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#ifndef BH_THREAD_H
#define BH_THREAD_H
#include "Common.h"
#define BH_MAX_TSS 128
typedef struct BH_Lock BH_Lock;
typedef struct BH_Thread BH_Thread;
typedef struct BH_Mutex BH_Mutex;
typedef struct BH_Semaphore BH_Semaphore;
typedef struct BH_Condition BH_Condition;
typedef int (*BH_ThreadCallback)(void *);
/**
* Creates new thread with specified \a stack size, thread \a callback
* function and \a data.
*
* \param stack Stack size
* \param callback Callback function
* \param data User data
*
* \return On success, returns thread pointer.
* \return On failure, returns NULL pointer.
*/
BH_Thread *BH_ThreadNew(size_t stack,
BH_ThreadCallback callback,
void *data);
/**
* Joins the specified \a thread.
*
* \param thread Thread
*
* \return On success, returns zero.
* \return On failure, returns error code.
*/
int BH_ThreadJoin(BH_Thread *thread);
/**
* Detaches the specified \a thread.
*
* \param thread Thread
*
* \return On success, returns zero.
* \return On failure, returns error code.
*/
int BH_ThreadDetach(BH_Thread *thread);
/**
* Creates new mutex.
*
* \return On success, returns mutex pointer.
* \return On failure, returns NULL pointer.
*/
BH_Mutex *BH_MutexNew(void);
/**
* Frees the \a mutex.
*
* \param mutex Mutex
*/
void BH_MutexFree(BH_Mutex *mutex);
/**
* Locks the \a mutex.
*
* \param mutex Mutex
*
* \return On success, returns zero.
* \return On failure, returns error code.
*/
int BH_MutexLock(BH_Mutex *mutex);
/**
* Unlocks the \a mutex.
*
* \param mutex Mutex
*
* \return On success, returns zero.
* \return On failure, returns error code.
*/
int BH_MutexUnlock(BH_Mutex *mutex);
/**
* Tries to lock the \a mutex.
*
* \param mutex Mutex
*
* \return On success, returns zero.
* \return On failure, returns error code.
*/
int BH_MutexLockTry(BH_Mutex *mutex);
/**
* Creates new semaphore.
*
* \param value Semaphore value
*
* \return On success, returns thread pointer.
* \return On failure, returns NULL pointer.
*/
BH_Semaphore *BH_SemaphoreNew(int value);
/**
* Frees the \a semaphore.
*
* \param semaphore Semaphore
*/
void BH_SemaphoreFree(BH_Semaphore *semaphore);
/**
* Posts/increments the \a semaphore.
*
* \param semaphore Semaphore
*
* \return On success, returns zero.
* \return On failure, returns error code.
*/
int BH_SemaphorePost(BH_Semaphore *semaphore);
/**
* Waits/decrements the \a semaphore.
*
* \param semaphore Semaphore
*
* \return On success, returns zero.
* \return On failure, returns error code.
*/
int BH_SemaphoreWait(BH_Semaphore *semaphore);
/**
* Tries to wait/decrement the \a semaphore.
*
* \param semaphore Semaphore
*
* \return On success, returns zero.
* \return On failure, returns error code.
*/
int BH_SemaphoreWaitTry(BH_Semaphore *semaphore);
/**
* Waits/decrements the \a semaphore with \a timeout.
*
* If timeout occures, return code will be BH_TIMEOUT.
*
* \param semaphore Semaphore
* \param timeout Timeout in milliseconds
*
* \return On success, returns zero.
* \return On failure, returns error code.
*/
int BH_SemaphoreWaitFor(BH_Semaphore *semaphore,
uint32_t timeout);
/**
* Creates new condition variable.
*
* \return On success, returns condition variable pointer.
* \return On failure, returns NULL pointer.
*/
BH_Condition *BH_ConditionNew(void);
/**
* Frees the \a condition variable.
*
* \param condition Condition
*/
void BH_ConditionFree(BH_Condition *condition);
/**
* Unlocks the \a mutex and waits for the \a condition variable.
*
* \param condition Condition variable
* \param mutex Mutex
*
* \return On success, returns zero.
* \return On failure, returns error code.
*/
int BH_ConditionWait(BH_Condition *condition,
BH_Mutex *mutex);
/**
* Unlocks the \a mutex and waits for the \a condition variable with \a timeout.
*
* If timeout occures, return code will be BH_TIMEOUT.
*
* \param condition Condition variable
* \param mutex Mutex
* \param timeout Timeout in milliseconds
*
* \return On success, returns zero.
* \return On failure, returns error code.
*/
int BH_ConditionWaitFor(BH_Condition *condition,
BH_Mutex *mutex,
uint32_t timeout);
/**
* Signals the \a condition variable.
*
* \param condition Condition variable
*
* \return On success, returns zero.
* \return On failure, returns error code.
*/
int BH_ConditionSignal(BH_Condition *condition);
/**
* Broadcasts the \a condition variable.
*
* \param condition Condition variable
*
* \return On success, returns zero.
* \return On failure, returns error code.
*/
int BH_ConditionBroadcast(BH_Condition *condition);
/**
* Locks the \a spinlock.
*
* \param lock Spinlock
*/
void BH_SpinlockLock(int *lock);
/**
* Tries to lock the \a spinlock.
*
* \param lock Spinlock
*
* \return On success, returns zero.
* \return On failure, returns error code.
*/
int BH_SpinlockLockTry(int *lock);
/**
* Unlocks the \a spinlock.
*
* \param lock Spinlock
*/
void BH_SpinlockUnlock(int *lock);
/**
* Create new TSS/TLS slot index and destruction \a callback.
*
* \param callback Destruction callback
*
* \return On success, returns slot index.
* \return On failure, returns error code.
*/
int BH_TssCreate(BH_GenericCallback callback);
/**
* Reads the value associated with the TSS \a index.
*
* \param index TSS index
*
* \return Index value
*/
void *BH_TssRead(int index);
/**
* Writes the \a value to the TSS \a index.
*
* \param index TSS index to
* \param value Value
*/
void BH_TssWrite(int index,
void *value);
#endif /* BH_THREAD_H */
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