list of autocommand events: *autocmd-events-abc*
@@ -1158,6 +1159,7 @@ TextYankPost After text has been yanked or deleted in the
It is not allowed to change the buffer text,
see |textlock|.
{only when compiled with the +eval feature}
+
*User*
User Never executed automatically. To be used for
autocommands that are only executed with
@@ -1166,6 +1168,15 @@ User Never executed automatically. To be used for
used while there are no matching autocommands,
you will get an error. If you don't want
that, define a dummy autocommand yourself.
+
+ *SigUSR1*
+SigUSR1 After the SIGUSR1 signal has been detected.
+ Could be used if other ways of notifying Vim
+ are not feasible. E.g. to check for the
+ result of a build that takes a long time, or
+ when a motion sensor is triggered.
+ {only on Unix}
+
*UserGettingBored*
UserGettingBored When the user presses the same key 42 times.
Just kidding! :-)
diff --git a/src/autocmd.c b/src/autocmd.c
index 937e74187..8e0754b69 100644
--- a/src/autocmd.c
+++ b/src/autocmd.c
@@ -161,6 +161,7 @@ static struct event_name
{"SessionLoadPost", EVENT_SESSIONLOADPOST},
{"ShellCmdPost", EVENT_SHELLCMDPOST},
{"ShellFilterPost", EVENT_SHELLFILTERPOST},
+ {"SigUSR1", EVENT_SIGUSR1},
{"SourceCmd", EVENT_SOURCECMD},
{"SourcePre", EVENT_SOURCEPRE},
{"SourcePost", EVENT_SOURCEPOST},
diff --git a/src/getchar.c b/src/getchar.c
index fcee7dda7..2beffa578 100644
--- a/src/getchar.c
+++ b/src/getchar.c
@@ -2204,6 +2204,13 @@ parse_queued_messages(void)
if (has_sound_callback_in_queue())
invoke_sound_callback();
# endif
+#ifdef SIGUSR1
+ if (got_sigusr1)
+ {
+ apply_autocmds(EVENT_SIGUSR1, NULL, NULL, FALSE, curbuf);
+ got_sigusr1 = FALSE;
+ }
+#endif
break;
}
diff --git a/src/globals.h b/src/globals.h
index 27a8d6814..b8fd231df 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -1171,9 +1171,14 @@ EXTERN int curscript INIT(= 0); // index in scriptin[]
EXTERN FILE *scriptout INIT(= NULL); // stream to write script to
EXTERN int read_cmd_fd INIT(= 0); // fd to read commands from
-// volatile because it is used in signal handler catch_sigint().
-EXTERN volatile sig_atomic_t got_int INIT(= FALSE); // set to TRUE when interrupt
- // signal occurred
+// Set to TRUE when an interrupt signal occurred.
+// Volatile because it is used in signal handler catch_sigint().
+EXTERN volatile sig_atomic_t got_int INIT(= FALSE);
+
+// Set to TRUE when SIGUSR1 signal was detected.
+// Volatile because it is used in signal handler catch_sigint().
