linux-kernel - RE: WaitForMultipleObjects/etc. In Kernel

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Message-ID: <95b6e508-1358-4f01-9687-344e25bd4b2b@email.android.com>
Date:	Wed, 29 Jan 2014 09:30:35 +0100
From:	Clemens Ladisch <clemens@...isch.de>
To:	Network Nut <sillystack@...il.com>
CC:	linux-kernel@...r.kernel.org
Subject: RE: WaitForMultipleObjects/etc. In Kernel

Network Nut wrote:
>I was looking at POSIX because it allows naming of the primitives.

Linux uses two orthogonal mechanisms for synchronization
primitives and for naming/sharing.

>I need to epoll_wait on inter-process {mutex, event, semaphore}.

Use eventfd.

>I need to reference inter-process {mutex, event, semaphore}, each
>identified
>by string, if feasible.

Send the fd through a Unix domain socket.

Regards,
Clemens

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