1 // Test that stacks of non-main threads are included in the root set. 2 // RUN: LSAN_BASE="report_objects=1:use_registers=0" 3 // RUN: %clangxx_lsan -pthread %s -o %t 4 // RUN: LSAN_OPTIONS=$LSAN_BASE:"use_stacks=0" not %run %t 2>&1 | FileCheck %s 5 // RUN: LSAN_OPTIONS=$LSAN_BASE:"use_stacks=1" %run %t 2>&1 6 // RUN: LSAN_OPTIONS="" %run %t 2>&1 7 8 #include <assert.h> 9 #include <pthread.h> 10 #include <stdio.h> 11 #include <stdlib.h> 12 13 extern "C" stacks_thread_func(void * arg)14void *stacks_thread_func(void *arg) { 15 int *sync = reinterpret_cast<int *>(arg); 16 void *p = malloc(1337); 17 fprintf(stderr, "Test alloc: %p.\n", p); 18 fflush(stderr); 19 __sync_fetch_and_xor(sync, 1); 20 while (true) 21 pthread_yield(); 22 } 23 main()24int main() { 25 int sync = 0; 26 pthread_t thread_id; 27 int res = pthread_create(&thread_id, 0, stacks_thread_func, &sync); 28 assert(res == 0); 29 while (!__sync_fetch_and_xor(&sync, 0)) 30 pthread_yield(); 31 return 0; 32 } 33 // CHECK: Test alloc: [[ADDR:.*]]. 34 // CHECK: LeakSanitizer: detected memory leaks 35 // CHECK: [[ADDR]] (1337 bytes) 36 // CHECK: SUMMARY: {{(Leak|Address)}}Sanitizer: 37