diff options
Diffstat (limited to 'src/keyboard.c')
| -rw-r--r-- | src/keyboard.c | 72 |
1 files changed, 48 insertions, 24 deletions
diff --git a/src/keyboard.c b/src/keyboard.c index 128f9280911..d26cf35e108 100644 --- a/src/keyboard.c +++ b/src/keyboard.c @@ -21,7 +21,6 @@ along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ #define KEYBOARD_INLINE EXTERN_INLINE -#include <signal.h> #include <stdio.h> #include <setjmp.h> #include "lisp.h" @@ -3680,7 +3679,7 @@ kbd_buffer_store_event_hold (register struct input_event *event, if (immediate_quit && NILP (Vinhibit_quit)) { immediate_quit = 0; - sigfree (); + pthread_sigmask (SIG_SETMASK, &empty_mask, 0); QUIT; } } @@ -3832,7 +3831,11 @@ kbd_buffer_get_event (KBOARD **kbp, unhold_keyboard_input (); #ifdef SIGIO if (!noninteractive) - signal (SIGIO, deliver_input_available_signal); + { + struct sigaction action; + emacs_sigaction_init (&action, deliver_input_available_signal); + sigaction (SIGIO, &action, 0); + } #endif /* SIGIO */ start_polling (); } @@ -6780,10 +6783,12 @@ gobble_input (int expected) #ifdef SIGIO if (interrupt_input) { - SIGMASKTYPE mask; - mask = sigblock (sigmask (SIGIO)); + sigset_t blocked, procmask; + sigemptyset (&blocked); + sigaddset (&blocked, SIGIO); + pthread_sigmask (SIG_BLOCK, &blocked, &procmask); read_avail_input (expected); - sigsetmask (mask); + pthread_sigmask (SIG_SETMASK, &procmask, 0); } else #ifdef POLL_FOR_INPUT @@ -6792,10 +6797,12 @@ gobble_input (int expected) it's always set. */ if (!interrupt_input && poll_suppress_count == 0) { - SIGMASKTYPE mask; - mask = sigblock (sigmask (SIGALRM)); + sigset_t blocked, procmask; + sigemptyset (&blocked); + sigaddset (&blocked, SIGALRM); + pthread_sigmask (SIG_BLOCK, &blocked, &procmask); read_avail_input (expected); - sigsetmask (mask); + pthread_sigmask (SIG_SETMASK, &procmask, 0); } else #endif @@ -6831,10 +6838,12 @@ record_asynch_buffer_change (void) #ifdef SIGIO if (interrupt_input) { - SIGMASKTYPE mask; - mask = sigblock (sigmask (SIGIO)); + sigset_t blocked, procmask; + sigemptyset (&blocked); + sigaddset (&blocked, SIGIO); + pthread_sigmask (SIG_BLOCK, &blocked, &procmask); kbd_buffer_store_event (&event); - sigsetmask (mask); + pthread_sigmask (SIG_SETMASK, &procmask, 0); } else #endif @@ -7295,6 +7304,7 @@ static struct user_signal_info *user_signals = NULL; void add_user_signal (int sig, const char *name) { + struct sigaction action; struct user_signal_info *p; for (p = user_signals; p; p = p->next) @@ -7309,7 +7319,8 @@ add_user_signal (int sig, const char *name) p->next = user_signals; user_signals = p; - signal (sig, deliver_user_signal); + emacs_sigaction_init (&action, deliver_user_signal); + sigaction (sig, &action, 0); } static void @@ -7381,7 +7392,7 @@ store_user_signal_events (void) for (p = user_signals; p; p = p->next) if (p->npending > 0) { - SIGMASKTYPE mask; + sigset_t blocked, procmask; if (nstored == 0) { @@ -7391,7 +7402,10 @@ store_user_signal_events (void) } nstored += p->npending; - mask = sigblock (sigmask (p->sig)); + sigemptyset (&blocked); + sigaddset (&blocked, p->sig); + pthread_sigmask (SIG_BLOCK, &blocked, &procmask); + do { buf.code = p->sig; @@ -7399,7 +7413,8 @@ store_user_signal_events (void) p->npending--; } while (p->npending > 0); - sigsetmask (mask); + + pthread_sigmask (SIG_SETMASK, &procmask, 0); } return nstored; @@ -10838,7 +10853,10 @@ handle_interrupt (void) /* If SIGINT isn't blocked, don't let us be interrupted by another SIGINT, it might be harmful due to non-reentrancy in I/O functions. */ - sigblock (sigmask (SIGINT)); + sigset_t blocked; + sigemptyset (&blocked); + sigaddset (&blocked, SIGINT); + pthread_sigmask (SIG_BLOCK, &blocked, 0); fflush (stdout); reset_all_sys_modes (); @@ -10909,7 +10927,7 @@ handle_interrupt (void) #endif /* not MSDOS */ fflush (stdout); init_all_sys_modes (); - sigfree (); + pthread_sigmask (SIG_SETMASK, &empty_mask, 0); } else { @@ -10922,7 +10940,7 @@ handle_interrupt (void) struct gcpro gcpro1, gcpro2, gcpro3, gcpro4; immediate_quit = 0; - sigfree (); + pthread_sigmask (SIG_SETMASK, &empty_mask, 0); saved = gl_state; GCPRO4 (saved.object, saved.global_code, saved.current_syntax_table, saved.old_prop); @@ -10967,7 +10985,7 @@ quit_throw_to_read_char (int from_signal) if (!from_signal && EQ (Vquit_flag, Qkill_emacs)) Fkill_emacs (Qnil); - sigfree (); + pthread_sigmask (SIG_SETMASK, &empty_mask, 0); /* Prevent another signal from doing this before we finish. */ clear_waiting_for_input (); input_pending = 0; @@ -11402,17 +11420,23 @@ init_keyboard (void) SIGINT. There is special code in interrupt_signal to exit Emacs on SIGINT when there are no termcap frames on the controlling terminal. */ - signal (SIGINT, deliver_interrupt_signal); + struct sigaction action; + emacs_sigaction_init (&action, deliver_interrupt_signal); + sigaction (SIGINT, &action, 0); #ifndef DOS_NT /* For systems with SysV TERMIO, C-g is set up for both SIGINT and SIGQUIT and we can't tell which one it will give us. */ - signal (SIGQUIT, deliver_interrupt_signal); + sigaction (SIGQUIT, &action, 0); #endif /* not DOS_NT */ } /* Note SIGIO has been undef'd if FIONREAD is missing. */ #ifdef SIGIO if (!noninteractive) - signal (SIGIO, deliver_input_available_signal); + { + struct sigaction action; + emacs_sigaction_init (&action, deliver_input_available_signal); + sigaction (SIGIO, &action, 0); + } #endif /* SIGIO */ /* Use interrupt input by default, if it works and noninterrupt input @@ -11424,7 +11448,7 @@ init_keyboard (void) interrupt_input = 0; #endif - sigfree (); + pthread_sigmask (SIG_SETMASK, &empty_mask, 0); dribble = 0; if (keyboard_init_hook) |