test/testhread.c
author Edgar Simo <bobbens@gmail.com>
Mon, 04 Aug 2008 17:30:17 +0000
branchgsoc2008_force_feedback
changeset 2592 8152dd46fbe2
parent 1895 c121d94672cb
child 2779 4436464c4f51
permissions -rw-r--r--
Changed effect comparison a bit.
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/* Simple test of the SDL threading code */
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#include <stdio.h>
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#include <stdlib.h>
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#include <signal.h>
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#include "SDL.h"
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#include "SDL_thread.h"
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static int alive = 0;
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/* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
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static void
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quit(int rc)
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{
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    SDL_Quit();
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    exit(rc);
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}
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int SDLCALL
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ThreadFunc(void *data)
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{
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    printf("Started thread %s: My thread id is %u\n",
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           (char *) data, SDL_ThreadID());
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    while (alive) {
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        printf("Thread '%s' is alive!\n", (char *) data);
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        SDL_Delay(1 * 1000);
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    }
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    printf("Thread '%s' exiting!\n", (char *) data);
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    return (0);
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}
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static void
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killed(int sig)
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{
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    printf("Killed with SIGTERM, waiting 5 seconds to exit\n");
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    SDL_Delay(5 * 1000);
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    alive = 0;
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    quit(0);
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}
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int
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main(int argc, char *argv[])
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{
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    SDL_Thread *thread;
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    /* Load the SDL library */
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    if (SDL_Init(0) < 0) {
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        fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError());
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        return (1);
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    }
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    alive = 1;
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    thread = SDL_CreateThread(ThreadFunc, "#1");
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    if (thread == NULL) {
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        fprintf(stderr, "Couldn't create thread: %s\n", SDL_GetError());
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        quit(1);
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    }
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    SDL_Delay(5 * 1000);
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    printf("Waiting for thread #1\n");
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    alive = 0;
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    SDL_WaitThread(thread, NULL);
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    alive = 1;
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    thread = SDL_CreateThread(ThreadFunc, "#2");
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    if (thread == NULL) {
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        fprintf(stderr, "Couldn't create thread: %s\n", SDL_GetError());
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        quit(1);
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    }
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    SDL_Delay(5 * 1000);
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    printf("Killing thread #2\n");
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    SDL_KillThread(thread);
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    alive = 1;
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    signal(SIGTERM, killed);
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    thread = SDL_CreateThread(ThreadFunc, "#3");
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    if (thread == NULL) {
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        fprintf(stderr, "Couldn't create thread: %s\n", SDL_GetError());
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        quit(1);
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    }
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    raise(SIGTERM);
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    SDL_Quit();                 /* Never reached */
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    return (0);                 /* Never reached */
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}