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authorGraydon, Tracy <tracy.graydon@intel.com>2012-11-28 19:43:53 -0800
committerGraydon, Tracy <tracy.graydon@intel.com>2012-11-28 19:43:53 -0800
commit55af18608e149dd3930e420014068df6fe416552 (patch)
tree3d85f5ddc0de53fce59b0a8a4dcd9891e58a43eb /test/torturethread.c
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Initial commit for Tizensubmit/1.0/20121129.034415
Diffstat (limited to 'test/torturethread.c')
-rw-r--r--test/torturethread.c91
1 files changed, 91 insertions, 0 deletions
diff --git a/test/torturethread.c b/test/torturethread.c
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--- /dev/null
+++ b/test/torturethread.c
@@ -0,0 +1,91 @@
+
+/* Simple test of the SDL threading code */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <signal.h>
+#include <string.h>
+
+#include "SDL.h"
+#include "SDL_thread.h"
+
+#define NUMTHREADS 10
+
+static char volatile time_for_threads_to_die[NUMTHREADS];
+
+/* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
+static void quit(int rc)
+{
+ SDL_Quit();
+ exit(rc);
+}
+
+int SDLCALL SubThreadFunc(void *data) {
+ while(! *(int volatile *)data) {
+ ; /*SDL_Delay(10);*/ /* do nothing */
+ }
+ return 0;
+}
+
+int SDLCALL ThreadFunc(void *data) {
+ SDL_Thread *sub_threads[NUMTHREADS];
+ int flags[NUMTHREADS];
+ int i;
+ int tid = (int)(uintptr_t)data;
+
+ fprintf(stderr, "Creating Thread %d\n", tid);
+
+ for(i = 0; i < NUMTHREADS; i++) {
+ flags[i] = 0;
+ sub_threads[i] = SDL_CreateThread(SubThreadFunc, &flags[i]);
+ }
+
+ printf("Thread '%d' waiting for signal\n", tid);
+ while(time_for_threads_to_die[tid] != 1) {
+ ; /* do nothing */
+ }
+
+ printf("Thread '%d' sending signals to subthreads\n", tid);
+ for(i = 0; i < NUMTHREADS; i++) {
+ flags[i] = 1;
+ SDL_WaitThread(sub_threads[i], NULL);
+ }
+
+ printf("Thread '%d' exiting!\n", tid);
+
+ return 0;
+}
+
+int main(int argc, char *argv[])
+{
+ SDL_Thread *threads[NUMTHREADS];
+ int i;
+
+ /* Load the SDL library */
+ if ( SDL_Init(0) < 0 ) {
+ fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError());
+ return(1);
+ }
+
+ signal(SIGSEGV, SIG_DFL);
+ for(i = 0; i < NUMTHREADS; i++) {
+ time_for_threads_to_die[i] = 0;
+ threads[i] = SDL_CreateThread(ThreadFunc, (void *)(uintptr_t)i);
+
+ if ( threads[i] == NULL ) {
+ fprintf(stderr,
+ "Couldn't create thread: %s\n", SDL_GetError());
+ quit(1);
+ }
+ }
+
+ for(i = 0; i < NUMTHREADS; i++) {
+ time_for_threads_to_die[i] = 1;
+ }
+
+ for(i = 0; i < NUMTHREADS; i++) {
+ SDL_WaitThread(threads[i], NULL);
+ }
+ SDL_Quit();
+ return(0);
+}