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Various fixes.

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This commit is contained in:
Christian Brueffer 2010-01-12 18:07:12 +00:00
parent 7964930201
commit d49bbd73ff
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=202162
2 changed files with 21 additions and 20 deletions
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17
share/man/man3/pthread_affinity_np.3
View File

@ -25,7 +25,7 @@
.\"
.\" $FreeBSD$
.\"
.Dd January 8, 2010
.Dd January 12, 2010
.Dt PTHREAD_AFFINITY_NP 3
.Os
.Sh NAME
@ -44,17 +44,17 @@
.Fn pthread_getaffinity_np
and
.Fn pthread_setaffinity_np
allow the manipulation of sets of CPUs available to specified thread.
allow the manipulation of sets of CPUs available to the specified thread.
.Pp
Masks of type
.Ft cpuset_t
are composed using the
.Xr CPU_SET 2
.Xr CPU_SET 3
macros.
The kernel tolerates large sets as long as all CPUs specified
in the set exist.
Sets smaller than the kernel uses generate an error on calls to
.Fn pthread_getaffinity_np
.Fn pthread_getaffinity_np
even if the result set would fit within the user supplied set.
Calls to
.Fn pthread_setaffinity_np
@ -75,14 +75,13 @@ retrieves the
mask from the thread specified by
.Fa td ,
and stores it in the space provided by
.Fa cpumaskp .
.Fa cpusetp .
.Pp
.Fn pthread_setaffinity_np
attempts to set the mask for the thread specified by
.Fa td
to the value in
.Fa cpumaskp .
.Pp
.Fa cpusetp .
.Sh RETURN VALUES
If successful, the
.Fn pthread_getaffinity_np
@ -105,7 +104,7 @@ call would leave a thread without a valid CPU to run on because the set
does not overlap with the thread's anonymous mask.
.It Bq Er EFAULT
The
.Fa cpumaskp
.Fa cpusetp
pointer passed was invalid.
.It Bq Er ESRCH
The thread specified by the
@ -127,7 +126,7 @@ operation.
.Xr CPU_SET 3 ,
.Xr pthread 3 ,
.Xr pthread_attr_get_affinity_np 3 ,
.Xr pthread_attr_set_affinity_np 3 .
.Xr pthread_attr_set_affinity_np 3
.Sh STANDARDS
The
.Nm pthread_getaffinity_np

24
share/man/man3/pthread_attr_affinity_np.3
View File

@ -31,7 +31,7 @@
.Sh NAME
.Nm pthread_attr_getaffinity_np ,
.Nm pthread_attr_setaffinity_np
.Nd manage CPU affinity in thread attribute object
.Nd manage CPU affinity in thread attribute objects
.Sh LIBRARY
.Lb libpthread
.Sh SYNOPSIS
@ -41,20 +41,21 @@
.Ft int
.Fn pthread_attr_setaffinity_np "pthread_attr_t *pattr" "size_t cpusetsize" "const cpuset_t *cpusetp"
.Sh DESCRIPTION
The
.Fn pthread_attr_getaffinity_np
and
.Fn pthread_attr_setaffinity_np
allow the manipulation of sets of CPUs available to specified thread attribute object.
functions allow the manipulation of sets of CPUs available to the specified thread attribute object.
.Pp
Masks of type
.Ft cpuset_t
are composed using the
.Xr CPU_SET 2
.Xr CPU_SET 3
macros.
The kernel tolerates large sets as long as all CPUs specified
in the set exist.
Sets smaller than the kernel uses generate an error on calls to
.Fn pthread_attr_getaffinity_np
.Fn pthread_attr_getaffinity_np
even if the result set would fit within the user supplied set.
Calls to
.Fn pthread_attr_setaffinity_np
@ -75,14 +76,13 @@ retrieves the
mask from the thread attribute object specified by
.Fa pattr ,
and stores it in the space provided by
.Fa cpumaskp .
.Fa cpusetp .
.Pp
.Fn pthread_attr_setaffinity_np
set the mask for the thread attribute object specified by
sets the mask for the thread attribute object specified by
.Fa pattr
to the value in
.Fa cpumaskp .
.Pp
.Fa cpusetp .
.Sh RETURN VALUES
If successful, the
.Fn pthread_attr_getaffinity_np
@ -101,7 +101,8 @@ functions will fail if:
.It Bq Er EINVAL
The
.Fa pattr
or the attribute specified by it is NULL.
or the attribute specified by it is
.Dv NULL .
.El
.Pp
The
@ -111,7 +112,8 @@ function will fail if:
.It Bq Er EINVAL
The
.Fa pattr
or the attribute specified by it is NULL.
or the attribute specified by it is
.Dv NULL .
.It Bq Er ENOMEM
Insufficient memory exists to store the cpuset mask.
.El
@ -122,7 +124,7 @@ Insufficient memory exists to store the cpuset mask.
.Xr cpuset_setid 2 ,
.Xr CPU_SET 3 ,
.Xr pthread_get_affinity_np 3 ,
.Xr pthread_set_affinity_np 3 .
.Xr pthread_set_affinity_np 3
.Sh STANDARDS
The
.Nm pthread_attr_getaffinity_np