#define BUFFER_SIZE 4096
typedef enum {
- G_IO_WINDOWS_MESSAGES, /* Windows messages */
- G_IO_FILE_DESC, /* Unix-like file descriptors from
+ G_IO_WIN32_WINDOWS_MESSAGES, /* Windows messages */
+ G_IO_WIN32_FILE_DESC, /* Unix-like file descriptors from
* _open() or _pipe(). Read with read().
* Have to create separate thread to read.
*/
- G_IO_STREAM_SOCKET /* Stream sockets. Similar as fds, but
- * read with recv().
+ G_IO_WIN32_SOCKET /* Sockets. A separate thread is blocked
+ * in select() most of the time.
*/
} GIOWin32ChannelType;
gboolean debug;
- /* This is used by G_IO_WINDOWS_MESSAGES channels */
+ CRITICAL_SECTION mutex;
+
+ /* This is used by G_IO_WIN32_WINDOWS_MESSAGES channels */
HWND hwnd; /* handle of window, or NULL */
- /* Following fields used by fd and socket channels for input */
+ /* Following fields are used by both fd and socket channels. */
+ gboolean running; /* Is reader thread running. FALSE if
+ * EOF has been reached.
+ */
+ gboolean needs_close; /* If the channel has been closed while
+ * the reader thread was still running.
+ */
+ guint thread_id; /* If non-NULL has a reader thread, or has
+ * had.*/
+ HANDLE thread_handle;
+ HANDLE data_avail_event;
+
+ gushort revents;
+
+ /* Following fields used by fd channels for input */
/* Data is kept in a circular buffer. To be able to distinguish between
* empty and full buffer, we cannot fill it completely, but have to
*/
guchar *buffer; /* (Circular) buffer */
gint wrp, rdp; /* Buffer indices for writing and reading */
- gboolean running; /* Is reader thread running. FALSE if
- * EOF has been reached.
- */
- guint thread_id; /* If non-NULL has a reader thread, or has
- * had.*/
- HANDLE data_avail_event;
HANDLE space_avail_event;
- CRITICAL_SECTION mutex;
-
- /* Function that actually reads from fd */
- int (*reader) (int fd, guchar *buf, int len);
+
+ /* Following fields used by socket channels */
+ GSList *watches;
+ HANDLE data_avail_noticed_event;
};
#define LOCK(mutex) EnterCriticalSection (&mutex)
#define UNLOCK(mutex) LeaveCriticalSection (&mutex)
struct _GIOWin32Watch {
+ GSource source;
GPollFD pollfd;
GIOChannel *channel;
GIOCondition condition;
#endif
channel->buffer = NULL;
channel->running = FALSE;
+ channel->needs_close = FALSE;
channel->thread_id = 0;
channel->data_avail_event = NULL;
+ channel->revents = 0;
channel->space_avail_event = NULL;
+ channel->data_avail_noticed_event = NULL;
+ channel->watches = NULL;
+ InitializeCriticalSection (&channel->mutex);
}
static void
* is automatic reset.
*/
if (!(channel->data_avail_event = CreateEvent (&sec_attrs, TRUE, FALSE, NULL))
- || !(channel->space_avail_event = CreateEvent (&sec_attrs, FALSE, FALSE, NULL)))
+ || !(channel->space_avail_event = CreateEvent (&sec_attrs, FALSE, FALSE, NULL))
+ || !(channel->data_avail_noticed_event = CreateEvent (&sec_attrs, FALSE, FALSE, NULL)))
{
gchar *msg = g_win32_error_message (GetLastError ());
g_error ("Error creating event: %s", msg);
}
- InitializeCriticalSection (&channel->mutex);
}
static unsigned __stdcall
-reader_thread (void *parameter)
+read_thread (void *parameter)
{
GIOWin32Channel *channel = parameter;
+ GSList *tmp;
guchar *buffer;
guint nbytes;
- g_io_channel_ref ((GIOChannel *) channel);
