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[/] [altor32/] [trunk/] [gcc-x64/] [or1knd-elf/] [or1knd-elf/] [include/] [sys/] [signal.h] - Blame information for rev 35

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1 35 ultra_embe
/* sys/signal.h */
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#ifndef _SYS_SIGNAL_H
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#define _SYS_SIGNAL_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "_ansi.h"
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#include <sys/features.h>
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#include <sys/types.h>
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/* #ifndef __STRICT_ANSI__*/
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/* Cygwin defines it's own sigset_t in include/cygwin/signal.h */
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#ifndef __CYGWIN__
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typedef unsigned long sigset_t;
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#endif
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#if defined(__rtems__)
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#if defined(_POSIX_REALTIME_SIGNALS)
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/* sigev_notify values
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   NOTE: P1003.1c/D10, p. 34 adds SIGEV_THREAD.  */
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#define SIGEV_NONE   1  /* No asynchronous notification shall be delivered */
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                        /*   when the event of interest occurs. */
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#define SIGEV_SIGNAL 2  /* A queued signal, with an application defined */
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                        /*  value, shall be delivered when the event of */
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                        /*  interest occurs. */
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#define SIGEV_THREAD 3  /* A notification function shall be called to */
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                        /*   perform notification. */
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/*  Signal Generation and Delivery, P1003.1b-1993, p. 63
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    NOTE: P1003.1c/D10, p. 34 adds sigev_notify_function and
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          sigev_notify_attributes to the sigevent structure.  */
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union sigval {
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  int    sival_int;    /* Integer signal value */
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  void  *sival_ptr;    /* Pointer signal value */
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};
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struct sigevent {
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  int              sigev_notify;               /* Notification type */
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  int              sigev_signo;                /* Signal number */
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  union sigval     sigev_value;                /* Signal value */
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#if defined(_POSIX_THREADS)
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  void           (*sigev_notify_function)( union sigval );
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                                               /* Notification function */
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  pthread_attr_t  *sigev_notify_attributes;    /* Notification Attributes */
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#endif
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};
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/* Signal Actions, P1003.1b-1993, p. 64 */
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/* si_code values, p. 66 */
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#define SI_USER    1    /* Sent by a user. kill(), abort(), etc */
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#define SI_QUEUE   2    /* Sent by sigqueue() */
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#define SI_TIMER   3    /* Sent by expiration of a timer_settime() timer */
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#define SI_ASYNCIO 4    /* Indicates completion of asycnhronous IO */
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#define SI_MESGQ   5    /* Indicates arrival of a message at an empty queue */
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typedef struct {
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  int          si_signo;    /* Signal number */
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  int          si_code;     /* Cause of the signal */
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  union sigval si_value;    /* Signal value */
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} siginfo_t;
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#endif
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/*  3.3.8 Synchronously Accept a Signal, P1003.1b-1993, p. 76 */
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#define SA_NOCLDSTOP 1   /* Do not generate SIGCHLD when children stop */
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#define SA_SIGINFO   2   /* Invoke the signal catching function with */
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                         /*   three arguments instead of one. */
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/* struct sigaction notes from POSIX:
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 *
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 *  (1) Routines stored in sa_handler should take a single int as
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 *      their argument although the POSIX standard does not require this.
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 *      This is not longer true since at least POSIX.1-2008
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 *  (2) The fields sa_handler and sa_sigaction may overlap, and a conforming
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 *      application should not use both simultaneously.
