/* sig.h -- header file for signal handler definitions. */
-/* Copyright (C) 1994 Free Software Foundation, Inc.
+/* Copyright (C) 1994-2013 Free Software Foundation, Inc.
This file is part of GNU Bash, the Bourne Again SHell.
- Bash is free software; you can redistribute it and/or modify it under
- the terms of the GNU General Public License as published by the Free
- Software Foundation; either version 2, or (at your option) any later
- version.
+ Bash is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
- Bash is distributed in the hope that it will be useful, but WITHOUT ANY
- WARRANTY; without even the implied warranty of MERCHANTABILITY or
- FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- for more details.
+ Bash is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
- You should have received a copy of the GNU General Public License along
- with Bash; see the file COPYING. If not, write to the Free Software
- Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+ You should have received a copy of the GNU General Public License
+ along with Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
/* Make sure that this is included *after* config.h! */
#include "stdc.h"
+#include <signal.h> /* for sig_atomic_t */
+
#if !defined (SIGABRT) && defined (SIGIOT)
# define SIGABRT SIGIOT
#endif
#define sighandler RETSIGTYPE
-typedef RETSIGTYPE SigHandler ();
+typedef RETSIGTYPE SigHandler __P((int));
#if defined (VOID_SIGHANDLER)
# define SIGRETURN(n) return
#if !defined (HAVE_POSIX_SIGNALS)
# define set_signal_handler(sig, handler) (SigHandler *)signal (sig, handler)
#else
-extern SigHandler *set_signal_handler (); /* in sig.c */
+extern SigHandler *set_signal_handler __P((int, SigHandler *)); /* in sig.c */
#endif /* _POSIX_VERSION */
-/* Definitions used by the job control code. */
-#if defined (JOB_CONTROL)
-
#if !defined (SIGCHLD) && defined (SIGCLD)
# define SIGCHLD SIGCLD
#endif
/* These definitions are used both in POSIX and non-POSIX implementations. */
#define BLOCK_SIGNAL(sig, nvar, ovar) \
+do { \
sigemptyset (&nvar); \
sigaddset (&nvar, sig); \
sigemptyset (&ovar); \
- sigprocmask (SIG_BLOCK, &nvar, &ovar)
+ sigprocmask (SIG_BLOCK, &nvar, &ovar); \
+} while (0)
+
+#define UNBLOCK_SIGNAL(ovar) sigprocmask (SIG_SETMASK, &ovar, (sigset_t *) NULL)
#if defined (HAVE_POSIX_SIGNALS)
-# define BLOCK_CHILD(nvar, ovar) \
- BLOCK_SIGNAL (SIGCHLD, nvar, ovar)
-# define UNBLOCK_CHILD(ovar) \
- sigprocmask (SIG_SETMASK, &ovar, (sigset_t *) NULL)
+# define BLOCK_CHILD(nvar, ovar) BLOCK_SIGNAL (SIGCHLD, nvar, ovar)
+# define UNBLOCK_CHILD(ovar) UNBLOCK_SIGNAL(ovar)
#else /* !HAVE_POSIX_SIGNALS */
# define BLOCK_CHILD(nvar, ovar) ovar = sigblock (sigmask (SIGCHLD))
# define UNBLOCK_CHILD(ovar) sigsetmask (ovar)
#endif /* !HAVE_POSIX_SIGNALS */
-#endif /* JOB_CONTROL */
+/* Extern variables */
+extern volatile sig_atomic_t sigwinch_received;
+extern volatile sig_atomic_t sigterm_received;
+
+extern int interrupt_immediately; /* no longer used */
+extern int terminate_immediately;
/* Functions from sig.c. */
-extern sighandler termination_unwind_protect __P((int));
+extern sighandler termsig_sighandler __P((int));
+extern void termsig_handler __P((int));
extern sighandler sigint_sighandler __P((int));
-extern void initialize_signals __P((void));
-extern void reinitialize_signals __P((void));
+extern void initialize_signals __P((int));
extern void initialize_terminating_signals __P((void));
extern void reset_terminating_signals __P((void));
+extern void top_level_cleanup __P((void));
extern void throw_to_top_level __P((void));
-extern void jump_to_top_level __P((int));
+extern void jump_to_top_level __P((int)) __attribute__((__noreturn__));
+
+extern sighandler sigwinch_sighandler __P((int));
+extern void set_sigwinch_handler __P((void));
+extern void unset_sigwinch_handler __P((void));
+
+extern sighandler sigterm_sighandler __P((int));
/* Functions defined in trap.c. */
extern SigHandler *set_sigint_handler __P((void));