+ g_io_channel_ref ((GIOChannel *)channel);
if (channel->debug)
- g_print ("thread %#x: starting. pid:%#x, fd:%d, data_avail:%#x, space_avail:%#x\n",
+ g_print ("read_thread %#x: start fd:%d, data_avail:%#x, space_avail:%#x\n",
channel->thread_id,
- (guint) GetCurrentProcessId (),
channel->fd,
(guint) channel->data_avail_event,
(guint) channel->space_avail_event);
{
LOCK (channel->mutex);
if (channel->debug)
- g_print ("thread %#x: rdp=%d, wrp=%d\n",
+ g_print ("read_thread %#x: rdp=%d, wrp=%d\n",
channel->thread_id, channel->rdp, channel->wrp);
if ((channel->wrp + 1) % BUFFER_SIZE == channel->rdp)
{
/* Buffer is full */
if (channel->debug)
- g_print ("thread %#x: resetting space_available\n",
+ g_print ("read_thread %#x: resetting space_avail\n",
channel->thread_id);
ResetEvent (channel->space_avail_event);
if (channel->debug)
- g_print ("thread %#x: waiting for space\n", channel->thread_id);
+ g_print ("read_thread %#x: waiting for space\n",
+ channel->thread_id);
UNLOCK (channel->mutex);
WaitForSingleObject (channel->space_avail_event, INFINITE);
LOCK (channel->mutex);
if (channel->debug)
- g_print ("thread %#x: rdp=%d, wrp=%d\n",
+ g_print ("read_thread %#x: rdp=%d, wrp=%d\n",
channel->thread_id, channel->rdp, channel->wrp);
}
nbytes = MIN ((channel->rdp + BUFFER_SIZE - channel->wrp - 1) % BUFFER_SIZE,
BUFFER_SIZE - channel->wrp);
+ if (channel->debug)
+ g_print ("read_thread %#x: calling read() for %d bytes\n",
+ channel->thread_id, nbytes);
+
UNLOCK (channel->mutex);
- nbytes = (*channel->reader) (channel->fd, buffer, nbytes);
+ nbytes = read (channel->fd, buffer, nbytes);
- if (nbytes <= 0)
- break;
-
LOCK (channel->mutex);
+
+ channel->revents = G_IO_IN;
+ if (nbytes == 0)
+ channel->revents |= G_IO_HUP;
+ else if (nbytes < 0)
+ channel->revents |= G_IO_ERR;
+
if (channel->debug)
- g_print ("thread %#x: got %d bytes, rdp=%d, wrp=%d\n",
+ g_print ("read_thread %#x: read() returned %d, rdp=%d, wrp=%d\n",
channel->thread_id, nbytes, channel->rdp, channel->wrp);
+
+ if (nbytes <= 0)
+ break;
+
channel->wrp = (channel->wrp + nbytes) % BUFFER_SIZE;
if (channel->debug)
- g_print ("thread %#x: rdp=%d, wrp=%d, setting data available\n",
+ g_print ("read_thread %#x: rdp=%d, wrp=%d, setting data_avail\n",
channel->thread_id, channel->rdp, channel->wrp);
SetEvent (channel->data_avail_event);
UNLOCK (channel->mutex);
}
- LOCK (channel->mutex);
channel->running = FALSE;
+ if (channel->needs_close)
+ {
+ if (channel->debug)
+ g_print ("read_thread %#x: channel fd %d needs closing\n",
+ channel->thread_id, channel->fd);
+ close (channel->fd);
+ channel->fd = -1;
+ }
+
if (channel->debug)
- g_print ("thread %#x: got EOF, rdp=%d, wrp=%d, setting data available\n",
+ g_print ("read_thread %#x: EOF, rdp=%d, wrp=%d, setting data_avail\n",
channel->thread_id, channel->rdp, channel->wrp);
SetEvent (channel->data_avail_event);
UNLOCK (channel->mutex);
- g_io_channel_unref((GIOChannel *) channel);
+ g_io_channel_unref((GIOChannel *)channel);
- /* All of the Microsoft docs say we should explicitly
- * end the thread...
+ /* No need to call _endthreadex(), the actual thread starter routine
+ * in MSVCRT (see crt/src/threadex.c:_threadstartex) calls
+ * _endthreadex() for us.
