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- /* -*- Mode: C; c-basic-offset: 2; indent-tabs-mode: nil -*- */
- /* Copyright (c) 2009, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * ---
- * Author: Craig Silverstein
- *
- * This tests the c shims: malloc_extension_c.h and malloc_hook_c.h.
- * Mostly, we'll just care that these shims compile under gcc
- * (*not* g++!)
- *
- * NOTE: this is C code, not C++ code!
- */
- #include <stdio.h>
- #include <stdlib.h>
- #include <stddef.h> /* for size_t */
- #include <gperftools/malloc_extension_c.h>
- #include <gperftools/malloc_hook_c.h>
- #define FAIL(msg) do { \
- fprintf(stderr, "FATAL ERROR: %s\n", msg); \
- exit(1); \
- } while (0)
- static int g_new_hook_calls = 0;
- static int g_delete_hook_calls = 0;
- void TestNewHook(const void* ptr, size_t size) {
- g_new_hook_calls++;
- }
- void TestDeleteHook(const void* ptr) {
- g_delete_hook_calls++;
- }
- static
- void *forced_malloc(size_t size)
- {
- extern void *tc_malloc(size_t);
- void *rv = tc_malloc(size);
- if (!rv) {
- FAIL("malloc is not supposed to fail here");
- }
- return rv;
- }
- void TestMallocHook(void) {
- /* TODO(csilvers): figure out why we get:
- * E0100 00:00:00.000000 7383 malloc_hook.cc:244] RAW: google_malloc section is missing, thus InHookCaller is broken!
- */
- #if 0
- void* result[5];
- if (MallocHook_GetCallerStackTrace(result, sizeof(result)/sizeof(*result),
- 0) < 2) { /* should have this and main */
- FAIL("GetCallerStackTrace failed");
- }
- #endif
- if (!MallocHook_AddNewHook(&TestNewHook)) {
- FAIL("Failed to add new hook");
- }
- if (!MallocHook_AddDeleteHook(&TestDeleteHook)) {
- FAIL("Failed to add delete hook");
- }
- free(forced_malloc(10));
- free(forced_malloc(20));
- if (g_new_hook_calls != 2) {
- FAIL("Wrong number of calls to the new hook");
- }
- if (g_delete_hook_calls != 2) {
- FAIL("Wrong number of calls to the delete hook");
- }
- if (!MallocHook_RemoveNewHook(&TestNewHook)) {
- FAIL("Failed to remove new hook");
- }
- if (!MallocHook_RemoveDeleteHook(&TestDeleteHook)) {
- FAIL("Failed to remove delete hook");
- }
- free(forced_malloc(10));
- free(forced_malloc(20));
- if (g_new_hook_calls != 2) {
- FAIL("Wrong number of calls to the new hook");
- }
- MallocHook_SetNewHook(&TestNewHook);
- MallocHook_SetDeleteHook(&TestDeleteHook);
- free(forced_malloc(10));
- free(forced_malloc(20));
- if (g_new_hook_calls != 4) {
- FAIL("Wrong number of calls to the singular new hook");
- }
- if (MallocHook_SetNewHook(NULL) == NULL) {
- FAIL("Failed to set new hook");
- }
- if (MallocHook_SetDeleteHook(NULL) == NULL) {
- FAIL("Failed to set delete hook");
- }
- }
- void TestMallocExtension(void) {
- int blocks;
- size_t total;
- int hist[64];
- char buffer[200];
- char* x = (char*)malloc(10);
- MallocExtension_VerifyAllMemory();
- MallocExtension_VerifyMallocMemory(x);
- MallocExtension_MallocMemoryStats(&blocks, &total, hist);
- MallocExtension_GetStats(buffer, sizeof(buffer));
- if (!MallocExtension_GetNumericProperty("generic.current_allocated_bytes",
- &total)) {
- FAIL("GetNumericProperty failed for generic.current_allocated_bytes");
- }
- if (total < 10) {
- FAIL("GetNumericProperty had bad return for generic.current_allocated_bytes");
- }
- if (!MallocExtension_GetNumericProperty("generic.current_allocated_bytes",
- &total)) {
- FAIL("GetNumericProperty failed for generic.current_allocated_bytes");
- }
- MallocExtension_MarkThreadIdle();
- MallocExtension_MarkThreadBusy();
- MallocExtension_ReleaseToSystem(1);
- MallocExtension_ReleaseFreeMemory();
- if (MallocExtension_GetEstimatedAllocatedSize(10) < 10) {
- FAIL("GetEstimatedAllocatedSize returned a bad value (too small)");
- }
- if (MallocExtension_GetAllocatedSize(x) < 10) {
- FAIL("GetEstimatedAllocatedSize returned a bad value (too small)");
- }
- if (MallocExtension_GetOwnership(x) != MallocExtension_kOwned) {
- FAIL("DidAllocatePtr returned a bad value (kNotOwned)");
- }
- /* TODO(csilvers): this relies on undocumented behavior that
- GetOwnership works on stack-allocated variables. Use a better test. */
- if (MallocExtension_GetOwnership(hist) != MallocExtension_kNotOwned) {
- FAIL("DidAllocatePtr returned a bad value (kOwned)");
- }
- free(x);
- }
- int main(int argc, char** argv) {
- TestMallocHook();
- TestMallocExtension();
- printf("PASS\n");
- return 0;
- }
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