try_wait_for_completion

Langue: en

Version: May 2009 (fedora - 06/07/09)

Section: 9 (Appels noyau Linux)

NAME

try_wait_for_completion - try to decrement a completion without blocking

SYNOPSIS

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.