/** * WinPR: Windows Portable Runtime * Asynchronous I/O Functions * * Copyright 2012 Marc-Andre Moreau * * 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. */ #ifndef WINPR_IO_H #define WINPR_IO_H #include #include #ifdef _WIN32 #include #else #include typedef struct _OVERLAPPED { ULONG_PTR Internal; ULONG_PTR InternalHigh; union { struct { DWORD Offset; DWORD OffsetHigh; }; PVOID Pointer; }; HANDLE hEvent; } OVERLAPPED, *LPOVERLAPPED; typedef struct _OVERLAPPED_ENTRY { ULONG_PTR lpCompletionKey; LPOVERLAPPED lpOverlapped; ULONG_PTR Internal; DWORD dwNumberOfBytesTransferred; } OVERLAPPED_ENTRY, *LPOVERLAPPED_ENTRY; #ifdef __cplusplus extern "C" { #endif WINPR_API BOOL GetOverlappedResult(HANDLE hFile, LPOVERLAPPED lpOverlapped, LPDWORD lpNumberOfBytesTransferred, BOOL bWait); WINPR_API BOOL GetOverlappedResultEx(HANDLE hFile, LPOVERLAPPED lpOverlapped, LPDWORD lpNumberOfBytesTransferred, DWORD dwMilliseconds, BOOL bAlertable); WINPR_API BOOL DeviceIoControl(HANDLE hDevice, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped); WINPR_API HANDLE CreateIoCompletionPort(HANDLE FileHandle, HANDLE ExistingCompletionPort, ULONG_PTR CompletionKey, DWORD NumberOfConcurrentThreads); WINPR_API BOOL GetQueuedCompletionStatus(HANDLE CompletionPort, LPDWORD lpNumberOfBytesTransferred, PULONG_PTR lpCompletionKey, LPOVERLAPPED* lpOverlapped, DWORD dwMilliseconds); WINPR_API BOOL GetQueuedCompletionStatusEx(HANDLE CompletionPort, LPOVERLAPPED_ENTRY lpCompletionPortEntries, ULONG ulCount, PULONG ulNumEntriesRemoved, DWORD dwMilliseconds, BOOL fAlertable); WINPR_API BOOL PostQueuedCompletionStatus(HANDLE CompletionPort, DWORD dwNumberOfBytesTransferred, ULONG_PTR dwCompletionKey, LPOVERLAPPED lpOverlapped); WINPR_API BOOL CancelIo(HANDLE hFile); WINPR_API BOOL CancelIoEx(HANDLE hFile, LPOVERLAPPED lpOverlapped); WINPR_API BOOL CancelSynchronousIo(HANDLE hThread); #ifdef __cplusplus } #endif #define DEVICE_TYPE ULONG #define FILE_DEVICE_BEEP 0x00000001 #define FILE_DEVICE_CD_ROM 0x00000002 #define FILE_DEVICE_CD_ROM_FILE_SYSTEM 0x00000003 #define FILE_DEVICE_CONTROLLER 0x00000004 #define FILE_DEVICE_DATALINK 0x00000005 #define FILE_DEVICE_DFS 0x00000006 #define FILE_DEVICE_DISK 0x00000007 #define FILE_DEVICE_DISK_FILE_SYSTEM 0x00000008 #define FILE_DEVICE_FILE_SYSTEM 0x00000009 #define FILE_DEVICE_INPORT_PORT 0x0000000a #define FILE_DEVICE_KEYBOARD 0x0000000b #define FILE_DEVICE_MAILSLOT 0x0000000c #define FILE_DEVICE_MIDI_IN 0x0000000d #define FILE_DEVICE_MIDI_OUT 0x0000000e #define FILE_DEVICE_MOUSE 0x0000000f #define FILE_DEVICE_MULTI_UNC_PROVIDER 0x00000010 #define FILE_DEVICE_NAMED_PIPE 0x00000011 #define FILE_DEVICE_NETWORK 0x00000012 #define FILE_DEVICE_NETWORK_BROWSER 0x00000013 #define FILE_DEVICE_NETWORK_FILE_SYSTEM 0x00000014 #define FILE_DEVICE_NULL 0x00000015 #define FILE_DEVICE_PARALLEL_PORT 0x00000016 #define FILE_DEVICE_PHYSICAL_NETCARD 0x00000017 #define FILE_DEVICE_PRINTER 0x00000018 #define FILE_DEVICE_SCANNER 0x00000019 #define FILE_DEVICE_SERIAL_MOUSE_PORT 0x0000001a #define FILE_DEVICE_SERIAL_PORT 0x0000001b #define FILE_DEVICE_SCREEN 0x0000001c #define FILE_DEVICE_SOUND 0x0000001d #define FILE_DEVICE_STREAMS 0x0000001e #define FILE_DEVICE_TAPE 0x0000001f #define FILE_DEVICE_TAPE_FILE_SYSTEM 0x00000020 #define FILE_DEVICE_TRANSPORT 0x00000021 #define FILE_DEVICE_UNKNOWN 0x00000022 #define FILE_DEVICE_VIDEO 0x00000023 #define FILE_DEVICE_VIRTUAL_DISK 0x00000024 #define