/* run in the main thread in reaction to a log_reader_reopen to change
* the source LogProtoServer instance. It needs to be ran in the main
* thread as it reregisters the watches associated with the main
* thread. */
void
log_reader_reopen_deferred(gpointer s)
{
gpointer *args = (gpointer *) s;
LogReader *self = args[0];
LogProtoServer *proto = args[1];
PollEvents *poll_events = args[2];
if (self->io_job.working)
{
self->pending_proto = proto;
self->pending_poll_events = poll_events;
self->pending_proto_present = TRUE;
return;
}
log_reader_stop_watches(self);
log_reader_apply_proto_and_poll_events(self, proto, poll_events);
log_reader_update_watches(self);
}
static void
log_reader_work_finished(void *s)
{
LogReader *self = (LogReader *) s;
if (self->pending_proto_present)
{
/* pending proto is only set in the main thread, so no need to
* lock it before coming here. After we're syncing with the
* log_writer_reopen() call, quite possibly coming from a
* non-main thread. */
g_static_mutex_lock(&self->pending_proto_lock);
log_reader_apply_proto_and_poll_events(self, self->pending_proto, self->pending_poll_events);
self->pending_proto = NULL;
self->pending_poll_events = NULL;
self->pending_proto_present = FALSE;
g_cond_signal(self->pending_proto_cond);
g_static_mutex_unlock(&self->pending_proto_lock);
}
if (self->notify_code)
{
gint notify_code = self->notify_code;
self->notify_code = 0;
log_pipe_notify(self->control, notify_code, self);
}
if (self->super.super.flags & PIF_INITIALIZED)
{
/* reenable polling the source assuming that we're still in
* business (e.g. the reader hasn't been uninitialized) */
log_proto_server_reset_error(self->proto);
log_reader_update_watches(self);
}
log_pipe_unref(&self->super.super);
}
