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kernel32: Moved PeekNamedPipe implementation to ntdll.

This commit is contained in:
Alexandre Julliard 2006-11-01 16:24:36 +01:00
parent 2cb4361c06
commit 313d93e491
3 changed files with 100 additions and 74 deletions
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92
dlls/kernel32/sync.c
View File

@ -26,18 +26,6 @@
# include <unistd.h>
#endif
#include <errno.h>
#ifdef HAVE_SYS_IOCTL_H
#include <sys/ioctl.h>
#endif
#ifdef HAVE_POLL_H
#include <poll.h>
#endif
#ifdef HAVE_SYS_POLL_H
#include <sys/poll.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#include <stdarg.h>
#include <stdio.h>
@ -54,7 +42,6 @@
#include "winioctl.h"
#include "ddk/wdm.h"
#include "wine/server.h"
#include "wine/unicode.h"
#include "wine/winbase16.h"
#include "kernel_private.h"
@ -1194,75 +1181,32 @@ HANDLE WINAPI CreateNamedPipeW( LPCWSTR name, DWORD dwOpenMode,
BOOL WINAPI PeekNamedPipe( HANDLE hPipe, LPVOID lpvBuffer, DWORD cbBuffer,
LPDWORD lpcbRead, LPDWORD lpcbAvail, LPDWORD lpcbMessage )
{
#ifdef FIONREAD
int avail=0, fd, ret, flags;
FILE_PIPE_PEEK_BUFFER local_buffer;
FILE_PIPE_PEEK_BUFFER *buffer = &local_buffer;
IO_STATUS_BLOCK io;
NTSTATUS status;
TRACE("(%p,%p,%u,%p,%p,%p)\n", hPipe, lpvBuffer, cbBuffer, lpcbRead, lpcbAvail, lpcbMessage);
ret = wine_server_handle_to_fd( hPipe, FILE_READ_DATA, &fd, &flags );
if (ret)
if (cbBuffer && !(buffer = HeapAlloc( GetProcessHeap(), 0,
FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data[cbBuffer] ))))
{
SetLastError( RtlNtStatusToDosError(ret) );
return FALSE;
}
if (flags & FD_FLAG_RECV_SHUTDOWN)
{
wine_server_release_fd( hPipe, fd );
SetLastError ( ERROR_PIPE_NOT_CONNECTED );
SetLastError( ERROR_NOT_ENOUGH_MEMORY );
return FALSE;
}
if (ioctl(fd,FIONREAD, &avail ) != 0)
status = NtFsControlFile( hPipe, 0, NULL, NULL, &io, FSCTL_PIPE_PEEK, NULL, 0,
buffer, FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data[cbBuffer] ) );
if (!status)
{
TRACE("FIONREAD failed reason: %s\n",strerror(errno));
wine_server_release_fd( hPipe, fd );
return FALSE;
ULONG read_size = io.Information - FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data );
if (lpcbAvail) *lpcbAvail = buffer->ReadDataAvailable;
if (lpcbRead) *lpcbRead = read_size;
if (lpcbMessage) *lpcbMessage = 0; /* FIXME */
if (lpvBuffer) memcpy( lpvBuffer, buffer->Data, read_size );
}
if (!avail) /* check for closed pipe */
{
struct pollfd pollfd;
pollfd.fd = fd;
pollfd.events = POLLIN;
pollfd.revents = 0;
switch (poll( &pollfd, 1, 0 ))
{
case 0:
break;
case 1: /* got something */
if (!(pollfd.revents & (POLLHUP | POLLERR))) break;
TRACE("POLLHUP | POLLERR\n");
/* fall through */
case -1:
wine_server_release_fd( hPipe, fd );
SetLastError(ERROR_BROKEN_PIPE);
return FALSE;
}
}
TRACE(" 0x%08x bytes available\n", avail );
ret = TRUE;
if (lpcbAvail)
*lpcbAvail = avail;
if (lpcbRead)
*lpcbRead = 0;
if (avail && lpvBuffer && cbBuffer)
{
int readbytes = (avail < cbBuffer) ? avail : cbBuffer;
readbytes = recv(fd, lpvBuffer, readbytes, MSG_PEEK);
if (readbytes < 0)
{
WARN("failed to peek socket (%d)\n", errno);
ret = FALSE;
}
else if (lpcbRead)
*lpcbRead = readbytes;
}
wine_server_release_fd( hPipe, fd );
return ret;
#endif /* defined(FIONREAD) */
else SetLastError( RtlNtStatusToDosError(status) );
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
FIXME("function not implemented\n");
return FALSE;
if (buffer != &local_buffer) HeapFree( GetProcessHeap(), 0, buffer );
return !status;
}
/***********************************************************************

