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/* sys/signal.h */
#ifndef _SYS_SIGNAL_H
#define _SYS_SIGNAL_H
#ifdef __cplusplus
extern "C" {
#endif
#include "_ansi.h"
#ifndef __STRICT_ANSI__
typedef unsigned long sigset_t;
struct sigaction
{
void (*sa_handler)(int);
sigset_t sa_mask;
int sa_flags;
};
#define SA_NOCLDSTOP 1 /* only value supported now for sa_flags */
#define SIG_SETMASK 0 /* set mask with sigprocmask() */
#define SIG_BLOCK 1 /* set of signals to block */
#define SIG_UNBLOCK 2 /* set of signals to, well, unblock */
/* These depend upon the type of sigset_t, which right now
is always a long.. They're in the POSIX namespace, but
are not ANSI. */
#define sigaddset(what,sig) (*(what) |= (1<<(sig)))
#define sigemptyset(what) (*(what) = 0)
int sigprocmask (int __how, const sigset_t *__a, sigset_t *__b);
/* protos for functions found in winsup sources */
#if defined(__CYGWIN32__)
#undef sigaddset
#undef sigemptyset
/* The first argument to kill should be pid_t. Right now
<sys/types.h> always defines pid_t to be int. If that ever
changes, then we will need to do something else, perhaps along the
lines of <machine/types.h>. */
int _EXFUN(kill, (int, int));
int _EXFUN(sigaction, (int, const struct sigaction *, struct sigaction *));
int _EXFUN(sigaddset, (sigset_t *, const int));
int _EXFUN(sigdelset, (sigset_t *, const int));
int _EXFUN(sigismember, (const sigset_t *, int));
int _EXFUN(sigfillset, (sigset_t *));
int _EXFUN(sigemptyset, (sigset_t *));
int _EXFUN(sigpending, (sigset_t *));
int _EXFUN(sigsuspend, (const sigset_t *));
int _EXFUN(sigpause, (int));
#endif
#endif /* __STRICT_ANSI__ */
#if defined(___AM29K__)
/* These all need to be defined for ANSI C, but I don't think they are
meaningful. */
#define SIGABRT 1
#define SIGFPE 1
#define SIGILL 1
#define SIGINT 1
#define SIGSEGV 1
#define SIGTERM 1
/* These need to be defined for POSIX, and some others do too. */
#define SIGHUP 1
#define SIGQUIT 1
#define NSIG 2
#elif defined(__GO32__)
#define SIGINT 1
#define SIGKILL 2
#define SIGPIPE 3
#define SIGFPE 4
#define SIGHUP 5
#define SIGTERM 6
#define SIGSEGV 7
#define SIGTSTP 8
#define SIGQUIT 9
#define SIGTRAP 10
#define SIGILL 11
#define SIGEMT 12
#define SIGALRM 13
#define SIGBUS 14
#define SIGLOST 15
#define SIGSTOP 16
#define SIGABRT 17
#define SIGUSR1 18
#define SIGUSR2 19
#define NSIG 20
#elif defined(__CYGWIN32__) /* BSD signals symantics */
#define SIGHUP 1 /* hangup */
#define SIGINT 2 /* interrupt */
#define SIGQUIT 3 /* quit */
#define SIGILL 4 /* illegal instruction (not reset when caught) */
#define SIGTRAP 5 /* trace trap (not reset when caught) */
#define SIGABRT 6 /* used by abort */
#define SIGEMT 7 /* EMT instruction */
#define SIGFPE 8 /* floating point exception */
#define SIGKILL 9 /* kill (cannot be caught or ignored) */
#define SIGBUS 10 /* bus error */
#define SIGSEGV 11 /* segmentation violation */
#define SIGSYS 12 /* bad argument to system call */
#define SIGPIPE 13 /* write on a pipe with no one to read it */
#define SIGALRM 14 /* alarm clock */
#define SIGTERM 15 /* software termination signal from kill */
#define SIGURG 16 /* urgent condition on IO channel */
#define SIGSTOP 17 /* sendable stop signal not from tty */
#define SIGTSTP 18 /* stop signal from tty */
