symbian-qemu-0.9.1-12/libsdl-trunk/test/testhread.c
author johnathan.white@2718R8BGH51.accenture.com
Mon, 08 Mar 2010 18:45:03 +0000
changeset 46 b6935a90ca64
parent 1 2fb8b9db1c86
permissions -rw-r--r--
Modify framebuffer and NGA framebuffer to read screen size from board model dtb file. Optimise memory usuage of frame buffer Add example minigui application with hooks to profiler (which writes results to S:\). Modified NGA framebuffer to run its own dfc queue at high priority
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 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 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 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 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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}