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 {
LeakyGlobalLeakyGlobal14 LeakyGlobal() {
15 p = malloc(1337);
16 }
~LeakyGlobalLeakyGlobal17 ~LeakyGlobal() {
18 p = 0;
19 }
20 void *p;
21 };
22
23 LeakyGlobal leaky_global;
24
main(int argc,char * argv[])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