void uv_process_tcp_accept_req(uv_loop_t* loop, uv_tcp_t* handle,
uv_req_t* raw_req) {
uv_tcp_accept_t* req = (uv_tcp_accept_t*) raw_req;
assert(handle->type == UV_TCP);
/* If handle->accepted_socket is not a valid socket, then */
/* uv_queue_accept must have failed. This is a serious error. We stop */
/* accepting connections and report this error to the connection */
/* callback. */
if (req->accept_socket == INVALID_SOCKET) {
if (handle->flags & UV_HANDLE_LISTENING) {
handle->flags &= ~UV_HANDLE_LISTENING;
if (handle->connection_cb) {
uv__set_sys_error(loop, GET_REQ_SOCK_ERROR(req));
handle->connection_cb((uv_stream_t*)handle, -1);
}
}
} else if (REQ_SUCCESS(req) &&
setsockopt(req->accept_socket,
SOL_SOCKET,
SO_UPDATE_ACCEPT_CONTEXT,
(char*)&handle->socket,
sizeof(handle->socket)) == 0) {
req->next_pending = handle->pending_accepts;
handle->pending_accepts = req;
/* Accept and SO_UPDATE_ACCEPT_CONTEXT were successful. */
if (handle->connection_cb) {
handle->connection_cb((uv_stream_t*)handle, 0);
}
} else {
/* Error related to accepted socket is ignored because the server */
/* socket may still be healthy. If the server socket is broken
/* uv_queue_accept will detect it. */
closesocket(req->accept_socket);
req->accept_socket = INVALID_SOCKET;
if (handle->flags & UV_HANDLE_LISTENING) {
uv_tcp_queue_accept(handle, req);
}
}
DECREASE_PENDING_REQ_COUNT(handle);
}
void uv_process_tty_read_line_req(uv_loop_t* loop, uv_tty_t* handle,
uv_req_t* req) {
uv_buf_t buf;
assert(handle->type == UV_TTY);
buf = handle->read_line_buffer;
handle->flags &= ~UV_HANDLE_READ_PENDING;
handle->read_line_buffer = uv_null_buf_;
if (!REQ_SUCCESS(req)) {
/* Read was not successful */
if ((handle->flags & UV_HANDLE_READING) &&
!(handle->flags & UV_HANDLE_TTY_RAW)) {
/* Real error */
handle->flags &= ~UV_HANDLE_READING;
loop->last_error = GET_REQ_UV_ERROR(req);
handle->read_cb((uv_stream_t*) handle, -1, buf);
} else {
/* The read was cancelled, or whatever we don't care */
uv_set_sys_error(loop, WSAEWOULDBLOCK); /* maps to UV_EAGAIN */
handle->read_cb((uv_stream_t*) handle, 0, buf);
}
} else {
/* Read successful */
/* TODO: read unicode, convert to utf-8 */
DWORD bytes = req->overlapped.InternalHigh;
if (bytes == 0) {
uv_set_sys_error(loop, WSAEWOULDBLOCK); /* maps to UV_EAGAIN */
}
handle->read_cb((uv_stream_t*) handle, bytes, buf);
}
/* Wait for more input events. */
if ((handle->flags & UV_HANDLE_READING) &&
!(handle->flags & UV_HANDLE_READ_PENDING)) {
uv_tty_queue_read(loop, handle);
}
DECREASE_PENDING_REQ_COUNT(handle);
}
static void uv__slow_poll_process_poll_req(uv_loop_t* loop, uv_poll_t* handle,
uv_req_t* req) {
unsigned char mask_events;
int err;
if (req == &handle->poll_req_1) {
handle->submitted_events_1 = 0;
mask_events = handle->mask_events_1;
} else if (req == &handle->poll_req_2) {
handle->submitted_events_2 = 0;
mask_events = handle->mask_events_2;
} else {
assert(0);
return;
}
if (!REQ_SUCCESS(req)) {
/* Error. */
if (handle->events != 0) {
err = GET_REQ_ERROR(req);
handle->events = 0; /* Stop the watcher */
handle->poll_cb(handle, uv_translate_sys_error(err), 0);
}
} else {
/* Got some events. */
int events = req->u.io.overlapped.InternalHigh & handle->events & ~mask_events;
if (events != 0) {
handle->poll_cb(handle, 0, events);
}
}
if ((handle->events & ~(handle->submitted_events_1 |
handle->submitted_events_2)) != 0) {
uv__slow_poll_submit_poll_req(loop, handle);
} else if ((handle->flags & UV__HANDLE_CLOSING) &&
handle->submitted_events_1 == 0 &&
handle->submitted_events_2 == 0) {
uv_want_endgame(loop, (uv_handle_t*) handle);
}
}
void uv_process_pipe_write_req(uv_pipe_t* handle, uv_write_t* req) {
assert(handle->type == UV_NAMED_PIPE);
handle->write_queue_size -= req->queued_bytes;
if (req->cb) {
if (!REQ_SUCCESS(req)) {
LOOP->last_error = GET_REQ_UV_ERROR(req);
((uv_write_cb)req->cb)(req, -1);
} else {
((uv_write_cb)req->cb)(req, 0);
}
}
handle->write_reqs_pending--;
if (handle->write_reqs_pending == 0 &&
handle->flags & UV_HANDLE_SHUTTING) {
uv_want_endgame((uv_handle_t*)handle);
}
DECREASE_PENDING_REQ_COUNT(handle);
}
void uv_process_udp_send_req(uv_loop_t* loop, uv_udp_t* handle,
uv_udp_send_t* req) {
int err;
assert(handle->type == UV_UDP);
assert(handle->send_queue_size >= req->u.io.queued_bytes);
assert(handle->send_queue_count >= 1);
handle->send_queue_size -= req->u.io.queued_bytes;
handle->send_queue_count--;
UNREGISTER_HANDLE_REQ(loop, handle, req);
if (req->cb) {
err = 0;
if (!REQ_SUCCESS(req)) {
err = GET_REQ_SOCK_ERROR(req);
}
req->cb(req, uv_translate_sys_error(err));
}
DECREASE_PENDING_REQ_COUNT(handle);
}
void uv_process_tty_read_raw_req(uv_loop_t* loop, uv_tty_t* handle,
uv_req_t* req) {
/* Shortcut for handle->last_input_record.Event.KeyEvent. */
#define KEV handle->last_input_record.Event.KeyEvent
DWORD records_left, records_read;
uv_buf_t buf;
off_t buf_used;
