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Diffstat (limited to 'newlib/libc/include/sys/signal.h')
| -rw-r--r-- | newlib/libc/include/sys/signal.h | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/newlib/libc/include/sys/signal.h b/newlib/libc/include/sys/signal.h new file mode 100644 index 00000000000..00d25ead33d --- /dev/null +++ b/newlib/libc/include/sys/signal.h @@ -0,0 +1,182 @@ +/* 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 */ |