Imported from ../bash-3.1.tar.gz.

[platform/upstream/bash.git] / lib / readline / signals.c

diff --git a/lib/readline/signals.c b/lib/readline/signals.c
index 8e9c0ae..f344ed8 100644 (file)
--- a/lib/readline/signals.c
+++ b/lib/readline/signals.c
@@ -1,6 +1,6 @@
 /* signals.c -- signal handling support for readline. */
 
-/* Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc.
+/* Copyright (C) 1987-2005 Free Software Foundation, Inc.
 
    This file is part of the GNU Readline Library, a library for
    reading lines of text with interactive input and history editing.
@@ -131,7 +131,11 @@ rl_signal_handler (sig)
 #if !defined (HAVE_BSD_SIGNALS) && !defined (HAVE_POSIX_SIGNALS)
   /* Since the signal will not be blocked while we are in the signal
      handler, ignore it until rl_clear_signals resets the catcher. */
+#  if defined (SIGALRM)
   if (sig == SIGINT || sig == SIGALRM)
+#  else
+  if (sig == SIGINT)
+#  endif
     rl_set_sighandler (sig, SIG_IGN, &dummy_cxt);
 #endif /* !HAVE_BSD_SIGNALS && !HAVE_POSIX_SIGNALS */
 
@@ -141,14 +145,18 @@ rl_signal_handler (sig)
       rl_free_line_state ();
       /* FALLTHROUGH */
 
+    case SIGTERM:
 #if defined (SIGTSTP)
     case SIGTSTP:
     case SIGTTOU:
     case SIGTTIN:
 #endif /* SIGTSTP */
+#if defined (SIGALRM)
     case SIGALRM:
-    case SIGTERM:
+#endif
+#if defined (SIGQUIT)
     case SIGQUIT:
+#endif
       rl_cleanup_after_signal ();
 
 #if defined (HAVE_POSIX_SIGNALS)
@@ -164,7 +172,11 @@ rl_signal_handler (sig)
       signal (sig, SIG_ACK);
 #endif
 
+#if defined (HAVE_KILL)
       kill (getpid (), sig);
+#else
+      raise (sig);             /* assume we have raise */
+#endif
 
       /* Let the signal that we just sent through.  */
 #if defined (HAVE_POSIX_SIGNALS)
@@ -281,8 +293,11 @@ rl_set_signals ()
     {
       rl_maybe_set_sighandler (SIGINT, rl_signal_handler, &old_int);
       rl_maybe_set_sighandler (SIGTERM, rl_signal_handler, &old_term);
+#if defined (SIGQUIT)
       rl_maybe_set_sighandler (SIGQUIT, rl_signal_handler, &old_quit);
+#endif
 
+#if defined (SIGALRM)
       oh = rl_set_sighandler (SIGALRM, rl_signal_handler, &old_alrm);
       if (oh == (SigHandler *)SIG_IGN)
        rl_sigaction (SIGALRM, &old_alrm, &dummy);
@@ -294,6 +309,7 @@ rl_set_signals ()
       if (oh != (SigHandler *)SIG_DFL && (old_alrm.sa_flags & SA_RESTART))
        rl_sigaction (SIGALRM, &old_alrm, &dummy);
 #endif /* HAVE_POSIX_SIGNALS */
+#endif /* SIGALRM */
 
 #if defined (SIGTSTP)
       rl_maybe_set_sighandler (SIGTSTP, rl_signal_handler, &old_tstp);
@@ -332,8 +348,12 @@ rl_clear_signals ()
 
       rl_sigaction (SIGINT, &old_int, &dummy);
       rl_sigaction (SIGTERM, &old_term, &dummy);
+#if defined (SIGQUIT)
       rl_sigaction (SIGQUIT, &old_quit, &dummy);
+#endif
+#if defined (SIGALRM)
       rl_sigaction (SIGALRM, &old_alrm, &dummy);
+#endif
 
 #if defined (SIGTSTP)
       rl_sigaction (SIGTSTP, &old_tstp, &dummy);
@@ -368,7 +388,8 @@ void
 rl_cleanup_after_signal ()
 {
   _rl_clean_up_for_exit ();
-  (*rl_deprep_term_function) ();
+  if (rl_deprep_term_function)
+    (*rl_deprep_term_function) ();
   rl_clear_signals ();
   rl_clear_pending_input ();
 }
@@ -377,7 +398,8 @@ rl_cleanup_after_signal ()
 void
 rl_reset_after_signal ()
 {
-  (*rl_prep_term_function) (_rl_meta_flag);
+  if (rl_prep_term_function)
+    (*rl_prep_term_function) (_rl_meta_flag);
   rl_set_signals ();
 }
 
@@ -398,7 +420,7 @@ rl_free_line_state ()
 
   _rl_kill_kbd_macro ();
   rl_clear_message ();
-  _rl_init_argument ();
+  _rl_reset_argument ();
 }
 
 #endif  /* HANDLE_SIGNALS */