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Annotation of GNUtools/libg++/libiberty/sigsetmask.c, revision 1.1

1.1     ! root        1: /* Version of sigsetmask.c
        !             2:    Copyright 1991, 1992 Free Software Foundation, Inc.
        !             3:    Written by Steve Chamberlain ([email protected]).
        !             4:    Contributed by Cygnus Support.
        !             5: 
        !             6: This file is part of the libiberty library.
        !             7: Libiberty is free software; you can redistribute it and/or
        !             8: modify it under the terms of the GNU Library General Public
        !             9: License as published by the Free Software Foundation; either
        !            10: version 2 of the License, or (at your option) any later version.
        !            11: 
        !            12: Libiberty is distributed in the hope that it will be useful,
        !            13: but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            14: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
        !            15: Library General Public License for more details.
        !            16: 
        !            17: You should have received a copy of the GNU Library General Public
        !            18: License along with libiberty; see the file COPYING.LIB.  If
        !            19: not, write to the Free Software Foundation, Inc., 675 Mass Ave,
        !            20: Cambridge, MA 02139, USA.  */
        !            21: 
        !            22: /* Set the current signal mask to the set provided, and return the 
        !            23:    previous value */
        !            24: 
        !            25: #define _POSIX_SOURCE
        !            26: #include <ansidecl.h>
        !            27: #include <signal.h>
        !            28: 
        !            29: #ifdef SIG_SETMASK
        !            30: int
        !            31: DEFUN(sigsetmask,(set),
        !            32:       int set)
        !            33: {
        !            34:     sigset_t new;
        !            35:     sigset_t old;
        !            36:     
        !            37:     sigemptyset (&new);
        !            38:     if (set != 0) {
        !            39:       abort(); /* FIXME, we don't know how to translate old mask to new */
        !            40:     }
        !            41:     sigprocmask(SIG_SETMASK, &new, &old);
        !            42:     return 1;  /* FIXME, we always return 1 as old value.  */
        !            43: }
        !            44: #endif

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