CK_RWCOHORT_INSTANCE man page on DragonFly
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CK_RWCOHORT_INSTANCE(3) BSD Library Functions Manual CK_RWCOHORT_INSTANCE(3)
NAME
CK_RWCOHORT_INSTANCE — declare an instance of a cohort-based reader-
writer lock type
LIBRARY
Concurrency Kit (libck, -lck)
SYNOPSIS
#include <ck_cohort.h>
CK_RWCOHORT_NEUTRAL_INSTANCE(COHORT_NAME cohort_name);
CK_RWCOHORT_RP_INSTANCE(COHORT_NAME cohort_name);
CK_RWCOHORT_WP_INSTANCE(COHORT_NAME cohort_name);
DESCRIPTION
The user must use this macro to declare instances of lock types that they
have defined using the CK_RWCOHORT_PROTOTYPE(3) macro. The cohort_name
must be the same as the one used in the prototype macro. For instance,
if CK_RWCOHORT_PROTOTYPE was called with the name "foo", the CK_RWCO‐
HORT_INSTANCE macro should be called as
CK_RWCOHORT_INSTANCE(foo) cohort;
This macro should also be used when allocating memory for cohorts. For
instance, to allocate a block of 4 cohorts:
CK_RWCOHORT_WP_INSTANCE(foo) *cohorts = malloc(4 * sizeof(CK_RWCO‐
HORT_WP_INSTANCE(foo)));
SEE ALSO
ck_rwcohort(3), CK_RWCOHORT_PROTOTYPE(3),
CK_RWCOHORT_TRYLOCK_PROTOTYPE(3), CK_RWCOHORT_INSTANCE(3),
CK_RWCOHORT_INITIALIZER(3), CK_RWCOHORT_LOCK(3), CK_RWCOHORT_UNLOCK(3),
CK_RWCOHORT_LOCKED(3), CK_RWCOHORT_TRYLOCK(3),
Additional information available at http://concurrencykit.org/
February 24, 2013.
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