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ck/regressions/ck_epoch/validate/ck_epoch_call.c

73 lines
2.2 KiB

/*
* Copyright 2014 Samy Al Bahra.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <stdio.h>
#include <ck_epoch.h>
#include "../../common.h"
static ck_epoch_t epoch;
static unsigned int counter;
static ck_epoch_record_t record[2];
static void
cb(ck_epoch_entry_t *p)
{
/* Test that we can reregister the callback. */
if (counter == 0)
ck_epoch_call(&record[1], p, cb);
printf("Counter value: %u -> %u\n",
counter, counter + 1);
counter++;
return;
}
int
main(void)
{
ck_epoch_entry_t entry;
ck_epoch_entry_t another;
ck_epoch_register(&epoch, &record[0], NULL);
ck_epoch_register(&epoch, &record[1], NULL);
ck_epoch_call(&record[1], &entry, cb);
ck_epoch_barrier(&record[1]);
ck_epoch_barrier(&record[1]);
/* Make sure that strict works. */
ck_epoch_call_strict(&record[1], &entry, cb);
ck_epoch_call_strict(&record[1], &another, cb);
ck_epoch_barrier(&record[1]);
if (counter != 4)
ck_error("Expected counter value 4, read %u.\n", counter);
return 0;
}