code formatting

This commit is contained in:
dborth 2009-05-29 15:28:11 +00:00
parent 771aa952a5
commit 63262e4da3
4 changed files with 94 additions and 79 deletions

View file

@ -44,12 +44,16 @@ SDL_cond * SDL_CreateCond(void)
SDL_cond *cond;
cond = (SDL_cond *) SDL_malloc(sizeof(SDL_cond));
if ( cond ) {
if (LWP_CondInit (&(cond->cond))<0) {
if (cond)
{
if (LWP_CondInit(&(cond->cond)) < 0)
{
SDL_DestroyCond(cond);
cond = NULL;
}
} else {
}
else
{
SDL_OutOfMemory();
}
return (cond);
@ -58,7 +62,8 @@ SDL_cond * SDL_CreateCond(void)
/* Destroy a condition variable */
void SDL_DestroyCond(SDL_cond *cond)
{
if ( cond ) {
if (cond)
{
LWP_CondDestroy(cond->cond);
SDL_free(cond);
}
@ -67,7 +72,8 @@ void SDL_DestroyCond(SDL_cond *cond)
/* Restart one of the threads that are waiting on the condition variable */
int SDL_CondSignal(SDL_cond *cond)
{
if ( ! cond ) {
if (!cond)
{
SDL_SetError("Passed a NULL condition variable");
return -1;
}
@ -79,7 +85,8 @@ int SDL_CondSignal(SDL_cond *cond)
/* Restart all threads that are waiting on the condition variable */
int SDL_CondBroadcast(SDL_cond *cond)
{
if ( ! cond ) {
if (!cond)
{
SDL_SetError("Passed a NULL condition variable");
return -1;
}
@ -115,7 +122,8 @@ int SDL_CondWaitTimeout(SDL_cond *cond, SDL_mutex *mutex, Uint32 ms)
struct timespec now;
struct timespec abstime;
if ( ! cond ) {
if (!cond)
{
SDL_SetError("Passed a NULL condition variable");
return -1;
}
@ -124,7 +132,8 @@ int SDL_CondWaitTimeout(SDL_cond *cond, SDL_mutex *mutex, Uint32 ms)
abstime.tv_sec = now.tv_sec + (ms / 1000);
abstime.tv_nsec = (now.tv_nsec + (ms % 1000) * 1000) * 1000;
if ( abstime.tv_nsec > 1000000000 ) {
if (abstime.tv_nsec > 1000000000)
{
abstime.tv_sec += 1;
abstime.tv_nsec -= 1000000000;
}
@ -136,5 +145,4 @@ int SDL_CondWaitTimeout(SDL_cond *cond, SDL_mutex *mutex, Uint32 ms)
int SDL_CondWait(SDL_cond *cond, SDL_mutex *mutex)
{
return LWP_CondWait(cond->cond, mutex->id);
}

View file

@ -28,20 +28,24 @@
#include <ogcsys.h>
struct SDL_mutex {
struct SDL_mutex
{
u32 id;
};
/* Create a mutex */
SDL_mutex *SDL_CreateMutex(void)
{
SDL_mutex *mutex;
SDL_mutex *mutex = NULL;
/* Allocate mutex memory */
mutex = (SDL_mutex *) SDL_malloc(sizeof(*mutex));
if ( mutex ) {
if (mutex)
{
LWP_MutexInit(&mutex->id, 0);
} else {
}
else
{
SDL_OutOfMemory();
}
return mutex;
@ -50,7 +54,8 @@ SDL_mutex *SDL_CreateMutex(void)
/* Free the mutex */
void SDL_DestroyMutex(SDL_mutex *mutex)
{
if ( mutex ) {
if (mutex)
{
LWP_MutexDestroy(mutex->id);
SDL_free(mutex);
}
@ -59,29 +64,24 @@ void SDL_DestroyMutex(SDL_mutex *mutex)
/* Lock the semaphore */
int SDL_mutexP(SDL_mutex *mutex)
{
if ( mutex == NULL ) {
if (mutex == NULL)
{
SDL_SetError("Passed a NULL mutex");
return -1;
}
return LWP_MutexLock(mutex->id);
}
/* Unlock the mutex */
int SDL_mutexV(SDL_mutex *mutex)
{
if ( mutex == NULL ) {
if (mutex == NULL)
{
SDL_SetError("Passed a NULL mutex");
return -1;
}
/* If we don't own the mutex, we can't unlock it */
/* if ( SDL_ThreadID() != mutex->owner ) {
SDL_SetError("mutex not owned by this thread");
return -1;
}*/
return LWP_MutexUnlock(mutex->id);
}

