Changeset f3b5dc8 for signal.c

Timestamp:

Mar 25, 2011, 3:55:41 AM (13 years ago)

Author:

David Benjamin <davidben@mit.edu>

Children:

567de81

Parents:

8eb6068

git-author:

David Benjamin <davidben@mit.edu> (02/28/11 10:12:15)

git-committer:

David Benjamin <davidben@mit.edu> (03/25/11 03:55:41)

Message:

Reset signal dispositions and mask, in case our parent was lame

Also check return values more carefully.

File:

• signal.c (modified) (3 diffs)

signal.c

@@ -1 +1 @@
 #include <glib.h>
+#include <errno.h>
 #include <pthread.h>
 #include <signal.h>
@@ -21 +22 @@
 void owl_signal_init(const sigset_t *set, void (*callback)(int, void*), void *data) {
   GError *error = NULL;
+  int ret;
 
   signal_set = *set;
@@ -26 +28 @@
   signal_cbdata = data;
   /* Block these signals in all threads, so we can get them. */
-  pthread_sigmask(SIG_BLOCK, set, NULL);
+  if ((ret = pthread_sigmask(SIG_BLOCK, set, NULL)) != 0) {
+    errno = ret;
+    perror("pthread_sigmask");
+  }
   /* Spawn a dedicated thread to sigwait. */
   signal_thread = g_thread_create(signal_thread_func, NULL, FALSE, &error);