try_wait_for_completion(9)

try_wait_for_completion9

Try to decrement a completion without blocking

Usage

bool try_wait_for_completion(struct completion * x);

Arguments

x

completion structure

Returns

0 if a decrement cannot be done without blocking 1 if a decrement succeeded.

If a completion is being used as a counting completion, attempt to decrement the counter without blocking. This enables us to avoid waiting if the resource the completion is protecting is not available.

Releases

2 releases since Debian 6.0 (Squeeze); the text changed 1 time.

  1. 6.0
  2. 7

From linux-manual-3.2 3.2.78-1 in Debian 7 (Wheezy). Parsed by carta from the page's man source.