#define SIGCONT 19 /* continue a stopped process */
#define SIGCHLD 20 /* to parent on child stop or exit */
#define SIGCLD 20 /* System V name for SIGCHLD */
#define SIGTTIN 21 /* to readers pgrp upon background tty read */
#define SIGTTOU 22 /* like TTIN for output if (tp->t_local<OSTOP) */
#define SIGIO 23 /* input/output possible signal */
#define SIGPOLL SIGIO /* System V name for SIGIO */
#define SIGXCPU 24 /* exceeded CPU time limit */
#define SIGXFSZ 25 /* exceeded file size limit */
#define SIGVTALRM 26 /* virtual time alarm */
#define SIGPROF 27 /* profiling time alarm */
#define SIGWINCH 28 /* window changed */
#define SIGLOST 29 /* resource lost (eg, record-lock lost) */
#define SIGUSR1 30 /* user defined signal 1 */
#define SIGUSR2 31 /* user defined signal 2 */
#define NSIG 32 /* signal 0 implied */
#else
#define SIGHUP 1 /* hangup */
#define SIGINT 2 /* interrupt */
#define SIGQUIT 3 /* quit */
#define SIGILL 4 /* illegal instruction (not reset when caught) */
#define SIGTRAP 5 /* trace trap (not reset when caught) */
#define SIGIOT 6 /* IOT instruction */
#define SIGABRT 6 /* used by abort, replace SIGIOT in the future */
#define SIGEMT 7 /* EMT instruction */
#define SIGFPE 8 /* floating point exception */
#define SIGKILL 9 /* kill (cannot be caught or ignored) */
#define SIGBUS 10 /* bus error */
#define SIGSEGV 11 /* segmentation violation */
#define SIGSYS 12 /* bad argument to system call */
#define SIGPIPE 13 /* write on a pipe with no one to read it */
#define SIGALRM 14 /* alarm clock */
#define SIGTERM 15 /* software termination signal from kill */
#if defined(__svr4__)
/* svr4 specifics. different signals above 15, and sigaction. */
#define SIGUSR1 16
#define SIGUSR2 17
#define SIGCLD 18
#define SIGPWR 19
#define SIGWINCH 20
#define SIGPOLL 22 /* 20 for x.out binaries!!!! */
#define SIGSTOP 23 /* sendable stop signal not from tty */
#define SIGTSTP 24 /* stop signal from tty */
#define SIGCONT 25 /* continue a stopped process */
#define SIGTTIN 26 /* to readers pgrp upon background tty read */
#define SIGTTOU 27 /* like TTIN for output if (tp->t_local<OSTOP) */
#define NSIG 28
#else
#define SIGURG 16 /* urgent condition on IO channel */
#define SIGSTOP 17 /* sendable stop signal not from tty */
#define SIGTSTP 18 /* stop signal from tty */
#define SIGCONT 19 /* continue a stopped process */
#define SIGCHLD 20 /* to parent on child stop or exit */
#define SIGCLD 20 /* System V name for SIGCHLD */
#define SIGTTIN 21 /* to readers pgrp upon background tty read */
#define SIGTTOU 22 /* like TTIN for output if (tp->t_local<OSTOP) */
#define SIGIO 23 /* input/output possible signal */
#define SIGPOLL SIGIO /* System V name for SIGIO */
#define SIGXCPU 24 /* exceeded CPU time limit */
#define SIGXFSZ 25 /* exceeded file size limit */
#define SIGVTALRM 26 /* virtual time alarm */
#define SIGPROF 27 /* profiling time alarm */
#define SIGWINCH 28 /* window changed */
#define SIGLOST 29 /* resource lost (eg, record-lock lost) */
#define SIGUSR1 30 /* user defined signal 1 */
#define SIGUSR2 31 /* user defined signal 2 */
#define NSIG 32 /* signal 0 implied */
#endif
#endif
#ifdef __cplusplus
}
#endif
#endif /* _SYS_SIGNAL_H */
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