Fix weston-launch brokenness

Apparently sigprocmask is inherited across fork and execve, so
when started by weston-launch we get the broken mask with INT, TERM
and CHLD blocked.

In particular, mutter was not noticing that xwayland was crashing.

1 files changed, 8 insertions, 0 deletions

diff --git a/src/core/main.c b/src/core/main.c
index 30e70fe14..d54557674 100644
--- a/src/core/main.c
+++ b/src/core/main.c
@@ -390,7 +390,15 @@ meta_init (void)
                 g_strerror (errno));
 #endif
 
+  /* Revert weston-launch brokenness */
+  sigemptyset (&empty_mask);
+  sigaddset (&empty_mask, SIGTERM);
+  sigaddset (&empty_mask, SIGCHLD);
+  sigaddset (&empty_mask, SIGINT);
+  sigprocmask (SIG_UNBLOCK, &empty_mask, NULL);
+
   g_unix_signal_add (SIGTERM, on_sigterm, NULL);
+  g_unix_signal_add (SIGINT, on_sigterm, NULL);
 
   if (g_getenv ("MUTTER_VERBOSE"))
     meta_set_verbose (TRUE);