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#
# Author:: Serdar Sutay (<serdar@chef.io>)
# Copyright:: Copyright 2011-2016, Chef Software Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
require_relative "../api"
class Chef
module ReservedNames::Win32
module API
module Synchronization
extend Chef::ReservedNames::Win32::API
ffi_lib "kernel32"
# Constant synchronization functions use to indicate wait
# forever.
INFINITE = 0xFFFFFFFF
# Return codes
# http://msdn.microsoft.com/en-us/library/windows/desktop/ms687032(v=vs.85).aspx
WAIT_FAILED = 0xFFFFFFFF
WAIT_TIMEOUT = 0x00000102
WAIT_OBJECT_0 = 0x00000000
WAIT_ABANDONED = 0x00000080
# Security and access rights for synchronization objects
# http://msdn.microsoft.com/en-us/library/windows/desktop/ms686670(v=vs.85).aspx
DELETE = 0x00010000
READ_CONTROL = 0x00020000
SYNCHRONIZE = 0x00100000
WRITE_DAC = 0x00040000
WRITE_OWNER = 0x00080000
# Mutex specific rights
MUTEX_ALL_ACCESS = 0x001F0001
MUTEX_MODIFY_STATE = 0x00000001
=begin
HANDLE WINAPI CreateMutex(
_In_opt_ LPSECURITY_ATTRIBUTES lpMutexAttributes,
_In_ BOOL bInitialOwner,
_In_opt_ LPCTSTR lpName
);
=end
safe_attach_function :CreateMutexW, %i{LPSECURITY_ATTRIBUTES BOOL LPCTSTR}, :HANDLE
safe_attach_function :CreateMutexA, %i{LPSECURITY_ATTRIBUTES BOOL LPCTSTR}, :HANDLE
=begin
DWORD WINAPI WaitForSingleObject(
_In_ HANDLE hHandle,
_In_ DWORD dwMilliseconds
);
=end
safe_attach_function :WaitForSingleObject, %i{HANDLE DWORD}, :DWORD
=begin
BOOL WINAPI ReleaseMutex(
_In_ HANDLE hMutex
);
=end
safe_attach_function :ReleaseMutex, [ :HANDLE ], :BOOL
=begin
HANDLE WINAPI OpenMutex(
_In_ DWORD dwDesiredAccess,
_In_ BOOL bInheritHandle,
_In_ LPCTSTR lpName
);
=end
safe_attach_function :OpenMutexW, %i{DWORD BOOL LPCTSTR}, :HANDLE
safe_attach_function :OpenMutexA, %i{DWORD BOOL LPCTSTR}, :HANDLE
end
end
end
end
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