diff options
Diffstat (limited to 'lib/lsan/lit_tests/TestCases/ignore_object.cc')
-rw-r--r-- | lib/lsan/lit_tests/TestCases/ignore_object.cc | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/lib/lsan/lit_tests/TestCases/ignore_object.cc b/lib/lsan/lit_tests/TestCases/ignore_object.cc new file mode 100644 index 000000000000..cbc743b75497 --- /dev/null +++ b/lib/lsan/lit_tests/TestCases/ignore_object.cc @@ -0,0 +1,30 @@ +// Test for __lsan_ignore_object(). +// RUN: LSAN_BASE="report_objects=1:use_registers=0:use_stacks=0:use_globals=0:use_tls=0:verbosity=3" +// RUN: %clangxx_lsan %s -o %t +// RUN: LSAN_OPTIONS=$LSAN_BASE not %t 2>&1 | FileCheck %s + +#include <stdio.h> +#include <stdlib.h> + +#include "sanitizer/lsan_interface.h" + +int main() { + { + // The first malloc call can cause an allocation in libdl. Ignore it here so + // it doesn't show up in our output. + __lsan::ScopedDisabler d; + malloc(1); + } + // Explicitly ignored object. + void **p = new void *; + // Transitively ignored object. + *p = malloc(666); + // Non-ignored object. + volatile void *q = malloc(1337); + fprintf(stderr, "Test alloc: %p.\n", p); + __lsan_ignore_object(p); + return 0; +} +// CHECK: Test alloc: [[ADDR:.*]]. +// CHECK: ignoring heap object at [[ADDR]] +// CHECK: SUMMARY: {{(Leak|Address)}}Sanitizer: 1337 byte(s) leaked in 1 allocation(s) |