/src/perfetto/include/perfetto/base/proc_utils.h
Line | Count | Source |
1 | | /* |
2 | | * Copyright (C) 2019 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 INCLUDE_PERFETTO_BASE_PROC_UTILS_H_ |
18 | | #define INCLUDE_PERFETTO_BASE_PROC_UTILS_H_ |
19 | | |
20 | | #include <stdint.h> |
21 | | |
22 | | #include "perfetto/base/build_config.h" |
23 | | |
24 | | #if PERFETTO_BUILDFLAG(PERFETTO_OS_WIN) |
25 | | extern "C" { |
26 | | // Prototype extracted from the Windows SDK to avoid including windows.h. |
27 | | __declspec(dllimport) unsigned long __stdcall GetCurrentProcessId(); |
28 | | } |
29 | | #elif PERFETTO_BUILDFLAG(PERFETTO_OS_FUCHSIA) |
30 | | #include <zircon/process.h> |
31 | | #include <zircon/types.h> |
32 | | #else |
33 | | #include <unistd.h> |
34 | | #endif |
35 | | |
36 | | namespace perfetto { |
37 | | namespace base { |
38 | | |
39 | | #if PERFETTO_BUILDFLAG(PERFETTO_OS_FUCHSIA) |
40 | | using PlatformProcessId = zx_handle_t; |
41 | | inline PlatformProcessId GetProcessId() { |
42 | | return zx_process_self(); |
43 | | } |
44 | | #elif PERFETTO_BUILDFLAG(PERFETTO_OS_WIN) |
45 | | using PlatformProcessId = uint64_t; |
46 | | inline PlatformProcessId GetProcessId() { |
47 | | return static_cast<uint64_t>(GetCurrentProcessId()); |
48 | | } |
49 | | #else |
50 | | using PlatformProcessId = pid_t; |
51 | 423 | inline PlatformProcessId GetProcessId() { |
52 | 423 | return getpid(); |
53 | 423 | } |
54 | | #endif |
55 | | |
56 | | } // namespace base |
57 | | } // namespace perfetto |
58 | | |
59 | | #endif // INCLUDE_PERFETTO_BASE_PROC_UTILS_H_ |