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2e47aff5ac
* posix/wordexp.c (do_parse_glob): Likewise. * sysdeps/posix/sigblock.c (__sigblock): Likewise. * sysdeps/posix/sigsetmask.c (__sigsetmask): Likewise. * elf/dl-open.c (_dl_open): Likewise. * elf/dl-close.c (_dl_close): Likewise. * elf/dl-load.c (_dl_map_object): Likewise. * iconv/iconv_prog.c (process_fd): Likewise.
58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
/* Copyright (C) 1991, 94, 95, 96, 97, 98, 2001 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <errno.h>
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#include <signal.h>
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/* Block signals in MASK, returning the old mask. */
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int
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__sigblock (mask)
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int mask;
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{
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register unsigned int sig;
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sigset_t set, oset;
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if (__sigemptyset (&set) < 0)
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return -1;
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if (sizeof (mask) == sizeof (set))
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*(int *) &set = mask;
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else if (sizeof (unsigned long int) == sizeof (set))
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*(unsigned long int *) &set = (unsigned int) mask;
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else
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for (sig = 1; sig < NSIG && sig <= sizeof (mask) * 8; ++sig)
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if ((mask & sigmask (sig)) && __sigaddset (&set, sig) < 0)
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return -1;
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if (__sigprocmask (SIG_BLOCK, &set, &oset) < 0)
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return -1;
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if (sizeof (mask) == sizeof (oset))
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mask = *(int *) &oset;
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else if (sizeof (unsigned long int) == sizeof (oset))
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mask = *(unsigned long int*) &oset;
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else
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for (sig = 1, mask = 0; sig < NSIG && sig <= sizeof (mask) * 8; ++sig)
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if (__sigismember (&oset, sig))
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mask |= sigmask (sig);
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return mask;
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}
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weak_alias (__sigblock, sigblock)
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