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