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2003-02-23 Roland McGrath <roland@redhat.com>

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* sysdeps/posix/pause.c: New file.
	* sysdeps/unix/common/pause.c: File removed.
This commit is contained in:
Roland McGrath
2003-02-24 03:51:24 +00:00
parent 5e47b76b50
commit 98d8dc64a9
1 changed files with 10 additions and 21 deletions
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31
sysdeps/unix/common/pause.c → sysdeps/posix/pause.c
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@ -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)
{
sigset_t set;
sigemptyset (&set);
__sigsuspend (&set);
}
int
__libc_pause (void)
{
if (SINGLE_THREAD_P)
{
do_pause ();
return -1;
}
sigset_t set;
int oldtype = LIBC_CANCEL_ASYNC ();
(void) do_pause ();
LIBC_CANCEL_RESET (oldtype);
return -1;
__sigemptyset (&set);
__sigprocmask (SIG_BLOCK, NULL, &set);
/* pause is a cancellation point, but so is sigsuspend.
So no need for anything special here. */
return __sigsuspend (&set);
}
weak_alias (__libc_pause, pause)