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-rw-r--r--distrib/sdl-1.2.12/src/thread/os2/SDL_syscond.c215
-rw-r--r--distrib/sdl-1.2.12/src/thread/os2/SDL_syscond_c.h23
-rw-r--r--distrib/sdl-1.2.12/src/thread/os2/SDL_sysmutex.c108
-rw-r--r--distrib/sdl-1.2.12/src/thread/os2/SDL_syssem.c192
-rw-r--r--distrib/sdl-1.2.12/src/thread/os2/SDL_systhread.c108
-rw-r--r--distrib/sdl-1.2.12/src/thread/os2/SDL_systhread_c.h28
6 files changed, 0 insertions, 674 deletions
diff --git a/distrib/sdl-1.2.12/src/thread/os2/SDL_syscond.c b/distrib/sdl-1.2.12/src/thread/os2/SDL_syscond.c
deleted file mode 100644
index 25577e4..0000000
--- a/distrib/sdl-1.2.12/src/thread/os2/SDL_syscond.c
+++ /dev/null
@@ -1,215 +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 condition variables using semaphores and mutexes */
-/*
- This implementation borrows heavily from the BeOS condition variable
- implementation, written by Christopher Tate and Owen Smith. Thanks!
- */
-
-#include "SDL_thread.h"
-
-struct SDL_cond
-{
- SDL_mutex *lock;
- int waiting;
- int signals;
- SDL_sem *wait_sem;
- SDL_sem *wait_done;
-};
-
-/* Create a condition variable */
-DECLSPEC SDL_cond * SDLCALL SDL_CreateCond(void)
-{
- SDL_cond *cond;
-
- cond = (SDL_cond *) SDL_malloc(sizeof(SDL_cond));
- if ( cond ) {
- cond->lock = SDL_CreateMutex();
- cond->wait_sem = SDL_CreateSemaphore(0);
- cond->wait_done = SDL_CreateSemaphore(0);
- cond->waiting = cond->signals = 0;
- if ( ! cond->lock || ! cond->wait_sem || ! cond->wait_done ) {
- SDL_DestroyCond(cond);
- cond = NULL;
- }
- } else {
- SDL_OutOfMemory();
- }
- return(cond);
-}
-
-/* Destroy a condition variable */
-DECLSPEC void SDLCALL SDL_DestroyCond(SDL_cond *cond)
-{
- if ( cond ) {
- if ( cond->wait_sem ) {
- SDL_DestroySemaphore(cond->wait_sem);
- }
- if ( cond->wait_done ) {
- SDL_DestroySemaphore(cond->wait_done);
- }
- if ( cond->lock ) {
- SDL_DestroyMutex(cond->lock);
- }
- SDL_free(cond);
- }
-}
-
-/* Restart one of the threads that are waiting on the condition variable */
-DECLSPEC int SDLCALL SDL_CondSignal(SDL_cond *cond)
-{
- if ( ! cond ) {
- SDL_SetError("Passed a NULL condition variable");
- return -1;
- }
-
- /* If there are waiting threads not already signalled, then
- signal the condition and wait for the thread to respond.
- */
- SDL_LockMutex(cond->lock);
- if ( cond->waiting > cond->signals ) {
- ++cond->signals;
- SDL_SemPost(cond->wait_sem);
- SDL_UnlockMutex(cond->lock);
- SDL_SemWait(cond->wait_done);
- } else {
- SDL_UnlockMutex(cond->lock);
- }
-
- return 0;
-}
-
-/* Restart all threads that are waiting on the condition variable */
-DECLSPEC int SDLCALL SDL_CondBroadcast(SDL_cond *cond)
-{
- if ( ! cond ) {
- SDL_SetError("Passed a NULL condition variable");
- return -1;
- }
-
- /* If there are waiting threads not already signalled, then
- signal the condition and wait for the thread to respond.
