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+.\" $NetBSD: pthread_attr_getschedparam.3,v 1.3 2017/10/22 16:37:24 abhinav Exp $
+.\"
+.\" Copyright (c) 2010 Jukka Ruohonen <jruohonen@iki.fi>
+.\" All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\"
+.\" 1. Redistributions of source code must retain the above copyright
+.\" notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\" notice, this list of conditions and the following disclaimer in the
+.\" documentation and/or other materials provided with the distribution.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+.\" POSSIBILITY OF SUCH DAMAGE.
+.\"
+.Dd July 7, 2010
+.Dt PTHREAD_ATTR_GETSCHEDPARAM 3
+.Os
+.Sh NAME
+.Nm pthread_attr_getschedparam ,
+.Nm pthread_attr_setschedparam ,
+.Nm pthread_attr_getschedpolicy ,
+.Nm pthread_attr_setschedpolicy
+.Nd get and set scheduling attributes
+.Sh LIBRARY
+.Lb libpthread
+.Sh SYNOPSIS
+.In pthread.h
+.Ft int
+.Fn pthread_attr_getschedparam \
+"const pthread_attr_t * restrict attr" "struct sched_param * restrict param"
+.Ft int
+.Fn pthread_attr_setschedparam \
+"pthread_attr_t *attr" "const struct sched_param *param"
+.Ft int
+.Fn pthread_attr_getschedpolicy \
+"const pthread_attr_t * restrict attr" "int * restrict policy"
+.Ft int
+.Fn pthread_attr_setschedpolicy "pthread_attr_t *attr" "int policy"
+.Sh DESCRIPTION
+The
+.Fn pthread_attr_getschedparam
+and
+.Fn pthread_attr_setschedparam
+functions obtain and set the scheduling parameter attribute in the
+.Fa attr
+object.
+The
+.Vt sched_param
+structure is defined in
+.In sched.h .
+At minimum this structure contains only a single member,
+.Vt sched_priority .
+Refer to
+.Xr pthread_schedparam 3
+and
+.Xr sched 3
+for additional details.
+.Pp
+The
+.Fn pthread_attr_getschedpolicy
+and
+.Fn pthread_attr_setschedpolicy
+functions get and set the scheduling policy attribute,
+.Fa policy ,
+in the
+.Fa attr
+object.
+The supported values of
+.Fa policy
+are the same ones listed in
+.Xr pthread_schedparam 3 .
+.Sh RETURN VALUES
+If successful, all described functions return 0.
+Otherwise, an error number is returned to indicate the error.
+.Sh ERRORS
+The
+.Fn pthread_attr_getschedparam
+function may fail if:
+.Bl -tag -width Er
+.It Bq Er EINVAL
+An invalid parameter was specified.
+.El
+.Pp
+The
+.Fn pthread_attr_setschedparam
+function may fail if:
+.Bl -tag -width Er
+.It Bq Er EINVAL
+An invalid parameter was specified.
+.It Bq Er ENOMEM
+There was insufficient memory.
+.El
+.Pp
+The
+.Fn pthread_attr_setschedpolicy
+function may fail if:
+.Bl -tag -width Er
+.It Bq Er ENOMEM
+There was insufficient memory.
+.It Bq Er ENOTSUP
+An unsupported
+.Fa policy
+was specified.
+.El
+.Pp
+No errors are defined for
+.Fn pthread_attr_getschedpolicy .
+.Sh SEE ALSO
+.Xr pthread_attr 3 ,
+.Xr pthread_schedparam 3 ,
+.Xr sched 3
+.Sh STANDARDS
+These functions conform to
+.St -p1003.1-2008 .