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 13 struct LeakyGlobal { 14 LeakyGlobal() { 15 p = malloc(1337); 16 } 17 ~LeakyGlobal() { 18 p = 0; 19 } 20 void *p; 21 }; 22 23 LeakyGlobal leaky_global; 24 25 int 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
