'\" te
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.TH posix_spawnattr_getschedpolicy 3C "30 Jan 2004" "SunOS 5.11" "Standard C Library Functions"
.SH NAME
posix_spawnattr_getschedpolicy, posix_spawnattr_setschedpolicy \- get and set
spawn-schedpolicy attribute of spawn attributes object
.SH SYNOPSIS
.LP
.nf
#include <spawn.h>
#include <sched.h>

\fBint\fR \fBposix_spawnattr_getschedpolicy\fR(
     \fBconst posix_spawnattr_t *restrict\fR \fIattr\fR,
     \fBint *restrict\fR \fIschedpolicy\fR);
.fi

.LP
.nf
\fBint\fR \fBposix_spawnattr_setschedpolicy\fR(\fBposix_spawnattr_t *\fR\fIattr\fR,
     \fBint\fR \fIschedpolicy\fR);
.fi

.SH DESCRIPTION
.sp
.LP
The \fBposix_spawnattr_getschedpolicy()\fR function obtains the value of the
\fIspawn-schedpolicy\fR attribute from the attributes object referenced by
\fIattr\fR.
.sp
.LP
The \fBposix_spawnattr_setschedpolicy()\fR function sets the
\fIspawn-schedpolicy\fR attribute in an initialized attributes object
referenced by \fIattr\fR.
.sp
.LP
The \fIspawn-schedpolicy\fR attribute represents the scheduling policy to be
assigned to the new process image in a spawn operation (if
\fBPOSIX_SPAWN_SETSCHEDULER\fR is set in the \fIspawn-flags\fR attribute). The
default value of this attribute is unspecified.
.SH RETURN VALUES
.sp
.LP
Upon successful completion, \fBposix_spawnattr_getschedpolicy()\fR returns 0
and stores the value of the \fIspawn-schedpolicy\fR attribute of \fIattr\fR
into the object referenced by the \fIschedpolicy\fR parameter. Otherwise, an
error number is returned to indicate the error.
.sp
.LP
Upon successful completion, \fBposix_spawnattr_setschedpolicy()\fR returns 0.
Otherwise, an error number is returned to indicate the error.
.SH ERRORS
.sp
.LP
These functions may fail if:
.sp
.ne 2
.mk
.na
\fB\fBEINVAL\fR\fR
.ad
.RS 10n
.rt  
The value specified by \fIattr\fR is invalid.
.RE

.sp
.LP
The \fBposix_spawnattr_setschedpolicy()\fR function may fail if:
.sp
.ne 2
.mk
.na
\fB\fBEINVAL\fR\fR
.ad
.RS 10n
.rt  
The value of the attribute being set is not valid.
.RE

.SH ATTRIBUTES
.sp
.LP
See \fBattributes\fR(5) for descriptions of the following attributes:
.sp

.sp
.TS
tab() box;
cw(2.75i) |cw(2.75i) 
lw(2.75i) |lw(2.75i) 
.
ATTRIBUTE TYPEATTRIBUTE VALUE
_
Interface StabilityStandard
_
MT-LevelMT-Safe
.TE

.SH SEE ALSO
.sp
.LP
\fBposix_spawn\fR(3C), \fBposix_spawnattr_destroy\fR(3C),
\fBposix_spawnattr_getflags\fR(3C), \fBposix_spawnattr_getpgroup\fR(3C),
\fBposix_spawnattr_getschedparam\fR(3C),
\fBposix_spawnattr_getsigdefault\fR(3C), \fBposix_spawnattr_getsigmask\fR(3C),
\fBattributes\fR(5), \fBstandards\fR(5)