1 /* Copyright (C) 1991,92,94-98,2000,2002,2003,2004
2 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
23 #include <stddef.h> /* For NULL. */
25 libc_hidden_proto(sigprocmask)
26 libc_hidden_proto(sigdelset)
27 libc_hidden_proto(sigsuspend)
29 #include "sigset-cvt-mask.h"
31 /* Set the mask of blocked signals to MASK,
32 wait for a signal to arrive, and then restore the mask. */
33 libc_hidden_proto(__sigpause)
34 int __sigpause (int sig_or_mask, int is_sig)
40 /* The modern X/Open implementation is requested. */
41 if (sigprocmask (0, NULL, &set) < 0
42 /* Yes, we call `sigdelset' and not `__sigdelset'. */
43 || sigdelset (&set, sig_or_mask) < 0)
46 else if (sigset_set_old_mask (&set, sig_or_mask) < 0)
49 return sigsuspend (&set);
51 libc_hidden_def(__sigpause)
55 /* We have to provide a default version of this function since the
56 standards demand it. The version which is a bit more reasonable is
57 the BSD version. So make this the default. */
58 libc_hidden_proto(sigpause)
59 int sigpause (int mask)
61 return __sigpause (mask, 0);
63 libc_hidden_def(sigpause)