- */
- SDL_LockMutex(cond->lock);
- if ( cond->waiting > cond->signals ) {
- int i, num_waiting;
-
- num_waiting = (cond->waiting - cond->signals);
- cond->signals = cond->waiting;
- for ( i=0; i<num_waiting; ++i ) {
- SDL_SemPost(cond->wait_sem);
- }
- /* Now all released threads are blocked here, waiting for us.
- Collect them all (and win fabulous prizes!) :-)
- */
- SDL_UnlockMutex(cond->lock);
- for ( i=0; i<num_waiting; ++i ) {
- SDL_SemWait(cond->wait_done);
- }
- } else {
- SDL_UnlockMutex(cond->lock);
- }
-
- return 0;
-}
-
-/* Wait on the condition variable for at most 'ms' milliseconds.
- The mutex must be locked before entering this function!
- The mutex is unlocked during the wait, and locked again after the wait.
-
-Typical use:
-
-Thread A:
- SDL_LockMutex(lock);
- while ( ! condition ) {
- SDL_CondWait(cond);
- }
- SDL_UnlockMutex(lock);
-
-Thread B:
- SDL_LockMutex(lock);
- ...
- condition = true;
- ...
- SDL_UnlockMutex(lock);
- */
-DECLSPEC int SDLCALL SDL_CondWaitTimeout(SDL_cond *cond, SDL_mutex *mutex, Uint32 ms)
-{
- int retval;
-
- if ( ! cond ) {
- SDL_SetError("Passed a NULL condition variable");
- return -1;
- }
-
- /* Obtain the protection mutex, and increment the number of waiters.
- This allows the signal mechanism to only perform a signal if there
- are waiting threads.
- */
- SDL_LockMutex(cond->lock);
- ++cond->waiting;
- SDL_UnlockMutex(cond->lock);
-
- /* Unlock the mutex, as is required by condition variable semantics */
- SDL_UnlockMutex(mutex);
-
- /* Wait for a signal */
- if ( ms == SDL_MUTEX_MAXWAIT ) {
- retval = SDL_SemWait(cond->wait_sem);
- } else {
- retval = SDL_SemWaitTimeout(cond->wait_sem, ms);
- }
-
- /* Let the signaler know we have completed the wait, otherwise
- the signaler can race ahead and get the condition semaphore
- if we are stopped between the mutex unlock and semaphore wait,
- giving a deadlock. See the following URL for details:
- http://www-classic.be.com/aboutbe/benewsletter/volume_III/Issue40.html
- */
- SDL_LockMutex(cond->lock);
- if ( cond->signals > 0 ) {
- /* If we timed out, we need to eat a condition signal */
- if ( retval > 0 ) {
- SDL_SemWait(cond->wait_sem);
- }
- /* We always notify the signal thread that we are done */
- SDL_SemPost(cond->wait_done);
-
- /* Signal handshake complete */
- --cond->signals;
- }
- --cond->waiting;
- SDL_UnlockMutex(cond->lock);
-
- /* Lock the mutex, as is required by condition variable semantics */
- SDL_LockMutex(mutex);
-
- return retval;
-}
-
-/* Wait on the condition variable forever */
-DECLSPEC int SDLCALL SDL_CondWait(SDL_cond *cond, SDL_mutex *mutex)
-{
- return SDL_CondWaitTimeout(cond, mutex, SDL_MUTEX_MAXWAIT);
-}
diff --git a/distrib/sdl-1.2.12/src/thread/os2/SDL_syscond_c.h b/distrib/sdl-1.2.12/src/thread/os2/SDL_syscond_c.h
deleted file mode 100644
index 27d5509..0000000
--- a/distrib/sdl-1.2.12/src/thread/os2/SDL_syscond_c.h
+++ /dev/null
@@ -1,23 +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"
-
diff --git a/distrib/sdl-1.2.12/src/thread/os2/SDL_sysmutex.c b/distrib/sdl-1.2.12/src/thread/os2/SDL_sysmutex.c
deleted file mode 100644
index ea75cce..0000000
--- a/distrib/sdl-1.2.12/src/thread/os2/SDL_sysmutex.c