assert(handle->type == UV_TTY);
handle->flags &= ~UV_HANDLE_READ_PENDING;
if (!(handle->flags & UV_HANDLE_READING) ||
!(handle->flags & UV_HANDLE_TTY_RAW)) {
goto out;
}
if (!REQ_SUCCESS(req)) {
/* An error occurred while waiting for the event. */
if ((handle->flags & UV_HANDLE_READING)) {
handle->flags &= ~UV_HANDLE_READING;
loop->last_error = GET_REQ_UV_ERROR(req);
handle->read_cb((uv_stream_t*)handle, -1, uv_null_buf_);
}
goto out;
}
/* Fetch the number of events */
if (!GetNumberOfConsoleInputEvents(handle->handle, &records_left)) {
handle->flags &= ~UV_HANDLE_READING;
uv_set_sys_error(loop, GetLastError());
handle->read_cb((uv_stream_t*)handle, -1, uv_null_buf_);
goto out;
}
/* Windows sends a lot of events that we're not interested in, so buf */
/* will be allocated on demand, when there's actually something to emit. */
buf = uv_null_buf_;
buf_used = 0;
while ((records_left > 0 || handle->last_key_len > 0) &&
(handle->flags & UV_HANDLE_READING)) {
if (handle->last_key_len == 0) {
/* Read the next input record */
if (!ReadConsoleInputW(handle->handle,
&handle->last_input_record,
1,
&records_read)) {
uv_set_sys_error(loop, GetLastError());
handle->flags &= ~UV_HANDLE_READING;
handle->read_cb((uv_stream_t*) handle, -1, buf);
goto out;
}
records_left--;
/* Ignore events that are not keyboard events */
if (handle->last_input_record.EventType != KEY_EVENT) {
continue;
}
/* Ignore keyup events, unless the left alt key was held and a valid */
/* unicode character was emitted. */
if (!KEV.bKeyDown && !(((KEV.dwControlKeyState & LEFT_ALT_PRESSED) ||
KEV.wVirtualKeyCode==VK_MENU) && KEV.uChar.UnicodeChar != 0)) {
continue;
}
/* Ignore keypresses to numpad number keys if the left alt is held */
/* because the user is composing a character, or windows simulating */
/* this. */
if ((KEV.dwControlKeyState & LEFT_ALT_PRESSED) &&
!(KEV.dwControlKeyState & ENHANCED_KEY) &&
(KEV.wVirtualKeyCode == VK_INSERT ||
KEV.wVirtualKeyCode == VK_END ||
KEV.wVirtualKeyCode == VK_DOWN ||
KEV.wVirtualKeyCode == VK_NEXT ||
KEV.wVirtualKeyCode == VK_LEFT ||
KEV.wVirtualKeyCode == VK_CLEAR ||
KEV.wVirtualKeyCode == VK_RIGHT ||
KEV.wVirtualKeyCode == VK_HOME ||
KEV.wVirtualKeyCode == VK_UP ||
KEV.wVirtualKeyCode == VK_PRIOR ||
KEV.wVirtualKeyCode == VK_NUMPAD0 ||
KEV.wVirtualKeyCode == VK_NUMPAD1 ||
KEV.wVirtualKeyCode == VK_NUMPAD2 ||
KEV.wVirtualKeyCode == VK_NUMPAD3 ||
KEV.wVirtualKeyCode == VK_NUMPAD4 ||
KEV.wVirtualKeyCode == VK_NUMPAD5 ||
KEV.wVirtualKeyCode == VK_NUMPAD6 ||
KEV.wVirtualKeyCode == VK_NUMPAD7 ||
KEV.wVirtualKeyCode == VK_NUMPAD8 ||
KEV.wVirtualKeyCode == VK_NUMPAD9)) {
continue;
}
if (KEV.uChar.UnicodeChar != 0) {
int prefix_len, char_len;
/* Character key pressed */
if (KEV.uChar.UnicodeChar >= 0xD800 &&
KEV.uChar.UnicodeChar < 0xDC00) {
/* UTF-16 high surrogate */
handle->last_utf16_high_surrogate = KEV.uChar.UnicodeChar;
continue;
}
/* Prefix with \u033 if alt was held, but alt was not used as part */
/* a compose sequence. */
if ((KEV.dwControlKeyState & (LEFT_ALT_PRESSED | RIGHT_ALT_PRESSED))
&& !(KEV.dwControlKeyState & (LEFT_CTRL_PRESSED |
RIGHT_CTRL_PRESSED)) && KEV.bKeyDown) {
handle->last_key[0] = '\033';
prefix_len = 1;
} else {
prefix_len = 0;
}
if (KEV.uChar.UnicodeChar >= 0xDC00 &&
KEV.uChar.UnicodeChar < 0xE000) {
/* UTF-16 surrogate pair */
WCHAR utf16_buffer[2] = { handle->last_utf16_high_surrogate,
KEV.uChar.UnicodeChar};
char_len = WideCharToMultiByte(CP_UTF8,
0,
utf16_buffer,
2,
&handle->last_key[prefix_len],
sizeof handle->last_key,
NULL,
NULL);
} else {
/* Single UTF-16 character */
char_len = WideCharToMultiByte(CP_UTF8,
0,
&KEV.uChar.UnicodeChar,
1,
&handle->last_key[prefix_len],
sizeof handle->last_key,
NULL,
NULL);
}
/* Whatever happened, the last character wasn't a high surrogate. */
handle->last_utf16_high_surrogate = 0;
/* If the utf16 character(s) couldn't be converted something must */
/* be wrong. */
if (!char_len) {
uv_set_sys_error(loop, GetLastError());
handle->flags &= ~UV_HANDLE_READING;
handle->read_cb((uv_stream_t*) handle, -1, buf);
goto out;
}
handle->last_key_len = (unsigned char) (prefix_len + char_len);
handle->last_key_offset = 0;
continue;
} else {
/* Function key pressed */
const char* vt100;
size_t prefix_len, vt100_len;
vt100 = get_vt100_fn_key(KEV.wVirtualKeyCode,
!!(KEV.dwControlKeyState & SHIFT_PRESSED),
!!(KEV.dwControlKeyState & (
LEFT_CTRL_PRESSED |
RIGHT_CTRL_PRESSED)),
&vt100_len);
/* If we were unable to map to a vt100 sequence, just ignore. */
if (!vt100) {
continue;
}
/* Prefix with \x033 when the alt key was held. */
if (KEV.dwControlKeyState & (LEFT_ALT_PRESSED | RIGHT_ALT_PRESSED)) {
handle->last_key[0] = '\033';
prefix_len = 1;
} else {
prefix_len = 0;
}
/* Copy the vt100 sequence to the handle buffer. */
assert(prefix_len + vt100_len < sizeof handle->last_key);
memcpy(&handle->last_key[prefix_len], vt100, vt100_len);
