122 lines
3.0 KiB
C
122 lines
3.0 KiB
C
/**
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* WinPR: Windows Portable Runtime
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* Handle Management
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*
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* Copyright 2012 Marc-Andre Moreau <marcandre.moreau@gmail.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef WINPR_HANDLE_PRIVATE_H
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#define WINPR_HANDLE_PRIVATE_H
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#include <winpr/handle.h>
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#include <winpr/file.h>
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#include <winpr/synch.h>
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#define HANDLE_TYPE_NONE 0
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#define HANDLE_TYPE_PROCESS 1
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#define HANDLE_TYPE_THREAD 2
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#define HANDLE_TYPE_EVENT 3
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#define HANDLE_TYPE_MUTEX 4
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#define HANDLE_TYPE_SEMAPHORE 5
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#define HANDLE_TYPE_TIMER 6
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#define HANDLE_TYPE_NAMED_PIPE 7
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#define HANDLE_TYPE_ANONYMOUS_PIPE 8
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#define HANDLE_TYPE_ACCESS_TOKEN 9
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#define HANDLE_TYPE_FILE 10
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#define HANDLE_TYPE_TIMER_QUEUE 11
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#define HANDLE_TYPE_TIMER_QUEUE_TIMER 12
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#define HANDLE_TYPE_COMM 13
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#define WINPR_HANDLE_DEF() \
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ULONG Type; \
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HANDLE_OPS *ops
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typedef BOOL (*pcIsHandled)(HANDLE handle);
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typedef BOOL (*pcCloseHandle)(HANDLE handle);
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typedef int (*pcGetFd)(HANDLE handle);
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typedef DWORD (*pcCleanupHandle)(HANDLE handle);
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typedef BOOL (*pcReadFile)(PVOID Object, LPVOID lpBuffer, DWORD nNumberOfBytesToRead,
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LPDWORD lpNumberOfBytesRead, LPOVERLAPPED lpOverlapped);
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typedef BOOL (*pcWriteFile)(PVOID Object, LPCVOID lpBuffer, DWORD nNumberOfBytesToWrite,
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LPDWORD lpNumberOfBytesWritten, LPOVERLAPPED lpOverlapped);
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typedef struct _HANDLE_OPS
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{
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pcIsHandled IsHandled;
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pcCloseHandle CloseHandle;
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pcGetFd GetFd;
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pcCleanupHandle CleanupHandle;
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pcReadFile ReadFile;
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pcWriteFile WriteFile;
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} HANDLE_OPS;
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struct winpr_handle
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{
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WINPR_HANDLE_DEF();
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};
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typedef struct winpr_handle WINPR_HANDLE;
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#define WINPR_HANDLE_SET_TYPE(_handle, _type) \
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_handle->Type = _type
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static INLINE BOOL winpr_Handle_GetInfo(HANDLE handle, ULONG* pType, PVOID* pObject)
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{
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WINPR_HANDLE* wHandle;
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if (handle == NULL || handle == INVALID_HANDLE_VALUE)
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return FALSE;
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wHandle = (WINPR_HANDLE*) handle;
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*pType = wHandle->Type;
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*pObject = handle;
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return TRUE;
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}
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static INLINE int winpr_Handle_getFd(HANDLE handle)
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{
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WINPR_HANDLE *hdl;
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ULONG type;
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if (!winpr_Handle_GetInfo(handle, &type, (PVOID*)&hdl))
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return -1;
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if (!hdl || !hdl->ops->GetFd)
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return -1;
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return hdl->ops->GetFd(handle);
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}
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static INLINE DWORD winpr_Handle_cleanup(HANDLE handle)
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{
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WINPR_HANDLE *hdl;
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ULONG type;
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if (!winpr_Handle_GetInfo(handle, &type, (PVOID*)&hdl))
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return WAIT_FAILED;
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if (!hdl)
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return WAIT_FAILED;
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/* If there is no cleanup function, assume all ok. */
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if (!hdl->ops->CleanupHandle)
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return WAIT_OBJECT_0;
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return hdl->ops->CleanupHandle(handle);
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}
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#endif /* WINPR_HANDLE_PRIVATE_H */
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