linux-4.4.1/__pollwake()
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開始行:
*参照元 [#z3a188a3]
#backlinks
*説明 [#m05f5104]
-パス: [[linux-4.4.1/fs/select.c]]
-FIXME: これは何？
--説明
**引数 [#ccbbcb23]
-wait_queue_t *wait
--
--[[linux-4.4.1/wait_queue_t]]
-unsigned mode
--
-int sync
--
-void *key
--
**返り値 [#l49ae154]
-int
--
**参考 [#w44af076]
*実装 [#yd1bbf65]
static int __pollwake(wait_queue_t *wait, unsigned mode,...
{
struct poll_wqueues *pwq = wait->private;
DECLARE_WAITQUEUE(dummy_wait, pwq->polling_task);
-
--[[linux-4.4.1/poll_wqueues]]
--[[linux-4.4.1/DECLARE_WAITQUEUE()]]
/*
* Although this function is called under waitqueue loc...
* doesn't imply write barrier and the users expect write
* barrier semantics on wakeup functions. The following
* smp_wmb() is equivalent to smp_wmb() in try_to_wake_...
* and is paired with smp_store_mb() in poll_schedule_t...
*/
smp_wmb();
pwq->triggered = 1;
-
--[[linux-4.4.1/smp_wmb()]]
/*
* Perform the default wake up operation using a dummy
* waitqueue.
*
* TODO: This is hacky but there currently is no interf...
* pass in @sync. @sync is scheduled to be removed and...
* that happens, wake_up_process() can be used directly.
*/
return default_wake_function(&dummy_wait, mode, sync, k...
-
--[[linux-4.4.1/default_wake_function()]]
}
*コメント [#pe03fe05]
終了行:
*参照元 [#z3a188a3]
#backlinks
*説明 [#m05f5104]
-パス: [[linux-4.4.1/fs/select.c]]
-FIXME: これは何？
--説明
**引数 [#ccbbcb23]
-wait_queue_t *wait
--
--[[linux-4.4.1/wait_queue_t]]
-unsigned mode
--
-int sync
--
-void *key
--
**返り値 [#l49ae154]
-int
--
**参考 [#w44af076]
*実装 [#yd1bbf65]
static int __pollwake(wait_queue_t *wait, unsigned mode,...
{
struct poll_wqueues *pwq = wait->private;
DECLARE_WAITQUEUE(dummy_wait, pwq->polling_task);
-
--[[linux-4.4.1/poll_wqueues]]
--[[linux-4.4.1/DECLARE_WAITQUEUE()]]
/*
* Although this function is called under waitqueue loc...
* doesn't imply write barrier and the users expect write
* barrier semantics on wakeup functions. The following
* smp_wmb() is equivalent to smp_wmb() in try_to_wake_...
* and is paired with smp_store_mb() in poll_schedule_t...
*/
smp_wmb();
pwq->triggered = 1;
-
--[[linux-4.4.1/smp_wmb()]]
/*
* Perform the default wake up operation using a dummy
* waitqueue.
*
* TODO: This is hacky but there currently is no interf...
* pass in @sync. @sync is scheduled to be removed and...
* that happens, wake_up_process() can be used directly.
*/
return default_wake_function(&dummy_wait, mode, sync, k...
-
--[[linux-4.4.1/default_wake_function()]]
}
*コメント [#pe03fe05]
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