From 6039eb05ba6d82ef56f2868c96654c552d117bf9 Mon Sep 17 00:00:00 2001 From: Franklin Wei Date: Wed, 7 Feb 2018 20:04:46 -0500 Subject: sdl: remove non-rockbox drivers We never use any of these other drivers, so having them around just takes up space. Change-Id: Iced812162df1fef3fd55522b7e700acb6c3bcd41 --- apps/plugins/sdl/src/thread/pthread/SDL_syssem.c | 190 ----------------------- 1 file changed, 190 deletions(-) delete mode 100644 apps/plugins/sdl/src/thread/pthread/SDL_syssem.c (limited to 'apps/plugins/sdl/src/thread/pthread/SDL_syssem.c') diff --git a/apps/plugins/sdl/src/thread/pthread/SDL_syssem.c b/apps/plugins/sdl/src/thread/pthread/SDL_syssem.c deleted file mode 100644 index a03870fa35..0000000000 --- a/apps/plugins/sdl/src/thread/pthread/SDL_syssem.c +++ /dev/null @@ -1,190 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2012 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -#include -#include -#include -#include - -#include "SDL_thread.h" -#include "SDL_timer.h" - -/* Wrapper around POSIX 1003.1b semaphores */ - -#ifdef __MACOSX__ -/* Mac OS X doesn't support sem_getvalue() as of version 10.4 */ -#include "../generic/SDL_syssem.c" -#else - -struct SDL_semaphore { - sem_t sem; -}; - -/* Create a semaphore, initialized with value */ -SDL_sem *SDL_CreateSemaphore(Uint32 initial_value) -{ - SDL_sem *sem = (SDL_sem *) SDL_malloc(sizeof(SDL_sem)); - if ( sem ) { - if ( sem_init(&sem->sem, 0, initial_value) < 0 ) { - SDL_SetError("sem_init() failed"); - SDL_free(sem); - sem = NULL; - } - } else { - SDL_OutOfMemory(); - } - return sem; -} - -void SDL_DestroySemaphore(SDL_sem *sem) -{ - if ( sem ) { - sem_destroy(&sem->sem); - SDL_free(sem); - } -} - -int SDL_SemTryWait(SDL_sem *sem) -{ - int retval; - - if ( ! sem ) { - SDL_SetError("Passed a NULL semaphore"); - return -1; - } - retval = SDL_MUTEX_TIMEDOUT; - if ( sem_trywait(&sem->sem) == 0 ) { - retval = 0; - } - return retval; -} - -int SDL_SemWait(SDL_sem *sem) -{ - int retval; - - if ( ! sem ) { - SDL_SetError("Passed a NULL semaphore"); - return -1; - } - - while ( ((retval = sem_wait(&sem->sem)) == -1) && (errno == EINTR) ) {} - if ( retval < 0 ) { - SDL_SetError("sem_wait() failed"); - } - return retval; -} - -int SDL_SemWaitTimeout(SDL_sem *sem, Uint32 timeout) -{ - int retval; -#ifdef HAVE_SEM_TIMEDWAIT - struct timeval now; - struct timespec ts_timeout; -#else - Uint32 end; -#endif - - if ( ! sem ) { - SDL_SetError("Passed a NULL semaphore"); - return -1; - } - - /* Try the easy cases first */ - if ( timeout == 0 ) { - return SDL_SemTryWait(sem); - } - if ( timeout == SDL_MUTEX_MAXWAIT ) { - return SDL_SemWait(sem); - } - -#ifdef HAVE_SEM_TIMEDWAIT - /* Setup the timeout. sem_timedwait doesn't wait for - * a lapse of time, but until we reach a certain time. - * This time is now plus the timeout. - */ - gettimeofday(&now, NULL); - - /* Add our timeout to current time */ - now.tv_usec += (timeout % 1000) * 1000; - now.tv_sec += timeout / 1000; - - /* Wrap the second if needed */ - if ( now.tv_usec >= 1000000 ) { - now.tv_usec -= 1000000; - now.tv_sec ++; - } - - /* Convert to timespec */ - ts_timeout.tv_sec = now.tv_sec; - ts_timeout.tv_nsec = now.tv_usec * 1000; - - /* Wait. */ - do - retval = sem_timedwait(&sem->sem, &ts_timeout); - while (retval == -1 && errno == EINTR); - - if (retval == -1) - SDL_SetError(strerror(errno)); -#else - end = SDL_GetTicks() + timeout; - while ((retval = SDL_SemTryWait(sem)) == SDL_MUTEX_TIMEDOUT) { - if ((SDL_GetTicks() - end) >= 0) { - break; - } - SDL_Delay(0); - } -#endif /* HAVE_SEM_TIMEDWAIT */ - - return retval; -} - -Uint32 SDL_SemValue(SDL_sem *sem) -{ - int ret = 0; - if ( sem ) { - sem_getvalue(&sem->sem, &ret); - if ( ret < 0 ) { - ret = 0; - } - } - return (Uint32)ret; -} - -int SDL_SemPost(SDL_sem *sem) -{ - int retval; - - if ( ! sem ) { - SDL_SetError("Passed a NULL semaphore"); - return -1; - } - - retval = sem_post(&sem->sem); - if ( retval < 0 ) { - SDL_SetError("sem_post() failed"); - } - return retval; -} - -#endif /* __MACOSX__ */ -- cgit v1.2.3