TRY_WAIT_FOR_COMPLET(9) Driver Basics TRY_WAIT_FOR_COMPLET(9)
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.
COPYRIGHT
Kernel Hackers Manual 2.6. July 2010 TRY_WAIT_FOR_COMPLET(9)