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Annotation of GNUtools/libg++/libiberty/sigsetmask.c, revision 1.1.1.1

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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