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futex.2: Rearrange order FUTEX_UNLOCK_PI in list of operations 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2015-01-14 12:11:41 +01:00
parent a9dcb4d1de
commit 12fdbe23b2
1 changed files with 12 additions and 5 deletions
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17
man2/futex.2
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@ -689,13 +689,20 @@ arguments are ignored.
.\" Documentation/robust-futexes.txt, is not an error as such. However,
.\" I'm not yet sure of how to describe it in the man page.)
.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
This operation tries to acquire the futex at
.IR uaddr .
It deals with the
situation where the TID value at
.I uaddr
is 0, but the
.B FUTEX_HAS_WAITER
bit is set.
User space cannot handle this race free.
.TP
.BR FUTEX_UNLOCK_PI " (since Linux 2.6.18)"
.\" commit c87e2837be82df479a6bae9f155c43516d2feebc
.\" FIXME to complete
[As yet undocumented]
.TP