mirror of
git://sourceware.org/git/glibc.git
synced 2024-12-03 04:01:43 +08:00
03bac9acad
2000-12-26 Andreas Jaeger <aj@suse.de> * libio/getc_u.c: Include stdio.h via system path to get internal prototypes. * libio/getwc_u.c: Likewise. * stdlib/strfmon.c: Fix prototype of __printf_fp. * stdio-common/vfprintf.c (process_arg): Move __printf_fphex and __printf_fp prototypes to ... * include/printf.h: ...here. * include/stdio.h: Add some internal prototypes to shut up GCC. * include/stdlib.h: Likewise. * sysdeps/posix/sigpause.c (__sigpause): Use ISO C prototype declaration. * include/signal.h: Add prototypes for internal sigpause interfaces.
78 lines
2.4 KiB
C
78 lines
2.4 KiB
C
/* Copyright (C) 1991, 92, 1994-1998, 2000 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
|
|
modify it under the terms of the GNU Library General Public License as
|
|
published by the Free Software Foundation; either version 2 of the
|
|
License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
#include <errno.h>
|
|
#include <signal.h>
|
|
#include <stddef.h> /* For NULL. */
|
|
|
|
/* Set the mask of blocked signals to MASK,
|
|
wait for a signal to arrive, and then restore the mask. */
|
|
int
|
|
__sigpause (int sig_or_mask, int is_sig)
|
|
{
|
|
sigset_t set;
|
|
int sig;
|
|
|
|
if (is_sig != 0)
|
|
{
|
|
/* The modern X/Open implementation is requested. */
|
|
if (__sigprocmask (0, NULL, &set) < 0
|
|
/* Yes, we call `sigdelset' and not `__sigdelset'. */
|
|
|| __sigdelset (&set, sig_or_mask) < 0)
|
|
return -1;
|
|
}
|
|
else
|
|
{
|
|
if (__sigemptyset (&set) < 0)
|
|
return -1;
|
|
|
|
if (sizeof (sig_or_mask) == sizeof (set))
|
|
*(int *) &set = sig_or_mask;
|
|
else if (sizeof (unsigned long int) == sizeof (set))
|
|
*(unsigned long int *) &set = (unsigned int) sig_or_mask;
|
|
else
|
|
for (sig = 1; sig < NSIG; ++sig)
|
|
if ((sig_or_mask & sigmask (sig)) && __sigaddset (&set, sig) < 0)
|
|
return -1;
|
|
}
|
|
|
|
return __sigsuspend (&set);
|
|
}
|
|
|
|
|
|
/* We have to provide a default version of this function since the
|
|
standards demand it. The version which is a bit more reasonable is
|
|
the BSD version. So make this the default. */
|
|
int
|
|
__default_sigpause (int mask)
|
|
{
|
|
return __sigpause (mask, 0);
|
|
}
|
|
#undef sigpause
|
|
weak_alias (__default_sigpause, sigpause)
|
|
|
|
|
|
/* We have to provide a default version of this function since the
|
|
standards demand it. The version which is a bit more reasonable is
|
|
the BSD version. So make this the default. */
|
|
int
|
|
__xpg_sigpause (int sig)
|
|
{
|
|
return __sigpause (sig, 1);
|
|
}
|