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author | rwatson <rwatson@FreeBSD.org> | 2004-02-26 00:18:22 +0000 |
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committer | rwatson <rwatson@FreeBSD.org> | 2004-02-26 00:18:22 +0000 |
commit | 50cda1680380cd332bc897ddc8f54d65ddf9aa9d (patch) | |
tree | 06698496c09009ade82b0773f183efaf7e38cd44 /sys/kern/sys_pipe.c | |
parent | c305cc0659964f6dd3370760ce115117460a1c09 (diff) | |
download | FreeBSD-src-50cda1680380cd332bc897ddc8f54d65ddf9aa9d.zip FreeBSD-src-50cda1680380cd332bc897ddc8f54d65ddf9aa9d.tar.gz |
Assert pipe mutex in pipeselwakeup(), as we manipulate pipe_state
in a non-atomic manner. It appears to always be called with the
mutex (good).
Diffstat (limited to 'sys/kern/sys_pipe.c')
-rw-r--r-- | sys/kern/sys_pipe.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/kern/sys_pipe.c b/sys/kern/sys_pipe.c index 2a5479f..3dfd6e1 100644 --- a/sys/kern/sys_pipe.c +++ b/sys/kern/sys_pipe.c @@ -478,6 +478,7 @@ pipeselwakeup(cpipe) struct pipe *cpipe; { + PIPE_LOCK_ASSERT(cpipe, MA_OWNED); if (cpipe->pipe_state & PIPE_SEL) { cpipe->pipe_state &= ~PIPE_SEL; selwakeuppri(&cpipe->pipe_sel, PSOCK); |