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- /* NAME:
- * sigact.h - sigaction et al
- *
- * SYNOPSIS:
- * #include <signal.h>
- * #ifndef SA_NOCLDSTOP
- * # include "sigact.h"
- * #endif
- *
- * DESCRIPTION:
- * This header is the interface to a fake sigaction(2) implementation.
- * Do NOT include this header unless your system does not
- * have a real sigaction(2) implementation.
- */
- /*
- * $Log: sigact.h,v $
- * Revision 1.2 1992/04/24 15:04:11 sjg
- * now compiles with cc
- *
- * Revision 1.1 1992/04/24 12:01:38 sjg
- * Initial revision
- *
- */
-
- #ifndef _SIGACT_H
- #define _SIGACT_H
-
- #ifndef ARGS
- # if defined(__STDC__)
- # define ARGS(p) p
- # else
- # define ARGS(p) ()
- # endif
- #endif
- #ifndef __STDC__
- # define volatile /* can change without warning */
- # define const /* read only */
- #endif
-
- #ifndef SIGKILL
- # include <signal.h>
- #endif
- #ifndef SA_NOCLDSTOP
- /* sa_flags */
- #define SA_NOCLDSTOP 0x0001 /* don't send SIGCHLD on child stop */
- #define SA_RESTART 0x0002 /* re-start I/O */
-
- /* sigprocmask flags */
- #define SIG_BLOCK 0x0001
- #define SIG_UNBLOCK 0x0002
- #define SIG_SETMASK 0x0004
-
- #ifndef __sys_stdtypes_h
- typedef int sigset_t;
- #endif
-
- struct sigaction
- {
- void (*sa_handler)();
- sigset_t sa_mask;
- int sa_flags;
- };
-
-
- int sigaction ARGS(( int sig, struct sigaction *act, struct sigaction *oact ));
- int sigaddset ARGS(( sigset_t *mask, int sig ));
- int sigdelset ARGS(( sigset_t *mask, int sig ));
- int sigemptyset ARGS(( sigset_t *mask ));
- int sigfillset ARGS(( sigset_t *mask ));
- int sigismember ARGS(( sigset_t *mask, int sig ));
- int sigpending ARGS(( sigset_t *set ));
- int sigprocmask ARGS(( int how, sigset_t *set, sigset_t *oldset ));
- int sigsuspend ARGS(( sigset_t *mask ));
-
- #ifndef sigmask
- #define sigmask(m) (1<<((m)-1)) /* convert SIGnum to mask */
- #endif
- #if !defined(NSIG) && defined(_NSIG)
- # define NSIG _NSIG
- #endif
- #endif /* ! SA_NOCLDSTOP */
- #endif /* _SIGACT_H */
- /*
- * Local Variables:
- * version-control:t
- * comment-column:40
- * End:
- */
-