32 lines · cpp
1// Sanitizer should not crash if pthread_create fails.2// RUN: %clangxx -pthread %s -o %t && %run %t3 4// pthread_create with lsan i386 does not fail here.5// UNSUPPORTED: i386-linux && lsan6 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(&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(&attrs, sz);25 assert(res == 0);26 for (size_t i = 0; i < 10; ++i) {27 res = pthread_create(&thread, &attrs, null_func, NULL);28 assert(res != 0);29 }30 return 0;31}32