create_thread_loop can time out sometimes on macOS CI. Differential Revision: https://reviews.llvm.org/D157291
27 lines
733 B
C++
27 lines
733 B
C++
// Simple stress test for of pthread_create. Increase arg to use as benchmark.
|
|
|
|
// RUN: %clangxx -O3 -pthread %s -o %t && %run %t 1000
|
|
|
|
// Inconsistently fails on Android and can timeout on darwin platforms.
|
|
// UNSUPPORTED: android, darwin
|
|
|
|
#include <pthread.h>
|
|
#include <stdlib.h>
|
|
|
|
extern "C" const char *__asan_default_options() {
|
|
// 32bit asan can allocate just a few FakeStacks.
|
|
return sizeof(void *) < 8 ? "detect_stack_use_after_return=0" : "";
|
|
}
|
|
|
|
static void *null_func(void *args) { return nullptr; }
|
|
|
|
int main(int argc, char **argv) {
|
|
int n = atoi(argv[1]);
|
|
for (int i = 0; i < n; ++i) {
|
|
pthread_t thread;
|
|
if (pthread_create(&thread, 0, null_func, NULL) == 0)
|
|
pthread_detach(thread);
|
|
}
|
|
return 0;
|
|
}
|