閱讀文章 - 看板 DFBSD_commit

發信人Matthew Dillon <dillon@crater.dragonflybsd.org>,

看板DFBSD_commit

標題DragonFly-2.3.1.806.gb2072 master sys/kern sys_pipe.c

發信站(null) (Mon Jul 13 02:39:49 2009)

轉信站ptt!crater_reader.dragonflybsd.org!crater.dragonflybsd.org!127.0.0.1.M

commit b20720b5191015783c5d4c26383307807e9c4862 Author: Matthew Dillon <dillon@apollo.backplane.com> Date: Sun Jul 12 18:37:46 2009 -0700 pipe - Fix piperd/pipewr deadlock in mpsafe case * Fix a bug where piperd and pipewr could be entered simultaniously by the reader and writer and neither gets woken up. * Redo the hysteresis slightly to reduce IPIs even more. Summary of changes: sys/kern/sys_pipe.c | 66 ++++++++++++++++++++++++++++++++------------------ 1 files changed, 42 insertions(+), 24 deletions(-) http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/b20720b5191015783c5d4c26383307807e9c4862 -- DragonFly BSD source repository