2 * Copyright 2010 Vicente J. Botet Escriba
3 * Copyright 2015 Andrey Semashev
5 * Distributed under the Boost Software License, Version 1.0.
6 * See http://www.boost.org/LICENSE_1_0.txt
9 #ifndef BOOST_WINAPI_SEMAPHORE_HPP_INCLUDED_
10 #define BOOST_WINAPI_SEMAPHORE_HPP_INCLUDED_
12 #include <boost/winapi/basic_types.hpp>
14 #ifdef BOOST_HAS_PRAGMA_ONCE
18 #if !defined( BOOST_USE_WINDOWS_H )
21 #if BOOST_WINAPI_PARTITION_APP_SYSTEM
22 #if !defined( BOOST_NO_ANSI_APIS )
24 BOOST_SYMBOL_IMPORT boost::winapi::HANDLE_ WINAPI
26 ::_SECURITY_ATTRIBUTES* lpSemaphoreAttributes,
27 boost::winapi::LONG_ lInitialCount,
28 boost::winapi::LONG_ lMaximumCount,
29 boost::winapi::LPCSTR_ lpName);
31 #if BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_WIN6
32 BOOST_SYMBOL_IMPORT boost::winapi::HANDLE_ WINAPI
34 ::_SECURITY_ATTRIBUTES* lpSemaphoreAttributes,
35 boost::winapi::LONG_ lInitialCount,
36 boost::winapi::LONG_ lMaximumCount,
37 boost::winapi::LPCSTR_ lpName,
38 boost::winapi::DWORD_ dwFlags,
39 boost::winapi::DWORD_ dwDesiredAccess);
42 #endif // !defined( BOOST_NO_ANSI_APIS )
44 BOOST_SYMBOL_IMPORT boost::winapi::HANDLE_ WINAPI
46 ::_SECURITY_ATTRIBUTES* lpSemaphoreAttributes,
47 boost::winapi::LONG_ lInitialCount,
48 boost::winapi::LONG_ lMaximumCount,
49 boost::winapi::LPCWSTR_ lpName);
51 #if BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_WIN6
52 BOOST_SYMBOL_IMPORT boost::winapi::HANDLE_ WINAPI
54 ::_SECURITY_ATTRIBUTES* lpSemaphoreAttributes,
55 boost::winapi::LONG_ lInitialCount,
56 boost::winapi::LONG_ lMaximumCount,
57 boost::winapi::LPCWSTR_ lpName,
58 boost::winapi::DWORD_ dwFlags,
59 boost::winapi::DWORD_ dwDesiredAccess);
62 BOOST_SYMBOL_IMPORT boost::winapi::BOOL_ WINAPI
64 boost::winapi::HANDLE_ hSemaphore,
65 boost::winapi::LONG_ lReleaseCount,
66 boost::winapi::LPLONG_ lpPreviousCount);
68 #endif // BOOST_WINAPI_PARTITION_APP_SYSTEM
70 #if BOOST_WINAPI_PARTITION_DESKTOP_SYSTEM
72 #if !defined( BOOST_NO_ANSI_APIS )
73 BOOST_SYMBOL_IMPORT boost::winapi::HANDLE_ WINAPI
75 boost::winapi::DWORD_ dwDesiredAccess,
76 boost::winapi::BOOL_ bInheritHandle,
77 boost::winapi::LPCSTR_ lpName);
78 #endif // !defined( BOOST_NO_ANSI_APIS )
80 BOOST_SYMBOL_IMPORT boost::winapi::HANDLE_ WINAPI
82 boost::winapi::DWORD_ dwDesiredAccess,
83 boost::winapi::BOOL_ bInheritHandle,
84 boost::winapi::LPCWSTR_ lpName);
86 #endif // BOOST_WINAPI_PARTITION_DESKTOP_SYSTEM
89 #endif // !defined( BOOST_USE_WINDOWS_H )
94 #if BOOST_WINAPI_PARTITION_APP_SYSTEM
96 using ::ReleaseSemaphore;
98 #if defined( BOOST_USE_WINDOWS_H )
100 const DWORD_ SEMAPHORE_ALL_ACCESS_ = SEMAPHORE_ALL_ACCESS;
101 const DWORD_ SEMAPHORE_MODIFY_STATE_ = SEMAPHORE_MODIFY_STATE;
103 #else // defined( BOOST_USE_WINDOWS_H )
105 const DWORD_ SEMAPHORE_ALL_ACCESS_ = 0x001F0003;
106 const DWORD_ SEMAPHORE_MODIFY_STATE_ = 0x00000002;
108 #endif // defined( BOOST_USE_WINDOWS_H )
110 // Undocumented and not present in Windows SDK. Enables NtQuerySemaphore.
