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dinput: Check for ReadFile errors and return DIERR_INPUTLOST. 

Signed-off-by: Rémi Bernon <rbernon@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Rémi Bernon 2021-10-08 15:36:03 +02:00 committed by Alexandre Julliard
parent c93813e11f
commit 022076532f
1 changed files with 43 additions and 14 deletions
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57
dlls/dinput/joystick_hid.c
View File

@ -937,6 +937,7 @@ static HRESULT WINAPI hid_joystick_Acquire( IDirectInputDevice8W *iface )
struct hid_joystick *impl = impl_from_IDirectInputDevice8W( iface );
ULONG report_len = impl->caps.InputReportByteLength;
HRESULT hr = DI_OK;
BOOL ret;
TRACE( "iface %p.\n", iface );
@ -947,15 +948,29 @@ static HRESULT WINAPI hid_joystick_Acquire( IDirectInputDevice8W *iface )
hr = DIERR_INVALIDPARAM;
else if ((impl->base.dwCoopLevel & DISCL_FOREGROUND) && impl->base.win != GetForegroundWindow())
hr = DIERR_OTHERAPPHASPRIO;
else
else if (impl->device == INVALID_HANDLE_VALUE)
{
impl->device = CreateFileW( impl->device_path, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL, OPEN_EXISTING, FILE_FLAG_OVERLAPPED | FILE_FLAG_NO_BUFFERING, 0 );
if (impl->device == INVALID_HANDLE_VALUE) hr = DIERR_INPUTLOST;
}
if (hr == DI_OK)
{
memset( &impl->read_ovl, 0, sizeof(impl->read_ovl) );
impl->read_ovl.hEvent = impl->base.read_event;
if (ReadFile( impl->device, impl->input_report_buf, report_len, NULL, &impl->read_ovl ))
impl->base.read_callback( iface );
impl->base.acquired = TRUE;
IDirectInputDevice8_SendForceFeedbackCommand( iface, DISFFC_RESET );
ret = ReadFile( impl->device, impl->input_report_buf, report_len, NULL, &impl->read_ovl );
if (!ret && GetLastError() != ERROR_IO_PENDING)
{
CloseHandle( impl->device );
impl->device = INVALID_HANDLE_VALUE;
hr = DIERR_INPUTLOST;
}
else
{
impl->base.acquired = TRUE;
IDirectInputDevice8_SendForceFeedbackCommand( iface, DISFFC_RESET );
}
}
LeaveCriticalSection( &impl->base.crit );
if (hr != DI_OK) return hr;
@ -978,9 +993,12 @@ static HRESULT WINAPI hid_joystick_Unacquire( IDirectInputDevice8W *iface )
if (!impl->base.acquired) hr = DI_NOEFFECT;
else
{
ret = CancelIoEx( impl->device, &impl->read_ovl );
if (!ret) WARN( "CancelIoEx failed, last error %u\n", GetLastError() );
else WaitForSingleObject( impl->base.read_event, INFINITE );
if (impl->device != INVALID_HANDLE_VALUE)
{
ret = CancelIoEx( impl->device, &impl->read_ovl );
if (!ret) WARN( "CancelIoEx failed, last error %u\n", GetLastError() );
else WaitForSingleObject( impl->base.read_event, INFINITE );
}
IDirectInputDevice8_SendForceFeedbackCommand( iface, DISFFC_RESET );
impl->base.acquired = FALSE;
}
@ -1583,11 +1601,11 @@ static HRESULT hid_joystick_read_state( IDirectInputDevice8W *iface )
char *report_buf = impl->input_report_buf;
USAGE_AND_PAGE *usages;
NTSTATUS status;
HRESULT hr;
BOOL ret;
ret = GetOverlappedResult( impl->device, &impl->read_ovl, &count, FALSE );
if (!ret) WARN( "ReadFile failed, error %u\n", GetLastError() );
else if (TRACE_ON(dinput))
if (ret && TRACE_ON(dinput))
{
TRACE( "read size %u report:\n", count );
for (i = 0; i < report_len;)
@ -1603,7 +1621,7 @@ static HRESULT hid_joystick_read_state( IDirectInputDevice8W *iface )
}
EnterCriticalSection( &impl->base.crit );
do
while (ret)
{
count = impl->usages_count;
memset( impl->usages_buf, 0, count * sizeof(*impl->usages_buf) );
@ -1637,10 +1655,21 @@ static HRESULT hid_joystick_read_state( IDirectInputDevice8W *iface )
memset( &impl->read_ovl, 0, sizeof(impl->read_ovl) );
impl->read_ovl.hEvent = impl->base.read_event;
} while (ReadFile( impl->device, report_buf, report_len, &count, &impl->read_ovl ));
ret = ReadFile( impl->device, report_buf, report_len, &count, &impl->read_ovl );
}
if (GetLastError() == ERROR_IO_PENDING || GetLastError() == ERROR_OPERATION_ABORTED) hr = DI_OK;
else
{
WARN( "GetOverlappedResult/ReadFile failed, error %u\n", GetLastError() );
CloseHandle(impl->device);
impl->device = INVALID_HANDLE_VALUE;
impl->base.acquired = FALSE;
hr = DIERR_INPUTLOST;
}
LeaveCriticalSection( &impl->base.crit );
return DI_OK;
return hr;
}
static DWORD device_type_for_version( DWORD type, DWORD version )