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futex.2: Rename 'op' argument to 'futex_op' 

This is a little more readable, and also helps avoid confusing
when talking about the 'op' subfield in the FUTEX_WAKE_OP
discussion.

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2015-01-12 15:40:43 +01:00
parent 9a12ca2185
commit d33602c4e0
1 changed files with 8 additions and 9 deletions
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17
man2/futex.2
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@ -59,9 +59,8 @@ futex \- fast user-space locking
.B "#include <linux/futex.h>"
.B "#include <sys/time.h>"
.sp
.BI "int futex(int *" uaddr ", int " op ", int " val \
", const struct timespec *" timeout ,
.br
.BI "int futex(int *" uaddr ", int " futex_op ", int " val ,
.BI " const struct timespec *" timeout ,
.BI " int *" uaddr2 ", int " val3 );
.\" int *? void *? u32 *?
.fi
@ -108,13 +107,13 @@ argument, along with a value
.IR val .
.PP
The
.I op
.I futex_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.
The options that may be included in
.I op
.I futex_op
are as follows:
.TP
.BR FUTEX_PRIVATE_FLAG " (since Linux 2.6.22)"
@ -147,7 +146,7 @@ measured against the
clock.
.PP
The operation specified in
.I op
.I futex_op
is one of the following:
.TP
.BR FUTEX_WAIT " (since Linux 2.6.0)"
@ -458,13 +457,13 @@ The system limit on the total number of open files has been reached.
.TP
.B ENOSYS
Invalid operation specified in
.IR op .
.IR futex_op .
.TP
.B ENOSYS
The
.BR FUTEX_CLOCK_REALTIME
option was specified in
.I op ,
.I futex_op ,
but the accompanying operation was neither
.BR FUTEX_WAIT_BITSET
nor
@ -475,7 +474,7 @@ nor
The operation timed out.
.TP
.B EWOULDBLOCK
.I op
.I futex_op
was
.BR FUTEX_WAIT
and the value pointed to by