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-rw-r--r--share/man/man9/sleep.95
1 files changed, 5 insertions, 0 deletions
diff --git a/share/man/man9/sleep.9 b/share/man/man9/sleep.9
index ff6ddf4..4c4753f 100644
--- a/share/man/man9/sleep.9
+++ b/share/man/man9/sleep.9
@@ -95,6 +95,11 @@ runnable with the specified
Sleeps at most
.Fa timo
\&/ hz seconds (0 means no timeout).
+If the
+.Va Giant
+lock is not held, then
+.Fa timo
+must be non-zero.
If
.Fa priority
includes the
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