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Bash-4.4 distribution sources and documentation

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This commit is contained in:
Chet Ramey 2016-09-15 16:59:08 -04:00
commit a0c0a00fc4
588 changed files with 130746 additions and 80164 deletions
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39
lib/readline/signals.c
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@ -1,6 +1,6 @@
/* signals.c -- signal handling support for readline. */
/* Copyright (C) 1987-2011 Free Software Foundation, Inc.
/* Copyright (C) 1987-2016 Free Software Foundation, Inc.
This file is part of the GNU Readline Library (Readline), a library
for reading lines of text with interactive input and history editing.
@ -213,15 +213,31 @@ _rl_handle_signal (sig)
case SIGINT:
_rl_reset_completion_state ();
rl_free_line_state ();
#if defined (READLINE_CALLBACKS)
rl_callback_sigcleanup ();
#endif
/* FALLTHROUGH */
case SIGTERM:
case SIGHUP:
#if defined (SIGTSTP)
case SIGTSTP:
case SIGTTOU:
case SIGTTIN:
# if defined (HAVE_POSIX_SIGNALS)
/* Block SIGTTOU so we can restore the terminal settings to something
sane without stopping on SIGTTOU if we have been placed into the
background. Even trying to get the current terminal pgrp with
tcgetpgrp() will generate SIGTTOU, so we don't bother. Don't bother
doing this if we've been stopped on SIGTTOU; it's aready too late. */
sigemptyset (&set);
sigaddset (&set, SIGTTOU);
sigprocmask (SIG_BLOCK, &set, (sigset_t *)NULL);
# endif
case SIGTTOU:
#endif /* SIGTSTP */
case SIGTERM:
#if defined (SIGHUP)
case SIGHUP:
#endif
#if defined (SIGALRM)
case SIGALRM:
#endif
@ -232,6 +248,10 @@ _rl_handle_signal (sig)
rl_cleanup_after_signal ();
#if defined (HAVE_POSIX_SIGNALS)
/* Unblock SIGTTOU blocked above */
if (sig == SIGTTIN || sig == SIGTSTP)
sigprocmask (SIG_UNBLOCK, &set, (sigset_t *)NULL);
sigemptyset (&set);
sigprocmask (SIG_BLOCK, (sigset_t *)NULL, &set);
sigdelset (&set, sig);
@ -397,7 +417,9 @@ rl_set_signals ()
sigaddset (&bset, SIGINT);
sigaddset (&bset, SIGTERM);
#if defined (SIGHUP)
sigaddset (&bset, SIGHUP);
#endif
#if defined (SIGQUIT)
sigaddset (&bset, SIGQUIT);
#endif
@ -426,7 +448,9 @@ 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 (SIGHUP)
rl_maybe_set_sighandler (SIGHUP, rl_signal_handler, &old_hup);
#endif
#if defined (SIGQUIT)
rl_maybe_set_sighandler (SIGQUIT, rl_signal_handler, &old_quit);
#endif
@ -491,7 +515,9 @@ rl_clear_signals ()
overhead */
rl_maybe_restore_sighandler (SIGINT, &old_int);
rl_maybe_restore_sighandler (SIGTERM, &old_term);
#if defined (SIGHUP)
rl_maybe_restore_sighandler (SIGHUP, &old_hup);
#endif
#if defined (SIGQUIT)
rl_maybe_restore_sighandler (SIGQUIT, &old_quit);
#endif
@ -567,6 +593,11 @@ rl_free_line_state ()
_rl_reset_argument ();
}
int
rl_pending_signal ()
{
return (_rl_caught_signal);
}
#endif /* HANDLE_SIGNALS */
/* **************************************************************** */