1// Sanitizer should not crash if pthread_create fails.
2// RUN: %clangxx -pthread %s -o %t && %run %t
3
4// pthread_create with lsan i386 does not fail here.
5// UNSUPPORTED: i386-linux && lsan
6
7#include <cassert>
8#include <pthread.h>
9#include <stdlib.h>
10
11void *null_func(void *args) {
12 return NULL;
13}
14
15int main(void) {
16 pthread_t thread;
17 pthread_attr_t attrs;
18 pthread_attr_init(attr: &attrs);
19 // Set size huge enough to fail pthread_create.
20 size_t sz = ~0;
21 // Align the size just in case.
22 sz >>= 16;
23 sz <<= 16;
24 int res = pthread_attr_setstacksize(attr: &attrs, stacksize: sz);
25 assert(res == 0);
26 for (size_t i = 0; i < 10; ++i) {
27 res = pthread_create(newthread: &thread, attr: &attrs, start_routine: null_func, NULL);
28 assert(res != 0);
29 }
30 return 0;
31}
32

source code of compiler-rt/test/sanitizer_common/TestCases/Posix/create_thread_fail.cpp