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38
sonic3air-main/framework/external/sdl/SDL2/src/thread/generic/SDL_systls.c
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/* | ||
Simple DirectMedia Layer | ||
Copyright (C) 1997-2022 Sam Lantinga <[email protected]> | ||
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, subject to the following restrictions: | ||
1. The origin of this software must not be misrepresented; you must not | ||
claim that you wrote the original software. If you use this software | ||
in a product, an acknowledgment in the product documentation would be | ||
appreciated but is not required. | ||
2. Altered source versions must be plainly marked as such, and must not be | ||
misrepresented as being the original software. | ||
3. This notice may not be removed or altered from any source distribution. | ||
*/ | ||
|
||
#include "../../SDL_internal.h" | ||
#include "../SDL_thread_c.h" | ||
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SDL_TLSData * | ||
SDL_SYS_GetTLSData(void) | ||
{ | ||
return SDL_Generic_GetTLSData(); | ||
} | ||
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int | ||
SDL_SYS_SetTLSData(SDL_TLSData *data) | ||
{ | ||
return SDL_Generic_SetTLSData(data); | ||
} | ||
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/* vi: set ts=4 sw=4 expandtab: */ |
123 changes: 123 additions & 0 deletions
123
sonic3air-main/framework/external/sdl/SDL2/src/thread/ngage/SDL_sysmutex.cpp
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/* | ||
Simple DirectMedia Layer | ||
Copyright (C) 1997-2022 Sam Lantinga <[email protected]> | ||
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, subject to the following restrictions: | ||
1. The origin of this software must not be misrepresented; you must not | ||
claim that you wrote the original software. If you use this software | ||
in a product, an acknowledgment in the product documentation would be | ||
appreciated but is not required. | ||
2. Altered source versions must be plainly marked as such, and must not be | ||
misrepresented as being the original software. | ||
3. This notice may not be removed or altered from any source distribution. | ||
*/ | ||
#include "../../SDL_internal.h" | ||
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/* An implementation of mutexes using the Symbian API. */ | ||
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#include <e32std.h> | ||
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#include "SDL_thread.h" | ||
#include "SDL_systhread_c.h" | ||
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struct SDL_mutex | ||
{ | ||
TInt handle; | ||
}; | ||
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extern TInt CreateUnique(TInt (*aFunc)(const TDesC& aName, TAny*, TAny*), TAny*, TAny*); | ||
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static TInt NewMutex(const TDesC& aName, TAny* aPtr1, TAny*) | ||
{ | ||
return ((RMutex*)aPtr1)->CreateGlobal(aName); | ||
} | ||
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/* Create a mutex */ | ||
SDL_mutex * | ||
SDL_CreateMutex(void) | ||
{ | ||
RMutex rmutex; | ||
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TInt status = CreateUnique(NewMutex, &rmutex, NULL); | ||
if(status != KErrNone) | ||
{ | ||
SDL_SetError("Couldn't create mutex."); | ||
} | ||
SDL_mutex* mutex = new /*(ELeave)*/ SDL_mutex; | ||
mutex->handle = rmutex.Handle(); | ||
return(mutex); | ||
} | ||
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/* Free the mutex */ | ||
void | ||
SDL_DestroyMutex(SDL_mutex * mutex) | ||
{ | ||
if (mutex) | ||
{ | ||
RMutex rmutex; | ||
rmutex.SetHandle(mutex->handle); | ||
rmutex.Signal(); | ||
rmutex.Close(); | ||
delete(mutex); | ||
mutex = NULL; | ||
} | ||
} | ||
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/* Try to lock the mutex */ | ||
#if 0 | ||
int | ||
SDL_TryLockMutex(SDL_mutex * mutex) | ||
{ | ||
if (mutex == NULL) | ||
{ | ||
SDL_SetError("Passed a NULL mutex."); | ||
return -1; | ||
} | ||
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// Not yet implemented. | ||
return 0; | ||
} | ||
#endif | ||
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/* Lock the mutex */ | ||
int | ||
SDL_LockMutex(SDL_mutex * mutex) | ||
{ | ||
if (mutex == NULL) | ||
{ | ||
SDL_SetError("Passed a NULL mutex."); | ||
return -1; | ||
} | ||
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RMutex rmutex; | ||
rmutex.SetHandle(mutex->handle); | ||
rmutex.Wait(); | ||
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return(0); | ||
} | ||
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/* Unlock the mutex */ | ||
int | ||
SDL_UnlockMutex(SDL_mutex * mutex) | ||
{ | ||
if ( mutex == NULL ) | ||
{ | ||
SDL_SetError("Passed a NULL mutex."); | ||
return -1; | ||
} | ||
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RMutex rmutex; | ||
rmutex.SetHandle(mutex->handle); | ||
rmutex.Signal(); | ||
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return(0); | ||
} | ||
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/* vi: set ts=4 sw=4 expandtab: */ |
195 changes: 195 additions & 0 deletions
195
sonic3air-main/framework/external/sdl/SDL2/src/thread/ngage/SDL_syssem.cpp
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@@ -0,0 +1,195 @@ | ||
/* | ||
Simple DirectMedia Layer | ||
Copyright (C) 1997-2022 Sam Lantinga <[email protected]> | ||
