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futex.2: Note that 'op' argument consists of two parts: operation + options 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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Michael Kerrisk 2015-01-12 08:22:31 +01:00
parent 5c47973251
commit 6be4bad7e0
1 changed files with 10 additions and 1 deletions
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man2/futex.2
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@ -107,7 +107,16 @@ The operation to execute is passed via the
argument, along with a value
.IR val .
.PP
The following operations are currently defined:
The
.I op
argument consists of two parts:
a command that specifies the operation to be performed,
bit-wise ORed with zero or or more options that
modify the behaviour of the operation.
.PP
The operation specified in
.I op
is one of the following:
.TP
.B FUTEX_WAIT
This operation atomically verifies that the futex address