handle->last_key_len = (unsigned char) (prefix_len + vt100_len);
handle->last_key_offset = 0;
continue;
}
} else {
/* Copy any bytes left from the last keypress to the user buffer. */
if (handle->last_key_offset < handle->last_key_len) {
/* Allocate a buffer if needed */
if (buf_used == 0) {
buf = handle->alloc_cb((uv_handle_t*) handle, 1024);
}
buf.base[buf_used++] = handle->last_key[handle->last_key_offset++];
/* If the buffer is full, emit it */
if (buf_used == buf.len) {
handle->read_cb((uv_stream_t*) handle, buf_used, buf);
buf = uv_null_buf_;
buf_used = 0;
}
continue;
}
/* Apply dwRepeat from the last input record. */
if (--KEV.wRepeatCount > 0) {
handle->last_key_offset = 0;
continue;
}
handle->last_key_len = 0;
continue;
}
}
/* Send the buffer back to the user */
if (buf_used > 0) {
handle->read_cb((uv_stream_t*) handle, buf_used, buf);
}
out:
/* Wait for more input events. */
if ((handle->flags & UV_HANDLE_READING) &&
!(handle->flags & UV_HANDLE_READ_PENDING)) {
uv_tty_queue_read(loop, handle);
}
DECREASE_PENDING_REQ_COUNT(handle);
#undef KEV
}
void uv_process_tcp_read_req(uv_loop_t* loop, uv_tcp_t* handle,
uv_req_t* req) {
DWORD bytes, flags, err;
uv_buf_t buf;
assert(handle->type == UV_TCP);
handle->flags &= ~UV_HANDLE_READ_PENDING;
if (!REQ_SUCCESS(req)) {
/* An error occurred doing the read. */
if ((handle->flags & UV_HANDLE_READING) ||
!(handle->flags & UV_HANDLE_ZERO_READ)) {
handle->flags &= ~UV_HANDLE_READING;
DECREASE_ACTIVE_COUNT(loop, handle);
buf = (handle->flags & UV_HANDLE_ZERO_READ) ?
uv_buf_init(NULL, 0) : handle->read_buffer;
err = GET_REQ_SOCK_ERROR(req);
if (err == WSAECONNABORTED) {
/*
* Turn WSAECONNABORTED into UV_ECONNRESET to be consistent with Unix.
*/
err = WSAECONNRESET;
}
handle->read_cb((uv_stream_t*)handle,
uv_translate_sys_error(err),
&buf);
}
} else {
if (!(handle->flags & UV_HANDLE_ZERO_READ)) {
/* The read was done with a non-zero buffer length. */
if (req->overlapped.InternalHigh > 0) {
/* Successful read */
handle->read_cb((uv_stream_t*)handle,
req->overlapped.InternalHigh,
&handle->read_buffer);
/* Read again only if bytes == buf.len */
if (req->overlapped.InternalHigh < handle->read_buffer.len) {
goto done;
}
} else {
/* Connection closed */
if (handle->flags & UV_HANDLE_READING) {
handle->flags &= ~UV_HANDLE_READING;
DECREASE_ACTIVE_COUNT(loop, handle);
}
handle->flags &= ~UV_HANDLE_READABLE;
buf.base = 0;
buf.len = 0;
handle->read_cb((uv_stream_t*)handle, UV_EOF, &handle->read_buffer);
goto done;
}
}
/* Do nonblocking reads until the buffer is empty */
while (handle->flags & UV_HANDLE_READING) {
handle->alloc_cb((uv_handle_t*) handle, 65536, &buf);
if (buf.len == 0) {
handle->read_cb((uv_stream_t*) handle, UV_ENOBUFS, &buf);
break;
}
assert(buf.base != NULL);
flags = 0;
if (WSARecv(handle->socket,
(WSABUF*)&buf,
1,
&bytes,
&flags,
NULL,
NULL) != SOCKET_ERROR) {
if (bytes > 0) {
/* Successful read */
handle->read_cb((uv_stream_t*)handle, bytes, &buf);
/* Read again only if bytes == buf.len */
if (bytes < buf.len) {
break;
}
} else {
/* Connection closed */
handle->flags &= ~(UV_HANDLE_READING | UV_HANDLE_READABLE);
DECREASE_ACTIVE_COUNT(loop, handle);
handle->read_cb((uv_stream_t*)handle, UV_EOF, &buf);
break;
}
} else {
err = WSAGetLastError();
if (err == WSAEWOULDBLOCK) {
/* Read buffer was completely empty, report a 0-byte read. */
handle->read_cb((uv_stream_t*)handle, 0, &buf);
} else {
/* Ouch! serious error. */
handle->flags &= ~UV_HANDLE_READING;
DECREASE_ACTIVE_COUNT(loop, handle);
if (err == WSAECONNABORTED) {
/* Turn WSAECONNABORTED into UV_ECONNRESET to be consistent with */
/* Unix. */
err = WSAECONNRESET;
}
handle->read_cb((uv_stream_t*)handle,
uv_translate_sys_error(err),
&buf);
}
break;
}
}
done:
/* Post another read if still reading and not closing. */
if ((handle->flags & UV_HANDLE_READING) &&
!(handle->flags & UV_HANDLE_READ_PENDING)) {
uv_tcp_queue_read(loop, handle);
}
}
DECREASE_PENDING_REQ_COUNT(handle);
}
void uv_process_fs_event_req(uv_loop_t* loop, uv_req_t* req,
uv_fs_event_t* handle) {
FILE_NOTIFY_INFORMATION* file_info;
int err, sizew, size, result;
char* filename = NULL;
WCHAR* filenamew, *long_filenamew = NULL;
DWORD offset = 0;
assert(req->type == UV_FS_EVENT_REQ);
assert(handle->req_pending);
handle->req_pending = 0;
/* Don't report any callbacks if:
* - We're closing, just push the handle onto the endgame queue
* - We are not active, just ignore the callback
*/
if (!uv__is_active(handle)) {
if (handle->flags & UV__HANDLE_CLOSING) {
uv_want_endgame(loop, (uv_handle_t*) handle);
}
return;
}
file_info = (FILE_NOTIFY_INFORMATION*)(handle->buffer + offset);
if (REQ_SUCCESS(req)) {
if (req->u.io.overlapped.InternalHigh > 0) {
do {
file_info = (FILE_NOTIFY_INFORMATION*)((char*)file_info + offset);
assert(!filename);
assert(!long_filenamew);
/*
* Fire the event only if we were asked to watch a directory,
* or if the filename filter matches.
