mirror of https://github.com/PCSX2/pcsx2.git
97 lines
2.0 KiB
C
97 lines
2.0 KiB
C
|
|
/* 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);
|
|
}
|