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// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
#include <pthread.h>
#include <stdio.h>
#include <unistd.h>
int fds[2];
void *Thread1(void *x) {
write(fds[1], "a", 1);
return NULL;
}
void *Thread2(void *x) {
sleep(1);
close(fds[0]);
close(fds[1]);
return NULL;
}
int main() {
pipe(fds);
pthread_t t[2];
pthread_create(&t[0], NULL, Thread1, NULL);
pthread_create(&t[1], NULL, Thread2, NULL);
pthread_join(t[0], NULL);
pthread_join(t[1], NULL);
}
// CHECK: WARNING: ThreadSanitizer: data race
// CHECK: Write of size 8
// CHECK: #0 close
// CHECK: #1 Thread2
// CHECK: Previous read of size 8
// CHECK: #0 write
// CHECK: #1 Thread1
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