*/
- _endthreadex(1);
-
+
+ CloseHandle (channel->thread_handle);
+
return 0;
}
static void
-create_reader_thread (GIOWin32Channel *channel,
- gpointer reader)
+create_thread (GIOWin32Channel *channel,
+ GIOCondition condition,
+ unsigned (__stdcall *thread) (void *parameter))
{
- channel->reader = reader;
-
- if (_beginthreadex (NULL, 0, reader_thread, channel, 0,
- &channel->thread_id) == 0)
- g_warning ("Error creating reader thread: %s", strerror (errno));
+ channel->thread_handle =
+ (HANDLE) _beginthreadex (NULL, 0, thread, channel, 0,
+ &channel->thread_id);
+ if (channel->thread_handle == 0)
+ g_warning (G_STRLOC ": Error creating reader thread: %s",
+ strerror (errno));
WaitForSingleObject (channel->space_avail_event, INFINITE);
}
g_print ("reading from thread %#x %d bytes, rdp=%d, wrp=%d\n",
channel->thread_id, count, channel->rdp, channel->wrp);
- if (channel->rdp == channel->wrp)
+ if (channel->wrp == channel->rdp)
{
UNLOCK (channel->mutex);
if (channel->debug)
g_print ("waiting for data from thread %#x\n", channel->thread_id);
WaitForSingleObject (channel->data_avail_event, INFINITE);
+ if (channel->debug)
+ g_print ("done waiting for data from thread %#x\n", channel->thread_id);
LOCK (channel->mutex);
- if (channel->rdp == channel->wrp && !channel->running)
+ if (channel->wrp == channel->rdp && !channel->running)
{
UNLOCK (channel->mutex);
return 0;
LOCK (channel->mutex);
channel->rdp = (channel->rdp + nbytes) % BUFFER_SIZE;
if (channel->debug)
- g_print ("setting space available for thread %#x\n", channel->thread_id);
+ g_print ("setting space_avail for thread %#x\n", channel->thread_id);
SetEvent (channel->space_avail_event);
if (channel->debug)
g_print ("for thread %#x: rdp=%d, wrp=%d\n",
channel->thread_id, channel->rdp, channel->wrp);
- if (channel->running && channel->rdp == channel->wrp)
+ if (channel->running && channel->wrp == channel->rdp)
{
if (channel->debug)
- g_print ("resetting data_available of thread %#x\n",
+ g_print ("resetting data_avail of thread %#x\n",
channel->thread_id);
ResetEvent (channel->data_avail_event);
};
return count - left;
}
+static unsigned __stdcall
+select_thread (void *parameter)
+{
+ GIOWin32Channel *channel = parameter;
+ fd_set read_fds, write_fds, except_fds;
+ GSList *tmp;
+ int n;
+
+ g_io_channel_ref ((GIOChannel *)channel);
+
+ if (channel->debug)
+ g_print ("select_thread %#x: start fd:%d,\n\tdata_avail:%#x, data_avail_noticed:%#x\n",
+ channel->thread_id,
+ channel->fd,
+ (guint) channel->data_avail_event,
+ (guint) channel->data_avail_noticed_event);
+
+ channel->rdp = channel->wrp = 0;
+ channel->running = TRUE;
+
+ SetEvent (channel->space_avail_event);
+
+ while (channel->running)
+ {
+ FD_ZERO (&read_fds);
+ FD_ZERO (&write_fds);
+ FD_ZERO (&except_fds);
+
+ tmp = channel->watches;
+ while (tmp)
+ {
+ GIOWin32Watch *watch = (GIOWin32Watch *)tmp->data;
+
+ if (watch->condition & (G_IO_IN | G_IO_HUP))
+ FD_SET (channel->fd, &read_fds);
+ if (watch->condition & G_IO_OUT)
+ FD_SET (channel->fd, &write_fds);
+ if (watch->condition & G_IO_ERR)
+ FD_SET (channel->fd, &except_fds);
+
+ tmp = tmp->next;
+ }
+ if (channel->debug)
+ g_print ("select_thread %#x: calling select() for%s%s%s\n",
+ channel->thread_id,
+ (FD_ISSET (channel->fd, &read_fds) ? " IN" : ""),
+ (FD_ISSET (channel->fd, &write_fds) ? " OUT" : ""),
+ (FD_ISSET (channel->fd, &except_fds) ? " ERR" : ""));
+
+ n = select (1, &read_fds, &write_fds, &except_fds, NULL);
+
+ if (n == SOCKET_ERROR)
+ {
+ if (channel->debug)
+ g_print ("select_thread %#x: select returned SOCKET_ERROR\n",
+ channel->thread_id);
+ break;
+ }
+
+ if (channel->debug)
+ g_print ("select_thread %#x: got%s%s%s\n",
+ channel->thread_id,
+ (FD_ISSET (channel->fd, &read_fds) ? " IN" : ""),
+ (FD_ISSET (channel->fd, &write_fds) ? " OUT" : ""),
+ (FD_ISSET (channel->fd, &except_fds) ? " ERR" : ""));
+
+ if (FD_ISSET (channel->fd, &read_fds))
+ channel->revents |= G_IO_IN;
+ if (FD_ISSET (channel->fd, &write_fds))
+ channel->revents |= G_IO_OUT;
+ if (FD_ISSET (channel->fd, &except_fds))
+ channel->revents |= G_IO_ERR;
+
+ if (channel->debug)
+ g_print ("select_thread %#x: resetting data_avail_noticed,\n"
+ "\tsetting data_avail\n",
+ channel->thread_id);
+ ResetEvent (channel->data_avail_noticed_event);
+ SetEvent (channel->data_avail_event);
+
+ if (channel->debug)
+ g_print ("select_thread %#x: waiting for data_avail_noticed\n",
+ channel->thread_id);
+
+ WaitForSingleObject (channel->data_avail_noticed_event, INFINITE);
+ if (channel->debug)
+ g_print ("select_thread %#x: got data_avail_noticed\n",
+ channel->thread_id);
+ }
+
+ channel->running = FALSE;
+ LOCK (channel->mutex);
+ if (channel->needs_close)
+ {
+ if (channel->debug)
+ g_print ("select_thread %#x: channel fd %d needs closing\n",
+ channel->thread_id, channel->fd);
+ closesocket (channel->fd);
+ channel->fd = -1;
+ }
+
+ if (channel->debug)
+ g_print ("select_thread %#x: got error, setting data_avail\n",
+ channel->thread_id);
+ SetEvent (channel->data_avail_event);
+ UNLOCK (channel->mutex);
+
+ g_io_channel_unref((GIOChannel *)channel);
+
+ /* No need to call _endthreadex(), the actual thread starter routine
+ * in MSVCRT (see crt/src/threadex.c:_threadstartex) calls
+ * _endthreadex() for us.
