Mutex
[Kernel]

宏定义
#define	LOS_ERRNO_MUX_NO_MEMORY   LOS_ERRNO_OS_ERROR(LOS_MOD_MUX, 0x00)
	Mutex error code: The memory request fails.
#define	LOS_ERRNO_MUX_INVALID   LOS_ERRNO_OS_ERROR(LOS_MOD_MUX, 0x01)
	Mutex error code: The mutex is not usable.
#define	LOS_ERRNO_MUX_PTR_NULL   LOS_ERRNO_OS_ERROR(LOS_MOD_MUX, 0x02)
	Mutex error code: Null pointer.
#define	LOS_ERRNO_MUX_ALL_BUSY   LOS_ERRNO_OS_ERROR(LOS_MOD_MUX, 0x03)
	Mutex error code: No mutex is available and the mutex request fails.
#define	LOS_ERRNO_MUX_UNAVAILABLE   LOS_ERRNO_OS_ERROR(LOS_MOD_MUX, 0x04)
	Mutex error code: The mutex fails to be locked in non-blocking mode because it is locked by another thread.
#define	LOS_ERRNO_MUX_PEND_INTERR   LOS_ERRNO_OS_ERROR(LOS_MOD_MUX, 0x05)
	Mutex error code: The mutex is being locked during an interrupt.
#define	LOS_ERRNO_MUX_PEND_IN_LOCK   LOS_ERRNO_OS_ERROR(LOS_MOD_MUX, 0x06)
	Mutex error code: A thread locks a mutex after waiting for the mutex to be unlocked by another thread when the task scheduling is disabled.
#define	LOS_ERRNO_MUX_TIMEOUT   LOS_ERRNO_OS_ERROR(LOS_MOD_MUX, 0x07)
	Mutex error code: The mutex locking times out.
#define	LOS_ERRNO_MUX_OVERFLOW   LOS_ERRNO_OS_ERROR(LOS_MOD_MUX, 0x08)
	Value: 0x02001d08 Not in use temporarily.
#define	LOS_ERRNO_MUX_PENDED   LOS_ERRNO_OS_ERROR(LOS_MOD_MUX, 0x09)
	Mutex error code: The mutex to be deleted is being locked.
#define	LOS_ERRNO_MUX_GET_COUNT_ERR   LOS_ERRNO_OS_ERROR(LOS_MOD_MUX, 0x0A)
	Value: 0x02001d0A Not in use temporarily.
#define	LOS_ERRNO_MUX_REG_ERROR   LOS_ERRNO_OS_ERROR(LOS_MOD_MUX, 0x0B)
	Value: 0x02001d0B Not in use temporarily.
#define	LOS_ERRNO_MUX_MAXNUM_ZERO   LOS_ERRNO_OS_ERROR(LOS_MOD_MUX, 0x0C)
	Mutex error code: LOS_ERRNO_MUX_MAXNUM_ZERO is zero.
函数
UINT32	LOS_MuxCreate (UINT32 *puwMuxHandle)
	Create a mutex.
UINT32	LOS_MuxDelete (UINT32 puwMuxHandle)
	Delete a mutex.
UINT32	LOS_MuxPend (UINT32 uwMuxHandle, UINT32 uwTimeout)
	Wait to lock a mutex.
UINT32	LOS_MuxPost (UINT32 uwMuxHandle)
	Release a mutex.