Date: Fri, 28 Jan 2011 17:37:09 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: cvs-src-old@freebsd.org Subject: cvs commit: src/sys/kern uipc_syscalls.c Message-ID: <201101281737.p0SHbPsO029691@repoman.freebsd.org>
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kib 2011-01-28 17:37:09 UTC
FreeBSD src repository
Modified files:
sys/kern uipc_syscalls.c
Log:
SVN rev 218026 on 2011-01-28 17:37:09Z by kib
If more than one thread allocated sf buffers for sendfile(2), and
each of the threads needs more while current pool of the buffers is
exhausted, then neither thread can make progress.
Switch to nowait allocations after we got first buffer already.
Reported by: az
Reviewed by: alc (previous version)
Tested by: pho
MFC after: 1 week
Revision Changes Path
1.303 +12 -5 src/sys/kern/uipc_syscalls.c
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