+ */
+
+ CloseHandle (channel->thread_handle);
+
+ return 0;
+}
+
static gboolean
-g_io_win32_prepare (gpointer source_data,
- GTimeVal *current_time,
- gint *timeout,
- gpointer user_data)
+g_io_win32_prepare (GSource *source,
+ gint *timeout)
{
+ GIOWin32Watch *watch = (GIOWin32Watch *)source;
+ GIOWin32Channel *channel = (GIOWin32Channel *)watch->channel;
+
*timeout = -1;
+ if (channel->type == G_IO_WIN32_FILE_DESC)
+ {
+ LOCK (channel->mutex);
+ if (channel->running && channel->wrp == channel->rdp)
+ channel->revents = 0;
+ UNLOCK (channel->mutex);
+ }
+ else if (channel->type == G_IO_WIN32_SOCKET)
+ {
+ channel->revents = 0;
+
+ if (channel->debug)
+ g_print ("g_io_win32_prepare: thread %#x, setting data_avail_noticed\n",
+ channel->thread_id);
+ SetEvent (channel->data_avail_noticed_event);
+ if (channel->debug)
+ g_print ("g_io_win32_prepare: thread %#x, there.\n",
+ channel->thread_id);
+ }
+
return FALSE;
}
static gboolean
-g_io_win32_check (gpointer source_data,
- GTimeVal *current_time,
- gpointer user_data)
+g_io_win32_check (GSource *source)
{
- GIOWin32Watch *data = source_data;
- GIOWin32Channel *channel = (GIOWin32Channel *) data->channel;
+ GIOWin32Watch *watch = (GIOWin32Watch *)source;
+ GIOWin32Channel *channel = (GIOWin32Channel *)watch->channel;
- /* If the thread has died, we have encountered EOF. If the buffer
- * also is emtpty set the HUP bit.
- */
- if (!channel->running && channel->rdp == channel->wrp)
+ if (channel->debug)
+ g_print ("g_io_win32_check: for thread %#x:\n"
+ "\twatch->pollfd.events:%#x, watch->pollfd.revents:%#x, channel->revents:%#x\n",
+ channel->thread_id,
+ watch->pollfd.events, watch->pollfd.revents, channel->revents);
+
+ if (channel->type != G_IO_WIN32_WINDOWS_MESSAGES)
+ watch->pollfd.revents = (watch->pollfd.events & channel->revents);
+
+ if (channel->type == G_IO_WIN32_SOCKET)
{
if (channel->debug)
- g_print ("g_io_win32_check: setting G_IO_HUP thread %#x rdp=%d wrp=%d\n",
- channel->thread_id, channel->rdp, channel->wrp);
- data->pollfd.revents |= G_IO_HUP;
- return TRUE;
+ g_print ("g_io_win32_check: thread %#x, resetting data_avail\n",
+ channel->thread_id);
+ ResetEvent (channel->data_avail_event);
+ if (channel->debug)
+ g_print ("g_io_win32_check: thread %#x, there.\n",
+ channel->thread_id);
}
- return (data->pollfd.revents & data->condition);
+ return (watch->pollfd.revents & watch->condition);
}
static gboolean
-g_io_win32_dispatch (gpointer source_data,
- GTimeVal *current_time,
- gpointer user_data)
-
+g_io_win32_dispatch (GSource *source,
+ GSourceFunc callback,
+ gpointer user_data)
{
- GIOWin32Watch *data = source_data;
+ GIOFunc func = (GIOFunc)callback;
+ GIOWin32Watch *watch = (GIOWin32Watch *)source;
+
+ if (!func)
+ {
+ g_warning (G_STRLOC ": GIOWin32Watch dispatched without callback\n"
+ "You must call g_source_connect().");
+ return FALSE;
+ }
- return (*data->callback) (data->channel,
- data->pollfd.revents & data->condition,
- user_data);
+ return (*func) (watch->channel,
+ watch->pollfd.revents & watch->condition,
+ user_data);
}
static void
-g_io_win32_destroy (gpointer source_data)
+g_io_win32_destroy (GSource *source)
{
- GIOWin32Watch *data = source_data;
+ GIOWin32Watch *watch = (GIOWin32Watch *)source;
+ GIOWin32Channel *channel = (GIOWin32Channel *)watch->channel;
- g_main_remove_poll (&data->pollfd);
- g_io_channel_unref (data->channel);
- g_free (data);
+ if (channel->debug)
+ g_print ("g_io_win32_destroy: channel with thread %#x\n",
+ channel->thread_id);
+
+ channel->watches = g_slist_remove (channel->watches, watch);