+++ /dev/null
@@ -1,108 +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"
-
-/* Mutex functions using the OS/2 API */
-
-#define INCL_DOSERRORS
-#define INCL_DOSSEMAPHORES
-#include <os2.h>
-
-#include "SDL_mutex.h"
-
-
-struct SDL_mutex {
- HMTX hmtxID;
-};
-
-/* Create a mutex */
-DECLSPEC SDL_mutex * SDLCALL SDL_CreateMutex(void)
-{
- SDL_mutex *mutex;
- APIRET ulrc;
-
- /* Allocate mutex memory */
- mutex = (SDL_mutex *)SDL_malloc(sizeof(*mutex));
- if (mutex)
- {
- /* Create the mutex, with initial value signaled */
- ulrc = DosCreateMutexSem(NULL, // Create unnamed semaphore
- &(mutex->hmtxID), // Pointer to handle
- 0L, // Flags: create it private (not shared)
- FALSE); // Initial value: unowned
- if (ulrc!=NO_ERROR)
- {
- SDL_SetError("Couldn't create mutex");
- SDL_free(mutex);
- mutex = NULL;
- }
- } else {
- SDL_OutOfMemory();
- }
- return(mutex);
-}
-
-/* Free the mutex */
-DECLSPEC void SDLCALL SDL_DestroyMutex(SDL_mutex *mutex)
-{
- if ( mutex )
- {
- if ( mutex->hmtxID )
- {
- DosCloseMutexSem(mutex->hmtxID);
- mutex->hmtxID = 0;
- }
- SDL_free(mutex);
- }
-}
-
-/* Lock the mutex */
-DECLSPEC int SDLCALL SDL_mutexP(SDL_mutex *mutex)
-{
- if ( mutex == NULL )
- {
- SDL_SetError("Passed a NULL mutex");
- return -1;
- }
- if ( DosRequestMutexSem(mutex->hmtxID, SEM_INDEFINITE_WAIT) != NO_ERROR )
- {
- SDL_SetError("Couldn't wait on mutex");
- return -1;
- }
- return(0);
-}
-
-/* Unlock the mutex */
-DECLSPEC int SDLCALL SDL_mutexV(SDL_mutex *mutex)
-{
- if ( mutex == NULL )
- {
- SDL_SetError("Passed a NULL mutex");
- return -1;
- }
- if ( DosReleaseMutexSem(mutex->hmtxID) != NO_ERROR )
- {
- SDL_SetError("Couldn't release mutex");
- return -1;
- }
- return(0);
-}
diff --git a/distrib/sdl-1.2.12/src/thread/os2/SDL_syssem.c b/distrib/sdl-1.2.12/src/thread/os2/SDL_syssem.c
deleted file mode 100644
index d445934..0000000
--- a/distrib/sdl-1.2.12/src/thread/os2/SDL_syssem.c
+++ /dev/null
@@ -1,192 +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"
-
-/* Semaphore functions using the OS/2 API */
-
-#define INCL_DOS
-#define INCL_DOSERRORS
-#define INCL_DOSSEMAPHORES
-#include <os2.h>
-
-#include "SDL_thread.h"
-#include "SDL_timer.h"
-
-
-struct SDL_semaphore {
- HMTX id;
- HEV changed;
- Uint32 value;
-};
-
-
-/* Create a semaphore */
-DECLSPEC SDL_sem * SDLCALL SDL_CreateSemaphore(Uint32 initial_value)
-{
- SDL_sem *sem;
- ULONG ulrc;
-
- /* Allocate sem memory */
- sem = (SDL_sem *)SDL_malloc(sizeof(*sem));
- if ( sem ) {
- /* Create the mutex semaphore */
- ulrc = DosCreateMutexSem(NULL,&(sem->id),0,TRUE);
- if ( ulrc ) {
- SDL_SetError("Couldn't create semaphore");
- SDL_free(sem);
- sem = NULL;
- } else
- {
- DosCreateEventSem(NULL, &(sem->changed), 0, FALSE);
- sem->value = initial_value;
- DosReleaseMutexSem(sem->id);
- }
- } else {
- SDL_OutOfMemory();
- }
- return(sem);
-}
-
-/* Free the semaphore */
-DECLSPEC void SDLCALL SDL_DestroySemaphore(SDL_sem *sem)
-{
- if ( sem ) {
- if ( sem->id ) {
- DosCloseEventSem(sem->changed);
- DosCloseMutexSem(sem->id);
- sem->id = 0;
- }
- SDL_free(sem);
- }
-}
-
-DECLSPEC int SDLCALL SDL_SemWaitTimeout(SDL_sem *sem, Uint32 timeout)
