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| author | Darren Hart <dvhart@linux.intel.com> | 2015-01-14 18:02:54 +0100 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2015-12-15 14:39:44 +0100 |
| commit | f812a08b1dfaec4fee41da072db77abd2da2fd2e (patch) | |
| tree | 47ebf1e3f512fcf676e3a4c8ce0f0c11da70b199 | |
| parent | 084744ef246904fce9e010846a5a60167f6afb8c (diff) | |
| download | man-pages-f812a08b1dfaec4fee41da072db77abd2da2fd2e.tar.gz | |
futex.2: Describe FUTEX_CMP_REQUEUE_PI
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
| -rw-r--r-- | man2/futex.2 | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/man2/futex.2 b/man2/futex.2 index b481c452d2..9a1c3eb622 100644 --- a/man2/futex.2 +++ b/man2/futex.2 @@ -817,7 +817,20 @@ arguments are ignored. .BR FUTEX_CMP_REQUEUE_PI " (since Linux 2.6.31)" .\" commit 52400ba946759af28442dee6265c5c0180ac7122 .\" FIXME to complete -[As yet undocumented] + +This operation is a PI-aware variant of +.BR FUTEX_CMP_REQUEUE . +It requeues waiters that are blocked via +.B FUTEX_WAIT_REQUEUE_PI +on +.I uaddr +from a non-PI source futex +.RI ( uaddr ) +to a PI target futex +.RI ( uaddr2 ). + + + .TP .BR FUTEX_WAIT_REQUEUE_PI " (since Linux 2.6.31)" .\" commit 52400ba946759af28442dee6265c5c0180ac7122 |