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/* @(#)sigdefs.h 1.1 97/05/25 Copyright 1997 J. Schilling */
/*
* Signal abstraction for BSD/SVR4 signals
*
* Copyright (c) 1997 J. Schilling
*/
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef _SIGDEFS_H
#define _SIGDEFS_H
#ifdef SIGPAUSE /* must be SVR4 */
#define signal sigset
#define block_sigs(a) { \
sigset_t new; \
\
sigfillset(&new); \
sigprocmask(SIG_BLOCK, &new, &a);\
}
#define unblock_sig(s) { \
sigset_t new; \
\
sigemptyset(&new); \
sigaddset(&new, (s)); \
sigprocmask(SIG_UNBLOCK, &new, NULL);\
}
#define restore_sigs(a) sigprocmask(SIG_SETMASK, &a, 0);
#else
#define sigset_t int
#define block_sigs(a) a = sigblock(0xFFFFFFFF)
#define restore_sigs(a) sigsetmask(a);
#endif
#endif /* _SIGDEFS_H */
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