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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. November 2013 TRY_WAIT_FOR_COMPLET(9)
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