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| author | Michael Kerrisk <mtk.manpages@gmail.com> | 2015-01-12 10:27:13 +0100 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2015-12-15 14:39:40 +0100 |
| commit | d67e21f5e25d410820187e97f588a45df6f1112d (patch) | |
| tree | d6f0b7d392a11d97cd0b7d7580e0b477f9ef5375 /man2/futex.2 | |
| parent | 2e98bbc24ada9e2e8fe0266d86b6ef0b4df321e0 (diff) | |
| download | man-pages-d67e21f5e25d410820187e97f588a45df6f1112d.tar.gz | |
futex.2: Add placeholders for as yet undocumented operations
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
Diffstat (limited to 'man2/futex.2')
| -rw-r--r-- | man2/futex.2 | 44 |
1 files changed, 41 insertions, 3 deletions
diff --git a/man2/futex.2 b/man2/futex.2 index aee1e16a5f..9f1a830fc4 100644 --- a/man2/futex.2 +++ b/man2/futex.2 @@ -141,9 +141,7 @@ time based on If this option is not set, the kernel treats the user space supplied timeout as relative time. - -If this is set on any other operation than the supported ones, -the kernel returns ENOSYS! +.\" FIXME a relative time based on what clock? .PP The operation specified in .I op @@ -181,6 +179,11 @@ the futex and executes the .B FUTEX_WAKE operation. .TP +.BR FUTEX_WAIT_BITSET " (since Linux 2.6.25)" +.\" commit cd689985cf49f6ff5c8eddc48d98b9d581d9475d +.\" FIXME TO complete +[As yet undocumented] +.TP .B FUTEX_WAKE This operation wakes at most \fIval\fP processes waiting on this futex address (i.e., inside @@ -199,6 +202,31 @@ this is executed if incrementing the count showed that there were waiters, once the futex value has been set to 1 (indicating that it is available). .TP +.BR FUTEX_WAKE_OP " (since Linux 2.6.14)" +.\" commit 4732efbeb997189d9f9b04708dc26bf8613ed721 +.\" FIXME to complete +[As yet undocumented] +.TP +.BR FUTEX_WAKE_BITSET " (since Linux 2.6.25)" +.\" commit cd689985cf49f6ff5c8eddc48d98b9d581d9475d +.\" FIXME TO complete +[As yet undocumented] +.TP +.BR FUTEX_LOCK_PI " (since Linux 2.6.18)" +.\" commit c87e2837be82df479a6bae9f155c43516d2feebc +.\" FIXME to complete +[As yet undocumented] +.TP +.BR FUTEX_UNLOCK_PI " (since Linux 2.6.18)" +.\" commit c87e2837be82df479a6bae9f155c43516d2feebc +.\" FIXME to complete +[As yet undocumented] +.TP +.BR FUTEX_TRYLOCK_PI " (since Linux 2.6.18)" +.\" commit c87e2837be82df479a6bae9f155c43516d2feebc +.\" FIXME to complete +[As yet undocumented] +.TP .BR FUTEX_FD " (present up to and including Linux 2.6.25)" To support asynchronous wakeups, this operation associates a file descriptor with a futex. @@ -276,6 +304,16 @@ and .I timeout are as for .BR FUTEX_REQUEUE . +.TP +.BR FUTEX_CMP_REQUEUE_PI " (since Linux 2.6.31)" +.\" commit 52400ba946759af28442dee6265c5c0180ac7122 +.\" FIXME to complete +[As yet undocumented] +.TP +.BR FUTEX_WAIT_REQUEUE_PI " (since Linux 2.6.31)" +.\" commit 52400ba946759af28442dee6265c5c0180ac7122 +.\" FIXME to complete +[As yet undocumented] .SH RETURN VALUE .PP In the event of an error, all operations return \-1, and set |