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1 // RUN: %clangxx_tsan -O1 %s -o %t && %env_tsan_opts=atexit_sleep_ms=50 %run %t 2>&1 | FileCheck %s
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2 #include <pthread.h>
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3 #include <stdio.h>
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4 #include <stdlib.h>
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5 #include <unistd.h>
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6 #include <sys/types.h>
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7 #include <sys/wait.h>
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8
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9 void foo() {
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10 fprintf(stderr, "CHILD ATEXIT\n");
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11 }
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12
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13 void *worker(void *unused) {
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14 return 0;
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15 }
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16
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17 int main() {
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18 pthread_t t;
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19 pthread_create(&t, NULL, worker, NULL);
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20 int pid = fork();
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21 if (pid == 0) {
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22 // child
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23 atexit(foo);
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24 fprintf(stderr, "CHILD DONE\n");
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25 } else {
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26 pthread_join(t, 0);
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27 if (waitpid(pid, 0, 0) == -1) {
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28 perror("waitpid");
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29 exit(1);
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30 }
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31 fprintf(stderr, "PARENT DONE\n");
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32 }
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33 }
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34
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35 // CHECK: CHILD DONE
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36 // CHECK: CHILD ATEXIT
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37 // CHECK: PARENT DONE
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