+
+ g_io_channel_unref (watch->channel);
}
static GSourceFuncs win32_watch_funcs = {
g_io_win32_destroy
};
-static guint
-g_io_win32_add_watch (GIOChannel *channel,
- gint priority,
- GIOCondition condition,
- GIOFunc func,
- gpointer user_data,
- GDestroyNotify notify,
- int (*reader) (int, guchar *, int))
+static GSource *
+g_io_win32_create_watch (GIOChannel *channel,
+ GIOCondition condition,
+ unsigned (__stdcall *thread) (void *parameter))
{
- GIOWin32Watch *watch = g_new (GIOWin32Watch, 1);
- GIOWin32Channel *win32_channel = (GIOWin32Channel *) channel;
+ GIOWin32Channel *win32_channel = (GIOWin32Channel *)channel;
+ GIOWin32Watch *watch;
+ GSource *source;
+
+ source = g_source_new (&win32_watch_funcs, sizeof (GIOWin32Watch));
+ watch = (GIOWin32Watch *)source;
watch->channel = channel;
g_io_channel_ref (channel);
- watch->callback = func;
watch->condition = condition;
if (win32_channel->data_avail_event == NULL)
watch->pollfd.events = condition;
if (win32_channel->debug)
- g_print ("g_io_win32_add_watch: fd:%d handle:%#x\n",
- win32_channel->fd, watch->pollfd.fd);
+ g_print ("g_io_win32_create_watch: fd:%d condition:%#x handle:%#x\n",
+ win32_channel->fd, condition, watch->pollfd.fd);
+ win32_channel->watches = g_slist_append (win32_channel->watches, watch);
+
if (win32_channel->thread_id == 0)
- create_reader_thread (win32_channel, reader);
+ create_thread (win32_channel, condition, thread);
- g_main_add_poll (&watch->pollfd, priority);
+ g_source_add_poll (source, &watch->pollfd);
- return g_source_add (priority, TRUE, &win32_watch_funcs, watch,
- user_data, notify);
+ return source;
}
static GIOError
guint count,
guint *bytes_read)
{
- GIOWin32Channel *win32_channel = (GIOWin32Channel *) channel;
+ GIOWin32Channel *win32_channel = (GIOWin32Channel *)channel;
MSG msg; /* In case of alignment problems */
if (count < sizeof (MSG))
return G_IO_ERROR_INVAL;
+ if (win32_channel->debug)
+ g_print ("g_io_win32_msg_read: for %#x\n",
+ win32_channel->hwnd);
if (!PeekMessage (&msg, win32_channel->hwnd, 0, 0, PM_REMOVE))
return G_IO_ERROR_AGAIN;
guint count,
guint *bytes_written)
{
- GIOWin32Channel *win32_channel = (GIOWin32Channel *) channel;
+ GIOWin32Channel *win32_channel = (GIOWin32Channel *)channel;
MSG msg;
if (count != sizeof (MSG))
static void
g_io_win32_free (GIOChannel *channel)
{
- GIOWin32Channel *win32_channel = (GIOWin32Channel *) channel;
+ GIOWin32Channel *win32_channel = (GIOWin32Channel *)channel;
- if (win32_channel->buffer)
- {
- CloseHandle (win32_channel->data_avail_event);
- CloseHandle (win32_channel->space_avail_event);
- DeleteCriticalSection (&win32_channel->mutex);
- }
+ if (win32_channel->debug)
+ g_print ("thread %#x: freeing channel, fd: %d\n",
+ win32_channel->thread_id,
+ win32_channel->fd);
+
+ if (win32_channel->data_avail_event)
+ CloseHandle (win32_channel->data_avail_event);
+ if (win32_channel->space_avail_event)
+ CloseHandle (win32_channel->space_avail_event);
+ if (win32_channel->data_avail_noticed_event)
+ CloseHandle (win32_channel->data_avail_noticed_event);
+ DeleteCriticalSection (&win32_channel->mutex);
g_free (win32_channel->buffer);
+ g_slist_free (win32_channel->watches);
g_free (win32_channel);
}
-static guint
-g_io_win32_msg_add_watch (GIOChannel *channel,
- gint priority,
- GIOCondition condition,
- GIOFunc func,
- gpointer user_data,
- GDestroyNotify notify)
+static GSource *
+g_io_win32_msg_create_watch (GIOChannel *channel,
+ GIOCondition condition)
{
- GIOWin32Watch *watch = g_new (GIOWin32Watch, 1);
