1 | // RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s |
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2 | #include "test.h" |
3 | |
4 | void *thr(void *arg) { |
5 | // Create a sync object on stack, so there is something to free on thread end. |
6 | volatile int x; |
7 | __atomic_fetch_add(&x, 1, __ATOMIC_SEQ_CST); |
8 | barrier_wait(barrier: &barrier); |
9 | return 0; |
10 | } |
11 | |
12 | int main() { |
13 | const int kThreads = 300; |
14 | const int kIters = 10; |
15 | barrier_init(barrier: &barrier, count: kThreads + 1); |
16 | pthread_attr_t attr; |
17 | pthread_attr_init(attr: &attr); |
18 | pthread_attr_setstacksize(attr: &attr, stacksize: 16 << 20); |
19 | for (int iter = 0; iter < kIters; iter++) { |
20 | pthread_t threads[kThreads]; |
21 | for (int t = 0; t < kThreads; t++) { |
22 | int err = pthread_create(newthread: &threads[t], attr: &attr, start_routine: thr, arg: 0); |
23 | if (err) { |
24 | fprintf(stderr, format: "Failed to create thread #%d\n", t); |
25 | return 1; |
26 | } |
27 | } |
28 | barrier_wait(barrier: &barrier); |
29 | for (int t = 0; t < kThreads; t++) |
30 | pthread_join(th: threads[t], thread_return: 0); |
31 | } |
32 | pthread_attr_destroy(attr: &attr); |
33 | fprintf(stderr, format: "DONE\n"); |
34 | return 0; |
35 | } |
36 | |
37 | // CHECK: DONE |
38 | |
39 |