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[tsan] one more test for deadlock detector 

llvm-svn: 202026
This commit is contained in:
Kostya Serebryany 2014-02-24 11:45:47 +00:00
parent c0ae3dfc3a
commit d77dfcb384
1 changed files with 26 additions and 5 deletions
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31
compiler-rt/test/tsan/deadlock_detector_stress_test.cc
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@ -106,10 +106,29 @@ class LockTest {
// CHECK-NOT: WARNING: ThreadSanitizer:
}
void Test6() {
fprintf(stderr, "Starting Test6\n");
// CHECK: Starting Test6
// CHECK-NOT: WARNING: ThreadSanitizer:
RunThreads(&LockTest::Lock1_Loop_0, &LockTest::Lock1_Loop_1,
&LockTest::Lock1_Loop_2);
}
private:
void Lock2(size_t l1, size_t l2) { L(l1); L(l2); U(l2); U(l1); }
void Lock_0_1() { Lock2(0, 1); }
void Lock_1_0() { Lock2(1, 0); }
void Lock1_Loop(size_t i, size_t n_iter) {
for (size_t it = 0; it < n_iter; it++) {
// if ((it & (it - 1)) == 0) fprintf(stderr, "%zd", i);
L(i);
U(i);
}
// fprintf(stderr, "\n");
}
void Lock1_Loop_0() { Lock1_Loop(0, 100000); }
void Lock1_Loop_1() { Lock1_Loop(1, 100000); }
void Lock1_Loop_2() { Lock1_Loop(2, 100000); }
void CreateAndDestroyManyLocks() {
PaddedLock create_many_locks_but_never_acquire[kDeadlockGraphSize];
@ -135,13 +154,14 @@ class LockTest {
return NULL;
}
void RunThreads(void (LockTest::*f1)(), void (LockTest::*f2)()) {
const int kNumThreads = 2;
void RunThreads(void (LockTest::*f1)(), void (LockTest::*f2)(),
void (LockTest::*f3)() = 0) {
const int kNumThreads = 3;
pthread_t t[kNumThreads];
CB cb[2] = {{f1, this}, {f2, this}};
for (int i = 0; i < kNumThreads; i++)
CB cb[kNumThreads] = {{f1, this}, {f2, this}, {f3, this}};
for (int i = 0; i < kNumThreads && cb[i].f; i++)
pthread_create(&t[i], 0, Thread, &cb[i]);
for (int i = 0; i < kNumThreads; i++)
for (int i = 0; i < kNumThreads && cb[i].f; i++)
pthread_join(t[i], 0);
}
@ -156,6 +176,7 @@ int main() {
{ LockTest t(5); t.Test3(); }
{ LockTest t(5); t.Test4(); }
{ LockTest t(5); t.Test5(); }
{ LockTest t(5); t.Test6(); }
fprintf(stderr, "DONE\n");
// CHECK: DONE
}