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101 lines
3.7 KiB
Groff
101 lines
3.7 KiB
Groff
.\" Copyright (c) 2008 Ed Schouten <ed@FreeBSD.org>
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" Portions of this text are reprinted and reproduced in electronic form
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.\" from IEEE Std 1003.1, 2004 Edition, Standard for Information Technology --
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.\" Portable Operating System Interface (POSIX), The Open Group Base
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.\" Specifications Issue 6, Copyright (C) 2001-2004 by the Institute of
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.\" Electrical and Electronics Engineers, Inc and The Open Group. In the
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.\" event of any discrepancy between this version and the original IEEE and
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.\" The Open Group Standard, the original IEEE and The Open Group Standard is
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.\" the referee document. The original Standard can be obtained online at
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.\" http://www.opengroup.org/unix/online.html.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd March 24, 2008
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.Dt POSIX_SPAWNATTR_GETSCHEDPARAM 3
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.Os
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.Sh NAME
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.Nm posix_spawnattr_getschedparam ,
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.Nm posix_spawnattr_setschedparam
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.Nd "get and set the spawn-schedparam attribute of a spawn attributes object"
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.Sh LIBRARY
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.Lb libc
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.Sh SYNOPSIS
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.In spawn.h
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.Ft int
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.Fn posix_spawnattr_getschedparam "const posix_spawnattr_t *restrict attr" "struct sched_param *restrict schedparam"
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.Ft int
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.Fn posix_spawnattr_setschedparam "posix_spawnattr_t *attr" "const struct sched_param *restrict schedparam"
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.Sh DESCRIPTION
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The
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.Fn posix_spawnattr_getschedparam
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function obtains the value of the spawn-schedparam attribute from the
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attributes object referenced by
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.Fa attr .
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.Pp
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The
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.Fn posix_spawnattr_setschedparam
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function sets the spawn-schedparam attribute in an initialized attributes
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object referenced by
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.Fa attr .
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.Pp
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The spawn-schedparam attribute represents the scheduling parameters to
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be assigned to the new process image in a spawn operation (if
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.Dv POSIX_SPAWN_SETSCHEDULER
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or
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.Dv POSIX_SPAWN_SETSCHEDPARAM
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is set in the spawn-flags attribute).
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The default value of this attribute is unspecified.
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.Sh RETURN VALUES
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The
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.Fn posix_spawnattr_getschedparam
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and
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.Fn posix_spawnattr_setschedparam
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functions return zero.
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.Sh SEE ALSO
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.Xr posix_spawn 3 ,
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.Xr posix_spawnattr_destroy 3 ,
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.Xr posix_spawnattr_getschedpolicy 3 ,
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.Xr posix_spawnattr_init 3 ,
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.Xr posix_spawnattr_setschedpolicy 3 ,
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.Xr posix_spawnp 3
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.Sh STANDARDS
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The
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.Fn posix_spawnattr_getschedparam
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and
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.Fn posix_spawnattr_setschedparam
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functions conform to
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.St -p1003.1-2001 .
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.Sh HISTORY
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The
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.Fn posix_spawnattr_getschedparam
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and
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.Fn posix_spawnattr_setschedparam
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functions first appeared in
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.Fx 8.0 .
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.Sh AUTHORS
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.An Ed Schouten Aq ed@FreeBSD.org
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