+ GIOWin32Watch *watch;
+ GSource *source;
+
+ source = g_source_new (&win32_watch_funcs, sizeof (GIOWin32Watch));
+ watch = (GIOWin32Watch *)source;
watch->channel = channel;
g_io_channel_ref (channel);
- watch->callback = func;
watch->condition = condition;
watch->pollfd.fd = G_WIN32_MSG_HANDLE;
watch->pollfd.events = condition;
- g_main_add_poll (&watch->pollfd, priority);
+ g_source_add_poll (source, &watch->pollfd);
- return g_source_add (priority, TRUE, &win32_watch_funcs,
- watch, user_data, notify);
+ return source;
}
static GIOError
guint count,
guint *bytes_read)
{
- GIOWin32Channel *win32_channel = (GIOWin32Channel *) channel;
+ GIOWin32Channel *win32_channel = (GIOWin32Channel *)channel;
gint result;
GIOError error;
guint count,
guint *bytes_written)
{
- GIOWin32Channel *win32_channel = (GIOWin32Channel *) channel;
+ GIOWin32Channel *win32_channel = (GIOWin32Channel *)channel;
gint result;
result = write (win32_channel->fd, buf, count);
gint offset,
GSeekType type)
{
- GIOWin32Channel *win32_channel = (GIOWin32Channel *) channel;
+ GIOWin32Channel *win32_channel = (GIOWin32Channel *)channel;
int whence;
off_t result;
whence = SEEK_END;
break;
default:
- g_warning ("g_io_win32_fd_seek: unknown seek type");
+ g_warning (G_STRLOC ": Unknown seek type %d", (int) type);
return G_IO_ERROR_UNKNOWN;
}
static void
g_io_win32_fd_close (GIOChannel *channel)
{
- GIOWin32Channel *win32_channel = (GIOWin32Channel *) channel;
+ GIOWin32Channel *win32_channel = (GIOWin32Channel *)channel;
- close (win32_channel->fd);
- return;
-}
-
-static int
-fd_reader (int fd,
- guchar *buf,
- int len)
-{
- return read (fd, buf, len);
+ if (win32_channel->debug)
+ g_print ("thread %#x: closing fd %d\n",
+ win32_channel->thread_id,
+ win32_channel->fd);
+ LOCK (win32_channel->mutex);
+ if (win32_channel->running)
+ {
+ if (win32_channel->debug)
+ g_print ("thread %#x: running, marking fd %d for later close\n",
+ win32_channel->thread_id, win32_channel->fd);
+ win32_channel->running = FALSE;
+ win32_channel->needs_close = TRUE;
+ SetEvent (win32_channel->data_avail_event);
+ }
+ else
+ {
+ if (win32_channel->debug)
+ g_print ("closing fd %d\n", win32_channel->fd);
+ close (win32_channel->fd);
+ if (win32_channel->debug)
+ g_print ("closed fd %d, setting to -1\n",
+ win32_channel->fd);
+ win32_channel->fd = -1;
+ }
+ UNLOCK (win32_channel->mutex);
}
-static guint
-g_io_win32_fd_add_watch (GIOChannel *channel,
- gint priority,
- GIOCondition condition,
- GIOFunc func,
- gpointer user_data,
- GDestroyNotify notify)
+static GSource *
+g_io_win32_fd_create_watch (GIOChannel *channel,
+ GIOCondition condition)
{
- return g_io_win32_add_watch (channel, priority, condition,
- func, user_data, notify, fd_reader);
+ return g_io_win32_create_watch (channel, condition, read_thread);
}
static GIOError
guint count,
guint *bytes_read)
{
- GIOWin32Channel *win32_channel = (GIOWin32Channel *) channel;
+ GIOWin32Channel *win32_channel = (GIOWin32Channel *)channel;
gint result;
GIOError error;
-
- if (win32_channel->thread_id)
- {
- result = buffer_read (win32_channel, buf, count, &error);
- if (result < 0)
- {
- *bytes_read = 0;
- return error;
- }
- else
- {
- *bytes_read = result;
- return G_IO_ERROR_NONE;
- }
- }
+ if (win32_channel->debug)
+ g_print ("g_io_win32_sock_read: sockfd:%d count:%d\n",
+ win32_channel->fd, count);
+
result = recv (win32_channel->fd, buf, count, 0);
- if (result < 0)
+ if (win32_channel->debug)
+ g_print ("g_io_win32_sock_read: recv:%d\n", result);
+
+ if (result == SOCKET_ERROR)
