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Primiano Tuccid7d1be02017-10-30 17:41:34 +00001/*
2 * Copyright (C) 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef PERFETTO_BASE_LOGGING_H_
18#define PERFETTO_BASE_LOGGING_H_
19
20#include <errno.h>
21#include <stdlib.h>
22#include <unistd.h>
23
24#if defined(NDEBUG)
25#define PERFETTO_DCHECK_IS_ON() 0
26#else
27#define PERFETTO_DCHECK_IS_ON() 1
28#include <stdio.h> // For fprintf.
29#include <string.h> // For strerror.
30#endif
31
32#include "base/utils.h"
33
34#if PERFETTO_DCHECK_IS_ON()
Primiano Tucci60fb8782017-11-09 13:45:05 +000035#define PERFETTO_DLOG(fmt, ...) \
36 fprintf(stderr, "\n[%s:%d, errno: %d %s]\n" fmt "\n\n", __FILE__, __LINE__, \
37 errno, errno ? strerror(errno) : "", ##__VA_ARGS__)
38#define PERFETTO_DPLOG(...) PERFETTO_DLOG(__VA_ARGS__)
Primiano Tucci60af59d2017-11-28 12:53:55 +000039#define PERFETTO_DCHECK(x) \
40 do { \
41 if (!__builtin_expect(!!(x), true)) { \
42 PERFETTO_DPLOG("%s", "PERFETTO_CHECK(" #x ")"); \
43 *(reinterpret_cast<volatile int*>(0x10)) = 0x42; \
44 __builtin_unreachable(); \
45 } \
Primiano Tuccid7d1be02017-10-30 17:41:34 +000046 } while (0)
47#else
48#define PERFETTO_DLOG(...) ::perfetto::base::ignore_result(__VA_ARGS__)
49#define PERFETTO_DPLOG(...) ::perfetto::base::ignore_result(__VA_ARGS__)
50#define PERFETTO_DCHECK(x) ::perfetto::base::ignore_result(x)
51#endif // PERFETTO_DCHECK_IS_ON()
52
53#if PERFETTO_DCHECK_IS_ON()
54#define PERFETTO_CHECK(x) PERFETTO_DCHECK(x)
55#else
56#define PERFETTO_CHECK(x) \
57 do { \
58 if (!__builtin_expect(!!(x), true)) \
59 abort(); \
60 } while (0)
61#endif // PERFETTO_DCHECK_IS_ON()
62
63#endif // PERFETTO_BASE_LOGGING_H_