Mercurial > sdl-ios-xcode
view test/testhread.c @ 1246:ca51a76a7328
Make error message meaningful if dlopen() fails on libX11.
author | Ryan C. Gordon <icculus@icculus.org> |
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date | Fri, 13 Jan 2006 02:32:07 +0000 |
parents | be9c9c8f6d53 |
children | 14717b52abc0 |
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/* Simple test of the SDL threading code */ #include <stdio.h> #include <stdlib.h> #include <signal.h> #include "SDL.h" #include "SDL_thread.h" static int alive = 0; /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */ static void quit(int rc) { SDL_Quit(); exit(rc); } int ThreadFunc(void *data) { printf("Started thread %s: My thread id is %u\n", (char *)data, SDL_ThreadID()); while ( alive ) { printf("Thread '%s' is alive!\n", (char *)data); SDL_Delay(1*1000); } printf("Thread '%s' exiting!\n", (char *)data); return(0); } static void killed(int sig) { printf("Killed with SIGTERM, waiting 5 seconds to exit\n"); SDL_Delay(5*1000); alive = 0; quit(0); } int main(int argc, char *argv[]) { SDL_Thread *thread; /* Load the SDL library */ if ( SDL_Init(0) < 0 ) { fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError()); return(1); } alive = 1; thread = SDL_CreateThread(ThreadFunc, "#1"); if ( thread == NULL ) { fprintf(stderr, "Couldn't create thread: %s\n", SDL_GetError()); quit(1); } SDL_Delay(5*1000); printf("Waiting for thread #1\n"); alive = 0; SDL_WaitThread(thread, NULL); alive = 1; thread = SDL_CreateThread(ThreadFunc, "#2"); if ( thread == NULL ) { fprintf(stderr, "Couldn't create thread: %s\n", SDL_GetError()); quit(1); } SDL_Delay(5*1000); printf("Killing thread #2\n"); SDL_KillThread(thread); alive = 1; signal(SIGTERM, killed); thread = SDL_CreateThread(ThreadFunc, "#3"); if ( thread == NULL ) { fprintf(stderr, "Couldn't create thread: %s\n", SDL_GetError()); quit(1); } raise(SIGTERM); SDL_Quit(); /* Never reached */ return(0); /* Never reached */ }