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	Commit message (Collapse)	Author	Age	Files	Lines
*	lib: Enhance poll_funcs_tevent for multiple tevent_contexts	Volker Lendecke	2014-05-08	1	-3/+13
\| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \|	With this patch it will be possible to use nested event contexts with messaging_filtered_read_send/recv. Before this patchset only the one and only event context a messaging_context is initialized with is able to receive datagrams from the unix domain socket. So if you want to code a synchronous RPC-like operation using a nested event context, you will not see the reply, because the nested event context does not have the required tevent_fd's. Unfortunately, this patchset has to add some advanced array voodoo. The idea is that state->watches[] contains what we hand out with watch_new, and state->contexts contains references to the tevent_contexts. For every watch we need a tevent_fd in every event context, and the routines make sure that the arrays are properly maintained. Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
*	lib: Add unix_msg	Volker Lendecke	2014-04-23	1	-0/+79
	This is a messaging layer based on unix domain datagram sockets. Sending to an idle socket is just one single nonblocking sendmsg call. If the recv queue is full, we start a background thread to do a blocking call. The source4 based imessaging uses a polling fallback. In a situation where thousands of senders beat one single blocked socket, this will generate load on the system due to the constant polling. This does not happen with a threaded blocking send call. The threaded approach has another advantage: We save become_root() calls on the retries. The access checks are done when the blocking socket is connected, the threaded blocking send call does not check permissions anymore. Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>