{
*bytes_read = 0;
- return G_IO_ERROR_UNKNOWN;
+ switch (WSAGetLastError ())
+ {
+ case WSAEINVAL:
+ return G_IO_ERROR_INVAL;
+ case WSAEWOULDBLOCK:
+ case WSAEINTR:
+ return G_IO_ERROR_AGAIN;
+ default:
+ return G_IO_ERROR_UNKNOWN;
+ }
}
else
{
guint count,
guint *bytes_written)
{
- GIOWin32Channel *win32_channel = (GIOWin32Channel *) channel;
+ GIOWin32Channel *win32_channel = (GIOWin32Channel *)channel;
gint result;
+ if (win32_channel->debug)
+ g_print ("g_io_win32_sock_write: sockfd:%d count:%d\n",
+ win32_channel->fd, count);
+
result = send (win32_channel->fd, buf, count, 0);
+ if (win32_channel->debug)
+ g_print ("g_io_win32_sock_write: send:%d\n", result);
+
if (result == SOCKET_ERROR)
{
*bytes_written = 0;
static void
g_io_win32_sock_close (GIOChannel *channel)
{
- GIOWin32Channel *win32_channel = (GIOWin32Channel *) channel;
+ GIOWin32Channel *win32_channel = (GIOWin32Channel *)channel;
+ if (win32_channel->debug)
+ g_print ("thread %#x: closing socket %d\n",
+ win32_channel->thread_id,
+ win32_channel->fd);
closesocket (win32_channel->fd);
+ win32_channel->fd = -1;
}
-static int
-sock_reader (int fd,
- guchar *buf,
- int len)
-{
- return recv (fd, buf, len, 0);
-}
-
-static guint
-g_io_win32_sock_add_watch (GIOChannel *channel,
- gint priority,
- GIOCondition condition,
- GIOFunc func,
- gpointer user_data,
- GDestroyNotify notify)
+static GSource *
+g_io_win32_sock_create_watch (GIOChannel *channel,
+ GIOCondition condition)
{
- return g_io_win32_add_watch (channel, priority, condition,
- func, user_data, notify, sock_reader);
+ return g_io_win32_create_watch (channel, condition, select_thread);
}
static GIOFuncs win32_channel_msg_funcs = {
g_io_win32_msg_write,
g_io_win32_no_seek,
g_io_win32_msg_close,
- g_io_win32_msg_add_watch,
+ g_io_win32_msg_create_watch,
g_io_win32_free
};
g_io_win32_fd_write,
g_io_win32_fd_seek,
g_io_win32_fd_close,
- g_io_win32_fd_add_watch,
+ g_io_win32_fd_create_watch,
g_io_win32_free
};
g_io_win32_sock_write,
g_io_win32_no_seek,
g_io_win32_sock_close,
- g_io_win32_sock_add_watch,
+ g_io_win32_sock_create_watch,
g_io_win32_free
};
g_io_channel_win32_new_messages (guint hwnd)
{
GIOWin32Channel *win32_channel = g_new (GIOWin32Channel, 1);
- GIOChannel *channel = (GIOChannel *) win32_channel;
+ GIOChannel *channel = (GIOChannel *)win32_channel;
g_io_channel_init (channel);
g_io_channel_win32_init (win32_channel);
+ if (win32_channel->debug)
+ g_print ("g_io_channel_win32_new_messages: hwnd = %ud\n", hwnd);
channel->funcs = &win32_channel_msg_funcs;
- win32_channel->type = G_IO_WINDOWS_MESSAGES;
+ win32_channel->type = G_IO_WIN32_WINDOWS_MESSAGES;
win32_channel->hwnd = (HWND) hwnd;
return channel;
if (fstat (fd, &st) == -1)
{
- g_warning ("%d isn't a (emulated) file descriptor", fd);
+ g_warning (G_STRLOC ": %d isn't a (emulated) file descriptor", fd);
return NULL;
}
win32_channel = g_new (GIOWin32Channel, 1);
- channel = (GIOChannel *) win32_channel;
+ channel = (GIOChannel *)win32_channel;
g_io_channel_init (channel);
g_io_channel_win32_init (win32_channel);
+ if (win32_channel->debug)
+ g_print ("g_io_channel_win32_new_fd: fd = %d\n", fd);
channel->funcs = &win32_channel_fd_funcs;
- win32_channel->type = G_IO_FILE_DESC;
+ win32_channel->type = G_IO_WIN32_FILE_DESC;
win32_channel->fd = fd;
return channel;
gint
g_io_channel_win32_get_fd (GIOChannel *channel)
{
- GIOWin32Channel *win32_channel = (GIOWin32Channel *) channel;
+ GIOWin32Channel *win32_channel = (GIOWin32Channel *)channel;
return win32_channel->fd;
}
GIOChannel *
