/// From sanitizer_common/TestCases/allocator_interface.cpp // RUN: %clangxx_nsan %s -o %t && %run %t 1234 // RUN: %clangxx_nsan %s -o %t && %run %t 5678910 #include #include #include #include #include void Test(int size) { auto allocated_bytes_before = __sanitizer_get_current_allocated_bytes(); int *p = (int *)malloc(size); assert(__sanitizer_get_estimated_allocated_size(size) >= size); assert(__sanitizer_get_ownership(p)); assert(!__sanitizer_get_ownership(&p)); assert(__sanitizer_get_allocated_size(p) == size); assert(__sanitizer_get_allocated_size_fast(p) == size); assert(__sanitizer_get_allocated_begin(p) == p); assert(__sanitizer_get_allocated_begin(p + 1) == p); assert(__sanitizer_get_current_allocated_bytes() >= size + allocated_bytes_before); assert(__sanitizer_get_current_allocated_bytes() <= 2 * size + allocated_bytes_before); assert(__sanitizer_get_heap_size() >= size); free(p); // These are not implemented. assert(__sanitizer_get_unmapped_bytes() <= 1); assert(__sanitizer_get_free_bytes() > 0); __sanitizer_purge_allocator(); } int main(int argc, char **argv) { int size = atoi(argv[1]); Test(size); // Check the thread local caches work as well. std::thread t(Test, size); t.join(); return 0; }