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128 lines
3.6 KiB
128 lines
3.6 KiB
/*
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* Copyright 2010-2011 Samy Al Bahra.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <errno.h>
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#include <inttypes.h>
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#include <pthread.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <strings.h>
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#include <unistd.h>
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#include <sys/time.h>
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#include <stdbool.h>
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#include <stddef.h>
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#include <ck_hp.h>
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struct entry {
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unsigned int value;
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ck_hp_hazard_t hazard;
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};
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static void
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destructor(void *pointer)
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{
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fprintf(stderr, "Free %p\n", pointer);
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free(pointer);
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return;
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}
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int
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main(int argc, char *argv[])
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{
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ck_hp_t state;
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ck_hp_record_t record[2];
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void **pointers;
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struct entry *entry, *other;
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argc = argc;
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argv = argv;
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ck_hp_init(&state, 1, 1, destructor);
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pointers = malloc(sizeof(void *));
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if (pointers == NULL) {
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fprintf(stderr, "ERROR: Failed to allocate slot.\n");
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exit(EXIT_FAILURE);
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}
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ck_hp_subscribe(&state, &record[0], pointers);
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ck_hp_flush(&record[0]);
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entry = malloc(sizeof *entry);
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ck_hp_set(&record[0], 0, entry);
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ck_hp_flush(&record[0]);
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ck_hp_free(&record[0], &entry->hazard, entry, entry);
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ck_hp_flush(&record[0]);
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ck_hp_set(&record[0], 0, NULL);
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ck_hp_flush(&record[0]);
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entry = malloc(sizeof *entry);
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ck_hp_set(&record[0], 0, entry);
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ck_hp_flush(&record[0]);
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ck_hp_free(&record[0], &entry->hazard, entry, entry);
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ck_hp_flush(&record[0]);
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ck_hp_set(&record[0], 0, NULL);
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ck_hp_flush(&record[0]);
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pointers = malloc(sizeof(void *));
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if (pointers == NULL) {
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fprintf(stderr, "ERROR: Failed to allocate slot.\n");
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exit(EXIT_FAILURE);
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}
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ck_hp_subscribe(&state, &record[1], pointers);
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ck_hp_flush(&record[1]);
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entry = malloc(sizeof *entry);
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ck_hp_set(&record[1], 0, entry);
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ck_hp_flush(&record[1]);
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ck_hp_free(&record[1], &entry->hazard, entry, entry);
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ck_hp_flush(&record[1]);
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ck_hp_set(&record[1], 0, NULL);
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ck_hp_flush(&record[1]);
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printf("Allocating entry and freeing in other HP record...\n");
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entry = malloc(sizeof *entry);
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entry->value = 42;
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ck_hp_set(&record[0], 0, entry);
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ck_hp_free(&record[1], &entry->hazard, entry, entry);
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ck_pr_store_uint(&entry->value, 1);
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other = malloc(sizeof *other);
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other->value = 24;
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ck_hp_set(&record[1], 0, other);
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ck_hp_free(&record[0], &other->hazard, other, other);
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ck_pr_store_uint(&other->value, 32);
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ck_hp_set(&record[0], 0, NULL);
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ck_hp_flush(&record[1]);
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ck_hp_set(&record[1], 0, NULL);
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ck_hp_flush(&record[0]);
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ck_hp_flush(&record[1]);
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return 0;
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}
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