-{
- ULONG ulrc;
-
- if ( ! sem ) {
- SDL_SetError("Passed a NULL sem");
- return -1;
- }
-
- if ( timeout == SDL_MUTEX_MAXWAIT ) {
- while (1) {
- ulrc = DosRequestMutexSem(sem->id, SEM_INDEFINITE_WAIT);
- if (ulrc) {
- /* if error waiting mutex */
- SDL_SetError("DosRequestMutexSem() failed");
- return -1;
- } else if (sem->value) {
- sem->value--;
- DosReleaseMutexSem(sem->id);
- return 0;
- } else {
- ULONG ulPostCount;
- DosResetEventSem(sem->changed, &ulPostCount);
- DosReleaseMutexSem(sem->id);
- /* continue waiting until somebody posts the semaphore */
- DosWaitEventSem(sem->changed, SEM_INDEFINITE_WAIT);
- }
- }
- } else
- if ( timeout == 0 )
- {
- ulrc = DosRequestMutexSem(sem->id, SEM_INDEFINITE_WAIT);
- if (ulrc==NO_ERROR)
- {
- if (sem->value)
- {
- sem->value--;
- DosReleaseMutexSem(sem->id);
- return 0;
- } else
- {
- DosReleaseMutexSem(sem->id);
- return SDL_MUTEX_TIMEDOUT;
- }
- } else
- {
- SDL_SetError("DosRequestMutexSem() failed");
- return -1;
- }
- } else {
- ulrc = DosRequestMutexSem(sem->id, SEM_INDEFINITE_WAIT);
- if (ulrc) {
- /* if error waiting mutex */
- SDL_SetError("DosRequestMutexSem() failed");
- return -1;
- } else
- if (sem->value) {
- sem->value--;
- DosReleaseMutexSem(sem->id);
- return 0;
- } else {
- ULONG ulPostCount;
- DosResetEventSem(sem->changed, &ulPostCount);
- DosReleaseMutexSem(sem->id);
- /* continue waiting until somebody posts the semaphore */
- ulrc = DosWaitEventSem(sem->changed, timeout);
- if (ulrc==NO_ERROR)
- return 0;
- else
- return SDL_MUTEX_TIMEDOUT;
- }
- }
- /* never reached */
- return -1;
-}
-
-DECLSPEC int SDLCALL SDL_SemTryWait(SDL_sem *sem)
-{
- return SDL_SemWaitTimeout(sem, 0);
-}
-
-DECLSPEC int SDLCALL SDL_SemWait(SDL_sem *sem)
-{
- return SDL_SemWaitTimeout(sem, SDL_MUTEX_MAXWAIT);
-}
-
-/* Returns the current count of the semaphore */
-DECLSPEC Uint32 SDLCALL SDL_SemValue(SDL_sem *sem)
-{
- if ( ! sem ) {
- SDL_SetError("Passed a NULL sem");
- return 0;
- }
- return sem->value;
-}
-
-DECLSPEC int SDLCALL SDL_SemPost(SDL_sem *sem)
-{
- if ( ! sem ) {
- SDL_SetError("Passed a NULL sem");
- return -1;
- }
- if ( DosRequestMutexSem(sem->id,SEM_INDEFINITE_WAIT) ) {
- SDL_SetError("DosRequestMutexSem() failed");
- return -1;
- }
- sem->value++;
- DosPostEventSem(sem->changed);
- DosReleaseMutexSem(sem->id);
- return 0;
-}
diff --git a/distrib/sdl-1.2.12/src/thread/os2/SDL_systhread.c b/distrib/sdl-1.2.12/src/thread/os2/SDL_systhread.c
deleted file mode 100644
index 5a174d9..0000000
--- a/distrib/sdl-1.2.12/src/thread/os2/SDL_systhread.c
+++ /dev/null
@@ -1,108 +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"
-
-/* OS/2 thread management routines for SDL */
-
-#include <process.h>
-#define INCL_DOSERRORS
-#define INCL_DOSPROCESS
-#include <os2.h>
-
-#include "SDL_thread.h"
-#include "../SDL_systhread.h"
-#include "../SDL_thread_c.h"
-
-typedef struct ThreadStartParms
-{
- void *args;
- pfnSDL_CurrentEndThread pfnCurrentEndThread;
-} tThreadStartParms, *pThreadStartParms;
-
-static void threadfunc(void *pparm)
-{
- pThreadStartParms pThreadParms = pparm;
- pfnSDL_CurrentEndThread pfnCurrentEndThread = NULL;
-
- // Call the thread function!
