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glib-unix: New API to watch some Unix signals

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This new API allows watching a few select Unix signals;
looking through the list on my system, I didn't see anything
else that I think it'd reasonable to watch.

We build on the previous patch to make the child watch helper thread
that existed on Unix handle these signals in the threaded case.
In the non-threaded case, they're just global variables.

https://bugzilla.gnome.org/show_bug.cgi?id=644941
This commit is contained in:
Colin Walters
2011-03-17 10:11:41 -04:00
parent 920899d78f
commit 549d895fa4
10 changed files with 549 additions and 76 deletions
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6
glib/tests/Makefile.am
View File

@@ -171,7 +171,11 @@ sort_LDADD = $(progs_ldadd)
if OS_UNIX
TEST_PROGS += unix
unix_LDADD = $(progs_ldadd)
unix_LDADD = $(progs_ldadd) $(top_builddir)/gthread/libgthread-2.0.la
TEST_PROGS += unix-nothreads
unix_nothreads_SOURCES = unix.c
unix_nothreads_LDADD = $(progs_ldadd)
# some testing of gtester funcitonality
XMLLINT=xmllint

81
glib/tests/unix.c
View File

@@ -48,13 +48,94 @@ test_pipe (void)
g_assert (g_str_has_prefix (buf, "hello"));
}
static gboolean sighup_received = FALSE;
static gboolean
on_sighup_received (gpointer user_data)
{
GMainLoop *loop = user_data;
g_main_loop_quit (loop);
sighup_received = TRUE;
return FALSE;
}
static gboolean
sighup_not_received (gpointer data)
{
GMainLoop *loop = data;
(void) loop;
g_error ("Timed out waiting for SIGHUP");
return FALSE;
}
static gboolean
exit_mainloop (gpointer data)
{
GMainLoop *loop = data;
g_main_loop_quit (loop);
return FALSE;
}
static void
test_sighup (void)
{
GMainLoop *mainloop;
mainloop = g_main_loop_new (NULL, FALSE);
sighup_received = FALSE;
g_unix_signal_add_watch_full (SIGHUP,
G_PRIORITY_DEFAULT,
on_sighup_received,
mainloop,
NULL);
kill (getpid (), SIGHUP);
g_assert (!sighup_received);
g_timeout_add (5000, sighup_not_received, mainloop);
g_main_loop_run (mainloop);
g_assert (sighup_received);
sighup_received = FALSE;
/* Ensure we don't get double delivery */
g_timeout_add (500, exit_mainloop, mainloop);
g_main_loop_run (mainloop);
g_assert (!sighup_received);
}
static void
test_sighup_add_remove (void)
{
GMainLoop *mainloop;
guint id;
mainloop = g_main_loop_new (NULL, FALSE);
sighup_received = FALSE;
id = g_unix_signal_add_watch_full (SIGHUP,
G_PRIORITY_DEFAULT,
on_sighup_received,
mainloop,
NULL);
g_source_remove (id);
kill (getpid (), SIGHUP);
g_assert (!sighup_received);
}
int
main (int argc,
char *argv[])
{
g_test_init (&argc, &argv, NULL);
#ifdef TEST_THREADED
g_thread_init (NULL);
#endif
g_test_add_func ("/glib-unix/pipe", test_pipe);
g_test_add_func ("/glib-unix/sighup", test_sighup);
g_test_add_func ("/glib-unix/sighup_again", test_sighup);
g_test_add_func ("/glib-unix/sighup_add_remove", test_sighup_add_remove);
return g_test_run();
}