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libthr: Fix pthread_attr_[g|s]etaffinity_np manual.

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Fix my fault in f35093f8.

MFC after:		1 week
This commit is contained in:
Dmitry Chagin 2023-01-29 15:37:18 +03:00
parent 62801712df
commit 2b87addf52
1 changed files with 6 additions and 5 deletions
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11
share/man/man3/pthread_attr_affinity_np.3
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@ -24,7 +24,7 @@
.\"
.\" $FreeBSD$
.\"
.Dd April 27, 2022
.Dd January 29, 2023
.Dt PTHREAD_ATTR_AFFINITY_NP 3
.Os
.Sh NAME
@ -52,16 +52,17 @@ are composed using the
.Dv CPU_SET
macros.
If the user-supplied mask is not large enough to fit all of the matching CPUs,
.Fn cpuset_getaffinity
.Fn pthread_attr_getaffinity_np
fails with
.Er ERANGE .
Calls to
.Fn cpuset_setaffinity
.Fn pthread_attr_setaffinity_np
tolerate masks of any size with no restrictions.
The kernel uses the meaningful part of the mask, where the upper bound is
.Fn pthread_attr_setaffinity_np
uses the meaningful part of the mask, where the upper bound is
the maximum CPU id present in the system.
If bits for non-existing CPUs are set, calls to
.Fn cpuset_setaffinity
.Fn pthread_attr_setaffinity_np
fails with
.Er EINVAL .
.Pp