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gatio: Add write 'done' notifier 

This allows external clients to get notified when GAtIO no longer has a
registered write watcher.  E.g. no more data is currently pending.
This commit is contained in:
Denis Kenzior 2011-02-26 00:12:02 -06:00
parent 3f2f11fe8f
commit 5ffe6f7beb
2 changed files with 21 additions and 0 deletions
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18
gatchat/gatio.c
View File

@ -52,6 +52,8 @@ struct _GAtIO {
gpointer write_data; /* Write callback userdata */
GAtDebugFunc debugf; /* debugging output function */
gpointer debug_data; /* Data to pass to debug func */
GAtDisconnectFunc write_done_func;
gpointer write_done_data;
gboolean destroyed; /* Re-entrancy guard */
};
@ -158,6 +160,12 @@ static void write_watcher_destroy_notify(gpointer user_data)
io->write_watch = 0;
io->write_handler = NULL;
io->write_data = NULL;
if (io->write_done_func) {
io->write_done_func(io->write_done_data);
io->write_done_func = NULL;
io->write_done_data = NULL;
}
}
static gboolean can_write_data(GIOChannel *channel, GIOCondition cond,
@ -370,3 +378,13 @@ gboolean g_at_io_set_debug(GAtIO *io, GAtDebugFunc func, gpointer user_data)
return TRUE;
}
void g_at_io_set_write_done(GAtIO *io, GAtDisconnectFunc func,
gpointer user_data)
{
if (io == NULL)
return;
io->write_done_func = func;
io->write_done_data = user_data;
}

3
gatchat/gatio.h
View File

@ -49,6 +49,9 @@ gboolean g_at_io_set_read_handler(GAtIO *io, GAtIOReadFunc read_handler,
gpointer user_data);
gboolean g_at_io_set_write_handler(GAtIO *io, GAtIOWriteFunc write_handler,
gpointer user_data);
void g_at_io_set_write_done(GAtIO *io, GAtDisconnectFunc func,
gpointer user_data);
gsize g_at_io_write(GAtIO *io, const gchar *data, gsize count);
gboolean g_at_io_set_disconnect_function(GAtIO *io,