415 lines
18 KiB
C++
Executable File
415 lines
18 KiB
C++
Executable File
//////////////////////////////////////////////////////////////////////////////
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//
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// (C) Copyright Ion Gaztanaga 2005-2008. Distributed under the Boost
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// Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/interprocess for documentation.
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//
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//////////////////////////////////////////////////////////////////////////////
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#ifndef BOOST_INTERPROCESS_WIN32_SYNC_PRIMITIVES_HPP
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#define BOOST_INTERPROCESS_WIN32_SYNC_PRIMITIVES_HPP
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#include <boost/interprocess/detail/config_begin.hpp>
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#include <boost/interprocess/detail/workaround.hpp>
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#include <cstddef>
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#if (defined _MSC_VER) && (_MSC_VER >= 1200)
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# pragma once
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# pragma comment( lib, "advapi32.lib" )
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#endif
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#if (defined BOOST_WINDOWS) && !(defined BOOST_DISABLE_WIN32)
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# include <cstdarg>
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# include <boost/detail/interlocked.hpp>
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#else
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# error "This file can only be included in Windows OS"
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#endif
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//The structures used in Interprocess with the
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//same binary interface as windows ones
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namespace boost {
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namespace interprocess {
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namespace winapi {
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//Some used constants
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static const unsigned long infinite_time = 0xFFFFFFFF;
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static const unsigned long error_already_exists = 183L;
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static const unsigned long error_file_not_found = 2u;
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static const unsigned long semaphore_all_access = (0x000F0000L)|(0x00100000L)|0x3;
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static const unsigned long mutex_all_access = (0x000F0000L)|(0x00100000L)|0x0001;
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static const unsigned long page_readonly = 0x02;
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static const unsigned long page_readwrite = 0x04;
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static const unsigned long page_writecopy = 0x08;
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static const unsigned long standard_rights_required = 0x000F0000L;
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static const unsigned long section_query = 0x0001;
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static const unsigned long section_map_write = 0x0002;
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static const unsigned long section_map_read = 0x0004;
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static const unsigned long section_map_execute = 0x0008;
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static const unsigned long section_extend_size = 0x0010;
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static const unsigned long section_all_access = standard_rights_required |
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section_query |
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section_map_write |
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section_map_read |
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section_map_execute |
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section_extend_size;
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static const unsigned long file_map_copy = section_query;
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static const unsigned long file_map_write = section_map_write;
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static const unsigned long file_map_read = section_map_read;
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static const unsigned long file_map_all_access = section_all_access;
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static const unsigned long file_share_read = 0x00000001;
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static const unsigned long file_share_write = 0x00000002;
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static const unsigned long generic_read = 0x80000000L;
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static const unsigned long generic_write = 0x40000000L;
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static const unsigned long wait_object_0 = 0;
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static const unsigned long wait_abandoned = 0x00000080L;
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static const unsigned long wait_timeout = 258L;
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static const unsigned long wait_failed = (unsigned long)0xFFFFFFFF;
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static const unsigned long duplicate_close_source = (unsigned long)0x00000001;
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static const unsigned long duplicate_same_access = (unsigned long)0x00000002;
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static const unsigned long format_message_allocate_buffer
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= (unsigned long)0x00000100;
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static const unsigned long format_message_ignore_inserts
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= (unsigned long)0x00000200;
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static const unsigned long format_message_from_string
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= (unsigned long)0x00000400;
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static const unsigned long format_message_from_hmodule
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= (unsigned long)0x00000800;
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static const unsigned long format_message_from_system