*/
if (handle->dirw ||
_wcsnicmp(handle->filew, file_info->FileName,
file_info->FileNameLength / sizeof(WCHAR)) == 0 ||
_wcsnicmp(handle->short_filew, file_info->FileName,
file_info->FileNameLength / sizeof(WCHAR)) == 0) {
if (handle->dirw) {
/*
* We attempt to resolve the long form of the file name explicitly.
* We only do this for file names that might still exist on disk.
* If this fails, we use the name given by ReadDirectoryChangesW.
* This may be the long form or the 8.3 short name in some cases.
*/
if (file_info->Action != FILE_ACTION_REMOVED &&
file_info->Action != FILE_ACTION_RENAMED_OLD_NAME) {
/* Construct a full path to the file. */
size = wcslen(handle->dirw) +
file_info->FileNameLength / sizeof(WCHAR) + 2;
filenamew = (WCHAR*)uv__malloc(size * sizeof(WCHAR));
if (!filenamew) {
uv_fatal_error(ERROR_OUTOFMEMORY, "uv__malloc");
}
_snwprintf(filenamew, size, L"%s\\%.*s", handle->dirw,
file_info->FileNameLength / sizeof(WCHAR),
file_info->FileName);
filenamew[size - 1] = L'\0';
/* Convert to long name. */
size = GetLongPathNameW(filenamew, NULL, 0);
if (size) {
long_filenamew = (WCHAR*)uv__malloc(size * sizeof(WCHAR));
if (!long_filenamew) {
uv_fatal_error(ERROR_OUTOFMEMORY, "uv__malloc");
}
size = GetLongPathNameW(filenamew, long_filenamew, size);
if (size) {
long_filenamew[size] = '\0';
} else {
uv__free(long_filenamew);
long_filenamew = NULL;
}
}
uv__free(filenamew);
if (long_filenamew) {
/* Get the file name out of the long path. */
result = uv_relative_path(long_filenamew,
handle->dirw,
&filenamew);
uv__free(long_filenamew);
if (result == 0) {
long_filenamew = filenamew;
sizew = -1;
} else {
long_filenamew = NULL;
}
}
/*
* We could not resolve the long form explicitly.
* We therefore use the name given by ReadDirectoryChangesW.
* This may be the long form or the 8.3 short name in some cases.
*/
if (!long_filenamew) {
filenamew = file_info->FileName;
sizew = file_info->FileNameLength / sizeof(WCHAR);
}
} else {
/*
* Removed or renamed events cannot be resolved to the long form.
* We therefore use the name given by ReadDirectoryChangesW.
* This may be the long form or the 8.3 short name in some cases.
*/
if (!long_filenamew) {
filenamew = file_info->FileName;
sizew = file_info->FileNameLength / sizeof(WCHAR);
}
}
} else {
/* We already have the long name of the file, so just use it. */
filenamew = handle->filew;
sizew = -1;
}
if (filenamew) {
/* Convert the filename to utf8. */
size = uv_utf16_to_utf8(filenamew,
sizew,
NULL,
0);
if (size) {
filename = (char*)uv__malloc(size + 1);
if (!filename) {
uv_fatal_error(ERROR_OUTOFMEMORY, "uv__malloc");
}
size = uv_utf16_to_utf8(filenamew,
sizew,
filename,
size);
if (size) {
filename[size] = '\0';
} else {
uv__free(filename);
filename = NULL;
}
}
}
switch (file_info->Action) {
case FILE_ACTION_ADDED:
case FILE_ACTION_REMOVED:
case FILE_ACTION_RENAMED_OLD_NAME:
case FILE_ACTION_RENAMED_NEW_NAME:
handle->cb(handle, filename, UV_RENAME, 0);
break;
case FILE_ACTION_MODIFIED:
handle->cb(handle, filename, UV_CHANGE, 0);
break;
}
uv__free(filename);
filename = NULL;
uv__free(long_filenamew);
long_filenamew = NULL;
}
offset = file_info->NextEntryOffset;
} while (offset && !(handle->flags & UV__HANDLE_CLOSING));
} else {
handle->cb(handle, NULL, UV_CHANGE, 0);
}
} else {
err = GET_REQ_ERROR(req);
handle->cb(handle, NULL, 0, uv_translate_sys_error(err));
}
if (!(handle->flags & UV__HANDLE_CLOSING)) {
uv_fs_event_queue_readdirchanges(loop, handle);
} else {
uv_want_endgame(loop, (uv_handle_t*)handle);
}
}
void uv_process_pipe_read_req(uv_loop_t* loop, uv_pipe_t* handle,
uv_req_t* req) {
DWORD bytes, avail;
uv_buf_t buf;
uv_ipc_frame_uv_stream ipc_frame;
assert(handle->type == UV_NAMED_PIPE);
handle->flags &= ~UV_HANDLE_READ_PENDING;
eof_timer_stop(handle);
if (!REQ_SUCCESS(req)) {
/* An error occurred doing the 0-read. */
if (handle->flags & UV_HANDLE_READING) {
uv_pipe_read_error_or_eof(loop,
handle,
GET_REQ_ERROR(req),
uv_null_buf_);
}
} else {
/* Do non-blocking reads until the buffer is empty */
while (handle->flags & UV_HANDLE_READING) {
if (!PeekNamedPipe(handle->handle,
NULL,
0,
NULL,
&avail,
NULL)) {
uv_pipe_read_error_or_eof(loop, handle, GetLastError(), uv_null_buf_);
break;
}
if (avail == 0) {
/* There is nothing to read after all. */
break;
}
if (handle->ipc) {
/* Use the IPC framing protocol to read the incoming data. */
if (handle->remaining_ipc_rawdata_bytes == 0) {
/* We're reading a new frame. First, read the header. */
assert(avail >= sizeof(ipc_frame.header));
if (!ReadFile(handle->handle,
&ipc_frame.header,
sizeof(ipc_frame.header),
&bytes,
NULL)) {
uv_pipe_read_error_or_eof(loop, handle, GetLastError(),
uv_null_buf_);
break;
}
assert(bytes == sizeof(ipc_frame.header));
assert(ipc_frame.header.flags <= (UV_IPC_TCP_SERVER | UV_IPC_RAW_DATA |
