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.TH POSIX_SPAWNATTR_GETPGROUP 3C "Jan 30, 2004"
.SH NAME
posix_spawnattr_getpgroup, posix_spawnattr_setpgroup \- get and set
spawn-pgroup attribute of spawn attributes object
.SH SYNOPSIS
.LP
.nf
#include <spawn.h>

\fBint\fR \fBposix_spawnattr_getpgroup\fR(\fBconst posix_spawnattr_t *restrict\fR \fIattr\fR,
     \fBpid_t *restrict\fR \fIpgroup\fR);
.fi

.LP
.nf
\fBint\fR \fBposix_spawnattr_setpgroup\fR(\fBposix_spawnattr_t *\fR\fIattr\fR, \fBpid_t\fR \fIpgroup\fR);
.fi

.SH DESCRIPTION
.sp
.LP
The \fBposix_spawnattr_getpgroup()\fR function obtains the value of the
\fIspawn-pgroup\fR attribute from the attributes object referenced by
\fIattr\fR.
.sp
.LP
The \fBposix_spawnattr_setpgroup()\fR function sets the \fIspawn-pgroup\fR
attribute in an initialized attributes object referenced by \fIattr\fR.
.sp
.LP
The \fIspawn-pgroup\fR attribute represents the process group to be joined by
the new process image in a spawn operation (if \fBPOSIX_SPAWN_SETPGROUP\fR is
set in the \fIspawn-flags\fR attribute). The default value of this attribute is
zero.
.SH RETURN VALUES
.sp
.LP
Upon successful completion, \fBposix_spawnattr_getpgroup()\fR returns 0 and
stores the value of the \fIspawn-pgroup\fR attribute of \fIattr\fR into the
object referenced by the \fIpgroup\fR parameter. Otherwise, an error number is
returned to indicate the error.
.sp
.LP
Upon successful completion, \fBposix_spawnattr_setpgroup()\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
.na
\fB\fBEINVAL\fR\fR
.ad
.RS 10n
The value specified by \fIattr\fR is invalid.
.RE

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

.SH ATTRIBUTES
.sp
.LP
See \fBattributes\fR(7) for descriptions of the following attributes:
.sp

.sp
.TS
box;
c | c
l | l .
ATTRIBUTE TYPE	ATTRIBUTE VALUE
_
Interface Stability	Standard
_
MT-Level	MT-Safe
.TE

.SH SEE ALSO
.sp
.LP
\fBposix_spawn\fR(3C), posix_spawnattr_getpgroup(3C),
posix_spawnattr_getpgroup(3C), \fBposix_spawnattr_getschedparam\fR(3C),
.BR posix_spawnattr_getschedpolicy (3C),
.BR posix_spawnattr_getsigdefault (3C),
.BR posix_spawnattr_getsigmask (3C),
.BR attributes (7),
.BR standards (7)