1.\" Copyright (c) 2008 Ed Schouten <ed@FreeBSD.org> 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" Portions of this text are reprinted and reproduced in electronic form 26.\" from IEEE Std 1003.1, 2004 Edition, Standard for Information Technology -- 27.\" Portable Operating System Interface (POSIX), The Open Group Base 28.\" Specifications Issue 6, Copyright (C) 2001-2004 by the Institute of 29.\" Electrical and Electronics Engineers, Inc and The Open Group. In the 30.\" event of any discrepancy between this version and the original IEEE and 31.\" The Open Group Standard, the original IEEE and The Open Group Standard is 32.\" the referee document. The original Standard can be obtained online at 33.\" http://www.opengroup.org/unix/online.html. 34.\" 35.\" $FreeBSD: src/lib/libc/gen/posix_spawnattr_getschedparam.3,v 1.1 2008/07/28 02:22:19 davidxu Exp $ 36.\" 37.Dd April 7, 2009 38.Dt POSIX_SPAWNATTR_GETSCHEDPARAM 3 39.Os 40.Sh NAME 41.Nm posix_spawnattr_getschedparam , 42.Nm posix_spawnattr_setschedparam 43.Nd "get and set the spawn-schedparam attribute of a spawn attributes object" 44.Sh LIBRARY 45.Lb libc 46.Sh SYNOPSIS 47.In spawn.h 48.Ft int 49.Fn posix_spawnattr_getschedparam "const posix_spawnattr_t *restrict attr" "struct sched_param *restrict schedparam" 50.Ft int 51.Fn posix_spawnattr_setschedparam "posix_spawnattr_t *attr" "const struct sched_param *restrict schedparam" 52.Sh DESCRIPTION 53The 54.Fn posix_spawnattr_getschedparam 55function obtains the value of the spawn-schedparam attribute from the 56attributes object referenced by 57.Fa attr . 58.Pp 59The 60.Fn posix_spawnattr_setschedparam 61function sets the spawn-schedparam attribute in an initialized attributes 62object referenced by 63.Fa attr . 64.Pp 65The spawn-schedparam attribute represents the scheduling parameters to 66be assigned to the new process image in a spawn operation (if 67.Dv POSIX_SPAWN_SETSCHEDULER 68or 69.Dv POSIX_SPAWN_SETSCHEDPARAM 70is set in the spawn-flags attribute). 71The default value of this attribute is unspecified. 72.Sh RETURN VALUES 73The 74.Fn posix_spawnattr_getschedparam 75and 76.Fn posix_spawnattr_setschedparam 77functions return zero. 78.Sh SEE ALSO 79.Xr posix_spawn 3 , 80.Xr posix_spawnattr_destroy 3 , 81.Xr posix_spawnattr_getschedpolicy 3 , 82.Xr posix_spawnattr_init 3 , 83.Xr posix_spawnattr_setschedpolicy 3 , 84.Xr posix_spawnp 3 85.Sh STANDARDS 86The 87.Fn posix_spawnattr_getschedparam 88and 89.Fn posix_spawnattr_setschedparam 90functions conform to 91.St -p1003.1-2001 . 92.Sh HISTORY 93The 94.Fn posix_spawnattr_getschedparam 95and 96.Fn posix_spawnattr_setschedparam 97functions first appeared in 98.Fx 8.0 . 99.Sh AUTHORS 100.An Ed Schouten Aq ed@FreeBSD.org 101