UV_IPC_TCP_CONNECTION));
if (ipc_frame.header.flags & UV_IPC_TCP_SERVER) {
assert(avail - sizeof(ipc_frame.header) >=
sizeof(ipc_frame.socket_info));
/* Read the TCP socket info. */
if (!ReadFile(handle->handle,
&ipc_frame.socket_info,
sizeof(ipc_frame) - sizeof(ipc_frame.header),
&bytes,
NULL)) {
uv_pipe_read_error_or_eof(loop, handle, GetLastError(),
uv_null_buf_);
break;
}
assert(bytes == sizeof(ipc_frame) - sizeof(ipc_frame.header));
/* Store the pending socket info. */
assert(!handle->pending_ipc_info.socket_info);
handle->pending_ipc_info.socket_info =
(WSAPROTOCOL_INFOW*)malloc(sizeof(*(handle->pending_ipc_info.socket_info)));
if (!handle->pending_ipc_info.socket_info) {
uv_fatal_error(ERROR_OUTOFMEMORY, "malloc");
}
*(handle->pending_ipc_info.socket_info) = ipc_frame.socket_info;
handle->pending_ipc_info.tcp_connection =
ipc_frame.header.flags & UV_IPC_TCP_CONNECTION;
}
if (ipc_frame.header.flags & UV_IPC_RAW_DATA) {
handle->remaining_ipc_rawdata_bytes =
ipc_frame.header.raw_data_length;
continue;
}
} else {
avail = min(avail, (DWORD)handle->remaining_ipc_rawdata_bytes);
}
}
buf = handle->alloc_cb((uv_handle_t*) handle, avail);
assert(buf.len > 0);
if (ReadFile(handle->handle,
buf.base,
buf.len,
&bytes,
NULL)) {
/* Successful read */
if (handle->ipc) {
assert(handle->remaining_ipc_rawdata_bytes >= bytes);
handle->remaining_ipc_rawdata_bytes =
handle->remaining_ipc_rawdata_bytes - bytes;
if (handle->read2_cb) {
handle->read2_cb(handle, bytes, buf,
handle->pending_ipc_info.socket_info ? UV_TCP : UV_UNKNOWN_HANDLE);
} else if (handle->read_cb) {
handle->read_cb((uv_stream_t*)handle, bytes, buf);
}
if (handle->pending_ipc_info.socket_info) {
free(handle->pending_ipc_info.socket_info);
handle->pending_ipc_info.socket_info = NULL;
}
} else {
handle->read_cb((uv_stream_t*)handle, bytes, buf);
}
/* Read again only if bytes == buf.len */
if (bytes <= buf.len) {
break;
}
} else {
uv_pipe_read_error_or_eof(loop, handle, GetLastError(), uv_null_buf_);
break;
}
}
/* Post another 0-read if still reading and not closing. */
if ((handle->flags & UV_HANDLE_READING) &&
!(handle->flags & UV_HANDLE_READ_PENDING)) {
uv_pipe_queue_read(loop, handle);
}
}
DECREASE_PENDING_REQ_COUNT(handle);
}
void uv_process_tcp_read_req(uv_loop_t* loop, uv_tcp_t* handle,
uv_req_t* req) {
DWORD bytes, flags, err;
uv_buf_t buf;
assert(handle->type == UV_TCP);
handle->flags &= ~UV_HANDLE_READ_PENDING;
if (!REQ_SUCCESS(req)) {
/* An error occurred doing the read. */
if ((handle->flags & UV_HANDLE_READING)) {
handle->flags &= ~UV_HANDLE_READING;
uv__set_sys_error(loop, GET_REQ_SOCK_ERROR(req));
buf = (handle->flags & UV_HANDLE_ZERO_READ) ?
uv_buf_init(NULL, 0) : handle->read_buffer;
handle->read_cb((uv_stream_t*)handle, -1, buf);
}
} else {
if (!(handle->flags & UV_HANDLE_ZERO_READ)) {
/* The read was done with a non-zero buffer length. */
if (req->overlapped.InternalHigh > 0) {
/* Successful read */
handle->read_cb((uv_stream_t*)handle,
req->overlapped.InternalHigh,
handle->read_buffer);
/* Read again only if bytes == buf.len */
if (req->overlapped.InternalHigh < handle->read_buffer.len) {
goto done;
}
} else {
/* Connection closed */
handle->flags &= ~UV_HANDLE_READING;
handle->flags |= UV_HANDLE_EOF;
uv__set_error(loop, UV_EOF, ERROR_SUCCESS);
buf.base = 0;
buf.len = 0;
handle->read_cb((uv_stream_t*)handle, -1, handle->read_buffer);
goto done;
}
}
/* Do nonblocking reads until the buffer is empty */
while (handle->flags & UV_HANDLE_READING) {
buf = handle->alloc_cb((uv_handle_t*) handle, 65536);
assert(buf.len > 0);
flags = 0;
if (WSARecv(handle->socket,
(WSABUF*)&buf,
1,
&bytes,
&flags,
NULL,
NULL) != SOCKET_ERROR) {
if (bytes > 0) {
/* Successful read */
handle->read_cb((uv_stream_t*)handle, bytes, buf);
/* Read again only if bytes == buf.len */
if (bytes < buf.len) {
break;
}
} else {
/* Connection closed */
handle->flags &= ~UV_HANDLE_READING;
handle->flags |= UV_HANDLE_EOF;
uv__set_error(loop, UV_EOF, ERROR_SUCCESS);
handle->read_cb((uv_stream_t*)handle, -1, buf);
break;
}
} else {
err = WSAGetLastError();
if (err == WSAEWOULDBLOCK) {
/* Read buffer was completely empty, report a 0-byte read. */
uv__set_sys_error(loop, WSAEWOULDBLOCK);
handle->read_cb((uv_stream_t*)handle, 0, buf);
} else {
/* Ouch! serious error. */
uv__set_sys_error(loop, err);
handle->flags &= ~UV_HANDLE_READING;
handle->read_cb((uv_stream_t*)handle, -1, buf);
}
break;
}
}
done:
/* Post another read if still reading and not closing. */
if ((handle->flags & UV_HANDLE_READING) &&
!(handle->flags & UV_HANDLE_READ_PENDING)) {
uv_tcp_queue_read(loop, handle);
}
}
DECREASE_PENDING_REQ_COUNT(handle);
}
static void uv__fast_poll_process_poll_req(uv_loop_t* loop, uv_poll_t* handle,
uv_req_t* req) {
unsigned char mask_events;
AFD_POLL_INFO* afd_poll_info;
