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-rw-r--r--distrib/sdl-1.2.12/src/thread/amigaos/SDL_syssem.c148
1 files changed, 0 insertions, 148 deletions
diff --git a/distrib/sdl-1.2.12/src/thread/amigaos/SDL_syssem.c b/distrib/sdl-1.2.12/src/thread/amigaos/SDL_syssem.c
deleted file mode 100644
index a31a213..0000000
--- a/distrib/sdl-1.2.12/src/thread/amigaos/SDL_syssem.c
+++ /dev/null
@@ -1,148 +0,0 @@
-/*
- SDL - Simple DirectMedia Layer
- Copyright (C) 1997-2006 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"
-
-/* An implementation of semaphores using mutexes and condition variables */
-
-#include "SDL_thread.h"
-#include "SDL_systhread_c.h"
-
-
-struct SDL_semaphore
-{
- struct SignalSemaphore Sem;
-};
-
-#undef D
-
-#define D(x)
-
-SDL_sem *SDL_CreateSemaphore(Uint32 initial_value)
-{
- SDL_sem *sem;
-
- sem = (SDL_sem *)SDL_malloc(sizeof(*sem));
-
- if ( ! sem ) {
- SDL_OutOfMemory();
- return(0);
- }
-
- D(bug("Creating semaphore %lx...\n",sem));
-
- SDL_memset(sem,0,sizeof(*sem));
-
- InitSemaphore(&sem->Sem);
-
- return(sem);
-}
-
-void SDL_DestroySemaphore(SDL_sem *sem)
-{
- D(bug("Destroying semaphore %lx...\n",sem));
-
- if ( sem ) {
-// Condizioni per liberare i task in attesa?
- SDL_free(sem);
- }
-}
-
-int SDL_SemTryWait(SDL_sem *sem)
-{
- if ( ! sem ) {
- SDL_SetError("Passed a NULL semaphore");
- return -1;
- }
-
- D(bug("TryWait semaphore...%lx\n",sem));
-
- ObtainSemaphore(&sem->Sem);
-// ReleaseSemaphore(&sem->Sem);
-
- return 1;
-}
-
-int SDL_SemWaitTimeout(SDL_sem *sem, Uint32 timeout)
-{
- int retval;
-
-
- if ( ! sem ) {
- SDL_SetError("Passed a NULL semaphore");
- return -1;
- }
-
- D(bug("WaitTimeout (%ld) semaphore...%lx\n",timeout,sem));
-
- /* A timeout of 0 is an easy case */
- if ( timeout == 0 ) {
- ObtainSemaphore(&sem->Sem);
- return 1;
- }
- if(!(retval=AttemptSemaphore(&sem->Sem)))
- {
- SDL_Delay(timeout);
- retval=AttemptSemaphore(&sem->Sem);
- }
-
- if(retval==TRUE)
- {
-// ReleaseSemaphore(&sem->Sem);
- retval=1;
- }
-
- return retval;
-}
-
-int SDL_SemWait(SDL_sem *sem)
-{
- ObtainSemaphore(&sem->Sem);
- return 0;
-}
-
-Uint32 SDL_SemValue(SDL_sem *sem)
-{
- Uint32 value;
-
- value = 0;
- if ( sem ) {
- #ifdef STORMC4_WOS
- value = sem->Sem.ssppc_SS.ss_NestCount;
- #else
- value = sem->Sem.ss_NestCount;
- #endif
- }
- return value;
-}
-
-int SDL_SemPost(SDL_sem *sem)
-{
- if ( ! sem ) {
- SDL_SetError("Passed a NULL semaphore");
- return -1;
- }
- D(bug("SemPost semaphore...%lx\n",sem));
-
- ReleaseSemaphore(&sem->Sem);
- return 0;
-}
-