Mercurial > sdl-ios-xcode
view test/torturethread.c @ 30:57bf11a5efd7
Added initial support for Nano-X (thanks Hsieh-Fu!)
author | Sam Lantinga <slouken@lokigames.com> |
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date | Fri, 11 May 2001 01:13:35 +0000 |
parents | 74212992fb08 |
children | be9c9c8f6d53 |
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/* 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]; int SubThreadFunc(void *data) { while(! *(int volatile *)data) { ; /*SDL_Delay(10); /* do nothing */ } return 0; } int ThreadFunc(void *data) { SDL_Thread *sub_threads[NUMTHREADS]; int flags[NUMTHREADS]; int i; int tid = (int ) 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()); exit(1); } atexit(SDL_Quit); signal(SIGSEGV, SIG_DFL); for(i = 0; i < NUMTHREADS; i++) { time_for_threads_to_die[i] = 0; threads[i] = SDL_CreateThread(ThreadFunc, (void *) i); if ( threads[i] == NULL ) { fprintf(stderr, "Couldn't create thread: %s\n", SDL_GetError()); exit(1); } } for(i = 0; i < NUMTHREADS; i++) { time_for_threads_to_die[i] = 1; } for(i = NUMTHREADS-1; i >= 0; --i) { SDL_WaitThread(threads[i], NULL); } return(0); /* Never reached */ }