if (req == &handle->poll_req_1) {
afd_poll_info = &handle->afd_poll_info_1;
handle->submitted_events_1 = 0;
mask_events = handle->mask_events_1;
} else if (req == &handle->poll_req_2) {
afd_poll_info = &handle->afd_poll_info_2;
handle->submitted_events_2 = 0;
mask_events = handle->mask_events_2;
} else {
assert(0);
return;
}
/* Report an error unless the select was just interrupted. */
if (!REQ_SUCCESS(req)) {
DWORD error = GET_REQ_SOCK_ERROR(req);
if (error != WSAEINTR && handle->events != 0) {
handle->events = 0; /* Stop the watcher */
handle->poll_cb(handle, uv_translate_sys_error(error), 0);
}
} else if (afd_poll_info->NumberOfHandles >= 1) {
unsigned char events = 0;
if ((afd_poll_info->Handles[0].Events & (AFD_POLL_RECEIVE |
AFD_POLL_DISCONNECT | AFD_POLL_ACCEPT | AFD_POLL_ABORT)) != 0) {
events |= UV_READABLE;
}
if ((afd_poll_info->Handles[0].Events & (AFD_POLL_SEND |
AFD_POLL_CONNECT_FAIL)) != 0) {
events |= UV_WRITABLE;
}
events &= handle->events & ~mask_events;
if (afd_poll_info->Handles[0].Events & AFD_POLL_LOCAL_CLOSE) {
/* Stop polling. */
handle->events = 0;
if (uv__is_active(handle))
uv__handle_stop(handle);
}
if (events != 0) {
handle->poll_cb(handle, 0, events);
}
}
if ((handle->events & ~(handle->submitted_events_1 |
handle->submitted_events_2)) != 0) {
uv__fast_poll_submit_poll_req(loop, handle);
} else if ((handle->flags & UV__HANDLE_CLOSING) &&
handle->submitted_events_1 == 0 &&
handle->submitted_events_2 == 0) {
uv_want_endgame(loop, (uv_handle_t*) handle);
}
}
void uv_process_udp_recv_req(uv_loop_t* loop, uv_udp_t* handle,
uv_req_t* req) {
uv_buf_t buf;
int partial;
assert(handle->type == UV_UDP);
handle->flags &= ~UV_HANDLE_READ_PENDING;
if (!REQ_SUCCESS(req) &&
GET_REQ_STATUS(req) != STATUS_RECEIVE_EXPEDITED) {
/* An error occurred doing the read. */
if ((handle->flags & UV_HANDLE_READING)) {
uv__set_sys_error(loop, GET_REQ_SOCK_ERROR(req));
uv_udp_recv_stop(handle);
#if 0
buf = (handle->flags & UV_HANDLE_ZERO_READ) ?
uv_buf_init(NULL, 0) : handle->recv_buffer;
#else
buf = handle->recv_buffer;
#endif
handle->recv_cb(handle, -1, buf, NULL, 0);
}
goto done;
}
#if 0
if (!(handle->flags & UV_HANDLE_ZERO_READ)) {
#endif
/* Successful read */
partial = (GET_REQ_STATUS(req) == STATUS_RECEIVE_EXPEDITED);
handle->recv_cb(handle,
req->overlapped.InternalHigh,
handle->recv_buffer,
(struct sockaddr*) &handle->recv_from,
partial ? UV_UDP_PARTIAL : 0);
#if 0
} else {
DWORD bytes, err, flags;
struct sockaddr_storage from;
int from_len;
/* Do a nonblocking receive */
/* TODO: try to read multiple datagrams at once. FIONREAD maybe? */
buf = handle->alloc_cb((uv_handle_t*) handle, 65536);
assert(buf.len > 0);
memset(&from, 0, sizeof from);
from_len = sizeof from;
flags = MSG_PARTIAL;
if (WSARecvFrom(handle->socket,
(WSABUF*)&buf,
1,
&bytes,
&flags,
(struct sockaddr*) &from,
&from_len,
NULL,
NULL) != SOCKET_ERROR) {
/* Message received */
handle->recv_cb(handle,
bytes,
buf,
(struct sockaddr*) &from,
(flags & MSG_PARTIAL) ? UV_UDP_PARTIAL : 0);
} else {
err = WSAGetLastError();
if (err == WSAEWOULDBLOCK) {
uv__set_sys_error(loop, WSAEWOULDBLOCK);
handle->recv_cb(handle, 0, buf, NULL, 0);
} else {
/* Ouch! serious error. */
uv__set_sys_error(loop, err);
handle->recv_cb(handle, -1, buf, NULL, 0);
}
}
}
#endif
done:
/* Post another read if still reading and not closing. */
if ((handle->flags & UV_HANDLE_READING) &&
!(handle->flags & UV_HANDLE_READ_PENDING)) {
uv_udp_queue_recv(loop, handle);
}
DECREASE_PENDING_REQ_COUNT(handle);
}
void uv_process_fs_event_req(uv_loop_t* loop, uv_req_t* req,
uv_fs_event_t* handle) {
FILE_NOTIFY_INFORMATION* file_info;
int sizew, size, result;
char* filename = NULL;
wchar_t* filenamew, *long_filenamew = NULL;
DWORD offset = 0;
assert(req->type == UV_FS_EVENT_REQ);
assert(handle->req_pending);
handle->req_pending = 0;
/* If we're closing, don't report any callbacks, and just push the handle */
/* onto the endgame queue. */
if (handle->flags & UV_HANDLE_CLOSING) {
uv_want_endgame(loop, (uv_handle_t*) handle);
return;
};
file_info = (FILE_NOTIFY_INFORMATION*)(handle->buffer + offset);
if (REQ_SUCCESS(req)) {
if (req->overlapped.InternalHigh > 0) {
do {
file_info = (FILE_NOTIFY_INFORMATION*)((char*)file_info + offset);
assert(!filename);
assert(!long_filenamew);
/*
* Fire the event only if we were asked to watch a directory,
* or if the filename filter matches.
*/
if (handle->dirw ||
_wcsnicmp(handle->filew, file_info->FileName,
file_info->FileNameLength / sizeof(wchar_t)) == 0 ||
_wcsnicmp(handle->short_filew, file_info->FileName,
file_info->FileNameLength / sizeof(wchar_t)) == 0) {
if (handle->dirw) {
/*
* We attempt to convert the file name to its long form for
* events that still point to valid files on disk.
* For removed and renamed events, we do not provide the file name.