View file

@ -27,8 +27,6 @@
#include "SDL_thread.h"
#include "SDL_systhread_c.h"
struct SDL_semaphore
{
Uint32 count;
@ -42,7 +40,8 @@ SDL_sem *SDL_CreateSemaphore(Uint32 initial_value)
SDL_sem *sem;
sem = (SDL_sem *) SDL_malloc(sizeof(*sem));
if ( ! sem ) {
if (!sem)
{
SDL_OutOfMemory();
return NULL;
}
@ -51,7 +50,8 @@ SDL_sem *SDL_CreateSemaphore(Uint32 initial_value)
sem->count_lock = SDL_CreateMutex();
sem->count_nonzero = SDL_CreateCond();
if ( ! sem->count_lock || ! sem->count_nonzero ) {
if (!sem->count_lock || !sem->count_nonzero)
{
SDL_DestroySemaphore(sem);
return NULL;
}
@ -64,14 +64,17 @@ SDL_sem *SDL_CreateSemaphore(Uint32 initial_value)
*/
void SDL_DestroySemaphore(SDL_sem *sem)
{
if ( sem ) {
if (sem)
{
sem->count = 0xFFFFFFFF;
while ( sem->waiters_count > 0) {
while (sem->waiters_count > 0)
{
SDL_CondSignal(sem->count_nonzero);
SDL_Delay(10);
}
SDL_DestroyCond(sem->count_nonzero);
if ( sem->count_lock ) {
if (sem->count_lock)
{
SDL_mutexP(sem->count_lock);
SDL_mutexV(sem->count_lock);
SDL_DestroyMutex(sem->count_lock);
@ -84,14 +87,16 @@ int SDL_SemTryWait(SDL_sem *sem)
{
int retval;
if ( ! sem ) {
if (!sem)
{
SDL_SetError("Passed a NULL semaphore");
return -1;
}
retval = SDL_MUTEX_TIMEDOUT;
SDL_LockMutex(sem->count_lock);
if ( sem->count > 0 ) {
if (sem->count > 0)
{
--sem->count;
retval = 0;
}
@ -104,22 +109,25 @@ int SDL_SemWaitTimeout(SDL_sem *sem, Uint32 timeout)
{
int retval;
if ( ! sem ) {
if (!sem)
{
SDL_SetError("Passed a NULL semaphore");
return -1;
}
/* A timeout of 0 is an easy case */
if ( timeout == 0 ) {
if (timeout == 0)
{
return SDL_SemTryWait(sem);
}
SDL_LockMutex(sem->count_lock);
++sem->waiters_count;
retval = 0;
while ( (sem->count == 0) && (retval != SDL_MUTEX_TIMEDOUT) ) {
retval = SDL_CondWaitTimeout(sem->count_nonzero,
sem->count_lock, timeout);
while ((sem->count == 0) && (retval != SDL_MUTEX_TIMEDOUT))
{
retval = SDL_CondWaitTimeout(sem->count_nonzero, sem->count_lock,
timeout);
}
--sem->waiters_count;
--sem->count;
@ -138,7 +146,8 @@ Uint32 SDL_SemValue(SDL_sem *sem)
Uint32 value;
value = 0;
if ( sem ) {
if (sem)
{
SDL_LockMutex(sem->count_lock);
value = sem->count;
SDL_UnlockMutex(sem->count_lock);
@ -148,13 +157,15 @@ Uint32 SDL_SemValue(SDL_sem *sem)
int SDL_SemPost(SDL_sem *sem)
{
if ( ! sem ) {
if (!sem)
{
SDL_SetError("Passed a NULL semaphore");
return -1;
}
SDL_LockMutex(sem->count_lock);
if ( sem->waiters_count > 0 ) {
if (sem->waiters_count > 0)
{
SDL_CondSignal(sem->count_nonzero);
}
++sem->count;
@ -162,5 +173,3 @@ int SDL_SemPost(SDL_sem *sem)
return 0;
}

View file

@ -48,7 +48,6 @@ void *run_thread(void *data)
int SDL_SYS_CreateThread(SDL_Thread *thread, void *args)
{
//SDL_SetError("Threads are not supported on this platform");
LWP_CreateThread(&thread->handle, run_thread, args, 0, 0, 10);
return (0);
}
@ -74,4 +73,3 @@ void SDL_SYS_KillThread(SDL_Thread *thread)
{
return;
}