Merge branch 'jb-mr1-release' of https://android.googlesource.com/platform/external/qemu into mr1-staging

Change-Id: I8a4a71ac65b08e6e17f26c942f67a15b85211115

1 files changed, 91 insertions, 0 deletions

diff --git a/distrib/sdl-1.2.15/test/torturethread.c b/distrib/sdl-1.2.15/test/torturethread.c
new file mode 100644
index 0000000..cb18954
--- /dev/null
+++ b/distrib/sdl-1.2.15/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);
+}