-/* 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
#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)