Wed Feb 14 00:21:17 1996 David Mosberger-Tang <davidm@azstarnet.com>

	* sysdeps/posix/sleep.c (sleep): initialize sa_mask to mask of
	currently blocked signals instead of the empty mask to ensure
	that execution of alarm handler occurs with none of the currently
	blocked signals enabled.

diff --git a/sysdeps/posix/sleep.c b/sysdeps/posix/sleep.c
index 36864cb..20f78a0 100644 (file)
--- a/sysdeps/posix/sleep.c
+++ b/sysdeps/posix/sleep.c
@@ -58,8 +58,8 @@ DEFUN(sleep, (seconds), unsigned int seconds)
 
   act.sa_handler = sleep_handler;
   act.sa_flags = 0;
-  if (sigemptyset (&act.sa_mask) < 0 ||
-      sigaction (SIGALRM, &act, &oact) < 0)
+  act.sa_mask = oset;  /* execute handler with original mask */
+  if (sigaction (SIGALRM, &act, &oact) < 0)
     return seconds;
 
   before = time ((time_t *) NULL);