GCond: check result of pthread_condattr_setclock()

Make sure this call succeeds, aborting if it doesn't

This will prevent people from having to waste time chasing down the problems
that would otherwise be caused by this silent failure.

1 files changed, 7 insertions, 2 deletions

diff --git a/glib/gthread-posix.c b/glib/gthread-posix.c
index 4a01f4dad..c98c2d807 100644
--- a/glib/gthread-posix.c
+++ b/glib/gthread-posix.c
@@ -639,8 +639,13 @@ g_cond_impl_new (void)
   gint status;
 
   pthread_condattr_init (&attr);
-#if defined (HAVE_PTHREAD_CONDATTR_SETCLOCK) && defined (CLOCK_MONOTONIC)
-  pthread_condattr_setclock (&attr, CLOCK_MONOTONIC);
+
+#ifdef HAVE_PTHREAD_COND_TIMEDWAIT_RELATIVE_NP
+#elif defined (HAVE_PTHREAD_CONDATTR_SETCLOCK) && defined (CLOCK_MONOTONIC)
+  if G_UNLIKELY ((status = pthread_condattr_setclock (&attr, CLOCK_MONOTONIC)) != 0)
+    g_thread_abort (status, "pthread_condattr_setclock");
+#else
+#error Cannot support GCond on your platform.
 #endif
 
   cond = malloc (sizeof (pthread_cond_t));