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= (unsigned long)0x00001000;
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static const unsigned long format_message_argument_array
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= (unsigned long)0x00002000;
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static const unsigned long format_message_max_width_mask
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= (unsigned long)0x000000FF;
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static const unsigned long lang_neutral = (unsigned long)0x00;
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static const unsigned long sublang_default = (unsigned long)0x01;
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static const unsigned long invalid_file_size = (unsigned long)0xFFFFFFFF;
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static void * const invalid_handle_value = (void*)(long*)-1;
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static const unsigned long create_new = 1;
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static const unsigned long create_always = 2;
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static const unsigned long open_existing = 3;
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static const unsigned long open_always = 4;
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static const unsigned long truncate_existing = 5;
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static const unsigned long file_attribute_temporary = 0x00000100;
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static const unsigned long file_begin = 0;
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static const unsigned long file_current = 1;
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static const unsigned long file_end = 2;
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static const unsigned long lockfile_fail_immediately = 1;
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static const unsigned long lockfile_exclusive_lock = 2;
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static const unsigned long error_lock_violation = 33;
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static const unsigned long security_descriptor_revision = 1;
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} //namespace winapi {
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} //namespace interprocess {
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} //namespace boost {
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#if !defined( BOOST_USE_WINDOWS_H )
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namespace boost {
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namespace interprocess {
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namespace winapi {
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struct interprocess_overlapped
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{
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unsigned long *internal;
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unsigned long *internal_high;
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union {
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struct {
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unsigned long offset;
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unsigned long offset_high;
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}dummy;
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void *pointer;
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};
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void *h_event;
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};
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struct interprocess_filetime
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{
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unsigned long dwLowDateTime;
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unsigned long dwHighDateTime;
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};
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struct interprocess_security_attributes
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{
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unsigned long nLength;
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void *lpSecurityDescriptor;
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int bInheritHandle;
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};
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struct system_info {
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union {
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unsigned long dwOemId; // Obsolete field...do not use
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struct {
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unsigned short wProcessorArchitecture;
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unsigned short wReserved;
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} dummy;
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};
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unsigned long dwPageSize;
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void * lpMinimumApplicationAddress;
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void * lpMaximumApplicationAddress;
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unsigned long * dwActiveProcessorMask;
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unsigned long dwNumberOfProcessors;
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unsigned long dwProcessorType;
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unsigned long dwAllocationGranularity;
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unsigned short wProcessorLevel;
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unsigned short wProcessorRevision;
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};
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struct interprocess_memory_basic_information
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{
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void * BaseAddress;
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void * AllocationBase;
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unsigned long AllocationProtect;
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unsigned long RegionSize;
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unsigned long State;
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unsigned long Protect;
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unsigned long Type;
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};
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typedef struct _interprocess_acl
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{
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unsigned char AclRevision;
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unsigned char Sbz1;
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unsigned short AclSize;
