man/io_uring_enter: correct the description of
IORING_OP_TIMEOUT with off == 0
@@ -290,11 +290,12 @@ must contain 1 to signify one timespec64 structure,
may contain IORING_TIMEOUT_ABS
for an absolute timeout value, or 0 for a relative timeout.
.I off
-may contain a completion event count. If not set, this defaults to 1. A timeout
+may contain a completion event count. A timeout
will trigger a wakeup event on the completion ring for anyone waiting for
events. A timeout condition is met when either the specified timeout expires,
or the specified number of events have completed. Either condition will
-trigger the event. io_uring timeouts use the
+trigger the event. If set to 0, completed events are not counted, which
+effectively acts like a timer. io_uring timeouts use the
.B CLOCK_MONOTONIC
clock source. The request will complete with
.I -ETIME
