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