87 lines
2.6 KiB
C
87 lines
2.6 KiB
C
/**
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* WinPR: Windows Portable Runtime
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* Asynchronous I/O Functions
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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_IO_H
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#define WINPR_IO_H
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#include <winpr/winpr.h>
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#include <winpr/wtypes.h>
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#ifndef _WIN32
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typedef struct _OVERLAPPED
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{
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ULONG_PTR Internal;
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ULONG_PTR InternalHigh;
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union
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{
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struct
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{
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DWORD Offset;
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DWORD OffsetHigh;
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};
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PVOID Pointer;
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};
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HANDLE hEvent;
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} OVERLAPPED, *LPOVERLAPPED;
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typedef struct _OVERLAPPED_ENTRY
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{
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ULONG_PTR lpCompletionKey;
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LPOVERLAPPED lpOverlapped;
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ULONG_PTR Internal;
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DWORD dwNumberOfBytesTransferred;
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} OVERLAPPED_ENTRY, *LPOVERLAPPED_ENTRY;
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#ifdef __cplusplus
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extern "C" {
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#endif
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WINPR_API BOOL GetOverlappedResult(HANDLE hFile, LPOVERLAPPED lpOverlapped, LPDWORD lpNumberOfBytesTransferred, BOOL bWait);
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WINPR_API BOOL GetOverlappedResultEx(HANDLE hFile, LPOVERLAPPED lpOverlapped, LPDWORD lpNumberOfBytesTransferred, DWORD dwMilliseconds, BOOL bAlertable);
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WINPR_API BOOL DeviceIoControl(HANDLE hDevice, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize,
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LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped);
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WINPR_API HANDLE CreateIoCompletionPort(HANDLE FileHandle, HANDLE ExistingCompletionPort, ULONG_PTR CompletionKey, DWORD NumberOfConcurrentThreads);
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WINPR_API BOOL GetQueuedCompletionStatus(HANDLE CompletionPort, LPDWORD lpNumberOfBytesTransferred,
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PULONG_PTR lpCompletionKey, LPOVERLAPPED* lpOverlapped, DWORD dwMilliseconds);
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WINPR_API BOOL GetQueuedCompletionStatusEx(HANDLE CompletionPort, LPOVERLAPPED_ENTRY lpCompletionPortEntries,
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ULONG ulCount, PULONG ulNumEntriesRemoved, DWORD dwMilliseconds, BOOL fAlertable);
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WINPR_API BOOL PostQueuedCompletionStatus(HANDLE CompletionPort, DWORD dwNumberOfBytesTransferred, ULONG_PTR dwCompletionKey, LPOVERLAPPED lpOverlapped);
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WINPR_API BOOL CancelIo(HANDLE hFile);
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WINPR_API BOOL CancelIoEx(HANDLE hFile, LPOVERLAPPED lpOverlapped);
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WINPR_API BOOL CancelSynchronousIo(HANDLE hThread);
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#ifdef __cplusplus
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}
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#endif
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#endif
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#endif /* WINPR_IO_H */
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