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Brian Silverman20350ac2021-11-17 18:19:55 -08001// -*- Mode: c; c-basic-offset: 2; indent-tabs-mode: nil -*-
Austin Schuh745610d2015-09-06 18:19:50 -07002/* Copyright (c) 2008-2009, Google Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met:
8 *
9 * * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * * Redistributions in binary form must reproduce the above
12 * copyright notice, this list of conditions and the following disclaimer
13 * in the documentation and/or other materials provided with the
14 * distribution.
15 * * Neither the name of Google Inc. nor the names of its
16 * contributors may be used to endorse or promote products derived from
17 * this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 *
31 * ---
32 * Author: Kostya Serebryany
33 */
34
35#ifdef __cplusplus
36# error "This file should be built as pure C to avoid name mangling"
37#endif
38
39#include "config.h"
40#include <stdlib.h>
41#include <string.h>
42
43#include "base/dynamic_annotations.h"
44#include "getenv_safe.h" // for TCMallocGetenvSafe
45
Austin Schuh745610d2015-09-06 18:19:50 -070046static int GetRunningOnValgrind(void) {
47#ifdef RUNNING_ON_VALGRIND
48 if (RUNNING_ON_VALGRIND) return 1;
49#endif
50 const char *running_on_valgrind_str = TCMallocGetenvSafe("RUNNING_ON_VALGRIND");
51 if (running_on_valgrind_str) {
52 return strcmp(running_on_valgrind_str, "0") != 0;
53 }
54 return 0;
55}
56
57/* See the comments in dynamic_annotations.h */
58int RunningOnValgrind(void) {
59 static volatile int running_on_valgrind = -1;
60 int local_running_on_valgrind = running_on_valgrind;
Austin Schuh745610d2015-09-06 18:19:50 -070061 if (local_running_on_valgrind == -1)
62 running_on_valgrind = local_running_on_valgrind = GetRunningOnValgrind();
63 return local_running_on_valgrind;
64}