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futex.2: ERRORS: add FUTEX_CMP_REQUEUE to EINVAL for non-4-byte aligned address 

Reported-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2014-06-04 10:25:57 +02:00
parent 98fe2f25d2
commit a1f47699ab
1 changed files with 6 additions and 3 deletions
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9
man2/futex.2
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@ -217,7 +217,7 @@ so
.B FUTEX_CMP_REQUEUE
was introduced.
.\" FIXME should there be a stetement in the description of FUTEX_REQUEUE
.\" FUTEX_REQUEUE to say that it should be avoided in favor of FUTEX_CMP_REQUEUE?
.\" to say that it should be avoided in favor of FUTEX_CMP_REQUEUE?
This operation is similar to
.BR FUTEX_REQUEUE ,
but first checks whether the location
@ -305,10 +305,13 @@ was not less than 1000,000,000).
.B EINVAL
.RB ( FUTEX_WAIT ,
.BR FUTEX_WAKE ,
.BR FUTEX_REQUEUE )
.BR FUTEX_REQUEUE ,
.BR FUTEX_CMP_REQUEUE )
.I uaddr
or (for
.BR FUTEX_REQUEUE )
.BR FUTEX_REQUEUE
and
.BR FUTEX_CMP_REQUEUE )
.I uaddr2
does not point to a valid object\(emthat is,
the address is not 4-byte-aligned.