diff options
Diffstat (limited to 'lib/readline/signals.c')
| -rw-r--r-- | lib/readline/signals.c | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/lib/readline/signals.c b/lib/readline/signals.c index f344ed8..54f2a64 100644 --- a/lib/readline/signals.c +++ b/lib/readline/signals.c @@ -160,6 +160,7 @@ rl_signal_handler (sig) rl_cleanup_after_signal (); #if defined (HAVE_POSIX_SIGNALS) + sigemptyset (&set); sigprocmask (SIG_BLOCK, (sigset_t *)NULL, &set); sigdelset (&set, sig); #else /* !HAVE_POSIX_SIGNALS */ @@ -288,9 +289,44 @@ rl_set_signals () { sighandler_cxt dummy; SigHandler *oh; +#if defined (HAVE_POSIX_SIGNALS) + static int sigmask_set = 0; + static sigset_t bset, oset; +#endif + +#if defined (HAVE_POSIX_SIGNALS) + if (rl_catch_signals && sigmask_set == 0) + { + sigemptyset (&bset); + + sigaddset (&bset, SIGINT); + sigaddset (&bset, SIGINT); +#if defined (SIGQUIT) + sigaddset (&bset, SIGQUIT); +#endif +#if defined (SIGALRM) + sigaddset (&bset, SIGALRM); +#endif +#if defined (SIGTSTP) + sigaddset (&bset, SIGTSTP); +#endif +#if defined (SIGTTIN) + sigaddset (&bset, SIGTTIN); +#endif +#if defined (SIGTTOU) + sigaddset (&bset, SIGTTOU); +#endif + sigmask_set = 1; + } +#endif /* HAVE_POSIX_SIGNALS */ if (rl_catch_signals && signals_set_flag == 0) { +#if defined (HAVE_POSIX_SIGNALS) + sigemptyset (&oset); + sigprocmask (SIG_BLOCK, &bset, &oset); +#endif + rl_maybe_set_sighandler (SIGINT, rl_signal_handler, &old_int); rl_maybe_set_sighandler (SIGTERM, rl_signal_handler, &old_term); #if defined (SIGQUIT) @@ -324,6 +360,10 @@ rl_set_signals () #endif /* SIGTTIN */ signals_set_flag = 1; + +#if defined (HAVE_POSIX_SIGNALS) + sigprocmask (SIG_SETMASK, &oset, (sigset_t *)NULL); +#endif } #if defined (SIGWINCH) @@ -390,8 +430,8 @@ rl_cleanup_after_signal () _rl_clean_up_for_exit (); if (rl_deprep_term_function) (*rl_deprep_term_function) (); - rl_clear_signals (); rl_clear_pending_input (); + rl_clear_signals (); } /* Reset the terminal and readline state after a signal handler returns. */ |