111 // http://undocumented.ntinternals.net/index.html?page=UserMode%2FUndocumented%20Functions%2FNT%20Objects%2FEvent%2FNtQueryEvent.html
112 const DWORD_ SEMAPHORE_QUERY_STATE_ = 0x00000001;
114 const DWORD_ semaphore_all_access = SEMAPHORE_ALL_ACCESS_;
115 const DWORD_ semaphore_modify_state = SEMAPHORE_MODIFY_STATE_;
118 #if !defined( BOOST_NO_ANSI_APIS )
119 BOOST_FORCEINLINE HANDLE_ CreateSemaphoreA(SECURITY_ATTRIBUTES_* lpSemaphoreAttributes, LONG_ lInitialCount, LONG_ lMaximumCount, LPCSTR_ lpName)
121 return ::CreateSemaphoreA(reinterpret_cast< ::_SECURITY_ATTRIBUTES* >(lpSemaphoreAttributes), lInitialCount, lMaximumCount, lpName);
124 #if BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_WIN6
125 BOOST_FORCEINLINE HANDLE_ CreateSemaphoreExA(SECURITY_ATTRIBUTES_* lpSemaphoreAttributes, LONG_ lInitialCount, LONG_ lMaximumCount, LPCSTR_ lpName, DWORD_ dwFlags, DWORD_ dwDesiredAccess)
127 return ::CreateSemaphoreExA(reinterpret_cast< ::_SECURITY_ATTRIBUTES* >(lpSemaphoreAttributes), lInitialCount, lMaximumCount, lpName, dwFlags, dwDesiredAccess);
130 #endif // !defined( BOOST_NO_ANSI_APIS )
132 BOOST_FORCEINLINE HANDLE_ CreateSemaphoreW(SECURITY_ATTRIBUTES_* lpSemaphoreAttributes, LONG_ lInitialCount, LONG_ lMaximumCount, LPCWSTR_ lpName)
134 return ::CreateSemaphoreW(reinterpret_cast< ::_SECURITY_ATTRIBUTES* >(lpSemaphoreAttributes), lInitialCount, lMaximumCount, lpName);
137 #if BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_WIN6
138 BOOST_FORCEINLINE HANDLE_ CreateSemaphoreExW(SECURITY_ATTRIBUTES_* lpSemaphoreAttributes, LONG_ lInitialCount, LONG_ lMaximumCount, LPCWSTR_ lpName, DWORD_ dwFlags, DWORD_ dwDesiredAccess)
140 return ::CreateSemaphoreExW(reinterpret_cast< ::_SECURITY_ATTRIBUTES* >(lpSemaphoreAttributes), lInitialCount, lMaximumCount, lpName, dwFlags, dwDesiredAccess);
144 #if !defined( BOOST_NO_ANSI_APIS )
145 BOOST_FORCEINLINE HANDLE_ create_semaphore(SECURITY_ATTRIBUTES_* lpSemaphoreAttributes, LONG_ lInitialCount, LONG_ lMaximumCount, LPCSTR_ lpName)
147 return winapi::CreateSemaphoreA(lpSemaphoreAttributes, lInitialCount, lMaximumCount, lpName);
151 BOOST_FORCEINLINE HANDLE_ create_semaphore(SECURITY_ATTRIBUTES_* lpSemaphoreAttributes, LONG_ lInitialCount, LONG_ lMaximumCount, LPCWSTR_ lpName)
153 return winapi::CreateSemaphoreW(lpSemaphoreAttributes, lInitialCount, lMaximumCount, lpName);
156 BOOST_FORCEINLINE HANDLE_ create_anonymous_semaphore(SECURITY_ATTRIBUTES_* lpSemaphoreAttributes, LONG_ lInitialCount, LONG_ lMaximumCount)
158 return winapi::CreateSemaphoreW(lpSemaphoreAttributes, lInitialCount, lMaximumCount, 0);
161 #endif // BOOST_WINAPI_PARTITION_APP_SYSTEM
163 #if BOOST_WINAPI_PARTITION_DESKTOP_SYSTEM
165 #if !defined( BOOST_NO_ANSI_APIS )
166 using ::OpenSemaphoreA;
168 BOOST_FORCEINLINE HANDLE_ open_semaphore(DWORD_ dwDesiredAccess, BOOL_ bInheritHandle, LPCSTR_ lpName)
170 return ::OpenSemaphoreA(dwDesiredAccess, bInheritHandle, lpName);
172 #endif // !defined( BOOST_NO_ANSI_APIS )
174 using ::OpenSemaphoreW;
176 BOOST_FORCEINLINE HANDLE_ open_semaphore(DWORD_ dwDesiredAccess, BOOL_ bInheritHandle, LPCWSTR_ lpName)
178 return ::OpenSemaphoreW(dwDesiredAccess, bInheritHandle, lpName);
181 #endif // BOOST_WINAPI_PARTITION_DESKTOP_SYSTEM
186 #endif // BOOST_WINAPI_SEMAPHORE_HPP_INCLUDED_