FILE_DEVICE_WAVE_IN 0x00000025 #define FILE_DEVICE_WAVE_OUT 0x00000026 #define FILE_DEVICE_8042_PORT 0x00000027 #define FILE_DEVICE_NETWORK_REDIRECTOR 0x00000028 #define FILE_DEVICE_BATTERY 0x00000029 #define FILE_DEVICE_BUS_EXTENDER 0x0000002a #define FILE_DEVICE_MODEM 0x0000002b #define FILE_DEVICE_VDM 0x0000002c #define FILE_DEVICE_MASS_STORAGE 0x0000002d #define FILE_DEVICE_SMB 0x0000002e #define FILE_DEVICE_KS 0x0000002f #define FILE_DEVICE_CHANGER 0x00000030 #define FILE_DEVICE_SMARTCARD 0x00000031 #define FILE_DEVICE_ACPI 0x00000032 #define FILE_DEVICE_DVD 0x00000033 #define FILE_DEVICE_FULLSCREEN_VIDEO 0x00000034 #define FILE_DEVICE_DFS_FILE_SYSTEM 0x00000035 #define FILE_DEVICE_DFS_VOLUME 0x00000036 #define FILE_DEVICE_SERENUM 0x00000037 #define FILE_DEVICE_TERMSRV 0x00000038 #define FILE_DEVICE_KSEC 0x00000039 #define FILE_DEVICE_FIPS 0x0000003A #define FILE_DEVICE_INFINIBAND 0x0000003B #define FILE_DEVICE_VMBUS 0x0000003E #define FILE_DEVICE_CRYPT_PROVIDER 0x0000003F #define FILE_DEVICE_WPD 0x00000040 #define FILE_DEVICE_BLUETOOTH 0x00000041 #define FILE_DEVICE_MT_COMPOSITE 0x00000042 #define FILE_DEVICE_MT_TRANSPORT 0x00000043 #define FILE_DEVICE_BIOMETRIC 0x00000044 #define FILE_DEVICE_PMI 0x00000045 #define CTL_CODE(DeviceType, Function, Method, Access) \ (((DeviceType) << 16) | ((Access) << 14) | ((Function) << 2) | (Method)) #define DEVICE_TYPE_FROM_CTL_CODE(ctrlCode) (((DWORD)(ctrlCode & 0xFFFF0000)) >> 16) #define METHOD_FROM_CTL_CODE(ctrlCode) ((DWORD)(ctrlCode & 3)) #define METHOD_BUFFERED 0 #define METHOD_IN_DIRECT 1 #define METHOD_OUT_DIRECT 2 #define METHOD_NEITHER 3 #define FILE_ANY_ACCESS 0 #define FILE_SPECIAL_ACCESS (FILE_ANY_ACCESS) #define FILE_READ_ACCESS (0x0001) #define FILE_WRITE_ACCESS (0x0002) /* * WinPR I/O Manager Custom API */ typedef HANDLE PDRIVER_OBJECT_EX; typedef HANDLE PDEVICE_OBJECT_EX; WINPR_API NTSTATUS _IoCreateDeviceEx(PDRIVER_OBJECT_EX DriverObject, ULONG DeviceExtensionSize, PUNICODE_STRING DeviceName, DEVICE_TYPE DeviceType, ULONG DeviceCharacteristics, BOOLEAN Exclusive, PDEVICE_OBJECT_EX* DeviceObject); WINPR_API VOID _IoDeleteDeviceEx(PDEVICE_OBJECT_EX DeviceObject); #endif #ifdef _UWP #ifdef __cplusplus extern "C" { #endif WINPR_API BOOL GetOverlappedResult(HANDLE hFile, LPOVERLAPPED lpOverlapped, LPDWORD lpNumberOfBytesTransferred, BOOL bWait); WINPR_API BOOL DeviceIoControl(HANDLE hDevice, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped); WINPR_API HANDLE CreateIoCompletionPort(HANDLE FileHandle, HANDLE ExistingCompletionPort, ULONG_PTR CompletionKey, DWORD NumberOfConcurrentThreads); WINPR_API BOOL GetQueuedCompletionStatus(HANDLE CompletionPort, LPDWORD lpNumberOfBytesTransferred, PULONG_PTR lpCompletionKey, LPOVERLAPPED* lpOverlapped, DWORD dwMilliseconds); WINPR_API BOOL GetQueuedCompletionStatusEx(HANDLE CompletionPort, LPOVERLAPPED_ENTRY lpCompletionPortEntries, ULONG ulCount, PULONG ulNumEntriesRemoved, DWORD dwMilliseconds, BOOL fAlertable); WINPR_API BOOL PostQueuedCompletionStatus(HANDLE CompletionPort, DWORD dwNumberOfBytesTransferred, ULONG_PTR dwCompletionKey, LPOVERLAPPED lpOverlapped); WINPR_API BOOL CancelIo(HANDLE hFile); WINPR_API BOOL CancelSynchronousIo(HANDLE hThread); #ifdef __cplusplus } #endif #endif /** * Extended API */ #define ACCESS_FROM_CTL_CODE(ctrlCode) ((DWORD)((ctrlCode >> 14) & 0x3)) #define FUNCTION_FROM_CTL_CODE(ctrlCode) ((DWORD)((ctrlCode >> 2) & 0xFFF)) #endif /* WINPR_IO_H */