static noinline int __sched __down_killable(struct semaphore *sem)
{
return __down_common(sem, TASK_KILLABLE, MAX_SCHEDULE_TIMEOUT);
}
static noinline int __sched __down_timeout(struct semaphore *sem, long jiffies)
{
return __down_common(sem, TASK_UNINTERRUPTIBLE, jiffies);
}
static noinline int __sched __down_interruptible(struct semaphore *sem)
{
return __down_common(sem, TASK_INTERRUPTIBLE, MAX_SCHEDULE_TIMEOUT);
}
static noinline void __sched __down(struct semaphore *sem)
{
__down_common(sem, TASK_UNINTERRUPTIBLE, MAX_SCHEDULE_TIMEOUT);
}
/*
* This version waits in interruptible state so that the waiting
* process can be killed. The down_failed_interruptible routine
* returns negative for signalled and zero for semaphore acquired.
*/
extern int down_interruptible(struct semaphore * sem)
{
return __down_common(sem, 1);
}
void down(struct semaphore * sem)
{
__down_common(sem, 0);
}
static noinline int __sched __down_timeout_killable(struct semaphore *sem, long jiffies)
{
return __down_common(sem, TASK_KILLABLE, jiffies);
}
