diff options
Diffstat (limited to 'src/sysdep.c')
| -rw-r--r-- | src/sysdep.c | 30 |
1 files changed, 4 insertions, 26 deletions
diff --git a/src/sysdep.c b/src/sysdep.c index 9c904850401..5291c5d59aa 100644 --- a/src/sysdep.c +++ b/src/sysdep.c @@ -457,20 +457,15 @@ static void restore_signal_handlers (struct save_signal *); void sys_suspend (void) { -#if defined (SIGTSTP) && !defined (MSDOS) - - { - pid_t pgrp = getpgrp (); - EMACS_KILLPG (pgrp, SIGTSTP); - } - -#else /* No SIGTSTP */ +#ifndef DOS_NT + kill (0, SIGTSTP); +#else /* On a system where suspending is not implemented, instead fork a subshell and let it talk directly to the terminal while we wait. */ sys_subshell (); -#endif /* no SIGTSTP */ +#endif } /* Fork a subshell. */ @@ -1518,9 +1513,7 @@ emacs_sigaction_init (struct sigaction *action, signal_handler_t handler) /* When handling a signal, block nonfatal system signals that are caught by Emacs. This makes race conditions less likely. */ sigaddset (&action->sa_mask, SIGALRM); -#ifdef SIGCHLD sigaddset (&action->sa_mask, SIGCHLD); -#endif #ifdef SIGDANGER sigaddset (&action->sa_mask, SIGDANGER); #endif @@ -1700,18 +1693,11 @@ init_signals (bool dumping) # ifdef SIGAIO sys_siglist[SIGAIO] = "LAN I/O interrupt"; # endif -# ifdef SIGALRM sys_siglist[SIGALRM] = "Alarm clock"; -# endif # ifdef SIGBUS sys_siglist[SIGBUS] = "Bus error"; # endif -# ifdef SIGCLD - sys_siglist[SIGCLD] = "Child status changed"; -# endif -# ifdef SIGCHLD sys_siglist[SIGCHLD] = "Child status changed"; -# endif # ifdef SIGCONT sys_siglist[SIGCONT] = "Continued"; # endif @@ -1731,9 +1717,7 @@ init_signals (bool dumping) # ifdef SIGGRANT sys_siglist[SIGGRANT] = "Monitor mode granted"; # endif -# ifdef SIGHUP sys_siglist[SIGHUP] = "Hangup"; -# endif sys_siglist[SIGILL] = "Illegal instruction"; sys_siglist[SIGINT] = "Interrupt"; # ifdef SIGIO @@ -1745,9 +1729,7 @@ init_signals (bool dumping) # ifdef SIGIOT sys_siglist[SIGIOT] = "IOT trap"; # endif -# ifdef SIGKILL sys_siglist[SIGKILL] = "Killed"; -# endif # ifdef SIGLOST sys_siglist[SIGLOST] = "Resource lost"; # endif @@ -1760,9 +1742,7 @@ init_signals (bool dumping) # ifdef SIGPHONE sys_siglist[SIGWIND] = "SIGPHONE"; # endif -# ifdef SIGPIPE sys_siglist[SIGPIPE] = "Broken pipe"; -# endif # ifdef SIGPOLL sys_siglist[SIGPOLL] = "Pollable event occurred"; # endif @@ -1775,9 +1755,7 @@ init_signals (bool dumping) # ifdef SIGPWR sys_siglist[SIGPWR] = "Power-fail restart"; # endif -# ifdef SIGQUIT sys_siglist[SIGQUIT] = "Quit"; -# endif # ifdef SIGRETRACT sys_siglist[SIGRETRACT] = "Need to relinquish monitor mode"; # endif |