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comparison test/testhread.c @ 0:74212992fb08

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Initial revision
author Sam Lantinga <slouken@lokigames.com>
date Thu, 26 Apr 2001 16:45:43 +0000
parents
children be9c9c8f6d53
comparison
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-1:000000000000 0:74212992fb08
1
2 /* Simple test of the SDL threading code */
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 int ThreadFunc(void *data)
14 {
15 printf("Started thread %s: My thread id is %u\n",
16 (char *)data, SDL_ThreadID());
17 while ( alive ) {
18 printf("Thread '%s' is alive!\n", (char *)data);
19 SDL_Delay(1*1000);
20 }
21 printf("Thread '%s' exiting!\n", (char *)data);
22 return(0);
23 }
24
25 static void killed(int sig)
26 {
27 printf("Killed with SIGTERM, waiting 5 seconds to exit\n");
28 SDL_Delay(5*1000);
29 alive = 0;
30 exit(0);
31 }
32
33 int main(int argc, char *argv[])
34 {
35 SDL_Thread *thread;
36
37 /* Load the SDL library */
38 if ( SDL_Init(0) < 0 ) {
39 fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError());
40 exit(1);
41 }
42 atexit(SDL_Quit);
43
44 alive = 1;
45 thread = SDL_CreateThread(ThreadFunc, "#1");
46 if ( thread == NULL ) {
47 fprintf(stderr, "Couldn't create thread: %s\n", SDL_GetError());
48 exit(1);
49 }
50 SDL_Delay(5*1000);
51 printf("Waiting for thread #1\n");
52 alive = 0;
53 SDL_WaitThread(thread, NULL);
54
55 alive = 1;
56 thread = SDL_CreateThread(ThreadFunc, "#2");
57 if ( thread == NULL ) {
58 fprintf(stderr, "Couldn't create thread: %s\n", SDL_GetError());
59 exit(1);
60 }
61 SDL_Delay(5*1000);
62 printf("Killing thread #2\n");
63 SDL_KillThread(thread);
64
65 alive = 1;
66 signal(SIGTERM, killed);
67 thread = SDL_CreateThread(ThreadFunc, "#3");
68 if ( thread == NULL ) {
69 fprintf(stderr, "Couldn't create thread: %s\n", SDL_GetError());
70 exit(1);
71 }
72 raise(SIGTERM);
73
74 return(0); /* Never reached */
75 }