test/testerror.c
author Ryan C. Gordon <icculus@icculus.org>
Sun, 11 Jan 2009 04:05:28 +0000
changeset 3017 3272431eeee2
parent 1895 c121d94672cb
child 3578 0d1b16ee0bca
permissions -rw-r--r--
Added testresample.c
     1 
     2 /* Simple test of the SDL threading code and error handling */
     3 
     4 #include <stdio.h>
     5 #include <stdlib.h>
     6 #include <signal.h>
     7 
     8 #include "SDL.h"
     9 #include "SDL_thread.h"
    10 
    11 static int alive = 0;
    12 
    13 /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
    14 static void
    15 quit(int rc)
    16 {
    17     SDL_Quit();
    18     exit(rc);
    19 }
    20 
    21 int SDLCALL
    22 ThreadFunc(void *data)
    23 {
    24     /* Set the child thread error string */
    25     SDL_SetError("Thread %s (%d) had a problem: %s",
    26                  (char *) data, SDL_ThreadID(), "nevermind");
    27     while (alive) {
    28         printf("Thread '%s' is alive!\n", (char *) data);
    29         SDL_Delay(1 * 1000);
    30     }
    31     printf("Child thread error string: %s\n", SDL_GetError());
    32     return (0);
    33 }
    34 
    35 int
    36 main(int argc, char *argv[])
    37 {
    38     SDL_Thread *thread;
    39 
    40     /* Load the SDL library */
    41     if (SDL_Init(0) < 0) {
    42         fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError());
    43         return (1);
    44     }
    45 
    46     /* Set the error value for the main thread */
    47     SDL_SetError("No worries");
    48 
    49     alive = 1;
    50     thread = SDL_CreateThread(ThreadFunc, "#1");
    51     if (thread == NULL) {
    52         fprintf(stderr, "Couldn't create thread: %s\n", SDL_GetError());
    53         quit(1);
    54     }
    55     SDL_Delay(5 * 1000);
    56     printf("Waiting for thread #1\n");
    57     alive = 0;
    58     SDL_WaitThread(thread, NULL);
    59 
    60     printf("Main thread error string: %s\n", SDL_GetError());
    61 
    62     SDL_Quit();
    63     return (0);
    64 }