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WORK_BUSY(9) Driver Basics WORK_BUSY(9)

NAME

work_busy - test whether a work is currently pending or running

SYNOPSIS

unsigned int work_busy(struct work_struct * work);

ARGUMENTS

work
the work to be tested

DESCRIPTION

Test whether work is currently pending or running. There is no synchronization around this function and the test result is unreliable and only useful as advisory hints or for debugging. Especially for reentrant wqs, the pending state might hide the running state.

RETURNS

OR'd bitmask of WORK_BUSY_* bits.

COPYRIGHT

March 2016 Kernel Hackers Manual 3.2.