diff options
-rw-r--r-- | man2/futex.2 | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/man2/futex.2 b/man2/futex.2 index fea5e4ac..78e3de03 100644 --- a/man2/futex.2 +++ b/man2/futex.2 @@ -50,7 +50,7 @@ .\" .\" See Documentation/futex-requeue-pi.txt .\" -.TH FUTEX 2 2013-07-30 "Linux" "Linux Programmer's Manual" +.TH FUTEX 2 2013-09-04 "Linux" "Linux Programmer's Manual" .SH NAME futex \- fast user-space locking .SH SYNOPSIS @@ -116,8 +116,13 @@ and sleeps awaiting on this futex address. If the .I timeout -argument is non-NULL, its contents describe the minimum -duration of the wait, which is infinite otherwise. +argument is non-NULL, its contents specify the duration of the wait. +(This interval will be rounded up to the system clock granularity, +and kernel scheduling delays mean that the +blocking interval may overrun by a small amount.) +If +.I timeout +is NULL, the call blocks indefinitely. The arguments .I uaddr2 and |