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// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
#include "test.h"
// OS X doesn't have pthread_setname_np(tid, name).
// UNSUPPORTED: darwin
#if defined(__FreeBSD__)
#include <pthread_np.h>
#define tsan_pthread_setname_np pthread_set_name_np
#elif defined(__NetBSD__)
#define tsan_pthread_setname_np(a, b) pthread_setname_np((a), "%s", (void *)(b))
#else
#define tsan_pthread_setname_np pthread_setname_np
#endif
long long Global;
void *Thread1(void *x) {
barrier_wait(&barrier);
Global++;
return 0;
}
void *Thread2(void *x) {
tsan_pthread_setname_np(pthread_self(), "foobar2");
Global--;
barrier_wait(&barrier);
return 0;
}
int main() {
barrier_init(&barrier, 3);
pthread_t t[2];
pthread_create(&t[0], 0, Thread1, 0);
pthread_create(&t[1], 0, Thread2, 0);
tsan_pthread_setname_np(t[0], "foobar1");
barrier_wait(&barrier);
pthread_join(t[0], NULL);
pthread_join(t[1], NULL);
}
// CHECK: WARNING: ThreadSanitizer: data race
// CHECK: Thread T1 'foobar1'
// CHECK: Thread T2 'foobar2'
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