183 lines
6.3 KiB
C
183 lines
6.3 KiB
C
/* 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(__CYGWIN__)
|
|
#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(__CYGWIN__) /* BSD signals semantics */
|
|
#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 */
|