los_spinlock.c 文件参考

浏览源代码.

函数
VOID	LOS_SpinInit (SPIN_LOCK_S *lock)
BOOL	LOS_SpinHeld (const SPIN_LOCK_S *lock)
VOID	LOS_SpinLock (SPIN_LOCK_S *lock)
INT32	LOS_SpinTrylock (SPIN_LOCK_S *lock)
VOID	LOS_SpinUnlock (SPIN_LOCK_S *lock)
VOID	LOS_SpinLockSave (SPIN_LOCK_S *lock, UINT32 *intSave)
VOID	LOS_SpinUnlockRestore (SPIN_LOCK_S *lock, UINT32 intSave)

函数说明

LOS_SpinHeld()

LITE_OS_SEC_ALW_INLINE STATIC INLINE BOOL LOS_SpinHeld

(

const SPIN_LOCK_S *

lock

)

在文件 los_spinlock.c 第 45 行定义.

{
    return (lock->rawLock != 0);
}

这是这个函数的调用关系图:

LOS_SpinInit()

LITE_OS_SEC_ALW_INLINE STATIC INLINE VOID LOS_SpinInit

(

SPIN_LOCK_S *

lock

)

在文件 los_spinlock.c 第 37 行定义.

{
    lock->rawLock = 0;
    lock->cpuid   = (UINT32)-1;
    lock->owner   = SPINLOCK_OWNER_INIT;
    lock->name    = "spinlock";
}

这是这个函数的调用关系图:

LOS_SpinLock()

LITE_OS_SEC_ALW_INLINE STATIC INLINE VOID LOS_SpinLock

(

SPIN_LOCK_S *

lock

)

在文件 los_spinlock.c 第 50 行定义.

{
    UINT32 intSave = LOS_IntLock();
    OsSchedLock();
    LOS_IntRestore(intSave);
 
    LOCKDEP_CHECK_IN(lock);
    ArchSpinLock(&lock->rawLock);
    LOCKDEP_RECORD(lock);
}

函数调用图:

这是这个函数的调用关系图:

LOS_SpinLockSave()

LITE_OS_SEC_ALW_INLINE STATIC INLINE VOID LOS_SpinLockSave	(	SPIN_LOCK_S *	lock,
		UINT32 *	intSave
	)

在文件 los_spinlock.c 第 98 行定义.

{
    *intSave = LOS_IntLock();
    OsSchedLock();
 
    LOCKDEP_CHECK_IN(lock);
    ArchSpinLock(&lock->rawLock);
    LOCKDEP_RECORD(lock);
}

函数调用图:

LOS_SpinTrylock()

LITE_OS_SEC_ALW_INLINE STATIC INLINE INT32 LOS_SpinTrylock

(

SPIN_LOCK_S *

lock

)

在文件 los_spinlock.c 第 61 行定义.

{
    UINT32 intSave = LOS_IntLock();
    OsSchedLock();
    LOS_IntRestore(intSave);
 
    INT32 ret = ArchSpinTrylock(&lock->rawLock);
    if (ret == LOS_OK) {
        LOCKDEP_CHECK_IN(lock);
        LOCKDEP_RECORD(lock);
        return ret;
    }
 
    intSave = LOS_IntLock();
    BOOL needSched = OsSchedUnlockResch();
    LOS_IntRestore(intSave);
    if (needSched) {
        LOS_Schedule();
    }
 
    return ret;
}

函数调用图:

这是这个函数的调用关系图:

LOS_SpinUnlock()

LITE_OS_SEC_ALW_INLINE STATIC INLINE VOID LOS_SpinUnlock

(

SPIN_LOCK_S *

lock

)

在文件 los_spinlock.c 第 84 行定义.

{
    UINT32 intSave;
    LOCKDEP_CHECK_OUT(lock);
    ArchSpinUnlock(&lock->rawLock);
 
    intSave = LOS_IntLock();
    BOOL needSched = OsSchedUnlockResch();
    LOS_IntRestore(intSave);
    if (needSched) {
        LOS_Schedule();
    }
}

函数调用图:

这是这个函数的调用关系图:

LOS_SpinUnlockRestore()

LITE_OS_SEC_ALW_INLINE STATIC INLINE VOID LOS_SpinUnlockRestore	(	SPIN_LOCK_S *	lock,
		UINT32	intSave
	)

在文件 los_spinlock.c 第 108 行定义.

{
    LOCKDEP_CHECK_OUT(lock);
    ArchSpinUnlock(&lock->rawLock);
 
    BOOL needSched = OsSchedUnlockResch();
    LOS_IntRestore(intSave);
    if (needSched) {
        LOS_Schedule();
    }
}

函数调用图: