int __sched mutex_lock_killable(struct mutex *lock)
{
int ret;
might_sleep();
ret = __mutex_fastpath_lock_retval
(&lock->count, __mutex_lock_killable_slowpath);
if (!ret)
mutex_set_owner(lock);
return ret;
}
/***
* mutex_lock_interruptible - acquire the mutex, interruptable
* @lock: the mutex to be acquired
*
* Lock the mutex like mutex_lock(), and return 0 if the mutex has
* been acquired or sleep until the mutex becomes available. If a
* signal arrives while waiting for the lock then this function
* returns -EINTR.
*
* This function is similar to (but not equivalent to) down_interruptible().
*/
int fastcall __sched mutex_lock_interruptible(struct mutex *lock)
{
might_sleep();
return __mutex_fastpath_lock_retval
(&lock->count, __mutex_lock_interruptible_slowpath);
}
int __sched mutex_lock_killable(struct mutex *lock)
{
might_sleep();
return __mutex_fastpath_lock_retval
(&lock->count, __mutex_lock_killable_slowpath);
}
/***
* mutex_lock_interruptible - acquire the mutex, interruptable
* @lock: the mutex to be acquired
*
* Lock the mutex like mutex_lock(), and return 0 if the mutex has
* been acquired or sleep until the mutex becomes available. If a
* signal arrives while waiting for the lock then this function
* returns -EINTR.
*
* This function is similar to (but not equivalent to) down_interruptible().
*/
int mutex_lock_interruptible(struct mutex *lock)
{
return __mutex_fastpath_lock_retval
(&lock->count, __mutex_lock_interruptible_slowpath);
}
