From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
To: ltt-dev@lists.casi.polymtl.ca, linux-kernel@vger.kernel.org,
rp@svcs.cs.pdx.edu
Subject: [RELEASE] Userspace RCU 0.5.4
Date: Fri, 4 Mar 2011 12:36:35 -0500 [thread overview]
Message-ID: <20110304173635.GA13194@Krystal> (raw)
liburcu is a LGPLv2.1 userspace RCU (read-copy-update) library. This data
synchronization library provides read-side access which scales linearly with the
number of cores. It does so by allowing multiples copies of a given data
structure to live at the same time, and by monitoring the data structure
accesses to detect grace periods after which memory reclamation is possible.
Changelog for v0.5.4:
* urcu-bp: Update fork() handling
Introduce
extern void rcu_bp_before_fork(void);
extern void rcu_bp_after_fork_parent(void);
extern void rcu_bp_after_fork_child(void);
to handle fork gracefully. These disable signals and hold the registry mutex
across forks. (this flavor of the liburcu library ("bp" for "bulletproof")
is mainly used by UST, the user-space tracer).
Project website: http://lttng.org/urcu
Download link: http://www.lttng.org/files/urcu/
--
Mathieu Desnoyers
Operating System Efficiency R&D Consultant
EfficiOS Inc.
http://www.efficios.com
reply other threads:[~2011-03-04 17:36 UTC|newest]
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