/* lockcov.c: LOCK COVERAGE TEST
*
* $Id: //info.ravenbrook.com/project/mps/master/code/lockcov.c#20 $
* Copyright (c) 2001-2020 Ravenbrook Limited. See end of file for license.
*/
#include "mps.h"
#include "mpsavm.h"
#include "mpscmfs.h"
#include "mpm.h"
#include "testlib.h"
#include "mpslib.h"
#include <stdio.h> /* printf */
int main(int argc, char *argv[])
{
mps_arena_t arena;
mps_pool_t pool;
mps_addr_t p;
Lock a, b;
testlib_init(argc, argv);
die(mps_arena_create_k(&arena, mps_arena_class_vm(), mps_args_none),
"arena_create");
MPS_ARGS_BEGIN(args) {
MPS_ARGS_ADD(args, MPS_KEY_MFS_UNIT_SIZE, LockSize());
die(mps_pool_create_k(&pool, arena, mps_class_mfs(), args), "pool_create");
} MPS_ARGS_END(args);
die(mps_alloc(&p, pool, LockSize()), "alloc a");
a = p;
die(mps_alloc(&p, pool, LockSize()), "alloc b");
b = p;
Insist(a != NULL);
Insist(b != NULL);
LockInit(a);
Insist(!LockIsHeld(a));
LockInit(b);
Insist(!LockIsHeld(b));
LockClaimGlobal();
LockClaim(a);
Insist(LockIsHeld(a));
LockClaimRecursive(b);
Insist(LockIsHeld(b));
LockClaimGlobalRecursive();
LockReleaseGlobal();
LockClaimGlobal();
LockRelease(a);
Insist(!LockIsHeld(a));
LockClaimGlobalRecursive();
LockReleaseGlobal();
LockClaimRecursive(b);
Insist(LockIsHeld(b));
LockFinish(a);
LockReleaseRecursive(b);
Insist(LockIsHeld(b));
LockReleaseRecursive(b);
Insist(!LockIsHeld(b));
LockFinish(b);
LockInit(a);
LockClaim(a);
LockClaimRecursive(a);
LockReleaseGlobalRecursive();
LockReleaseRecursive(a);
LockRelease(a);
LockFinish(a);
LockReleaseGlobalRecursive();
mps_free(pool, a, LockSize());
mps_free(pool, b, LockSize());
mps_pool_destroy(pool);
mps_arena_destroy(arena);
printf("%s: Conclusion: Failed to find any defects.\n", argv[0]);
return 0;
}
/* C. COPYRIGHT AND LICENSE
*
* Copyright (C) 2001-2020 Ravenbrook Limited <https://www.ravenbrook.com/>.
*
* 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 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
* HOLDER 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.
*/