svn commit: r217613 - head/share/man/man9
John-Mark Gurney
jmg at FreeBSD.org
Wed Jan 19 22:16:42 UTC 2011
Author: jmg
Date: Wed Jan 19 22:16:42 2011
New Revision: 217613
URL: http://svn.freebsd.org/changeset/base/217613
Log:
document that even when wakeup_one is used to wakeup, msleep and friends
may still return a non-zero value... You are not guaranteed to get a one
to one mapping between wakeup_one and zero return values...
Reviewed by: kib
MFC after: 3 days
Modified:
head/share/man/man9/sleep.9
Modified: head/share/man/man9/sleep.9
==============================================================================
--- head/share/man/man9/sleep.9 Wed Jan 19 22:15:12 2011 (r217612)
+++ head/share/man/man9/sleep.9 Wed Jan 19 22:16:42 2011 (r217613)
@@ -255,6 +255,14 @@ pay particular attention to ensure that
same
.Fa chan .
.Sh RETURN VALUES
+When awakened by a call to
+.Fn wakeup
+or
+.Fn wakeup_one ,
+if a signal is pending and
+.Dv PCATCH
+is specified,
+a non-zero error code is returned.
If the thread is awakened by a call to
.Fn wakeup
or
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