3 #include <cds/gc/dhp.h>
5 #include <cds/misc/seqlock.h>
6 #include <cds_test/stress_test.h>
15 typedef cds_others::SeqLock SeqLock;
17 static size_t s_nSeqLockReaderWriterThreadCount = 6;
18 static size_t s_nSeqLockPassCount = 2000000;
20 class SeqLockTest : public cds_test::stress_fixture {
24 static void SetUpTestCase() {
25 cds_test::config const &cfg = get_config("SequentialMisc");
26 GetConfig(SeqLockReaderWriterThreadCount);
27 GetConfig(SeqLockPassCount);
30 static void ReaderWriterThread(SeqLock *seqlock, int write_percentage) {
31 for (size_t i = 0; i < s_nSeqLockPassCount; i++) {
32 if (rand(100) < write_percentage) {
33 sum += seqlock->read();
35 seqlock->write(rand(10));
41 size_t SeqLockTest::sum;
43 TEST_F(SeqLockTest, SeqLock) {
44 std::unique_ptr<SeqLock> seqlock(new SeqLock());
45 for (int write_percentage = 5; write_percentage < 50; write_percentage += 5) {
46 ReaderWriterThread(seqlock.get(), write_percentage);