| 1 | // RUN: %clangxx_tsan -O1 %s -o %t && %env_tsan_opts=atexit_sleep_ms=50 %run %t 2>&1 | FileCheck %s |
|---|---|
| 2 | #include <pthread.h> |
| 3 | #include <stdio.h> |
| 4 | #include <stdlib.h> |
| 5 | #include <unistd.h> |
| 6 | #include <sys/types.h> |
| 7 | #include <sys/wait.h> |
| 8 | |
| 9 | void foo() { |
| 10 | fprintf(stderr, format: "CHILD ATEXIT\n"); |
| 11 | } |
| 12 | |
| 13 | void *worker(void *unused) { |
| 14 | return 0; |
| 15 | } |
| 16 | |
| 17 | int main() { |
| 18 | pthread_t t; |
| 19 | pthread_create(newthread: &t, NULL, start_routine: worker, NULL); |
| 20 | int pid = fork(); |
| 21 | if (pid == 0) { |
| 22 | // child |
| 23 | atexit(func: foo); |
| 24 | fprintf(stderr, format: "CHILD DONE\n"); |
| 25 | } else { |
| 26 | pthread_join(th: t, thread_return: 0); |
| 27 | if (waitpid(pid: pid, stat_loc: 0, options: 0) == -1) { |
| 28 | perror(s: "waitpid"); |
| 29 | exit(status: 1); |
| 30 | } |
| 31 | fprintf(stderr, format: "PARENT DONE\n"); |
| 32 | } |
| 33 | } |
| 34 | |
| 35 | // CHECK: CHILD DONE |
| 36 | // CHECK: CHILD ATEXIT |
| 37 | // CHECK: PARENT DONE |
| 38 |