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- Add some definitions to NDK

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- Prettify/document CreatePipe and correct some mistakes, use 120 second timeout like on NT and send FILE_PIPE flags instead of weird BOOLEAN values from hell.

svn path=/trunk/; revision=19065
This commit is contained in:
Alex Ionescu 2005-11-08 20:53:53 +00:00
parent 7f3dd627ae
commit 4e84f04716
3 changed files with 97 additions and 73 deletions
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1
reactos/include/ndk/iotypes.h
View file

@ -37,6 +37,7 @@ extern POBJECT_TYPE NTSYSAPI IoDriverObjectType;
#define FILE_DOES_NOT_EXIST 0x00000005
/* Pipe Flags */
#define FILE_PIPE_BYTE_STREAM_TYPE 0x00000000
#define FILE_PIPE_BYTE_STREAM_MODE 0x00000000
#define FILE_PIPE_MESSAGE_MODE 0x00000001
#define FILE_PIPE_QUEUE_OPERATION 0x00000000

9
reactos/include/ndk/rtlfuncs.h
View file

@ -1181,6 +1181,15 @@ RtlIsTextUnicode(
ULONG *Flags
);
NTSYSAPI
BOOLEAN
NTAPI
RtlPrefixString(
PCANSI_STRING String1,
PCANSI_STRING String2,
BOOLEAN CaseInsensitive
);
NTSYSAPI
BOOLEAN
NTAPI

160
reactos/lib/kernel32/file/pipe.c
View file

@ -17,95 +17,109 @@
/* GLOBALS ******************************************************************/
ULONG ProcessPipeId = 0;
LONG ProcessPipeId = 0;
/* FUNCTIONS ****************************************************************/
/*
* @implemented
*/
BOOL STDCALL CreatePipe(PHANDLE hReadPipe,
PHANDLE hWritePipe,
LPSECURITY_ATTRIBUTES lpPipeAttributes,
DWORD nSize)
BOOL
STDCALL
CreatePipe(PHANDLE hReadPipe,
PHANDLE hWritePipe,
LPSECURITY_ATTRIBUTES lpPipeAttributes,
DWORD nSize)
{
WCHAR Buffer[64];
UNICODE_STRING PipeName;
OBJECT_ATTRIBUTES ObjectAttributes;
IO_STATUS_BLOCK StatusBlock;
LARGE_INTEGER DefaultTimeout;
NTSTATUS Status;
HANDLE ReadPipeHandle;
HANDLE WritePipeHandle;
ULONG PipeId;
ULONG Attributes;
PSECURITY_DESCRIPTOR SecurityDescriptor = NULL;
WCHAR Buffer[64];
UNICODE_STRING PipeName;
OBJECT_ATTRIBUTES ObjectAttributes;
IO_STATUS_BLOCK StatusBlock;
LARGE_INTEGER DefaultTimeout;
NTSTATUS Status;
HANDLE ReadPipeHandle;
HANDLE WritePipeHandle;
LONG PipeId;
ULONG Attributes;
PSECURITY_DESCRIPTOR SecurityDescriptor = NULL;
DefaultTimeout.QuadPart = -300000000; /* 30 seconds */
/* Set the timeout to 120 seconds */
DefaultTimeout.QuadPart = -1200000000;
PipeId = (ULONG)InterlockedIncrement((LONG*)&ProcessPipeId);
swprintf(Buffer,
L"\\\\.\\PIPE\\Win32Pipes.%08x.%08x",
NtCurrentTeb()->Cid.UniqueProcess,
PipeId);
RtlInitUnicodeString (&PipeName,
Buffer);
/* Use default buffer size if desired */
if (!nSize) nSize = 0x1000;
Attributes = OBJ_CASE_INSENSITIVE;
if (lpPipeAttributes)
{
SecurityDescriptor = lpPipeAttributes->lpSecurityDescriptor;
if (lpPipeAttributes->bInheritHandle)
Attributes |= OBJ_INHERIT;
}
/* Increase the Pipe ID */
PipeId = InterlockedIncrement(&ProcessPipeId);
/* use default buffer size if desired */
if (nSize == 0)
nSize = 0x1000;
/* Create the pipe name */
swprintf(Buffer,
L"\\\\.\\PIPE\\Win32Pipes.%08x.%08x",
NtCurrentTeb()->Cid.UniqueProcess,
PipeId);
RtlInitUnicodeString(&PipeName, Buffer);
InitializeObjectAttributes(&ObjectAttributes,
&PipeName,
Attributes,
NULL,
SecurityDescriptor);
/* Always use case insensitive */
Attributes = OBJ_CASE_INSENSITIVE;
Status = NtCreateNamedPipeFile(&ReadPipeHandle,
FILE_GENERIC_READ |FILE_WRITE_ATTRIBUTES | SYNCHRONIZE,
&ObjectAttributes,
&StatusBlock,
FILE_SHARE_WRITE,
FILE_CREATE,
FILE_SYNCHRONOUS_IO_NONALERT,
FALSE,
FALSE,
FALSE,
1,
nSize,
nSize,
&DefaultTimeout);
if (!NT_SUCCESS(Status))
{
SetLastErrorByStatus(Status);
return FALSE;
}
/* Check if we got attributes */
if (lpPipeAttributes)
{
/* Use the attributes' SD instead */
SecurityDescriptor = lpPipeAttributes->lpSecurityDescriptor;
Status = NtOpenFile(&WritePipeHandle,
FILE_GENERIC_WRITE | SYNCHRONIZE,
&ObjectAttributes,
&StatusBlock,
FILE_SHARE_READ,
FILE_SYNCHRONOUS_IO_NONALERT);
if (!NT_SUCCESS(Status))
{
NtClose(ReadPipeHandle);
SetLastErrorByStatus(Status);
return FALSE;
}
/* Set OBJ_INHERIT if requested */
if (lpPipeAttributes->bInheritHandle) Attributes |= OBJ_INHERIT;
}
*hReadPipe = ReadPipeHandle;
*hWritePipe = WritePipeHandle;
/* Initialize the attributes */
InitializeObjectAttributes(&ObjectAttributes,
&PipeName,
Attributes,
NULL,
SecurityDescriptor);
return TRUE;
/* Create the named pipe */
Status = NtCreateNamedPipeFile(&ReadPipeHandle,
FILE_GENERIC_READ |FILE_WRITE_ATTRIBUTES | SYNCHRONIZE,
&ObjectAttributes,
&StatusBlock,
FILE_SHARE_WRITE,
FILE_CREATE,
FILE_SYNCHRONOUS_IO_NONALERT,
FILE_PIPE_BYTE_STREAM_TYPE,
FILE_PIPE_BYTE_STREAM_MODE,
FILE_PIPE_BYTE_STREAM_MODE,
1,
nSize,
nSize,
&DefaultTimeout);
if (!NT_SUCCESS(Status))
{
/* Convert error and fail */
SetLastErrorByStatus(Status);
return FALSE;
}
/* Now try opening it for write access */
Status = NtOpenFile(&WritePipeHandle,
FILE_GENERIC_WRITE | SYNCHRONIZE,
&ObjectAttributes,
&StatusBlock,
FILE_SHARE_READ,
FILE_SYNCHRONOUS_IO_NONALERT | FILE_NON_DIRECTORY_FILE);
if (!NT_SUCCESS(Status))
{
/* Convert error and fail */
NtClose(ReadPipeHandle);
SetLastErrorByStatus(Status);
return FALSE;
}
/* Return both handles */
*hReadPipe = ReadPipeHandle;
*hWritePipe = WritePipeHandle;
return TRUE;
}
/* EOF */