1// Test for __lsan_do_leak_check(). We test it by making the leak check run 2// before global destructors, which also tests compatibility with HeapChecker's 3// "normal" mode (LSan runs in "strict" mode by default). 4// RUN: LSAN_BASE="use_stacks=0:use_registers=0" 5// RUN: %clangxx_lsan %s -o %t 6// RUN: LSAN_OPTIONS=$LSAN_BASE not %run %t 2>&1 | FileCheck --check-prefix=CHECK-strict %s 7// RUN: LSAN_OPTIONS=$LSAN_BASE not %run %t foo 2>&1 | FileCheck --check-prefix=CHECK-normal %s 8 9#include <stdio.h> 10#include <stdlib.h> 11#include <sanitizer/lsan_interface.h> 12 13struct LeakyGlobal { 14 LeakyGlobal() { 15 p = malloc(1337); 16 } 17 ~LeakyGlobal() { 18 p = 0; 19 } 20 void *p; 21}; 22 23LeakyGlobal leaky_global; 24 25int main(int argc, char *argv[]) { 26 // Register leak check to run before global destructors. 27 if (argc > 1) 28 atexit(&__lsan_do_leak_check); 29 void *p = malloc(666); 30 printf("Test alloc: %p\n", p); 31 printf("Test alloc in leaky global: %p\n", leaky_global.p); 32 return 0; 33} 34 35// CHECK-strict: SUMMARY: {{(Leak|Address)}}Sanitizer: 2003 byte(s) leaked in 2 allocation(s) 36// CHECK-normal: SUMMARY: {{(Leak|Address)}}Sanitizer: 666 byte(s) leaked in 1 allocation(s) 37