91 lines
1.8 KiB
C
91 lines
1.8 KiB
C
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#include <lladd/transactional.h>
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#include <lladd/lockManager.h>
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#include <pthread.h>
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#include <config.h>
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#include <check.h>
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#include <lladd/transactional.h>
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#include <assert.h>
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#include "../check_includes.h"
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#include <stdlib.h>
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#define LOG_NAME "check_lockManager.log"
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/** Needs to be formatted as a floating point */
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#define NUM_RECORDS 100000000.0
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#define THREAD_COUNT 100
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#define RIDS_PER_THREAD 10000
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void * workerThread(void * j) {
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int xid = *(int*)j;
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startTransaction(xid);
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recordid rid;
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rid.page = 0;
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rid.size = 0;
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int k;
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int deadlocks = 0;
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for(k = 0; k < RIDS_PER_THREAD; k++) {
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rid.slot = (int) (NUM_RECORDS*random()/(RAND_MAX+1.0));
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int rw = random() % 2;
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if(rw) {
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// readlock
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if(LLADD_DEADLOCK == lockManagerReadLockRecord(xid, rid)) {
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deadlocks++;
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}
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} else {
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// writelock
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if(LLADD_DEADLOCK == lockManagerWriteLockRecord(xid, rid)) {
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deadlocks++;
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}
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}
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}
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printf("%2d ", deadlocks); fflush(stdout);
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lockManagerReleaseAll(xid);
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return NULL;
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}
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START_TEST(lockManagerTest) {
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lockManagerInit();
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pthread_t workers[THREAD_COUNT];
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int i;
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for(i = 0; i < THREAD_COUNT; i++) {
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int *j = malloc(sizeof(int));
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*j = i;
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pthread_create(&workers[i], NULL, workerThread, j);
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}
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for(i = 0; i < THREAD_COUNT; i++) {
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pthread_join(workers[i], NULL);
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}
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} END_TEST
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Suite * check_suite(void) {
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Suite *s = suite_create("lockManager");
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/* Begin a new test */
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TCase *tc = tcase_create("multithreaded");
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/* Sub tests are added, one per line, here */
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tcase_add_test(tc, lockManagerTest);
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/* --------------------------------------------- */
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tcase_add_checked_fixture(tc, setup, teardown);
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suite_add_tcase(s, tc);
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return s;
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}
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#include "../check_setup.h"
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