/*
* Copyright 2015-2017, Intel Corporation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * 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.
*
* * Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT
* OWNER 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.
*/
/*
* obj_constructor.c -- tests for constructor
*/
#include <stddef.h>
#include "unittest.h"
/*
* Command line toggle indicating use of a bigger node structure for querying
* pool size expressed in a number of possible allocations. A small node
* structure results in a great number of allocations impossible to replicate
* in assumed timeout. It is required by unit tests using remote replication to
* pass on Travis.
*/
#define USE_BIG_ALLOC "--big-alloc"
/*
* Layout definition
*/
POBJ_LAYOUT_BEGIN(constr);
POBJ_LAYOUT_ROOT(constr, struct root);
POBJ_LAYOUT_TOID(constr, struct node);
POBJ_LAYOUT_TOID(constr, struct node_big);
POBJ_LAYOUT_END(constr);
struct root {
TOID(struct node) n;
POBJ_LIST_HEAD(head, struct node) list;
POBJ_LIST_HEAD(head_big, struct node_big) list_big;
};
struct node {
POBJ_LIST_ENTRY(struct node) next;
};
struct node_big {
POBJ_LIST_ENTRY(struct node_big) next;
int weight[2048];
};
static int
root_constr_cancel(PMEMobjpool *pop, void *ptr, void *arg)
{
return 1;
}
static int
node_constr_cancel(PMEMobjpool *pop, void *ptr, void *arg)
{
return 1;
}
struct foo {
int bar;
};
static struct foo *Canceled_ptr;
static int
vg_test_save_ptr(PMEMobjpool *pop, void *ptr, void *arg)
{
Canceled_ptr = (struct foo *)ptr;
return 1;
}
int
main(int argc, char *argv[])
{
START(argc, argv, "obj_constructor");
/* root doesn't count */
UT_COMPILE_ERROR_ON(POBJ_LAYOUT_TYPES_NUM(constr) != 2);
int big = (argc == 3 && strcmp(argv[2], USE_BIG_ALLOC) == 0);
size_t node_size;
size_t next_off;
if (big) {
node_size = sizeof(struct node_big);
next_off = offsetof(struct node_big, next);
} else if (argc == 2) {
node_size = sizeof(struct node);
next_off = offsetof(struct node, next);
} else {
UT_FATAL("usage: %s file-name [ %s ]", argv[0], USE_BIG_ALLOC);
}
const char *path = argv[1];
PMEMobjpool *pop = NULL;
int ret;
TOID(struct root) root;
TOID(struct node) node;
TOID(struct node_big) node_big;
if ((pop = pmemobj_create(path, POBJ_LAYOUT_NAME(constr),
0, S_IWUSR | S_IRUSR)) == NULL)
UT_FATAL("!pmemobj_create: %s", path);
errno = 0;
root.oid = pmemobj_root_construct(pop, sizeof(struct root),
root_constr_cancel, NULL);
UT_ASSERT(TOID_IS_NULL(root));
UT_ASSERTeq(errno, ECANCELED);
/*
* Allocate memory until OOM, so we can check later if the alloc
* cancellation didn't damage the heap in any way.
*/
int allocs = 0;
while (pmemobj_alloc(pop, NULL, node_size, 1, NULL, NULL) == 0)
allocs++;
UT_ASSERTne(allocs, 0);
PMEMoid oid;
PMEMoid next;
POBJ_FOREACH_SAFE(pop, oid, next)
pmemobj_free(&oid);
errno = 0;
ret = pmemobj_alloc(pop, NULL, node_size, 1, node_constr_cancel, NULL);
UT_ASSERTeq(ret, -1);
UT_ASSERTeq(errno, ECANCELED);
/* the same number of allocations should be possible. */
while (pmemobj_alloc(pop, NULL, node_size, 1, NULL, NULL) == 0)
allocs--;
UT_ASSERT(allocs <= 0);
POBJ_FOREACH_SAFE(pop, oid, next)
pmemobj_free(&oid);
root.oid = pmemobj_root_construct(pop, sizeof(struct root),
NULL, NULL);
UT_ASSERT(!TOID_IS_NULL(root));
errno = 0;
if (big) {
node_big.oid = pmemobj_list_insert_new(pop, next_off,
&D_RW(root)->list_big, OID_NULL, 0, node_size,
1, node_constr_cancel, NULL);
UT_ASSERT(TOID_IS_NULL(node_big));
} else {
node.oid = pmemobj_list_insert_new(pop, next_off,
&D_RW(root)->list, OID_NULL, 0, node_size,
1, node_constr_cancel, NULL);
UT_ASSERT(TOID_IS_NULL(node));
}
UT_ASSERTeq(errno, ECANCELED);
pmemobj_alloc(pop, &oid, sizeof(struct foo), 1,
vg_test_save_ptr, NULL);
UT_ASSERTne(Canceled_ptr, NULL);
/* this should generate a valgrind memcheck warning */
Canceled_ptr->bar = 5;
pmemobj_persist(pop, &Canceled_ptr->bar, sizeof(Canceled_ptr->bar));
/*
* Allocate and cancel a huge object. It should return back to the
* heap and it should be possible to allocate it again.
*/
Canceled_ptr = NULL;
ret = pmemobj_alloc(pop, &oid, sizeof(struct foo) + (1 << 22), 1,
vg_test_save_ptr, NULL);
UT_ASSERTne(Canceled_ptr, NULL);
void *first_ptr = Canceled_ptr;
Canceled_ptr = NULL;
ret = pmemobj_alloc(pop, &oid, sizeof(struct foo) + (1 << 22), 1,
vg_test_save_ptr, NULL);
UT_ASSERTeq(first_ptr, Canceled_ptr);
pmemobj_close(pop);
DONE(NULL);
}