*/
if (file_info->Action != FILE_ACTION_REMOVED &&
file_info->Action != FILE_ACTION_RENAMED_OLD_NAME) {
/* Construct a full path to the file. */
size = wcslen(handle->dirw) +
file_info->FileNameLength / sizeof(wchar_t) + 2;
filenamew = (wchar_t*)malloc(size * sizeof(wchar_t));
if (!filenamew) {
uv_fatal_error(ERROR_OUTOFMEMORY, "malloc");
}
_snwprintf(filenamew, size, L"%s\\%s", handle->dirw,
file_info->FileName);
filenamew[size - 1] = L'\0';
/* Convert to long name. */
size = GetLongPathNameW(filenamew, NULL, 0);
if (size) {
long_filenamew = (wchar_t*)malloc(size * sizeof(wchar_t));
if (!long_filenamew) {
uv_fatal_error(ERROR_OUTOFMEMORY, "malloc");
}
size = GetLongPathNameW(filenamew, long_filenamew, size);
if (size) {
long_filenamew[size] = '\0';
} else {
free(long_filenamew);
long_filenamew = NULL;
}
}
free(filenamew);
if (long_filenamew) {
/* Get the file name out of the long path. */
result = uv_split_path(long_filenamew, NULL, &filenamew);
free(long_filenamew);
if (result == 0) {
long_filenamew = filenamew;
sizew = -1;
} else {
long_filenamew = NULL;
}
}
/*
* If we couldn't get the long name - just use the name
* provided by ReadDirectoryChangesW.
*/
if (!long_filenamew) {
filenamew = file_info->FileName;
sizew = file_info->FileNameLength / sizeof(wchar_t);
}
} else {
/* Removed or renamed callbacks don't provide filename. */
filenamew = NULL;
}
} else {
/* We already have the long name of the file, so just use it. */
filenamew = handle->filew;
sizew = -1;
}
if (filenamew) {
/* Convert the filename to utf8. */
size = uv_utf16_to_utf8(filenamew,
sizew,
NULL,
0);
if (size) {
filename = (char*)malloc(size + 1);
if (!filename) {
uv_fatal_error(ERROR_OUTOFMEMORY, "malloc");
}
size = uv_utf16_to_utf8(filenamew,
sizew,
filename,
size);
if (size) {
filename[size] = '\0';
} else {
free(filename);
filename = NULL;
}
}
}
switch (file_info->Action) {
case FILE_ACTION_ADDED:
case FILE_ACTION_REMOVED:
case FILE_ACTION_RENAMED_OLD_NAME:
case FILE_ACTION_RENAMED_NEW_NAME:
handle->cb(handle, filename, UV_RENAME, 0);
break;
case FILE_ACTION_MODIFIED:
handle->cb(handle, filename, UV_CHANGE, 0);
break;
}
free(filename);
filename = NULL;
free(long_filenamew);
long_filenamew = NULL;
}
offset = file_info->NextEntryOffset;
} while (offset && !(handle->flags & UV_HANDLE_CLOSING));
} else {
handle->cb(handle, NULL, UV_CHANGE, 0);
}
} else {
uv__set_sys_error(loop, GET_REQ_ERROR(req));
handle->cb(handle, NULL, 0, -1);
}
if (!(handle->flags & UV_HANDLE_CLOSING)) {
uv_fs_event_queue_readdirchanges(loop, handle);
} else {
uv_want_endgame(loop, (uv_handle_t*)handle);
}
}
void uv_process_pipe_read_req(uv_pipe_t* handle, uv_req_t* req) {
DWORD bytes, avail;
uv_buf_t buf;
assert(handle->type == UV_NAMED_PIPE);
handle->flags &= ~UV_HANDLE_READ_PENDING;
eof_timer_stop(handle);
if (!REQ_SUCCESS(req)) {
/* An error occurred doing the 0-read. */
if (handle->flags & UV_HANDLE_READING) {
uv_pipe_read_error_or_eof(handle, GET_REQ_ERROR(req), uv_null_buf_);
}
} else {
/* Do non-blocking reads until the buffer is empty */
while (handle->flags & UV_HANDLE_READING) {
if (!PeekNamedPipe(handle->handle,
NULL,
0,
NULL,
&avail,
NULL)) {
uv_pipe_read_error_or_eof(handle, GetLastError(), uv_null_buf_);
break;
}
if (avail == 0) {
/* There is nothing to read after all. */
break;
}
buf = handle->alloc_cb((uv_handle_t*) handle, avail);
assert(buf.len > 0);
if (ReadFile(handle->handle,
buf.base,
buf.len,
&bytes,
NULL)) {
/* Successful read */
handle->read_cb((uv_stream_t*)handle, bytes, buf);
/* Read again only if bytes == buf.len */
if (bytes <= buf.len) {
break;
}
} else {
uv_pipe_read_error_or_eof(handle, GetLastError(), uv_null_buf_);
break;
}
}
/* Post another 0-read if still reading and not closing. */
if ((handle->flags & UV_HANDLE_READING) &&
!(handle->flags & UV_HANDLE_READ_PENDING)) {
uv_pipe_queue_read(handle);
}
}
DECREASE_PENDING_REQ_COUNT(handle);
}
void uv_process_fs_event_req(uv_loop_t* loop, uv_req_t* req,
uv_fs_event_t* handle) {
FILE_NOTIFY_INFORMATION* file_info;
char* filename = NULL;
int utf8size;
DWORD offset = 0;
assert(req->type == UV_FS_EVENT_REQ);
assert(handle->req_pending);
handle->req_pending = 0;
file_info = (FILE_NOTIFY_INFORMATION*)(handle->buffer + offset);
if (REQ_SUCCESS(req)) {
if (req->overlapped.InternalHigh > 0) {
do {
file_info = (FILE_NOTIFY_INFORMATION*)((char*)file_info + offset);
/*
* Fire the event only if we were asked to watch a directory,
* or if the filename filter matches.
