Documentation/scheduler/completion.rst

22 until the result is actually needed, and both the waiting and the signalling
26 the Linux scheduler. The event the threads on the waitqueue are waiting for
39  - the waiting part through a call to one of the variants of wait_for_completion(),
43 Note that while initialization must happen first, the waiting and signaling
57 This provides the ->wait waitqueue to place tasks on for waiting (if any), and
122 must not return to a calling context until all activities (such as waiting
125 To emphasise this again: in particular when using some of the waiting API variants
141 Waiting for completions:
164 to wait_for_completion() then the waiting side simply will continue
181 time depending on the nature of the activity they are waiting for, so in
206 This function marks the task TASK_INTERRUPTIBLE while it is waiting.
207 If a signal was received while waiting it will return -ERESTARTSYS; 0 otherwise::
236 variants, except for accounting waiting time as 'waiting on IO', which has
257 a thread starts waiting. This is achieved by the waiter "consuming"
258 (decrementing) the done field of 'struct completion'. Waiting threads