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 */
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typedef void (*_sig_func_ptr)(int);
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struct sigaction {
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  int         sa_flags;       /* Special flags to affect behavior of signal */
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  sigset_t    sa_mask;        /* Additional set of signals to be blocked */
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                              /*   during execution of signal-catching */
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                              /*   function. */
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  union {
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    _sig_func_ptr _handler;  /* SIG_DFL, SIG_IGN, or pointer to a function */
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#if defined(_POSIX_REALTIME_SIGNALS)
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    void      (*_sigaction)( int, siginfo_t *, void * );
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#endif
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  } _signal_handlers;
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};
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#define sa_handler    _signal_handlers._handler
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#if defined(_POSIX_REALTIME_SIGNALS)
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#define sa_sigaction  _signal_handlers._sigaction
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#endif
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#elif defined(__CYGWIN__)
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#include <cygwin/signal.h>
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#else
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#define SA_NOCLDSTOP 1  /* only value supported now for sa_flags */
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typedef void (*_sig_func_ptr)(int);
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struct sigaction
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{
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        _sig_func_ptr sa_handler;
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        sigset_t sa_mask;
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        int sa_flags;
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};
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#endif /* defined(__rtems__) */
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#define SIG_SETMASK 0   /* set mask with sigprocmask() */
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#define SIG_BLOCK 1     /* set of signals to block */
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#define SIG_UNBLOCK 2   /* set of signals to, well, unblock */
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/* These depend upon the type of sigset_t, which right now
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   is always a long.. They're in the POSIX namespace, but
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   are not ANSI. */
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#define sigaddset(what,sig) (*(what) |= (1<<(sig)), 0)
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#define sigdelset(what,sig) (*(what) &= ~(1<<(sig)), 0)
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#define sigemptyset(what)   (*(what) = 0, 0)
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#define sigfillset(what)    (*(what) = ~(0), 0)
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#define sigismember(what,sig) (((*(what)) & (1<<(sig))) != 0)
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int _EXFUN(sigprocmask, (int how, const sigset_t *set, sigset_t *oset));
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#if defined(_POSIX_THREADS)
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int _EXFUN(pthread_sigmask, (int how, const sigset_t *set, sigset_t *oset));
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#endif
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/* protos for functions found in winsup sources for CYGWIN */
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#if defined(__CYGWIN__) || defined(__rtems__)
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#undef sigaddset
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#undef sigdelset
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#undef sigemptyset
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#undef sigfillset
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#undef sigismember
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#ifdef _COMPILING_NEWLIB
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int _EXFUN(_kill, (pid_t, int));
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#endif
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int _EXFUN(kill, (pid_t, int));
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int _EXFUN(killpg, (pid_t, int));
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int _EXFUN(sigaction, (int, const struct sigaction *, struct sigaction *));
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int _EXFUN(sigaddset, (sigset_t *, const int));
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int _EXFUN(sigdelset, (sigset_t *, const int));
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int _EXFUN(sigismember, (const sigset_t *, int));
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int _EXFUN(sigfillset, (sigset_t *));
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int _EXFUN(sigemptyset, (sigset_t *));
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int _EXFUN(sigpending, (sigset_t *));
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int _EXFUN(sigsuspend, (const sigset_t *));
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int _EXFUN(sigpause, (int));
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#if defined(_POSIX_THREADS)
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#ifdef __CYGWIN__
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#  ifndef _CYGWIN_TYPES_H
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#    error You need the winsup sources or a cygwin installation to compile the cygwin version of newlib.
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#  endif
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#endif
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int _EXFUN(pthread_kill, (pthread_t thread, int sig));
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#endif
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#if defined(_POSIX_REALTIME_SIGNALS)
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/*  3.3.8 Synchronously Accept a Signal, P1003.1b-1993, p. 76
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    NOTE: P1003.1c/D10, p. 39 adds sigwait().  */
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int _EXFUN(sigwaitinfo, (const sigset_t *set, siginfo_t *info));
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int _EXFUN(sigtimedwait,
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  (const sigset_t *set, siginfo_t *info, const struct timespec  *timeout)
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);
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int _EXFUN(sigwait, (const sigset_t *set, int *sig));
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/*  3.3.9 Queue a Signal to a Process, P1003.1b-1993, p. 78 */
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int _EXFUN(sigqueue, (pid_t pid, int signo, const union sigval value));
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#endif /* defined(_POSIX_REALTIME_SIGNALS) */
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#endif /* defined(__CYGWIN__) || defined(__rtems__) */
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/* #endif __STRICT_ANSI__ */
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#if defined(___AM29K__)
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/* These all need to be defined for ANSI C, but I don't think they are
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   meaningful.  */
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#define SIGABRT 1
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#define SIGFPE 1
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#define SIGILL 1
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#define SIGINT 1
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#define SIGSEGV 1
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#define SIGTERM 1
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/* These need to be defined for POSIX, and some others do too.  */
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#define SIGHUP 1
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#define SIGQUIT 1
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#define NSIG 2
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#elif defined(__GO32__)
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#define SIGINT  1
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#define SIGKILL 2
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#define SIGPIPE 3
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#define SIGFPE  4
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#define SIGHUP  5