- SDL_RunThread(pThreadParms->args);
-
- // Get the current endthread we have to use!
- if (pThreadParms)
- {
- pfnCurrentEndThread = pThreadParms->pfnCurrentEndThread;
- SDL_free(pThreadParms);
- }
- // Call endthread!
- if (pfnCurrentEndThread)
- (*pfnCurrentEndThread)();
-}
-
-int SDL_SYS_CreateThread(SDL_Thread *thread, void *args, pfnSDL_CurrentBeginThread pfnBeginThread, pfnSDL_CurrentEndThread pfnEndThread)
-{
- pThreadStartParms pThreadParms = SDL_malloc(sizeof(tThreadStartParms));
- if (!pThreadParms)
- {
- SDL_SetError("Not enough memory to create thread");
- return(-1);
- }
-
- // Save the function which we will have to call to clear the RTL of calling app!
- pThreadParms->pfnCurrentEndThread = pfnEndThread;
- // Also save the real parameters we have to pass to thread function
- pThreadParms->args = args;
- // Start the thread using the runtime library of calling app!
- thread->threadid = thread->handle = (*pfnBeginThread)(threadfunc, NULL, 512*1024, pThreadParms);
- if ((int)thread->threadid <= 0)
- {
- SDL_SetError("Not enough resources to create thread");
- return(-1);
- }
- return(0);
-}
-
-void SDL_SYS_SetupThread(void)
-{
- return;
-}
-
-DECLSPEC Uint32 SDLCALL SDL_ThreadID(void)
-{
- PTIB tib;
- DosGetInfoBlocks(&tib, NULL);
- return((Uint32) (tib->tib_ptib2->tib2_ultid));
-}
-
-void SDL_SYS_WaitThread(SDL_Thread *thread)
-{
- TID tid = thread->handle;
- DosWaitThread(&tid, DCWW_WAIT);
-}
-
-/* WARNING: This function is really a last resort.
- * Threads should be signaled and then exit by themselves.
- * TerminateThread() doesn't perform stack and DLL cleanup.
- */
-void SDL_SYS_KillThread(SDL_Thread *thread)
-{
- DosKillThread(thread->handle);
-}
diff --git a/distrib/sdl-1.2.12/src/thread/os2/SDL_systhread_c.h b/distrib/sdl-1.2.12/src/thread/os2/SDL_systhread_c.h
deleted file mode 100644
index 186419d..0000000
--- a/distrib/sdl-1.2.12/src/thread/os2/SDL_systhread_c.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- SDL - Simple DirectMedia Layer
- Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public
- License as published by the Free Software Foundation; either
- version 2 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with this library; if not, write to the Free
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-
- Sam Lantinga
- slouken@libsdl.org
-*/
-#include "SDL_config.h"
-
-#define INCL_DOSPROCESS
-#include <os2.h>
-
-typedef TID SYS_ThreadHandle;
-
generated by cgit v1.1 at 2024-05-14 09:21:47 +0000