+/****************************************************************************
+ * Copyright (c) 1998 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+ * copy of this software and associated documentation files (the *
+ * "Software"), to deal in the Software without restriction, including *
+ * without limitation the rights to use, copy, modify, merge, publish, *
+ * distribute, distribute with modifications, sublicense, and/or sell *
+ * copies of the Software, and to permit persons to whom the Software is *
+ * furnished to do so, subject to the following conditions: *
+ * *
+ * The above copyright notice and this permission notice shall be included *
+ * in all copies or substantial portions of the Software. *
+ * *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
+ * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
+ * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
+ * *
+ * Except as contained in this notice, the name(s) of the above copyright *
+ * holders shall not be used in advertising or otherwise to promote the *
+ * sale, use or other dealings in this Software without prior written *
+ * authorization. *
+ ****************************************************************************/
-/***************************************************************************
-* COPYRIGHT NOTICE *
-****************************************************************************
-* ncurses is copyright (C) 1992-1995 *
-* Zeyd M. Ben-Halim *
-* zmbenhal@netcom.com *
-* Eric S. Raymond *
-* esr@snark.thyrsus.com *
-* *
-* Permission is hereby granted to reproduce and distribute ncurses *
-* by any means and for any fee, whether alone or as part of a *
-* larger distribution, in source or in binary form, PROVIDED *
-* this notice is included with any such distribution, and is not *
-* removed from any of its header files. Mention of ncurses in any *
-* applications linked with it is highly appreciated. *
-* *
-* ncurses comes AS IS with no warranty, implied or expressed. *
-* *
-***************************************************************************/
+/****************************************************************************
+ * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
+ * and: Eric S. Raymond <esr@snark.thyrsus.com> *
+ ****************************************************************************/
/*
#include <curses.priv.h>
#include <signal.h>
-
-#if HAVE_SIGACTION
-#if !HAVE_TYPE_SIGACTION
-typedef struct sigaction sigaction_t;
-#endif
-#else /* !HAVE_SIGACTION */
-#if HAVE_SIGVEC
#include <SigAction.h>
-#endif
-#endif
-#ifdef SVR4_ACTION
+#if defined(SVR4_ACTION) && !defined(_POSIX_SOURCE)
#define _POSIX_SOURCE
#endif
-MODULE_ID("$Id: lib_tstp.c,v 1.8 1996/11/17 00:11:41 tom Exp $")
+MODULE_ID("$Id: lib_tstp.c,v 1.15 1998/02/11 12:13:57 tom Exp $")
/*
* Note: This code is fragile! Its problem is that different OSs
*/
(void)sigemptyset(&mask);
(void)sigaddset(&mask, SIGALRM);
-#ifdef SIGWINCH
+#if USE_SIGWINCH
(void)sigaddset(&mask, SIGWINCH);
#endif
(void)sigprocmask(SIG_BLOCK, &mask, &omask);
sigemptyset(&act.sa_mask);
act.sa_flags = 0;
act.sa_handler = SIG_IGN;
- if (sigaction(sig, &act, (sigaction_t *)0) == 0) {
- endwin();
- }
+ if (sigaction(sig, &act, (sigaction_t *)0) == 0)
#else
- if (signal(sig, SIG_IGN) != SIG_ERR) {
+ if (signal(sig, SIG_IGN) != SIG_ERR)
+#endif
+ {
+ SCREEN *scan = _nc_screen_chain;
+ while(scan)
+ {
+ set_term(scan);
endwin();
+ SP->_endwin = FALSE; /* in case we have an atexit! */
+ scan = scan->_next_screen;
+ }
}
-#endif
}
exit(EXIT_FAILURE);
}
+#if USE_SIGWINCH
+static void sigwinch(int sig GCC_UNUSED)
+{
+ SCREEN *scan = _nc_screen_chain;
+ while(scan)
+ {
+ scan->_sig_winch = TRUE;
+ scan = scan->_next_screen;
+ }
+}
+#endif /* USE_SIGWINCH */
+
/*
* If the given signal is still in its default state, set it to the given
* handler.
{
sigaction_t old_act;
-#ifdef SA_RESTART
- act->sa_flags |= SA_RESTART;
-#endif /* SA_RESTART */
if (sigaction(sig, (sigaction_t *)0, &old_act) == 0
- && old_act.sa_handler == SIG_DFL) {
+ && (old_act.sa_handler == SIG_DFL
+#if USE_SIGWINCH
+ || (sig == SIGWINCH && old_act.sa_handler == SIG_IGN)
+#endif
+ )) {
(void)sigaction(sig, act, (sigaction_t *)0);
return TRUE;
}
void (*ohandler)();
ohandler = signal(sig, SIG_IGN);
- if (ohandler == SIG_DFL) {
+ if (ohandler == SIG_DFL
+#if USE_SIGWINCH
+ || (sig == SIGWINCH && ohandler == SIG_IGN)
+#endif
+ ) {
signal(sig, handler);
return TRUE;
} else {
{
sigemptyset(&act.sa_mask);
act.sa_flags = 0;
+#if USE_SIGWINCH
+ act.sa_handler = sigwinch;
+ CatchIfDefault(SIGWINCH, &act);
+#endif
+
#ifdef SA_RESTART
act.sa_flags |= SA_RESTART;
#endif /* SA_RESTART */
-
act.sa_handler = cleanup;
CatchIfDefault(SIGINT, &act);
CatchIfDefault(SIGTERM, &act);
ignore = TRUE;
}
}
-#else
+#else /* !SIGTSTP */
if (enable)
{
#if HAVE_SIGACTION || HAVE_SIGVEC
static sigaction_t act;
+ sigemptyset(&act.sa_mask);
+#if USE_SIGWINCH
+ act.sa_handler = sigwinch;
+ CatchIfDefault(SIGWINCH, &act);
+#endif
+#ifdef SA_RESTART
+ act.sa_flags |= SA_RESTART;
+#endif /* SA_RESTART */
act.sa_handler = cleanup;
CatchIfDefault(SIGINT, &act);
CatchIfDefault(SIGTERM, &act);
-#else
+
+#else /* !(HAVE_SIGACTION || HAVE_SIGVEC) */
+
CatchIfDefault(SIGINT, cleanup);
CatchIfDefault(SIGTERM, cleanup);
+#if USE_SIGWINCH
+ CatchIfDefault(SIGWINCH, sigwinch);
#endif
+#endif /* !(HAVE_SIGACTION || HAVE_SIGVEC) */
}
-#endif
+#endif /* !SIGTSTP */
}
projects / ncurses.git / blobdiff