diff options
Diffstat (limited to 'Src/signals.c')
| -rw-r--r-- | Src/signals.c | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/Src/signals.c b/Src/signals.c index 723b121a8..4bc1de016 100644 --- a/Src/signals.c +++ b/Src/signals.c @@ -342,29 +342,38 @@ static signal_jmp_buf suspend_jmp_buf; /**/ int -signal_suspend(UNUSED(int sig)) +signal_suspend(UNUSED(int sig), int wait_cmd) { int ret; - -#ifdef POSIX_SIGNALS + +#if defined(POSIX_SIGNALS) || defined(BSD_SIGNALS) sigset_t set; -#ifdef BROKEN_POSIX_SIGSUSPEND +# if defined(POSIX_SIGNALS) && defined(BROKEN_POSIX_SIGSUSPEND) sigset_t oset; -#endif /* BROKEN_POSIX_SIGSUSPEND */ +# endif sigemptyset(&set); -#ifdef BROKEN_POSIX_SIGSUSPEND + + /* SIGINT from the terminal driver needs to interrupt "wait" + * and to cause traps to fire, but otherwise should not be + * handled by the shell until after any foreground job has + * a chance to decide whether to exit on that signal. + */ + if (!(wait_cmd || isset(TRAPSASYNC) || + (sigtrapped[SIGINT] & ~ZSIG_IGNORED))) + sigaddset(&set, SIGINT); +#endif /* POSIX_SIGNALS || BSD_SIGNALS */ + +#ifdef POSIX_SIGNALS +# ifdef BROKEN_POSIX_SIGSUSPEND sigprocmask(SIG_SETMASK, &set, &oset); pause(); sigprocmask(SIG_SETMASK, &oset, NULL); -#else /* not BROKEN_POSIX_SIGSUSPEND */ +# else /* not BROKEN_POSIX_SIGSUSPEND */ ret = sigsuspend(&set); -#endif /* BROKEN_POSIX_SIGSUSPEND */ +# endif /* BROKEN_POSIX_SIGSUSPEND */ #else /* not POSIX_SIGNALS */ # ifdef BSD_SIGNALS - sigset_t set; - - sigemptyset(&set); ret = sigpause(set); # else # ifdef SYSV_SIGNALS |