1// RUN: %clangxx -pthread %s -o %t
2
3// RUN: %env_tool_opts=detect_invalid_join=true not %run %t 0 2>&1 | FileCheck %s
4// RUN: %env_tool_opts=detect_invalid_join=true not %run %t 1 2>&1 | FileCheck %s
5// RUN: %env_tool_opts=detect_invalid_join=true not %run %t 2 2>&1 | FileCheck %s
6// RUN: %env_tool_opts=detect_invalid_join=true not %run %t 3 2>&1 | FileCheck %s --check-prefix=DETACH
7
8// REQUIRES: glibc && (asan || hwasan || lsan)
9
10#include <assert.h>
11#include <ctime>
12#include <errno.h>
13#include <pthread.h>
14#include <stdint.h>
15#include <stdlib.h>
16#include <unistd.h>
17
18static void *fn(void *args) {
19 sleep(seconds: 1);
20 return nullptr;
21}
22
23int main(int argc, char **argv) {
24 int n = atoi(nptr: argv[1]);
25 pthread_t thread;
26 assert(!pthread_create(&thread, nullptr, fn, nullptr));
27 void *res;
28 if (n == 0) {
29 while (pthread_tryjoin_np(th: thread, thread_return: &res))
30 sleep(seconds: 1);
31 pthread_tryjoin_np(th: thread, thread_return: &res);
32 } else if (n == 1) {
33 timespec tm = {.tv_sec: 0, .tv_nsec: 1};
34 while (pthread_timedjoin_np(th: thread, thread_return: &res, abstime: &tm))
35 sleep(seconds: 1);
36 pthread_timedjoin_np(th: thread, thread_return: &res, abstime: &tm);
37 } else if (n == 2) {
38 assert(!pthread_join(thread, &res));
39 pthread_join(th: thread, thread_return: &res);
40 } else if (n == 3) {
41 assert(!pthread_detach(thread));
42 pthread_join(th: thread, thread_return: &res);
43 }
44 // CHECK: Joining already joined thread
45 // DETACH: Joining detached thread
46 return 0;
47}
48

source code of compiler-rt/test/sanitizer_common/TestCases/Linux/pthread_join_invalid.cpp