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unsigned short AceCount;
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unsigned short Sbz2;
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} interprocess_acl;
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typedef struct _interprocess_security_descriptor
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{
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unsigned char Revision;
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unsigned char Sbz1;
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unsigned short Control;
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void *Owner;
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void *Group;
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interprocess_acl *Sacl;
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interprocess_acl *Dacl;
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} interprocess_security_descriptor;
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//Some windows API declarations
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extern "C" __declspec(dllimport) unsigned long __stdcall GetCurrentProcessId();
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extern "C" __declspec(dllimport) unsigned long __stdcall GetCurrentThreadId();
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extern "C" __declspec(dllimport) void __stdcall Sleep(unsigned long);
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extern "C" __declspec(dllimport) unsigned long __stdcall GetLastError();
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extern "C" __declspec(dllimport) void * __stdcall GetCurrentProcess();
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extern "C" __declspec(dllimport) int __stdcall CloseHandle(void*);
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extern "C" __declspec(dllimport) int __stdcall DuplicateHandle
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( void *hSourceProcessHandle, void *hSourceHandle
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, void *hTargetProcessHandle, void **lpTargetHandle
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, unsigned long dwDesiredAccess, int bInheritHandle
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, unsigned long dwOptions);
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extern "C" __declspec(dllimport) void __stdcall GetSystemTimeAsFileTime(interprocess_filetime*);
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extern "C" __declspec(dllimport) int __stdcall FileTimeToLocalFileTime(const interprocess_filetime *in, const interprocess_filetime *out);
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extern "C" __declspec(dllimport) void * __stdcall CreateMutexA(interprocess_security_attributes*, int, const char *);
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extern "C" __declspec(dllimport) void * __stdcall OpenMutexA(unsigned long, int, const char *);
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extern "C" __declspec(dllimport) unsigned long __stdcall WaitForSingleObject(void *, unsigned long);
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extern "C" __declspec(dllimport) int __stdcall ReleaseMutex(void *);
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extern "C" __declspec(dllimport) int __stdcall UnmapViewOfFile(void *);
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extern "C" __declspec(dllimport) void * __stdcall CreateSemaphoreA(interprocess_security_attributes*, long, long, const char *);
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extern "C" __declspec(dllimport) int __stdcall ReleaseSemaphore(void *, long, long *);
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extern "C" __declspec(dllimport) void * __stdcall OpenSemaphoreA(unsigned long, int, const char *);
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extern "C" __declspec(dllimport) void * __stdcall CreateFileMappingA (void *, interprocess_security_attributes*, unsigned long, unsigned long, unsigned long, const char *);
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extern "C" __declspec(dllimport) void * __stdcall MapViewOfFileEx (void *, unsigned long, unsigned long, unsigned long, std::size_t, void*);
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extern "C" __declspec(dllimport) void * __stdcall OpenFileMappingA (unsigned long, int, const char *);
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extern "C" __declspec(dllimport) void * __stdcall CreateFileA (const char *, unsigned long, unsigned long, struct interprocess_security_attributes*, unsigned long, unsigned long, void *);
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extern "C" __declspec(dllimport) int __stdcall DeleteFileA (const char *);
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extern "C" __declspec(dllimport) void __stdcall GetSystemInfo (struct system_info *);
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extern "C" __declspec(dllimport) int __stdcall FlushViewOfFile (void *, std::size_t);
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extern "C" __declspec(dllimport) int __stdcall GetFileSizeEx (void *, __int64 *size);
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extern "C" __declspec(dllimport) unsigned long __stdcall FormatMessageA
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(unsigned long dwFlags, const void *lpSource, unsigned long dwMessageId,
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unsigned long dwLanguageId, char *lpBuffer, unsigned long nSize,
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std::va_list *Arguments);
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extern "C" __declspec(dllimport) void *__stdcall LocalFree (void *);
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extern "C" __declspec(dllimport) int __stdcall CreateDirectoryA(const char *, interprocess_security_attributes*);
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extern "C" __declspec(dllimport) int __stdcall GetTempPathA(unsigned long length, char *buffer);
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extern "C" __declspec(dllimport) int __stdcall CreateDirectory(const char *, interprocess_security_attributes*);
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extern "C" __declspec(dllimport) int __stdcall SetFileValidData(void *, __int64 size);
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extern "C" __declspec(dllimport) int __stdcall SetEndOfFile(void *);
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extern "C" __declspec(dllimport) int __stdcall SetFilePointerEx(void *, __int64 distance, __int64 *new_file_pointer, unsigned long move_method);
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extern "C" __declspec(dllimport) int __stdcall LockFile (void *hnd, unsigned long offset_low, unsigned long offset_high, unsigned long size_low, unsigned long size_high);
