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Feature test macros overhaul: signal.h (part 3) 

Notably, sigaction and friends are POSIX, but the form of sigpause
currently provided is BSD.

Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>
This commit is contained in:
Yaakov Selkowitz 2017-06-13 14:56:02 -05:00
parent c347bb6469
commit 8a3b3bb4d7
1 changed files with 16 additions and 8 deletions
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24
newlib/libc/include/sys/signal.h
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@ -152,13 +152,15 @@ typedef struct sigaltstack {
size_t ss_size; /* Stack size. */
} stack_t;
#if __POSIX_VISIBLE
#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 */
int _EXFUN(sigprocmask, (int how, const sigset_t *set, sigset_t *oset));
#endif
#if defined(_POSIX_THREADS)
#if __POSIX_VISIBLE >= 199506
int _EXFUN(pthread_sigmask, (int how, const sigset_t *set, sigset_t *oset));
#endif
@ -168,10 +170,14 @@ int _EXFUN(_kill, (pid_t, int));
#endif /* _COMPILING_NEWLIB */
#endif /* __CYGWIN__ || __rtems__ */
#if __POSIX_VISIBLE
int _EXFUN(kill, (pid_t, int));
#endif
#if __BSD_VISIBLE || __XSI_VISIBLE >= 4
int _EXFUN(killpg, (pid_t, int));
#endif
#if __POSIX_VISIBLE
int _EXFUN(sigaction, (int, const struct sigaction *, struct sigaction *));
int _EXFUN(sigaddset, (sigset_t *, const int));
int _EXFUN(sigdelset, (sigset_t *, const int));
@ -180,7 +186,7 @@ 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));
int _EXFUN(sigwait, (const sigset_t *set, int *sig));
#if !defined(__CYGWIN__) && !defined(__rtems__)
/* These depend upon the type of sigset_t, which right now
@ -192,17 +198,21 @@ int _EXFUN(sigpause, (int));
#define sigfillset(what) (*(what) = ~(0), 0)
#define sigismember(what,sig) (((*(what)) & (1<<(sig))) != 0)
#endif /* !__CYGWIN__ && !__rtems__ */
#endif /* __BSD_VISIBLE || __XSI_VISIBLE >= 4 */
#endif /* __POSIX_VISIBLE */
#if __BSD_VISIBLE
int _EXFUN(sigpause, (int));
#endif
#if __BSD_VISIBLE || __XSI_VISIBLE >= 4 || __POSIX_VISIBLE >= 200809
int _EXFUN(sigaltstack, (const stack_t *__restrict, stack_t *__restrict));
#endif
#if defined(_POSIX_THREADS)
#if __POSIX_VISIBLE >= 199506
int _EXFUN(pthread_kill, (pthread_t thread, int sig));
#endif
#if defined(_POSIX_REALTIME_SIGNALS)
#if __POSIX_VISIBLE >= 199309
/* 3.3.8 Synchronously Accept a Signal, P1003.1b-1993, p. 76
NOTE: P1003.1c/D10, p. 39 adds sigwait(). */
@ -211,12 +221,10 @@ 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 /* __POSIX_VISIBLE >= 199309 */
#if defined(___AM29K__)
/* These all need to be defined for ANSI C, but I don't think they are