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#define SIGTERM 6
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#define SIGSEGV 7
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#define SIGTSTP 8
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#define SIGQUIT 9
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#define SIGTRAP 10
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#define SIGILL  11
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#define SIGEMT  12
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#define SIGALRM 13
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#define SIGBUS  14
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#define SIGLOST 15
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#define SIGSTOP 16
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#define SIGABRT 17
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#define SIGUSR1 18
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#define SIGUSR2 19
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#define NSIG    20
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#elif !defined(SIGTRAP)
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#define SIGHUP  1       /* hangup */
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#define SIGINT  2       /* interrupt */
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#define SIGQUIT 3       /* quit */
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#define SIGILL  4       /* illegal instruction (not reset when caught) */
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#define SIGTRAP 5       /* trace trap (not reset when caught) */
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#define SIGIOT  6       /* IOT instruction */
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#define SIGABRT 6       /* used by abort, replace SIGIOT in the future */
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#define SIGEMT  7       /* EMT instruction */
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#define SIGFPE  8       /* floating point exception */
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#define SIGKILL 9       /* kill (cannot be caught or ignored) */
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#define SIGBUS  10      /* bus error */
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#define SIGSEGV 11      /* segmentation violation */
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#define SIGSYS  12      /* bad argument to system call */
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#define SIGPIPE 13      /* write on a pipe with no one to read it */
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#define SIGALRM 14      /* alarm clock */
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#define SIGTERM 15      /* software termination signal from kill */
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#if defined(__rtems__)
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#define SIGURG  16      /* urgent condition on IO channel */
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#define SIGSTOP 17      /* sendable stop signal not from tty */
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#define SIGTSTP 18      /* stop signal from tty */
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#define SIGCONT 19      /* continue a stopped process */
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#define SIGCHLD 20      /* to parent on child stop or exit */
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#define SIGCLD  20      /* System V name for SIGCHLD */
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#define SIGTTIN 21      /* to readers pgrp upon background tty read */
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#define SIGTTOU 22      /* like TTIN for output if (tp->t_local&LTOSTOP) */
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#define SIGIO   23      /* input/output possible signal */
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#define SIGPOLL SIGIO   /* System V name for SIGIO */
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#define SIGWINCH 24     /* window changed */
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#define SIGUSR1 25      /* user defined signal 1 */
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#define SIGUSR2 26      /* user defined signal 2 */
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/* Real-Time Signals Range, P1003.1b-1993, p. 61
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   NOTE: By P1003.1b-1993, this should be at least RTSIG_MAX
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         (which is a minimum of 8) signals.
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 */
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#define SIGRTMIN 27
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#define SIGRTMAX 31
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#define __SIGFIRSTNOTRT SIGHUP
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#define __SIGLASTNOTRT  SIGUSR2
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#define NSIG    32      /* signal 0 implied */
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#elif defined(__svr4__)
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/* svr4 specifics. different signals above 15, and sigaction. */
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#define SIGUSR1 16
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#define SIGUSR2 17
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#define SIGCLD  18
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#define SIGPWR  19
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#define SIGWINCH 20
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#define SIGPOLL 22      /* 20 for x.out binaries!!!! */
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#define SIGSTOP 23      /* sendable stop signal not from tty */
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#define SIGTSTP 24      /* stop signal from tty */
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#define SIGCONT 25      /* continue a stopped process */
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#define SIGTTIN 26      /* to readers pgrp upon background tty read */
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#define SIGTTOU 27      /* like TTIN for output if (tp->t_local&LTOSTOP) */
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#define NSIG    28      
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#else
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#define SIGURG  16      /* urgent condition on IO channel */
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#define SIGSTOP 17      /* sendable stop signal not from tty */
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#define SIGTSTP 18      /* stop signal from tty */
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#define SIGCONT 19      /* continue a stopped process */
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#define SIGCHLD 20      /* to parent on child stop or exit */
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#define SIGCLD  20      /* System V name for SIGCHLD */
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#define SIGTTIN 21      /* to readers pgrp upon background tty read */
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#define SIGTTOU 22      /* like TTIN for output if (tp->t_local&LTOSTOP) */
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#define SIGIO   23      /* input/output possible signal */
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#define SIGPOLL SIGIO   /* System V name for SIGIO */
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#define SIGXCPU 24      /* exceeded CPU time limit */
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#define SIGXFSZ 25      /* exceeded file size limit */
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#define SIGVTALRM 26    /* virtual time alarm */
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#define SIGPROF 27      /* profiling time alarm */
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#define SIGWINCH 28     /* window changed */
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#define SIGLOST 29      /* resource lost (eg, record-lock lost) */
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#define SIGUSR1 30      /* user defined signal 1 */
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#define SIGUSR2 31      /* user defined signal 2 */
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#define NSIG    32      /* signal 0 implied */
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#endif
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#endif
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308
#ifdef __cplusplus
309
}
310
#endif
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#ifndef _SIGNAL_H_
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/* Some applications take advantage of the fact that <sys/signal.h>
314
 * and <signal.h> are equivalent in glibc.  Allow for that here.  */
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#include <signal.h>
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#endif
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#endif /* _SYS_SIGNAL_H */

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