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Diffstat (limited to '3rdparty/SDL2/test/testsem.c')
-rw-r--r-- | 3rdparty/SDL2/test/testsem.c | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/3rdparty/SDL2/test/testsem.c b/3rdparty/SDL2/test/testsem.c deleted file mode 100644 index b8d3b274918..00000000000 --- a/3rdparty/SDL2/test/testsem.c +++ /dev/null @@ -1,130 +0,0 @@ -/* - Copyright (C) 1997-2016 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 semaphore code */ - -#include <stdio.h> -#include <stdlib.h> -#include <signal.h> - -#include "SDL.h" - -#define NUM_THREADS 10 - -static SDL_sem *sem; -int alive = 1; - -int SDLCALL -ThreadFunc(void *data) -{ - int threadnum = (int) (uintptr_t) data; - while (alive) { - SDL_SemWait(sem); - SDL_Log("Thread number %d has got the semaphore (value = %d)!\n", - threadnum, SDL_SemValue(sem)); - SDL_Delay(200); - SDL_SemPost(sem); - SDL_Log("Thread number %d has released the semaphore (value = %d)!\n", - threadnum, SDL_SemValue(sem)); - SDL_Delay(1); /* For the scheduler */ - } - SDL_Log("Thread number %d exiting.\n", threadnum); - return 0; -} - -static void -killed(int sig) -{ - alive = 0; -} - -static void -TestWaitTimeout(void) -{ - Uint32 start_ticks; - Uint32 end_ticks; - Uint32 duration; - int retval; - - sem = SDL_CreateSemaphore(0); - SDL_Log("Waiting 2 seconds on semaphore\n"); - - start_ticks = SDL_GetTicks(); - retval = SDL_SemWaitTimeout(sem, 2000); - end_ticks = SDL_GetTicks(); - - duration = end_ticks - start_ticks; - - /* Accept a little offset in the effective wait */ - if (duration > 1900 && duration < 2050) - SDL_Log("Wait done.\n"); - else - SDL_Log("Wait took %d milliseconds\n", duration); - - /* Check to make sure the return value indicates timed out */ - if (retval != SDL_MUTEX_TIMEDOUT) - SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL_SemWaitTimeout returned: %d; expected: %d\n", retval, SDL_MUTEX_TIMEDOUT); -} - -int -main(int argc, char **argv) -{ - SDL_Thread *threads[NUM_THREADS]; - uintptr_t i; - int init_sem; - - /* Enable standard application logging */ - SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO); - - if (argc < 2) { - SDL_Log("Usage: %s init_value\n", argv[0]); - return (1); - } - - /* 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); - } - signal(SIGTERM, killed); - signal(SIGINT, killed); - - init_sem = atoi(argv[1]); - sem = SDL_CreateSemaphore(init_sem); - - SDL_Log("Running %d threads, semaphore value = %d\n", NUM_THREADS, - init_sem); - /* Create all the threads */ - for (i = 0; i < NUM_THREADS; ++i) { - char name[64]; - SDL_snprintf(name, sizeof (name), "Thread%u", (unsigned int) i); - threads[i] = SDL_CreateThread(ThreadFunc, name, (void *) i); - } - - /* Wait 10 seconds */ - SDL_Delay(10 * 1000); - - /* Wait for all threads to finish */ - SDL_Log("Waiting for threads to finish\n"); - alive = 0; - for (i = 0; i < NUM_THREADS; ++i) { - SDL_WaitThread(threads[i], NULL); - } - SDL_Log("Finished waiting for threads\n"); - - SDL_DestroySemaphore(sem); - - TestWaitTimeout(); - - SDL_Quit(); - return (0); -} |