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authorSteve Kondik <shade@chemlab.org>2012-11-18 15:47:18 -0800
committerSteve Kondik <shade@chemlab.org>2012-11-18 15:47:18 -0800
commita546c7006355a7bd1df4267ee53d0bfa2c017c8c (patch)
tree01be0bf6c0d6968e1468ec9661fd52110f9b05a7 /distrib/sdl-1.2.15/src/events/SDL_quit.c
parentbaf3d7830396202df5cc47bd7bcee109c319cdb3 (diff)
parent0f809250987b64f491bd3b4b73c0f0d33036a786 (diff)
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external_qemu-a546c7006355a7bd1df4267ee53d0bfa2c017c8c.tar.gz
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Merge branch 'jb-mr1-release' of https://android.googlesource.com/platform/external/qemu into mr1-staging
Change-Id: I8a4a71ac65b08e6e17f26c942f67a15b85211115
Diffstat (limited to 'distrib/sdl-1.2.15/src/events/SDL_quit.c')
-rw-r--r--distrib/sdl-1.2.15/src/events/SDL_quit.c124
1 files changed, 124 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.15/src/events/SDL_quit.c b/distrib/sdl-1.2.15/src/events/SDL_quit.c
new file mode 100644
index 0000000..2e6c56e
--- /dev/null
+++ b/distrib/sdl-1.2.15/src/events/SDL_quit.c
@@ -0,0 +1,124 @@
+/*
+ SDL - Simple DirectMedia Layer
+ Copyright (C) 1997-2012 Sam Lantinga
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ This library 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+ Sam Lantinga
+ slouken@libsdl.org
+*/
+#include "SDL_config.h"
+
+/* General quit handling code for SDL */
+
+#ifdef HAVE_SIGNAL_H
+#include <signal.h>
+#endif
+
+#include "SDL_events.h"
+#include "SDL_events_c.h"
+
+
+#ifdef HAVE_SIGNAL_H
+static void SDL_HandleSIG(int sig)
+{
+ /* Reset the signal handler */
+ signal(sig, SDL_HandleSIG);
+
+ /* Signal a quit interrupt */
+ SDL_PrivateQuit();
+}
+#endif /* HAVE_SIGNAL_H */
+
+/* Public functions */
+int SDL_QuitInit(void)
+{
+#ifdef HAVE_SIGACTION
+ struct sigaction action;
+ sigaction(SIGINT, NULL, &action);
+# ifdef HAVE_SA_SIGACTION
+ if ( action.sa_handler == SIG_DFL && action.sa_sigaction == (void*)SIG_DFL ) {
+# else
+ if ( action.sa_handler == SIG_DFL ) {
+# endif
+ action.sa_handler = SDL_HandleSIG;
+ sigaction(SIGINT, &action, NULL);
+ }
+ sigaction(SIGTERM, NULL, &action);
+# ifdef HAVE_SA_SIGACTION
+ if ( action.sa_handler == SIG_DFL && action.sa_sigaction == (void*)SIG_DFL ) {
+# else
+ if ( action.sa_handler == SIG_DFL ) {
+# endif
+ action.sa_handler = SDL_HandleSIG;
+ sigaction(SIGTERM, &action, NULL);
+ }
+#elif HAVE_SIGNAL_H
+ void (*ohandler)(int);
+
+ /* Both SIGINT and SIGTERM are translated into quit interrupts */
+ ohandler = signal(SIGINT, SDL_HandleSIG);
+ if ( ohandler != SIG_DFL )
+ signal(SIGINT, ohandler);
+ ohandler = signal(SIGTERM, SDL_HandleSIG);
+ if ( ohandler != SIG_DFL )
+ signal(SIGTERM, ohandler);
+#endif /* HAVE_SIGNAL_H */
+
+ /* That's it! */
+ return(0);
+}
+void SDL_QuitQuit(void)
+{
+#ifdef HAVE_SIGACTION
+ struct sigaction action;
+ sigaction(SIGINT, NULL, &action);
+ if ( action.sa_handler == SDL_HandleSIG ) {
+ action.sa_handler = SIG_DFL;
+ sigaction(SIGINT, &action, NULL);
+ }
+ sigaction(SIGTERM, NULL, &action);
+ if ( action.sa_handler == SDL_HandleSIG ) {
+ action.sa_handler = SIG_DFL;
+ sigaction(SIGTERM, &action, NULL);
+ }
+#elif HAVE_SIGNAL_H
+ void (*ohandler)(int);
+
+ ohandler = signal(SIGINT, SIG_DFL);
+ if ( ohandler != SDL_HandleSIG )
+ signal(SIGINT, ohandler);
+ ohandler = signal(SIGTERM, SIG_DFL);
+ if ( ohandler != SDL_HandleSIG )
+ signal(SIGTERM, ohandler);
+#endif /* HAVE_SIGNAL_H */
+}
+
+/* This function returns 1 if it's okay to close the application window */
+int SDL_PrivateQuit(void)
+{
+ int posted;
+
+ posted = 0;
+ if ( SDL_ProcessEvents[SDL_QUIT] == SDL_ENABLE ) {
+ SDL_Event event;
+ event.type = SDL_QUIT;
+ if ( (SDL_EventOK == NULL) || (*SDL_EventOK)(&event) ) {
+ posted = 1;
+ SDL_PushEvent(&event);
+ }
+ }
+ return(posted);
+}