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Document that rtprio(2) and rtprio_thread(2) can fail with EFAULT

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due to the invoked copyout(9).

Reviewed by:	davidxu
This commit is contained in:
Kevin Lo 2012-11-16 09:56:25 +00:00
parent 134eb42e24
commit b95b21c7ab
1 changed files with 10 additions and 2 deletions
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12
lib/libc/sys/rtprio.2
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@ -145,13 +145,21 @@ Higher real/idle priority threads
preempt lower real/idle priority threads. preempt lower real/idle priority threads.
Threads of equal real/idle priority are run round-robin. Threads of equal real/idle priority are run round-robin.
.Sh RETURN VALUES .Sh RETURN VALUES
.Rv -std rtprio .Rv -std rtprio rtprio_thread
.Sh ERRORS .Sh ERRORS
The The
.Fn rtprio .Fn rtprio
system call and
.Fn rtprio_thread
system calls
will fail if: will fail if:
.Bl -tag -width Er .Bl -tag -width Er
.It Bq Er EFAULT
The rtp pointer passed to
.Fn rtprio
or
.Fn rtprio_thread
was invalid.
.It Bq Er EINVAL .It Bq Er EINVAL
The specified The specified
.Fa prio .Fa prio