diff options
Diffstat (limited to 'newlib/libc/include/sys/signal.h')
| -rw-r--r-- | newlib/libc/include/sys/signal.h | 342 |
1 files changed, 0 insertions, 342 deletions
diff --git a/newlib/libc/include/sys/signal.h b/newlib/libc/include/sys/signal.h deleted file mode 100644 index dde3aaa04..000000000 --- a/newlib/libc/include/sys/signal.h +++ /dev/null @@ -1,342 +0,0 @@ -/* sys/signal.h */ - -#ifndef _SYS_SIGNAL_H -#define _SYS_SIGNAL_H - -#ifdef __cplusplus -extern "C" { -#endif - -#include "_ansi.h" -#include <sys/features.h> - -/* #ifndef __STRICT_ANSI__*/ - -#if defined(_POSIX_THREADS) -#include <sys/types.h> /* for pthread data types */ -#endif - -typedef unsigned long sigset_t; - -#if defined(__rtems__) - -#if defined(_POSIX_REALTIME_SIGNALS) - -/* sigev_notify values - NOTE: P1003.1c/D10, p. 34 adds SIGEV_THREAD. */ - -#define SIGEV_NONE 1 /* No asynchronous notification shall be delivered */ - /* when the event of interest occurs. */ -#define SIGEV_SIGNAL 2 /* A queued signal, with an application defined */ - /* value, shall be delivered when the event of */ - /* interest occurs. */ -#define SIGEV_THREAD 3 /* A notification function shall be called to */ - /* perform notification. */ - -/* Signal Generation and Delivery, P1003.1b-1993, p. 63 - NOTE: P1003.1c/D10, p. 34 adds sigev_notify_function and - sigev_notify_attributes to the sigevent structure. */ - -union sigval { - int sival_int; /* Integer signal value */ - void *sival_ptr; /* Pointer signal value */ -}; - -struct sigevent { - int sigev_notify; /* Notification type */ - int sigev_signo; /* Signal number */ - union sigval sigev_value; /* Signal value */ - -#if defined(_POSIX_THREADS) - void (*sigev_notify_function)( union sigval ); - /* Notification function */ - pthread_attr_t *sigev_notify_attributes; /* Notification Attributes */ -#endif -}; - -/* Signal Actions, P1003.1b-1993, p. 64 */ -/* si_code values, p. 66 */ - -#define SI_USER 1 /* Sent by a user. kill(), abort(), etc */ -#define SI_QUEUE 2 /* Sent by sigqueue() */ -#define SI_TIMER 3 /* Sent by expiration of a timer_settime() timer */ -#define SI_ASYNCIO 4 /* Indicates completion of asycnhronous IO */ -#define SI_MESGQ 5 /* Indicates arrival of a message at an empty queue */ - -typedef struct { - int si_signo; /* Signal number */ - int si_code; /* Cause of the signal */ - union sigval si_value; /* Signal value */ -} siginfo_t; -#endif - -/* 3.3.8 Synchronously Accept a Signal, P1003.1b-1993, p. 76 */ - -#define SA_NOCLDSTOP 1 /* Do not generate SIGCHLD when children stop */ -#define SA_SIGINFO 2 /* Invoke the signal catching function with */ - /* three arguments instead of one. */ - -/* struct sigaction notes from POSIX: - * - * (1) Routines stored in sa_handler should take a single int as - * there argument although the POSIX standard does not require this. - * (2) The fields sa_handler and sa_sigaction may overlap, and a conforming - * application should not use both simultaneously. - */ - -typedef void (*_sig_func_ptr)(); - -struct sigaction { - int sa_flags; /* Special flags to affect behavior of signal */ - sigset_t sa_mask; /* Additional set of signals to be blocked */ - /* during execution of signal-catching */ - /* function. */ - union { - _sig_func_ptr _handler; /* SIG_DFL, SIG_IGN, or pointer to a function */ -#if defined(_POSIX_REALTIME_SIGNALS) - void (*_sigaction)( int, siginfo_t *, void * ); -#endif - } _signal_handlers; -}; - -#define sa_handler _signal_handlers._handler -#if defined(_POSIX_REALTIME_SIGNALS) -#define sa_sigaction _signal_handlers._sigaction -#endif - -#else - -typedef void (*_sig_func_ptr)(int); - -struct sigaction -{ - _sig_func_ptr sa_handler; - sigset_t sa_mask; - int sa_flags; -}; - -#define SA_NOCLDSTOP 1 /* only value supported now for sa_flags */ - -#ifdef __CYGWIN__ -# define SA_RESTART 0x10000000 /* Restart syscall on signal return. */ -# define SA_NODEFER 0x40000000 /* Don't automatically block the signal when - its handler is being executed. */ -# define SA_RESETHAND 0x80000000 /* Reset to SIG_DFL on entry to handler. */ -#endif - -#endif /* defined(__rtems__) */ - -#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 _EXFUN(sigprocmask, (int how, const sigset_t *set, sigset_t *oset)); - -#if defined(_POSIX_THREADS) -int _EXFUN(pthread_sigmask, (int how, const sigset_t *set, sigset_t *oset)); -#endif - -/* protos for functions found in winsup sources for CYGWIN */ -#if defined(__CYGWIN__) || defined(__rtems__) -#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(killpg, (pid_t, 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)); - -#if defined(_POSIX_THREADS) -#ifdef __CYGWIN__ -# ifndef _CYGWIN_TYPES_H -# error You need the winsup sources or a cygwin installation to compile the cygwin version of newlib. -# endif -#endif -int _EXFUN(pthread_kill, (pthread_t thread, int sig)); -#endif - -#if defined(_POSIX_REALTIME_SIGNALS) - -/* 3.3.8 Synchronously Accept a Signal, P1003.1b-1993, p. 76 - NOTE: P1003.1c/D10, p. 39 adds sigwait(). */ - -int _EXFUN(sigwaitinfo, (const sigset_t *set, siginfo_t *info)); -int _EXFUN(sigtimedwait, - (const sigset_t *set, siginfo_t *info, const struct timespec *timeout) -); -int _EXFUN(sigwait, (const sigset_t *set, int *sig)); - -/* 3.3.9 Queue a Signal to a Process, P1003.1b-1993, p. 78 */ -int _EXFUN(sigqueue, (pid_t pid, int signo, const union sigval value)); - -#endif /* defined(_POSIX_REALTIME_SIGNALS) */ - -#endif /* defined(__CYGWIN__) || defined(__rtems__) */ - -/* #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(__rtems__) -#define SIGUSR1 16 /* reserved as application defined signal 1 */ -#define SIGUSR2 17 /* reserved as application defined signal 2 */ - -#define __SIGFIRSTNOTRT SIGHUP -#define __SIGLASTNOTRT SIGUSR2 - -/* RTEMS does not support job control, hence no Job Control Signals are - defined per P1003.1b-1993, p. 60-61. - - RTEMS does not support memory protection, hence no Memory Protection - Signals are defined per P1003.1b-1993, p. 60-61. */ - -/* Real-Time Signals Range, P1003.1b-1993, p. 61 - NOTE: By P1003.1b-1993, this should be at least RTSIG_MAX - (which is a minimum of 8) signals. - */ - -#define SIGRTMIN 18 -#define SIGRTMAX 32 - -#elif 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 */ |