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ntdll: Introduce IOCTL_AFD_WINE_FIONREAD. 

Signed-off-by: Zebediah Figura <z.figura12@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2021-06-02 17:03:59 -05:00 committed by Alexandre Julliard
parent d1cd6f4a57
commit 5917d573b6
2 changed files with 43 additions and 0 deletions
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42
dlls/ntdll/unix/socket.c
View File

@ -25,6 +25,9 @@
#include "config.h"
#include <errno.h>
#include <unistd.h>
#ifdef HAVE_SYS_IOCTL_H
# include <sys/ioctl.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
@ -1274,6 +1277,45 @@ NTSTATUS sock_ioctl( HANDLE handle, HANDLE event, PIO_APC_ROUTINE apc, void *apc
status = sock_poll( handle, event, apc, apc_user, io, in_buffer, in_size, out_buffer, out_size );
break;
case IOCTL_AFD_WINE_FIONREAD:
{
int value, ret;
if (out_size < sizeof(int))
{
status = STATUS_BUFFER_TOO_SMALL;
break;
}
if ((status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
return status;
#ifdef linux
{
socklen_t len = sizeof(value);
/* FIONREAD on a listening socket always fails (see tcp(7)). */
if (!getsockopt( fd, SOL_SOCKET, SO_ACCEPTCONN, &value, &len ) && value)
{
*(int *)out_buffer = 0;
status = STATUS_SUCCESS;
complete_async( handle, event, apc, apc_user, io, status, 0 );
break;
}
}
#endif
if ((ret = ioctl( fd, FIONREAD, &value )) < 0)
{
status = sock_errno_to_status( errno );
break;
}
*(int *)out_buffer = value;
status = STATUS_SUCCESS;
complete_async( handle, event, apc, apc_user, io, status, 0 );
break;
}
default:
{
if ((code >> 16) == FILE_DEVICE_NETWORK)

1
include/wine/afd.h
View File

@ -98,6 +98,7 @@ struct afd_poll_params
#define IOCTL_AFD_WINE_ADDRESS_LIST_CHANGE CTL_CODE(FILE_DEVICE_NETWORK, 208, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_AFD_WINE_FIONBIO CTL_CODE(FILE_DEVICE_NETWORK, 209, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_AFD_WINE_COMPLETE_ASYNC CTL_CODE(FILE_DEVICE_NETWORK, 210, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_AFD_WINE_FIONREAD CTL_CODE(FILE_DEVICE_NETWORK, 211, METHOD_BUFFERED, FILE_ANY_ACCESS)
struct afd_create_params
{