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1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // WARNING: You should *NOT* be using this class directly. PlatformThread is | 5 // WARNING: You should *NOT* be using this class directly. PlatformThread is |
6 // the low-level platform-specific abstraction to the OS's threading interface. | 6 // the low-level platform-specific abstraction to the OS's threading interface. |
7 // You should instead be using a message-loop driven Thread, see thread.h. | 7 // You should instead be using a message-loop driven Thread, see thread.h. |
8 | 8 |
9 #ifndef BASE_PLATFORM_THREAD_H_ | 9 #ifndef BASE_PLATFORM_THREAD_H_ |
10 #define BASE_PLATFORM_THREAD_H_ | 10 #define BASE_PLATFORM_THREAD_H_ |
11 | 11 |
12 #include "base/basictypes.h" | 12 #include "base/basictypes.h" |
13 | 13 |
14 // PlatformThreadHandle should not be assumed to be a numeric type, since the | 14 // PlatformThreadHandle should not be assumed to be a numeric type, since the |
15 // standard intends to allow pthread_t to be a structure. This means you | 15 // standard intends to allow pthread_t to be a structure. This means you |
16 // should not initialize it to a value, like 0. If it's a member variable, the | 16 // should not initialize it to a value, like 0. If it's a member variable, the |
17 // constructor can safely "value initialize" using () in the initializer list. | 17 // constructor can safely "value initialize" using () in the initializer list. |
18 #if defined(OS_WIN) | 18 #if defined(OS_WIN) |
19 #include <windows.h> | 19 #include <windows.h> |
20 typedef DWORD PlatformThreadId; | 20 typedef DWORD PlatformThreadId; |
21 typedef void* PlatformThreadHandle; // HANDLE | 21 typedef void* PlatformThreadHandle; // HANDLE |
22 #elif defined(OS_POSIX) | 22 #elif defined(OS_POSIX) |
23 #include <pthread.h> | 23 #include <pthread.h> |
24 typedef pthread_t PlatformThreadHandle; | 24 typedef pthread_t PlatformThreadHandle; |
25 #if defined(OS_LINUX) | 25 #if defined(OS_LINUX) || defined(OS_OPENBSD) |
26 #include <unistd.h> | 26 #include <unistd.h> |
27 typedef pid_t PlatformThreadId; | 27 typedef pid_t PlatformThreadId; |
28 #elif defined(OS_MACOSX) | 28 #elif defined(OS_MACOSX) |
29 #include <mach/mach.h> | 29 #include <mach/mach.h> |
30 typedef mach_port_t PlatformThreadId; | 30 typedef mach_port_t PlatformThreadId; |
31 #endif | 31 #endif |
32 #endif | 32 #endif |
33 | 33 |
34 // A namespace for low-level thread functions. | 34 // A namespace for low-level thread functions. |
35 class PlatformThread { | 35 class PlatformThread { |
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73 // Joins with a thread created via the Create function. This function blocks | 73 // Joins with a thread created via the Create function. This function blocks |
74 // the caller until the designated thread exits. This will invalidate | 74 // the caller until the designated thread exits. This will invalidate |
75 // |thread_handle|. | 75 // |thread_handle|. |
76 static void Join(PlatformThreadHandle thread_handle); | 76 static void Join(PlatformThreadHandle thread_handle); |
77 | 77 |
78 private: | 78 private: |
79 DISALLOW_IMPLICIT_CONSTRUCTORS(PlatformThread); | 79 DISALLOW_IMPLICIT_CONSTRUCTORS(PlatformThread); |
80 }; | 80 }; |
81 | 81 |
82 #endif // BASE_PLATFORM_THREAD_H_ | 82 #endif // BASE_PLATFORM_THREAD_H_ |
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