forked from OSchip/llvm-project
34 lines
861 B
C
34 lines
861 B
C
// RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
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#include "test.h"
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void *thr(void *arg) {
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// Create a sync object on stack, so there is something to free on thread end.
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volatile int x;
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__atomic_fetch_add(&x, 1, __ATOMIC_SEQ_CST);
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barrier_wait(&barrier);
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return 0;
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}
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int main() {
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const int kThreads = 300;
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const int kIters = 10;
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barrier_init(&barrier, kThreads + 1);
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pthread_attr_t attr;
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pthread_attr_init(&attr);
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pthread_attr_setstacksize(&attr, 16 << 20);
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for (int iter = 0; iter < kIters; iter++) {
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pthread_t threads[kThreads];
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for (int t = 0; t < kThreads; t++)
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pthread_create(&threads[t], &attr, thr, 0);
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barrier_wait(&barrier);
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for (int t = 0; t < kThreads; t++)
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pthread_join(threads[t], 0);
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}
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pthread_attr_destroy(&attr);
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fprintf(stderr, "DONE\n");
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return 0;
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}
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// CHECK: DONE
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