early-access version 1611

externals/SDL/test/testerror.c

@@ -0,0 +1,76 @@
+/*
+  Copyright (C) 1997-2020 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely.
+*/
+
+/* Simple test of the SDL threading code and error handling */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "SDL.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 SDLCALL
+ThreadFunc(void *data)
+{
+    /* Set the child thread error string */
+    SDL_SetError("Thread %s (%lu) had a problem: %s",
+                 (char *) data, SDL_ThreadID(), "nevermind");
+    while (alive) {
+        SDL_Log("Thread '%s' is alive!\n", (char *) data);
+        SDL_Delay(1 * 1000);
+    }
+    SDL_Log("Child thread error string: %s\n", SDL_GetError());
+    return (0);
+}
+
+int
+main(int argc, char *argv[])
+{
+    SDL_Thread *thread;
+
+    /* Enable standard application logging */
+    SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
+
+    /* Load the SDL library */
+    if (SDL_Init(0) < 0) {
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL: %s\n", SDL_GetError());
+        return (1);
+    }
+
+    /* Set the error value for the main thread */
+    SDL_SetError("No worries");
+
+    alive = 1;
+    thread = SDL_CreateThread(ThreadFunc, NULL, "#1");
+    if (thread == NULL) {
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't create thread: %s\n", SDL_GetError());
+        quit(1);
+    }
+    SDL_Delay(5 * 1000);
+    SDL_Log("Waiting for thread #1\n");
+    alive = 0;
+    SDL_WaitThread(thread, NULL);
+
+    SDL_Log("Main thread error string: %s\n", SDL_GetError());
+
+    SDL_Quit();
+    return (0);
+}