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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 */
-