SDL  2.0
testerror.c
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1 /*
2  Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org>
3 
4  This software is provided 'as-is', without any express or implied
5  warranty. In no event will the authors be held liable for any damages
6  arising from the use of this software.
7 
8  Permission is granted to anyone to use this software for any purpose,
9  including commercial applications, and to alter it and redistribute it
10  freely.
11 */
12 
13 /* Simple test of the SDL threading code and error handling */
14 
15 #include <stdio.h>
16 #include <stdlib.h>
17 #include <signal.h>
18 
19 #include "SDL.h"
20 
21 static int alive = 0;
22 
23 /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
24 static void
25 quit(int rc)
26 {
27  SDL_Quit();
28  exit(rc);
29 }
30 
31 int SDLCALL
33 {
34  /* Set the child thread error string */
35  SDL_SetError("Thread %s (%lu) had a problem: %s",
36  (char *) data, SDL_ThreadID(), "nevermind");
37  while (alive) {
38  SDL_Log("Thread '%s' is alive!\n", (char *) data);
39  SDL_Delay(1 * 1000);
40  }
41  SDL_Log("Child thread error string: %s\n", SDL_GetError());
42  return (0);
43 }
44 
45 int
46 main(int argc, char *argv[])
47 {
48  SDL_Thread *thread;
49 
50  /* Enable standard application logging */
52 
53  /* Load the SDL library */
54  if (SDL_Init(0) < 0) {
55  SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL: %s\n", SDL_GetError());
56  return (1);
57  }
58 
59  /* Set the error value for the main thread */
60  SDL_SetError("No worries");
61 
62  alive = 1;
63  thread = SDL_CreateThread(ThreadFunc, NULL, "#1");
64  if (thread == NULL) {
65  SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't create thread: %s\n", SDL_GetError());
66  quit(1);
67  }
68  SDL_Delay(5 * 1000);
69  SDL_Log("Waiting for thread #1\n");
70  alive = 0;
71  SDL_WaitThread(thread, NULL);
72 
73  SDL_Log("Main thread error string: %s\n", SDL_GetError());
74 
75  SDL_Quit();
76  return (0);
77 }
#define SDL_ThreadID
#define SDL_GetError
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: SDL_opengl.h:1967
#define SDL_LogError
#define SDL_Log
#define SDL_Quit
int ThreadFunc(void *data)
Definition: testerror.c:32
static void quit(int rc)
Definition: testerror.c:25
#define SDL_CreateThread
#define SDL_Delay
#define SDL_LogSetPriority
#define NULL
Definition: begin_code.h:143
#define SDL_SetError
#define SDL_Init
#define SDLCALL
Definition: SDL_internal.h:31
int main(int argc, char *argv[])
Definition: testerror.c:46
#define SDL_WaitThread
static int alive
Definition: testerror.c:21