[NaCl SDK] Remove sys/signal.h from newlib-extras

native_client_sdk/src/libraries/third_party/newlib-extras/sys/signal.h

-/* sys/signal.h */
-
-#ifndef _SYS_SIGNAL_H
-#define _SYS_SIGNAL_H
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#include "_ansi.h"
-#include <sys/features.h>
-#include <sys/types.h>
-
-/* #ifndef __STRICT_ANSI__*/
-
-/* Cygwin defines it's own sigset_t in include/cygwin/signal.h */
-#ifndef __CYGWIN__
-typedef unsigned long sigset_t;
-#endif
-
-#if defined(__rtems__) || defined (__native_client__)
-
-#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
- *      their argument although the POSIX standard does not require this.
- *      This is not longer true since at least POSIX.1-2008
- *  (2) The fields sa_handler and sa_sigaction may overlap, and a conforming
- *      application should not use both simultaneously.
- */
-
-typedef void (*_sig_func_ptr)(int);
-
-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
-
-#elif defined(__CYGWIN__)
-#include <cygwin/signal.h>
-#else
-#define SA_NOCLDSTOP 1  /* only value supported now for sa_flags */
-
-typedef void (*_sig_func_ptr)(int);
-
-struct sigaction 
-{
-        _sig_func_ptr sa_handler;
-        sigset_t sa_mask;
-        int sa_flags;
-};
-#endif /* defined(__rtems__) || defined(__native_client__) */
-
-#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)), 0)
-#define sigdelset(what,sig) (*(what) &= ~(1<<(sig)), 0)
-#define sigemptyset(what)   (*(what) = 0, 0)
-#define sigfillset(what)    (*(what) = ~(0), 0)
-#define sigismember(what,sig) (((*(what)) & (1<<(sig))) != 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__) || defined(__native_client__)
-#undef sigaddset
-#undef sigdelset
-#undef sigemptyset
-#undef sigfillset
-#undef sigismember
-
-#ifdef _COMPILING_NEWLIB
-int _EXFUN(_kill, (pid_t, int));
-#endif
-int _EXFUN(kill, (pid_t, 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) && !defined(__native_client__)
-#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(SIGTRAP)
-#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 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&LTOSTOP) */
-#define SIGIO   23      /* input/output possible signal */
-#define SIGPOLL SIGIO   /* System V name for SIGIO */
-#define SIGWINCH 24     /* window changed */
-#define SIGUSR1 25      /* user defined signal 1 */
-#define SIGUSR2 26      /* user defined signal 2 */
-
-/* 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 27
-#define SIGRTMAX 31
-#define __SIGFIRSTNOTRT SIGHUP
-#define __SIGLASTNOTRT  SIGUSR2
-
-#define NSIG    32      /* signal 0 implied */
-
-#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&LTOSTOP) */
-#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&LTOSTOP) */
-#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
-
-#ifndef _SIGNAL_H_
-/* Some applications take advantage of the fact that <sys/signal.h>
- * and <signal.h> are equivalent in glibc.  Allow for that here.  */
-#include <signal.h>
-#endif
-#endif /* _SYS_SIGNAL_H */