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futex.2: Rework FUTEX_CLOCK_REALTIME text 

And move ENOSYS diuscussion to ERRORS.

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2015-01-12 12:52:28 +01:00
parent d67e21f5e2
commit 4a7e5b05cc
1 changed files with 11 additions and 1 deletions
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man2/futex.2
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@ -128,7 +128,7 @@ taking reference counts on file backing store, and so on.
.TP
.BR FUTEX_CLOCK_REALTIME " (since Linux 2.6.28)"
.\" commit 1acdac104668a0834cfa267de9946fac7764d486
This option bit can be employed with the
This option bit can be employed only with the
.BR FUTEX_WAIT_BITSET
and
.BR FUTEX_WAIT_REQUEUE_PI
@ -424,6 +424,16 @@ The system limit on the total number of open files has been reached.
Invalid operation specified in
.IR op .
.TP
.B ENOSYS
The
.BR FUTEX_CLOCK_REALTIME
option was specified in
.I op ,
but the accompanying operation was neither
.BR FUTEX_WAIT_BITSET
nor
.BR FUTEX_WAIT_REQUEUE_PI .
.TP
.B ETIMEDOUT
.RB ( FUTEX_WAIT )
The operation timed out.