*/
if (handle->is_path_dir ||
_wcsnicmp(handle->filew, file_info->FileName,
file_info->FileNameLength / sizeof(wchar_t)) == 0 ||
_wcsnicmp(handle->short_filew, file_info->FileName,
file_info->FileNameLength / sizeof(wchar_t)) == 0) {
/* Convert the filename to utf8. */
utf8size = uv_utf16_to_utf8(file_info->FileName,
file_info->FileNameLength /
sizeof(wchar_t),
NULL,
0);
if (utf8size) {
filename = (char*)malloc(utf8size + 1);
if (!filename) {
uv_fatal_error(ERROR_OUTOFMEMORY, "malloc");
}
utf8size = uv_utf16_to_utf8(file_info->FileName,
file_info->FileNameLength /
sizeof(wchar_t),
filename,
utf8size);
if (utf8size) {
filename[utf8size] = '\0';
} else {
free(filename);
filename = NULL;
}
}
switch (file_info->Action) {
case FILE_ACTION_ADDED:
case FILE_ACTION_REMOVED:
case FILE_ACTION_RENAMED_OLD_NAME:
case FILE_ACTION_RENAMED_NEW_NAME:
handle->cb(handle, filename, UV_RENAME, 0);
break;
case FILE_ACTION_MODIFIED:
handle->cb(handle, filename, UV_CHANGE, 0);
break;
}
free(filename);
filename = NULL;
}
offset = file_info->NextEntryOffset;
} while(offset);
} else {
if (!(handle->flags & UV_HANDLE_CLOSING)) {
handle->cb(handle, NULL, UV_CHANGE, 0);
}
}
} else {
uv__set_sys_error(loop, GET_REQ_ERROR(req));
handle->cb(handle, NULL, 0, -1);
}
if (!(handle->flags & UV_HANDLE_CLOSING)) {
uv_fs_event_queue_readdirchanges(loop, handle);
} else {
uv_want_endgame(loop, (uv_handle_t*)handle);
}
}
void uv_process_udp_recv_req(uv_loop_t* loop, uv_udp_t* handle,
uv_req_t* req) {
uv_buf_t buf;
int partial;
assert(handle->type == UV_UDP);
handle->flags &= ~UV_HANDLE_READ_PENDING;
if (!REQ_SUCCESS(req)) {
DWORD err = GET_REQ_SOCK_ERROR(req);
if (err == WSAEMSGSIZE) {
/* Not a real error, it just indicates that the received packet */
/* was bigger than the receive buffer. */
} else if (err == WSAECONNRESET || err == WSAENETRESET) {
/* A previous sendto operation failed; ignore this error. If */
/* zero-reading we need to call WSARecv/WSARecvFrom _without_ the */
/* MSG_PEEK flag to clear out the error queue. For nonzero reads, */
/* immediately queue a new receive. */
if (!(handle->flags & UV_HANDLE_ZERO_READ)) {
goto done;
}
} else {
/* A real error occurred. Report the error to the user only if we're */
/* currently reading. */
if (handle->flags & UV_HANDLE_READING) {
uv__set_sys_error(loop, err);
uv_udp_recv_stop(handle);
buf = (handle->flags & UV_HANDLE_ZERO_READ) ?
uv_buf_init(NULL, 0) : handle->recv_buffer;
handle->recv_cb(handle, -1, buf, NULL, 0);
}
goto done;
}
}
if (!(handle->flags & UV_HANDLE_ZERO_READ)) {
/* Successful read */
partial = !REQ_SUCCESS(req);
handle->recv_cb(handle,
req->overlapped.InternalHigh,
handle->recv_buffer,
(struct sockaddr*) &handle->recv_from,
partial ? UV_UDP_PARTIAL : 0);
} else if (handle->flags & UV_HANDLE_READING) {
DWORD bytes, err, flags;
struct sockaddr_storage from;
int from_len;
/* Do a nonblocking receive */
/* TODO: try to read multiple datagrams at once. FIONREAD maybe? */
buf = handle->alloc_cb((uv_handle_t*) handle, 65536);
assert(buf.len > 0);
memset(&from, 0, sizeof from);
from_len = sizeof from;
flags = 0;
if (WSARecvFrom(handle->socket,
(WSABUF*)&buf,
1,
&bytes,
&flags,
(struct sockaddr*) &from,
&from_len,
NULL,
NULL) != SOCKET_ERROR) {
/* Message received */
handle->recv_cb(handle, bytes, buf, (struct sockaddr*) &from, 0);
} else {
err = WSAGetLastError();
if (err == WSAEMSGSIZE) {
/* Message truncated */
handle->recv_cb(handle,
bytes,
buf,
(struct sockaddr*) &from,
UV_UDP_PARTIAL);
} if (err == WSAEWOULDBLOCK) {
/* Kernel buffer empty */
uv__set_sys_error(loop, WSAEWOULDBLOCK);
handle->recv_cb(handle, 0, buf, NULL, 0);
} else if (err != WSAECONNRESET && err != WSAENETRESET) {
/* Serious error. WSAECONNRESET/WSANETRESET is ignored because this */
/* just indicates that a previous sendto operation failed. */
uv_udp_recv_stop(handle);
uv__set_sys_error(loop, err);
handle->recv_cb(handle, -1, buf, NULL, 0);
}
}
}
done:
/* Post another read if still reading and not closing. */
if ((handle->flags & UV_HANDLE_READING) &&
!(handle->flags & UV_HANDLE_READ_PENDING)) {
uv_udp_queue_recv(loop, handle);
}
DECREASE_PENDING_REQ_COUNT(handle);
}
VOID x11clipboard_handle_commands(struct x11_staticdata *xsd)
{
struct Message *msg;
if (xsd->hostclipboardmsg) return;
D(bug("X11CLIPBOARD: handle_commands\n"));
while((msg = GetMsg(xsd->hostclipboardmp)))
{
char cmd = REQ_CMD(msg);
BOOL async = FALSE;
REQ_SUCCESS(msg) = FALSE;
if (cmd == 'R')
{
D(bug("X11CLIPBOARD: handle_commands - READ\n"));
if ((xsd->hostclipboard_readstate == HOSTCLIPBOARDSTATE_IDLE))
{
LOCK_X11
XCALL(XConvertSelection, xsd->display,
xsd->clipboard_atom,
XA_STRING,
xsd->clipboard_property_atom,
xsd->dummy_window_for_creating_pixmaps,
CurrentTime);
UNLOCK_X11
xsd->hostclipboard_readstate = HOSTCLIPBOARDSTATE_READ;
async = TRUE;
}
}
else if (cmd == 'W')
{
unsigned char *srcbuffer = (unsigned char *)REQ_PARAM(msg);
ULONG size = strlen(srcbuffer);
unsigned char *newbuffer;
D(bug("X11CLIPBOARD: handle_commands: WRITE\n"));
newbuffer = AllocVec(size, MEMF_ANY);
if (newbuffer)
{
memcpy(newbuffer, srcbuffer, size);
if (xsd->hostclipboard_writebuffer)
{
FreeVec(xsd->hostclipboard_writebuffer);
}
xsd->hostclipboard_writebuffer = newbuffer;
xsd->hostclipboard_writebuffer_size = size;
LOCK_X11
XCALL(XSetSelectionOwner, xsd->display, xsd->clipboard_atom,
xsd->dummy_window_for_creating_pixmaps, xsd->x_time);
UNLOCK_X11
REQ_SUCCESS(msg) = TRUE;
REQ_RETVAL(msg) = NULL;
}
else
{
REQ_SUCCESS(msg) = FALSE;
REQ_RETVAL(msg) = NULL;
}
}
if (async)
{
xsd->hostclipboardmsg = msg;
break;
}
ReplyMsg(msg);
}
}