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extern "C" __declspec(dllimport) int __stdcall UnlockFile(void *hnd, unsigned long offset_low, unsigned long offset_high, unsigned long size_low, unsigned long size_high);
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extern "C" __declspec(dllimport) int __stdcall LockFileEx(void *hnd, unsigned long flags, unsigned long reserved, unsigned long size_low, unsigned long size_high, interprocess_overlapped* overlapped);
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extern "C" __declspec(dllimport) int __stdcall UnlockFileEx(void *hnd, unsigned long reserved, unsigned long size_low, unsigned long size_high, interprocess_overlapped* overlapped);
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extern "C" __declspec(dllimport) int __stdcall WriteFile(void *hnd, const void *buffer, unsigned long bytes_to_write, unsigned long *bytes_written, interprocess_overlapped* overlapped);
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extern "C" __declspec(dllimport) int __stdcall InitializeSecurityDescriptor(interprocess_security_descriptor *pSecurityDescriptor, unsigned long dwRevision);
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extern "C" __declspec(dllimport) int __stdcall SetSecurityDescriptorDacl(interprocess_security_descriptor *pSecurityDescriptor, int bDaclPresent, interprocess_acl *pDacl, int bDaclDefaulted);
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} //namespace winapi {
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} //namespace interprocess {
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} //namespace boost {
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#else
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# include <windows.h>
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#endif //#if !defined( BOOST_USE_WINDOWS_H )
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namespace boost {
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namespace interprocess {
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namespace winapi {
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static inline unsigned long format_message
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(unsigned long dwFlags, const void *lpSource,
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unsigned long dwMessageId, unsigned long dwLanguageId,
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char *lpBuffer, unsigned long nSize, std::va_list *Arguments)
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{
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return FormatMessageA
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(dwFlags, lpSource, dwMessageId, dwLanguageId, lpBuffer, nSize, Arguments);
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}
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//And now, wrapper functions
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static inline void * local_free(void *hmem)
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{ return LocalFree(hmem); }
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static inline unsigned long make_lang_id(unsigned long p, unsigned long s)
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{ return ((((unsigned short)(s)) << 10) | (unsigned short)(p)); }
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static inline void sched_yield()
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{ Sleep(1); }
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static inline unsigned long get_current_thread_id()
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{ return GetCurrentThreadId(); }
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static inline unsigned long get_current_process_id()
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{ return GetCurrentProcessId(); }
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static inline unsigned int close_handle(void* handle)
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{ return CloseHandle(handle); }
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static inline bool duplicate_current_process_handle
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(void *hSourceHandle, void **lpTargetHandle)
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{
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return 0 != DuplicateHandle
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( GetCurrentProcess(), hSourceHandle, GetCurrentProcess()
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, lpTargetHandle, 0, 0
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, duplicate_same_access);
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}
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static inline unsigned long get_last_error()
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{ return GetLastError(); }
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static inline void get_system_time_as_file_time(interprocess_filetime *filetime)
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{ GetSystemTimeAsFileTime(filetime); }
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static inline bool file_time_to_local_file_time
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(const interprocess_filetime *in, const interprocess_filetime *out)
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{ return 0 != FileTimeToLocalFileTime(in, out); }
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static inline void *create_mutex(const char *name)
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{ return CreateMutexA(0, 0, name); }
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static inline void *open_mutex(const char *name)
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{ return OpenMutexA(mutex_all_access, 0, name); }
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static inline unsigned long wait_for_single_object(void *handle, unsigned long time)
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{ return WaitForSingleObject(handle, time); }
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static inline int release_mutex(void *handle)
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{ return ReleaseMutex(handle); }
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static inline int unmap_view_of_file(void *address)
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{ return UnmapViewOfFile(address); }
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static inline void *create_semaphore(long initialCount, const char *name)
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{ return CreateSemaphoreA(0, initialCount, (long)(((unsigned long)(-1))>>1), name); }
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static inline int release_semaphore(void *handle, long release_count, long *prev_count)
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{ return ReleaseSemaphore(handle, release_count, prev_count); }
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static inline void *open_semaphore(const char *name)
