libc: update to a recent newlib version.
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Our Air Quality
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cd23acaa4a
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77 changed files with 4496 additions and 9989 deletions
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@ -7,19 +7,22 @@ extern "C" {
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#endif
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#include "_ansi.h"
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#include <sys/cdefs.h>
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#include <sys/features.h>
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#include <sys/types.h>
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#include <sys/_sigset.h>
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#include <sys/_timespec.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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#if !defined(_SIGSET_T_DECLARED)
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#define _SIGSET_T_DECLARED
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typedef __sigset_t sigset_t;
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#endif
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#if defined(__rtems__)
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#if defined(__CYGWIN__)
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#include <cygwin/signal.h>
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#else
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#if defined(_POSIX_REALTIME_SIGNALS)
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#if defined(_POSIX_REALTIME_SIGNALS) || __POSIX_VISIBLE >= 199309
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/* sigev_notify values
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NOTE: P1003.1c/D10, p. 34 adds SIGEV_THREAD. */
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@ -67,14 +70,16 @@ typedef struct {
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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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#endif /* defined(_POSIX_REALTIME_SIGNALS) || __POSIX_VISIBLE >= 199309 */
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#if defined(__rtems__)
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/* 3.3.8 Synchronously Accept a Signal, P1003.1b-1993, p. 76 */
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#define SA_NOCLDSTOP 0x1 /* Do not generate SIGCHLD when children stop */
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#define SA_SIGINFO 0x2 /* Invoke the signal catching function with */
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/* three arguments instead of one. */
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#if __BSD_VISIBLE || __XSI_VISIBLE || __POSIX_VISIBLE >= 200112
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#if __BSD_VISIBLE || __XSI_VISIBLE >= 4 || __POSIX_VISIBLE >= 200809
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#define SA_ONSTACK 0x4 /* Signal delivery will be on a separate stack. */
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#endif
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@ -107,7 +112,22 @@ struct sigaction {
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#define sa_sigaction _signal_handlers._sigaction
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#endif
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#if __BSD_VISIBLE || __XSI_VISIBLE || __POSIX_VISIBLE >= 200112
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#else /* defined(__rtems__) */
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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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#endif /* defined(__CYGWIN__) */
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#if __BSD_VISIBLE || __XSI_VISIBLE >= 4 || __POSIX_VISIBLE >= 200809
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/*
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* Minimum and default signal stack constants. Allow for target overrides
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* from <sys/features.h>.
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@ -125,6 +145,8 @@ struct sigaction {
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#define SS_ONSTACK 0x1
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#define SS_DISABLE 0x2
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#endif
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/*
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* Structure used in sigaltstack call.
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*/
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@ -133,58 +155,33 @@ typedef struct sigaltstack {
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int ss_flags; /* Flags. */
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size_t ss_size; /* Stack size. */
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} stack_t;
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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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#if __POSIX_VISIBLE
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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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#endif
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#if defined(_POSIX_THREADS)
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#if __POSIX_VISIBLE >= 199506
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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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#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 /* _COMPILING_NEWLIB */
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#endif /* __CYGWIN__ || __rtems__ */
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#if defined(__CYGWIN__) || defined(__rtems__) || defined(__SPU__)
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#if __POSIX_VISIBLE
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int _EXFUN(kill, (pid_t, int));
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#endif /* __CYGWIN__ || __rtems__ || __SPU__ */
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#if defined(__CYGWIN__) || defined(__rtems__)
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#endif
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#if __BSD_VISIBLE || __XSI_VISIBLE >= 4
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int _EXFUN(killpg, (pid_t, int));
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#endif
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#if __POSIX_VISIBLE
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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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@ -193,24 +190,45 @@ 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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int _EXFUN(sigwait, (const sigset_t *set, int *sig));
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#ifdef __rtems__
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#if __BSD_VISIBLE || __XSI_VISIBLE || __POSIX_VISIBLE >= 200112
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#if !defined(__CYGWIN__) && !defined(__rtems__)
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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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#endif /* !__CYGWIN__ && !__rtems__ */
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#endif /* __POSIX_VISIBLE */
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/* There are two common sigpause variants, both of which take an int argument.
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If you request _XOPEN_SOURCE or _GNU_SOURCE, you get the System V version,
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which removes the given signal from the process's signal mask; otherwise
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you get the BSD version, which sets the process's signal mask to the given
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value. */
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#if __XSI_VISIBLE && !defined(__INSIDE_CYGWIN__)
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# ifdef __GNUC__
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int _EXFUN(sigpause, (int)) __asm__ (__ASMNAME ("__xpg_sigpause"));
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# else
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int _EXFUN(__xpg_sigpause, (int));
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# define sigpause __xpg_sigpause
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# endif
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#elif __BSD_VISIBLE
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int _EXFUN(sigpause, (int));
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#endif
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#if __BSD_VISIBLE || __XSI_VISIBLE >= 4 || __POSIX_VISIBLE >= 200809
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int _EXFUN(sigaltstack, (const stack_t *__restrict, stack_t *__restrict));
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#endif
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#endif
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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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#if __POSIX_VISIBLE >= 199506
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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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#if __POSIX_VISIBLE >= 199309
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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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@ -219,16 +237,10 @@ 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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#endif /* __POSIX_VISIBLE >= 199309 */
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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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@ -349,6 +361,12 @@ int _EXFUN(sigqueue, (pid_t pid, int signo, const union sigval value));
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}
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#endif
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#if defined(__CYGWIN__)
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#if __XSI_VISIBLE >= 4 || __POSIX_VISIBLE >= 200809
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#include <sys/ucontext.h>
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#endif
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#endif
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#ifndef _SIGNAL_H_
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/* Some applications take advantage of the fact that <sys/signal.h>
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* and <signal.h> are equivalent in glibc. Allow for that here. */
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