From: Cyril Hrubis <chrubis@suse.cz>
To: Li Wang <liwang@redhat.com>
Cc: ltp-list@lists.sourceforge.net
Subject: Re: [LTP] [PATCH] futex: regression test for take hugepages into account when generating futex_key
Date: Wed, 17 Jun 2015 15:41:36 +0200 [thread overview]
Message-ID: <20150617134136.GB3082@rei.suse.de> (raw)
In-Reply-To: <266085602.15945003.1434547937242.JavaMail.zimbra@redhat.com>
Hi!
> proper synchronization primitives ??
> I haven't used that. Could you show me a simple demo?
That just means that one thread/process waits for some
message/file_change/sleeps in syscall instead of sleeping predefined
time and hoping that the other thread/process has done something
meanwhile.
Which is faster than sleeping blindly and also more error prone.
--
Cyril Hrubis
chrubis@suse.cz
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prev parent reply other threads:[~2015-06-17 13:42 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-16 8:53 [LTP] [PATCH] futex: regression test for take hugepages into account when generating futex_key Li Wang
2015-06-16 13:21 ` Cyril Hrubis
[not found] ` <266085602.15945003.1434547937242.JavaMail.zimbra@redhat.com>
2015-06-17 13:41 ` Cyril Hrubis [this message]
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