+EXTERN volatile sig_atomic_t got_sigusr1 INIT(= FALSE);
+
#ifdef USE_TERM_CONSOLE
EXTERN int term_console INIT(= FALSE); // set to TRUE when console used
#endif
diff --git a/src/os_unix.c b/src/os_unix.c
index c6ba2499b..095e3a78e 100644
--- a/src/os_unix.c
+++ b/src/os_unix.c
@@ -164,6 +164,9 @@ static RETSIGTYPE sig_winch SIGPROTOARG;
#if defined(SIGINT)
static RETSIGTYPE catch_sigint SIGPROTOARG;
#endif
+#if defined(SIGUSR1)
+static RETSIGTYPE catch_sigusr1 SIGPROTOARG;
+#endif
#if defined(SIGPWR)
static RETSIGTYPE catch_sigpwr SIGPROTOARG;
#endif
@@ -297,7 +300,7 @@ static struct signalinfo
{SIGXFSZ, "XFSZ", TRUE},
#endif
#ifdef SIGUSR1
- {SIGUSR1, "USR1", TRUE},
+ {SIGUSR1, "USR1", FALSE},
#endif
#if defined(SIGUSR2) && !defined(FEAT_SYSMOUSE)
// Used for sysmouse handling
@@ -837,6 +840,17 @@ catch_sigint SIGDEFARG(sigarg)
}
#endif
+#if defined(SIGUSR1)
+ static RETSIGTYPE
+catch_sigusr1 SIGDEFARG(sigarg)
+{
+ // this is not required on all systems, but it doesn't hurt anybody
+ signal(SIGUSR1, (RETSIGTYPE (*)())catch_sigusr1);
+ got_sigusr1 = TRUE;
+ SIGRETURN;
+}
+#endif
+
#if defined(SIGPWR)
static RETSIGTYPE
catch_sigpwr SIGDEFARG(sigarg)
@@ -1323,10 +1337,10 @@ set_signals(void)
#if defined(SIGCONT)
signal(SIGCONT, sigcont_handler);
#endif
+#ifdef SIGPIPE
/*
* We want to ignore breaking of PIPEs.
*/
-#ifdef SIGPIPE
signal(SIGPIPE, SIG_IGN);
#endif
@@ -1334,6 +1348,13 @@ set_signals(void)
catch_int_signal();
#endif
+#ifdef SIGUSR1
+ /*
+ * Call user's handler on SIGUSR1
+ */
+ signal(SIGUSR1, (RETSIGTYPE (*)())catch_sigusr1);
+#endif
+
/*
* Ignore alarm signals (Perl's alarm() generates it).
*/
@@ -1341,11 +1362,11 @@ set_signals(void)
signal(SIGALRM, SIG_IGN);
#endif
+#ifdef SIGPWR
/*
* Catch SIGPWR (power failure?) to preserve the swap files, so that no
* work will be lost.
*/
-#ifdef SIGPWR
signal(SIGPWR, (RETSIGTYPE (*)())catch_sigpwr);
#endif
diff --git a/src/testdir/test_autocmd.vim b/src/testdir/test_autocmd.vim
index b7a523e39..9ac707005 100644
--- a/src/testdir/test_autocmd.vim
+++ b/src/testdir/test_autocmd.vim
@@ -2509,4 +2509,17 @@ func Test_autocmd_deep_nesting()
autocmd! BufEnter Xfile
endfunc
+" Tests for SigUSR1 autocmd event, which is only available on posix systems.
+func Test_autocmd_sigusr1()
+ CheckUnix
+
+ let g:sigusr1_passed = 0
+ au SigUSR1 * let g:sigusr1_passed = 1
+ call system('/bin/kill -s usr1 ' . getpid())
+ call WaitForAssert({-> assert_true(g:sigusr1_passed)})
+
+ au! SigUSR1
+ unlet g:sigusr1_passed
+endfunc
+
" vim: shiftwidth=2 sts=2 expandtab
diff --git a/src/version.c b/src/version.c
index 7b292acde..0ed018c84 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
+ 952,
+/**/
951,
/**/
950,
diff --git a/src/vim.h b/src/vim.h
index 99afe2975..0204aa306 100644
--- a/src/vim.h
+++ b/src/vim.h
@@ -1316,6 +1316,7 @@ enum auto_event
EVENT_SESSIONLOADPOST, // after loading a session file
EVENT_SHELLCMDPOST, // after ":!cmd"
EVENT_SHELLFILTERPOST, // after ":1,2!cmd", ":w !cmd", ":r !cmd".
+ EVENT_SIGUSR1, // after the SIGUSR1 signal
EVENT_SOURCECMD, // sourcing a Vim script using command
EVENT_SOURCEPRE, // before sourcing a Vim script
EVENT_SOURCEPOST, // after sourcing a Vim script