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, subject to the following restrictions: | ||
1. The origin of this software must not be misrepresented; you must not | ||
claim that you wrote the original software. If you use this software | ||
in a product, an acknowledgment in the product documentation would be | ||
appreciated but is not required. | ||
2. Altered source versions must be plainly marked as such, and must not be | ||
misrepresented as being the original software. | ||
3. This notice may not be removed or altered from any source distribution. | ||
*/ | ||
#include "../../SDL_internal.h" | ||
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/* An implementation of semaphores using the Symbian API. */ | ||
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#include <e32std.h> | ||
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#include "SDL_error.h" | ||
#include "SDL_thread.h" | ||
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#define SDL_MUTEX_TIMEOUT -2 | ||
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struct SDL_semaphore | ||
{ | ||
TInt handle; | ||
TInt count; | ||
}; | ||
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struct TInfo | ||
{ | ||
TInfo(TInt aTime, TInt aHandle) : | ||
iTime(aTime), iHandle(aHandle), iVal(0) {} | ||
TInt iTime; | ||
TInt iHandle; | ||
TInt iVal; | ||
}; | ||
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extern TInt CreateUnique(TInt (*aFunc)(const TDesC& aName, TAny*, TAny*), TAny*, TAny*); | ||
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static TBool RunThread(TAny* aInfo) | ||
{ | ||
TInfo* info = STATIC_CAST(TInfo*, aInfo); | ||
User::After(info->iTime); | ||
RSemaphore sema; | ||
sema.SetHandle(info->iHandle); | ||
sema.Signal(); | ||
info->iVal = SDL_MUTEX_TIMEOUT; | ||
return 0; | ||
} | ||
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static TInt | ||
NewThread(const TDesC& aName, TAny* aPtr1, TAny* aPtr2) | ||
{ | ||
return ((RThread*)(aPtr1))->Create | ||
(aName, | ||
RunThread, | ||
KDefaultStackSize, | ||
NULL, | ||
aPtr2); | ||
} | ||
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static TInt NewSema(const TDesC& aName, TAny* aPtr1, TAny* aPtr2) | ||
{ | ||
TInt value = *((TInt*) aPtr2); | ||
return ((RSemaphore*)aPtr1)->CreateGlobal(aName, value); | ||
} | ||
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static void WaitAll(SDL_sem *sem) | ||
{ | ||
RSemaphore sema; | ||
sema.SetHandle(sem->handle); | ||
sema.Wait(); | ||
while(sem->count < 0) | ||
{ | ||
sema.Wait(); | ||
} | ||
} | ||
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SDL_sem * | ||
SDL_CreateSemaphore(Uint32 initial_value) | ||
{ | ||
RSemaphore s; | ||
TInt status = CreateUnique(NewSema, &s, &initial_value); | ||
if(status != KErrNone) | ||
{ | ||
SDL_SetError("Couldn't create semaphore"); | ||
} | ||
SDL_semaphore* sem = new /*(ELeave)*/ SDL_semaphore; | ||
sem->handle = s.Handle(); | ||
sem->count = initial_value; | ||
return(sem); | ||
} | ||
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void | ||
SDL_DestroySemaphore(SDL_sem * sem) | ||
{ | ||
if (sem) | ||
{ | ||
RSemaphore sema; | ||
sema.SetHandle(sem->handle); | ||
sema.Signal(sema.Count()); | ||
sema.Close(); | ||
delete sem; | ||
sem = NULL; | ||
} | ||
} | ||
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int | ||
SDL_SemWaitTimeout(SDL_sem * sem, Uint32 timeout) | ||
{ | ||
if (! sem) | ||
{ | ||
SDL_SetError("Passed a NULL sem"); | ||
return -1; | ||
} | ||
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if (timeout == SDL_MUTEX_MAXWAIT) | ||
{ | ||
WaitAll(sem); | ||
return SDL_MUTEX_MAXWAIT; | ||
} | ||
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RThread thread; | ||
TInfo* info = new (ELeave)TInfo(timeout, sem->handle); | ||
TInt status = CreateUnique(NewThread, &thread, info); | ||
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if(status != KErrNone) | ||
{ | ||
return status; | ||
} | ||
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thread.Resume(); | ||
WaitAll(sem); | ||
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if(thread.ExitType() == EExitPending) | ||
{ | ||
thread.Kill(SDL_MUTEX_TIMEOUT); | ||
} | ||
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thread.Close(); | ||
return info->iVal; | ||
} | ||
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int | ||
SDL_SemTryWait(SDL_sem *sem) | ||
{ | ||
if(sem->count > 0) | ||
{ | ||
sem->count--; | ||
} | ||
return SDL_MUTEX_TIMEOUT; | ||
} | ||
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int | ||
SDL_SemWait(SDL_sem * sem) | ||
{ | ||
return SDL_SemWaitTimeout(sem, SDL_MUTEX_MAXWAIT); | ||
} | ||
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Uint32 | ||
SDL_SemValue(SDL_sem * sem) | ||
{ | ||
if (! sem) | ||
{ | ||
SDL_SetError("Passed a NULL sem."); | ||
return 0; | ||
} | ||
return sem->count; | ||
} | ||
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int | ||
SDL_SemPost(SDL_sem * sem) | ||
{ | ||
if (! sem) | ||
{ | ||
SDL_SetError("Passed a NULL sem."); | ||
return -1; | ||
} | ||
sem->count++; | ||
RSemaphore sema; | ||
sema.SetHandle(sem->handle); | ||
sema.Signal(); | ||
return 0; | ||
} | ||
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/* vi: set ts=4 sw=4 expandtab: */ |
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