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Diffstat (limited to 'apps/plugins/sdl/src/thread/beos/SDL_syssem.c')
-rw-r--r--apps/plugins/sdl/src/thread/beos/SDL_syssem.c142
1 files changed, 0 insertions, 142 deletions
diff --git a/apps/plugins/sdl/src/thread/beos/SDL_syssem.c b/apps/plugins/sdl/src/thread/beos/SDL_syssem.c
deleted file mode 100644
index eba1944bc8..0000000000
--- a/apps/plugins/sdl/src/thread/beos/SDL_syssem.c
+++ /dev/null
@@ -1,142 +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"
-
-/* Semaphores in the BeOS environment */
-
-#include <be/kernel/OS.h>
-
-#include "SDL_thread.h"
-
-
-struct SDL_semaphore {
- sem_id id;
-};
-
-/* Create a counting semaphore */
-SDL_sem *SDL_CreateSemaphore(Uint32 initial_value)
-{
- SDL_sem *sem;
-
- sem = (SDL_sem *)SDL_malloc(sizeof(*sem));
- if ( sem ) {
- sem->id = create_sem(initial_value, "SDL semaphore");
- if ( sem->id < B_NO_ERROR ) {
- SDL_SetError("create_sem() failed");
- SDL_free(sem);
- sem = NULL;
- }
- } else {
- SDL_OutOfMemory();
- }
- return(sem);
-}
-
-/* Free the semaphore */
-void SDL_DestroySemaphore(SDL_sem *sem)
-{
- if ( sem ) {
- if ( sem->id >= B_NO_ERROR ) {
- delete_sem(sem->id);
- }
- SDL_free(sem);
- }
-}
-
-int SDL_SemWaitTimeout(SDL_sem *sem, Uint32 timeout)
-{
- int32 val;
- int retval;
-
- if ( ! sem ) {
- SDL_SetError("Passed a NULL semaphore");
- return -1;
- }
-
- tryagain:
- if ( timeout == SDL_MUTEX_MAXWAIT ) {
- val = acquire_sem(sem->id);
- } else {
- timeout *= 1000; /* BeOS uses a timeout in microseconds */
- val = acquire_sem_etc(sem->id, 1, B_RELATIVE_TIMEOUT, timeout);
- }
- switch (val) {
- case B_INTERRUPTED:
- goto tryagain;
- case B_NO_ERROR:
- retval = 0;
- break;
- case B_TIMED_OUT:
- retval = SDL_MUTEX_TIMEDOUT;
- break;
- case B_WOULD_BLOCK:
- retval = SDL_MUTEX_TIMEDOUT;
- break;
- default:
- SDL_SetError("acquire_sem() failed");
- retval = -1;
- break;
- }
-
- return retval;
-}
-
-int SDL_SemTryWait(SDL_sem *sem)
-{
- return SDL_SemWaitTimeout(sem, 0);
-}
-
-int SDL_SemWait(SDL_sem *sem)
-{
- return SDL_SemWaitTimeout(sem, SDL_MUTEX_MAXWAIT);
-}
-
-/* Returns the current count of the semaphore */
-Uint32 SDL_SemValue(SDL_sem *sem)
-{
- int32 count;
- Uint32 value;
-
- value = 0;
- if ( sem ) {
- get_sem_count(sem->id, &count);
- if ( count > 0 ) {
- value = (Uint32)count;
- }
- }
- return value;
-}
-
-/* Atomically increases the semaphore's count (not blocking) */
-int SDL_SemPost(SDL_sem *sem)
-{
- if ( ! sem ) {
- SDL_SetError("Passed a NULL semaphore");
- return -1;
- }
-
- if ( release_sem(sem->id) != B_NO_ERROR ) {
- SDL_SetError("release_sem() failed");
- return -1;
- }
- return 0;
-}