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Diffstat (limited to 'distrib/sdl-1.2.15/src/timer/dummy/SDL_systimer.c')
-rw-r--r--distrib/sdl-1.2.15/src/timer/dummy/SDL_systimer.c91
1 files changed, 91 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.15/src/timer/dummy/SDL_systimer.c b/distrib/sdl-1.2.15/src/timer/dummy/SDL_systimer.c
new file mode 100644
index 0000000..cc266bc
--- /dev/null
+++ b/distrib/sdl-1.2.15/src/timer/dummy/SDL_systimer.c
@@ -0,0 +1,91 @@
+/*
+ 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"
+
+#if defined(SDL_TIMER_DUMMY) || defined(SDL_TIMERS_DISABLED)
+
+#include "SDL_timer.h"
+#include "../SDL_timer_c.h"
+
+void SDL_StartTicks(void)
+{
+}
+
+Uint32 SDL_GetTicks (void)
+{
+ SDL_Unsupported();
+ return 0;
+}
+
+void SDL_Delay (Uint32 ms)
+{
+ SDL_Unsupported();
+}
+
+#include "SDL_thread.h"
+
+/* Data to handle a single periodic alarm */
+static int timer_alive = 0;
+static SDL_Thread *timer = NULL;
+
+static int RunTimer(void *unused)
+{
+ while ( timer_alive ) {
+ if ( SDL_timer_running ) {
+ SDL_ThreadedTimerCheck();
+ }
+ SDL_Delay(1);
+ }
+ return(0);
+}
+
+/* This is only called if the event thread is not running */
+int SDL_SYS_TimerInit(void)
+{
+ timer_alive = 1;
+ timer = SDL_CreateThread(RunTimer, NULL);
+ if ( timer == NULL )
+ return(-1);
+ return(SDL_SetTimerThreaded(1));
+}
+
+void SDL_SYS_TimerQuit(void)
+{
+ timer_alive = 0;
+ if ( timer ) {
+ SDL_WaitThread(timer, NULL);
+ timer = NULL;
+ }
+}
+
+int SDL_SYS_StartTimer(void)
+{
+ SDL_SetError("Internal logic error: threaded timer in use");
+ return(-1);
+}
+
+void SDL_SYS_StopTimer(void)
+{
+ return;
+}
+
+#endif /* SDL_TIMER_DUMMY || SDL_TIMERS_DISABLED */