-g_io_channel_win32_new_stream_socket (int socket)
+g_io_channel_win32_new_socket (int socket)
{
GIOWin32Channel *win32_channel = g_new (GIOWin32Channel, 1);
- GIOChannel *channel = (GIOChannel *) win32_channel;
+ GIOChannel *channel = (GIOChannel *)win32_channel;
g_io_channel_init (channel);
g_io_channel_win32_init (win32_channel);
+ if (win32_channel->debug)
+ g_print ("g_io_channel_win32_new_socket: sockfd:%d\n", socket);
channel->funcs = &win32_channel_sock_funcs;
- win32_channel->type = G_IO_STREAM_SOCKET;
+ win32_channel->type = G_IO_WIN32_SOCKET;
win32_channel->fd = socket;
return channel;
GIOChannel *
g_io_channel_unix_new (gint fd)
{
- return g_io_channel_win32_new_fd (fd);
+ struct stat st;
+
+ if (fstat (fd, &st) == 0)
+ return g_io_channel_win32_new_fd (fd);
+
+ if (getsockopt (fd, SOL_SOCKET, SO_TYPE, NULL, NULL) != SO_ERROR)
+ return g_io_channel_win32_new_socket(fd);
+
+ g_warning (G_STRLOC ": %d is neither a file descriptor or a socket", fd);
+ return NULL;
}
gint
g_io_channel_win32_set_debug (GIOChannel *channel,
gboolean flag)
{
- GIOWin32Channel *win32_channel = (GIOWin32Channel *) channel;
+ GIOWin32Channel *win32_channel = (GIOWin32Channel *)channel;
win32_channel->debug = flag;
}
gint n_fds,
gint timeout)
{
- int i;
int result;
- gboolean debug = FALSE;
g_return_val_if_fail (n_fds >= 0, 0);
- result = (*g_main_win32_get_poll_func ()) (fds, n_fds, timeout);
+ result = (*g_main_context_get_poll_func (NULL)) (fds, n_fds, timeout);
return result;
}
GIOCondition condition,
GPollFD *fd)
{
- GIOWin32Channel *win32_channel = (GIOWin32Channel *) channel;
+ GIOWin32Channel *win32_channel = (GIOWin32Channel *)channel;
if (win32_channel->data_avail_event == NULL)
create_events (win32_channel);
fd->events = condition;
if (win32_channel->thread_id == 0)
- if (win32_channel->type == G_IO_FILE_DESC)
- create_reader_thread (win32_channel, fd_reader);
- else if (win32_channel->type == G_IO_STREAM_SOCKET)
- create_reader_thread (win32_channel, sock_reader);
-}
-
-gint
-g_io_channel_win32_wait_for_condition (GIOChannel *channel,
- GIOCondition condition,
- gint timeout)
-{
- GPollFD pollfd;
- GIOWin32Channel *win32_channel = (GIOWin32Channel *) channel;
-
- g_io_channel_win32_make_pollfd (channel, condition, &pollfd);
-
- return g_io_channel_win32_poll (&pollfd, 1, timeout);
-}
-
-/* This variable and the functions below are present just to be
- * binary compatible with old clients... But note that in GIMP, the
- * libgimp/gimp.c:gimp_extension_process() function will have to be modified
- * anyhow for this new approach.
- *
- * These will be removed after some weeks.
- */
-guint g_pipe_readable_msg = 0;
-
-GIOChannel *
-g_io_channel_win32_new_pipe (int fd)
-{
- return g_io_channel_win32_new_fd (fd);
+ if ((condition & G_IO_IN) && win32_channel->type == G_IO_WIN32_FILE_DESC)
+ create_thread (win32_channel, condition, read_thread);
+ else if (win32_channel->type == G_IO_WIN32_SOCKET)
+ create_thread (win32_channel, condition, select_thread);
}
+/* Binary compatibility */
GIOChannel *
-g_io_channel_win32_new_pipe_with_wakeups (int fd,
- guint peer,
- int peer_fd)
-{
- return g_io_channel_win32_new_fd (fd);
-}
-
-void
-g_io_channel_win32_pipe_request_wakeups (GIOChannel *channel,
- guint peer,
- int peer_fd)
-{
- /* Nothing needed now */
-}
-
-void
-g_io_channel_win32_pipe_readable (gint fd,
- guint offset)
+g_io_channel_win32_new_stream_socket (int socket)
{
- /* Nothing needed now */
+ return g_io_channel_win32_new_socket (socket);
}
-
projects / platform / upstream / glib.git / blobdiff