74
dlls/ntdll/file.c
View File

@ -42,6 +42,15 @@
#ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
#ifdef HAVE_POLL_H
#include <poll.h>
#endif
#ifdef HAVE_SYS_POLL_H
#include <sys/poll.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_UTIME_H
# include <utime.h>
#endif
@ -1014,6 +1023,71 @@ NTSTATUS WINAPI NtFsControlFile(HANDLE handle, HANDLE event, PIO_APC_ROUTINE apc
}
break;
case FSCTL_PIPE_PEEK:
{
FILE_PIPE_PEEK_BUFFER *buffer = out_buffer;
int avail = 0, fd, flags;
if (out_size < FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data ))
{
io->u.Status = STATUS_INFO_LENGTH_MISMATCH;
break;
}
if ((io->u.Status = wine_server_handle_to_fd( handle, FILE_READ_DATA, &fd, &flags )))
break;
if (flags & FD_FLAG_RECV_SHUTDOWN)
{
wine_server_release_fd( handle, fd );
io->u.Status = STATUS_PIPE_DISCONNECTED;
break;
}
#ifdef FIONREAD
if (ioctl( fd, FIONREAD, &avail ) != 0)
{
TRACE("FIONREAD failed reason: %s\n",strerror(errno));
wine_server_release_fd( handle, fd );
io->u.Status = FILE_GetNtStatus();
break;
}
#endif
if (!avail) /* check for closed pipe */
{
struct pollfd pollfd;
int ret;
pollfd.fd = fd;
pollfd.events = POLLIN;
pollfd.revents = 0;
ret = poll( &pollfd, 1, 0 );
if (ret == -1 || (ret == 1 && (pollfd.revents & (POLLHUP|POLLERR))))
{
wine_server_release_fd( handle, fd );
io->u.Status = STATUS_PIPE_BROKEN;
break;
}
}
buffer->NamedPipeState = 0; /* FIXME */
buffer->ReadDataAvailable = avail;
buffer->NumberOfMessages = 0; /* FIXME */
buffer->MessageLength = 0; /* FIXME */
io->Information = FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data );
io->u.Status = STATUS_SUCCESS;
if (avail)
{
ULONG data_size = out_size - FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data );
if (data_size)
{
int res = recv( fd, buffer->Data, data_size, MSG_PEEK );
if (res >= 0) io->Information += res;
}
}
wine_server_release_fd( handle, fd );
}
break;
case FSCTL_PIPE_DISCONNECT:
SERVER_START_REQ(disconnect_named_pipe)
{

8
include/winioctl.h
View File

@ -411,6 +411,14 @@ typedef struct _FILE_PIPE_WAIT_FOR_BUFFER {
WCHAR Name[1];
} FILE_PIPE_WAIT_FOR_BUFFER, *PFILE_PIPE_WAIT_FOR_BUFFER;
typedef struct _FILE_PIPE_PEEK_BUFFER {
ULONG NamedPipeState;
ULONG ReadDataAvailable;
ULONG NumberOfMessages;
ULONG MessageLength;
CHAR Data[1];
} FILE_PIPE_PEEK_BUFFER, *PFILE_PIPE_PEEK_BUFFER;
/* Device GUIDs */
#ifdef DEFINE_GUID