1 | // Test that threads are reused. |
2 | // On Android, pthread_* are in libc.so. So the `-lpthread` is not supported. |
3 | // Use `-pthread` so that its driver will DTRT (ie., ignore it). |
4 | // RUN: %clangxx_lsan %s -o %t -pthread && %run %t |
5 | |
6 | #include <assert.h> |
7 | #include <dirent.h> |
8 | #include <pthread.h> |
9 | #include <stdlib.h> |
10 | #include <unistd.h> |
11 | |
12 | // Number of threads to create. This value is greater than kMaxThreads in |
13 | // lsan_thread.cpp so that we can test that thread contexts are not being |
14 | // reused. |
15 | static const size_t kTestThreads = 10000; |
16 | |
17 | // Limit the number of simultaneous threads to avoid reaching the limit. |
18 | static const size_t kTestThreadsBatch = 100; |
19 | |
20 | void *null_func(void *args) { |
21 | return NULL; |
22 | } |
23 | |
24 | int main(void) { |
25 | for (size_t i = 0; i < kTestThreads; i += kTestThreadsBatch) { |
26 | pthread_t thread[kTestThreadsBatch]; |
27 | for (size_t j = 0; j < kTestThreadsBatch; ++j) |
28 | assert(pthread_create(&thread[j], NULL, null_func, NULL) == 0); |
29 | |
30 | for (size_t j = 0; j < kTestThreadsBatch; ++j) |
31 | assert(pthread_join(thread[j], NULL) == 0); |
32 | } |
33 | return 0; |
34 | } |
35 | |