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{ return OpenSemaphoreA(semaphore_all_access, 1, name); }
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static inline void * create_file_mapping (void * handle, unsigned long access, unsigned long high_size, unsigned long low_size, const char * name)
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{
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interprocess_security_attributes sa;
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interprocess_security_descriptor sd;
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if(!InitializeSecurityDescriptor(&sd, security_descriptor_revision))
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return 0;
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if(!SetSecurityDescriptorDacl(&sd, true, 0, false))
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return 0;
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sa.lpSecurityDescriptor = &sd;
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sa.nLength = sizeof(interprocess_security_attributes);
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sa.bInheritHandle = false;
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return CreateFileMappingA (handle, &sa, access, high_size, low_size, name);
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//return CreateFileMappingA (handle, 0, access, high_size, low_size, name);
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}
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static inline void * open_file_mapping (unsigned long access, const char *name)
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{ return OpenFileMappingA (access, 0, name); }
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static inline void *map_view_of_file_ex(void *handle, unsigned long file_access, unsigned long highoffset, unsigned long lowoffset, std::size_t numbytes, void *base_addr)
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{ return MapViewOfFileEx(handle, file_access, highoffset, lowoffset, numbytes, base_addr); }
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static inline void *create_file(const char *name, unsigned long access, unsigned long creation_flags, unsigned long attributes = 0)
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{ return CreateFileA(name, access, file_share_read | file_share_write, 0, creation_flags, attributes, 0); }
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static inline bool delete_file(const char *name)
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{ return 0 != DeleteFileA(name); }
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static inline void get_system_info(system_info *info)
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{ GetSystemInfo(info); }
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static inline int flush_view_of_file(void *base_addr, std::size_t numbytes)
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{ return FlushViewOfFile(base_addr, numbytes); }
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static inline bool get_file_size(void *handle, __int64 &size)
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{ return 0 != GetFileSizeEx(handle, &size); }
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static inline bool create_directory(const char *name, interprocess_security_attributes* security)
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{ return 0 != CreateDirectoryA(name, security); }
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static inline unsigned long get_temp_path(unsigned long length, char *buffer)
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{ return GetTempPathA(length, buffer); }
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static inline int set_end_of_file(void *handle)
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{ return 0 != SetEndOfFile(handle); }
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static inline bool set_file_pointer_ex(void *handle, __int64 distance, __int64 *new_file_pointer, unsigned long move_method)
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{ return 0 != SetFilePointerEx(handle, distance, new_file_pointer, move_method); }
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static inline bool lock_file_ex(void *hnd, unsigned long flags, unsigned long reserved, unsigned long size_low, unsigned long size_high, interprocess_overlapped *overlapped)
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{ return 0 != LockFileEx(hnd, flags, reserved, size_low, size_high, overlapped); }
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static inline bool unlock_file_ex(void *hnd, unsigned long reserved, unsigned long size_low, unsigned long size_high, interprocess_overlapped *overlapped)
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{ return 0 != UnlockFileEx(hnd, reserved, size_low, size_high, overlapped); }
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static inline bool write_file(void *hnd, const void *buffer, unsigned long bytes_to_write, unsigned long *bytes_written, interprocess_overlapped* overlapped)
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{ return 0 != WriteFile(hnd, buffer, bytes_to_write, bytes_written, overlapped); }
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static inline long interlocked_increment(long volatile *addr)
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{ return BOOST_INTERLOCKED_INCREMENT(addr); }
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static inline long interlocked_decrement(long volatile *addr)
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{ return BOOST_INTERLOCKED_DECREMENT(addr); }
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static inline long interlocked_compare_exchange(long volatile *addr, long val1, long val2)
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{ return BOOST_INTERLOCKED_COMPARE_EXCHANGE(addr, val1, val2); }
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static inline long interlocked_exchange_add(long volatile* addend, long value)
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{ return BOOST_INTERLOCKED_EXCHANGE_ADD((long*)addend, value); }
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static inline long interlocked_exchange(long volatile* addend, long value)
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{ return BOOST_INTERLOCKED_EXCHANGE((long*)addend, value); }
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} //namespace winapi
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} //namespace interprocess
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} //namespace boost
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#include <boost/interprocess/detail/config_end.hpp>
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#endif //#ifdef BOOST_INTERPROCESS_WIN32_SYNC_PRIMITIVES_HPP
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