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Make pause(3) implementation not depended on the legacy sigcompat.c

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interfaces. Do not block rt signals during and after pause(3) calls.
Use private libc namespace to call proper methods.

MFC after:	1 week
This commit is contained in:
Konstantin Belousov 2010-02-25 13:51:11 +00:00
parent bc49613a68
commit 4d44fc9c59
1 changed files with 7 additions and 1 deletions
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8
lib/libc/gen/pause.c
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@ -33,8 +33,10 @@ static char sccsid[] = "@(#)pause.c 8.1 (Berkeley) 6/4/93";
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "namespace.h"
#include <signal.h>
#include <unistd.h>
#include "un-namespace.h"
/*
* Backwards compatible pause.
@ -42,7 +44,11 @@ __FBSDID("$FreeBSD$");
int
__pause(void)
{
return sigpause(sigblock(0L));
sigset_t oset;
if (_sigprocmask(SIG_BLOCK, NULL, &oset) == -1)
return (-1);
return (_sigsuspend(&oset));
}
__weak_reference(__pause, pause);
__weak_reference(__pause, _pause);