1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
|
/* Copyright (c) 2008-2009, 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.
* * 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: Kostya Serebryany
*/
#ifdef _MSC_VER
# include <windows.h>
#endif
#ifdef __cplusplus
# error "This file should be built as pure C to avoid name mangling"
#endif
#include <stdlib.h>
#include <string.h>
#include "base/third_party/dynamic_annotations/dynamic_annotations.h"
#ifdef __GNUC__
/* valgrind.h uses gcc extensions so it won't build with other compilers */
# include "base/third_party/valgrind/valgrind.h"
#endif
/* Each function is empty and called (via a macro) only in debug mode.
The arguments are captured by dynamic tools at runtime. */
#if DYNAMIC_ANNOTATIONS_ENABLED == 1
void AnnotateRWLockCreate(const char *file, int line,
const volatile void *lock){}
void AnnotateRWLockDestroy(const char *file, int line,
const volatile void *lock){}
void AnnotateRWLockAcquired(const char *file, int line,
const volatile void *lock, long is_w){}
void AnnotateRWLockReleased(const char *file, int line,
const volatile void *lock, long is_w){}
void AnnotateBarrierInit(const char *file, int line,
const volatile void *barrier, long count,
long reinitialization_allowed) {}
void AnnotateBarrierWaitBefore(const char *file, int line,
const volatile void *barrier) {}
void AnnotateBarrierWaitAfter(const char *file, int line,
const volatile void *barrier) {}
void AnnotateBarrierDestroy(const char *file, int line,
const volatile void *barrier) {}
void AnnotateCondVarWait(const char *file, int line,
const volatile void *cv,
const volatile void *lock){}
void AnnotateCondVarSignal(const char *file, int line,
const volatile void *cv){}
void AnnotateCondVarSignalAll(const char *file, int line,
const volatile void *cv){}
void AnnotatePublishMemoryRange(const char *file, int line,
const volatile void *address,
long size){}
void AnnotateUnpublishMemoryRange(const char *file, int line,
const volatile void *address,
long size){}
void AnnotatePCQCreate(const char *file, int line,
const volatile void *pcq){}
void AnnotatePCQDestroy(const char *file, int line,
const volatile void *pcq){}
void AnnotatePCQPut(const char *file, int line,
const volatile void *pcq){}
void AnnotatePCQGet(const char *file, int line,
const volatile void *pcq){}
void AnnotateNewMemory(const char *file, int line,
const volatile void *mem,
long size){}
void AnnotateExpectRace(const char *file, int line,
const volatile void *mem,
const char *description){}
void AnnotateBenignRace(const char *file, int line,
const volatile void *mem,
const char *description){}
void AnnotateBenignRaceSized(const char *file, int line,
const volatile void *mem,
long size,
const char *description) {}
void AnnotateMutexIsUsedAsCondVar(const char *file, int line,
const volatile void *mu){}
void AnnotateTraceMemory(const char *file, int line,
const volatile void *arg){}
void AnnotateThreadName(const char *file, int line,
const char *name){}
void AnnotateIgnoreReadsBegin(const char *file, int line){}
void AnnotateIgnoreReadsEnd(const char *file, int line){}
void AnnotateIgnoreWritesBegin(const char *file, int line){}
void AnnotateIgnoreWritesEnd(const char *file, int line){}
void AnnotateIgnoreSyncBegin(const char *file, int line){}
void AnnotateIgnoreSyncEnd(const char *file, int line){}
void AnnotateEnableRaceDetection(const char *file, int line, int enable){}
void AnnotateNoOp(const char *file, int line,
const volatile void *arg){}
void AnnotateFlushState(const char *file, int line){}
#endif /* DYNAMIC_ANNOTATIONS_ENABLED == 1 */
static int GetRunningOnValgrind(void) {
#ifdef RUNNING_ON_VALGRIND
if (RUNNING_ON_VALGRIND) return 1;
#endif
#ifndef _MSC_VER
char *running_on_valgrind_str = getenv("RUNNING_ON_VALGRIND");
if (running_on_valgrind_str) {
return strcmp(running_on_valgrind_str, "0") != 0;
}
#else
/* Visual Studio issues warnings if we use getenv,
* so we use GetEnvironmentVariableA instead.
*/
char value[100] = "1";
int res = GetEnvironmentVariableA("RUNNING_ON_VALGRIND",
value, sizeof(value));
/* value will remain "1" if res == 0 or res >= sizeof(value). The latter
* can happen only if the given value is long, in this case it can't be "0".
*/
if (res > 0 && strcmp(value, "0") != 0)
return 1;
#endif
return 0;
}
/* See the comments in dynamic_annotations.h */
int RunningOnValgrind(void) {
static volatile int running_on_valgrind = -1;
/* C doesn't have thread-safe initialization of statics, and we
don't want to depend on pthread_once here, so hack it. */
int local_running_on_valgrind = running_on_valgrind;
if (local_running_on_valgrind == -1)
running_on_valgrind = local_running_on_valgrind = GetRunningOnValgrind();
return local_running_on_valgrind;
}
|
