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Man Pages


Manual Reference Pages  -  CK_EPOCH_RECYCLE (3)

NAME

ck_epoch_recycle - return an epoch record that may be used by caller

CONTENTS

Library
Synopsis
Description
Example
Return Values
Errors
See Also

LIBRARY

Concurrency Kit (libck, -lck)

SYNOPSIS


.In ck_epoch.h ck_epoch_record_t * ck_epoch_recycle ck_epoch_t *epoch

DESCRIPTION

The ck_epoch_recycle 3 function attempts to return an unused epoch record object for use by the caller. These epoch records were associated with previous calls to the ck_epoch_unregister 3 function.

EXAMPLE

#include <ck_epoch.h>
#include <stdlib.h>

/* * epoch was previously initialized with ck_epoch_init. */ ck_epoch_t *epoch;

void function(void) {         ck_epoch_record_t *record;

        record = ck_epoch_recycle(&epoch);         if (record == NULL) {                 record = malloc(sizeof *record);                 if (record == NULL)                         return;

                ck_epoch_register(&epoch, record);         }

        /*          * After we are done, we will unregister the record so it          * can be used by other new participants in the epoch system          * provided by the object pointed to by "epoch".          */         ck_epoch_unregister(&epoch, record);         return; }

RETURN VALUES

This function returns a pointer to a ck_epoch_record_t object. If no unused record was found to be associated with the object pointed to by epoch, then the function will return NULL.

ERRORS

Behavior is undefined if the object pointed to by epoch is not a valid epoch object.

SEE ALSO

ck_epoch_init(3), ck_epoch_register(3), ck_epoch_unregister(3), ck_epoch_poll(3), ck_epoch_synchronize(3), ck_epoch_reclaim(3), ck_epoch_barrier(3), ck_epoch_call(3), ck_epoch_begin(3), ck_epoch_end(3)

Additional information available at http://concurrencykit.org/

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