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authorRoland McGrath <roland@gnu.org>2003-02-24 03:51:24 +0000
committerRoland McGrath <roland@gnu.org>2003-02-24 03:51:24 +0000
commit98d8dc64a9b9fc0dbd7af6cf2e4359403aaeb817 (patch)
tree96279a1c9c2b0bd5f8f6eeeb35c2aabb004bcb55 /sysdeps
parent5e47b76b5049f2449fc81e873bb87e6d06e3b2ef (diff)
2003-02-23 Roland McGrath <roland@redhat.com>
* sysdeps/posix/pause.c: New file. * sysdeps/unix/common/pause.c: File removed.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/posix/pause.c (renamed from sysdeps/unix/common/pause.c)29
1 files changed, 9 insertions, 20 deletions
diff --git a/sysdeps/unix/common/pause.c b/sysdeps/posix/pause.c
index 14b87e44d0..db2c54f29d 100644
--- a/sysdeps/unix/common/pause.c
+++ b/sysdeps/posix/pause.c
@@ -1,4 +1,5 @@
-/* Copyright (C) 1991, 1996, 2002, 2003 Free Software Foundation, Inc.
+/* pause -- suspend the process until a signal arrives. POSIX.1 version.
+ Copyright (C) 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -18,32 +19,20 @@
#include <signal.h>
#include <unistd.h>
-#include <sysdep-cancel.h>
/* Suspend the process until a signal arrives.
This always returns -1 and sets errno to EINTR. */
-static void
-do_pause (void)
+int
+__libc_pause (void)
{
sigset_t set;
- sigemptyset (&set);
+ __sigemptyset (&set);
+ __sigprocmask (SIG_BLOCK, NULL, &set);
- __sigsuspend (&set);
-}
+ /* pause is a cancellation point, but so is sigsuspend.
+ So no need for anything special here. */
-int
-__libc_pause (void)
-{
- if (SINGLE_THREAD_P)
- {
- do_pause ();
- return -1;
- }
-
- int oldtype = LIBC_CANCEL_ASYNC ();
- (void) do_pause ();
- LIBC_CANCEL_RESET (oldtype);
- return -1;
+ return __sigsuspend (&set);
}
weak_alias (__libc_pause, pause)