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POSIX_SPAWNATTR_GETPGROUP(P) POSIX_SPAWNATTR_GETPGROUP(P)
NAME
posix_spawnattr_getpgroup, posix_spawnattr_setpgroup - get and set the spawn-pgroup
attribute of a spawn attributes object (ADVANCED REALTIME)
SYNOPSIS
#include <spawn.h>
int posix_spawnattr_getpgroup(const posix_spawnattr_t *restrict attr,
pid_t *restrict pgroup);
int posix_spawnattr_setpgroup(posix_spawnattr_t *attr, pid_t pgroup);
DESCRIPTION
The posix_spawnattr_getpgroup() function shall obtain the value of the spawn-pgroup
attribute from the attributes object referenced by attr.
The posix_spawnattr_setpgroup() function shall set the spawn-pgroup attribute in an
initialized attributes object referenced by attr.
The spawn-pgroup attribute represents the process group to be joined by the new
process image in a spawn operation (if POSIX_SPAWN_SETPGROUP is set in the spawn-
flags attribute). The default value of this attribute shall be zero.
RETURN VALUE
Upon successful completion, posix_spawnattr_getpgroup() shall return zero and store
the value of the spawn-pgroup attribute of attr into the object referenced by the
pgroup parameter; otherwise, an error number shall be returned to indicate the
error.
Upon successful completion, posix_spawnattr_setpgroup() shall return zero; other-
wise, an error number shall be returned to indicate the error.
ERRORS
These functions may fail if:
EINVAL The value specified by attr is invalid.
The posix_spawnattr_setpgroup() function may fail if:
EINVAL The value of the attribute being set is not valid.
The following sections are informative.
EXAMPLES
None.
APPLICATION USAGE
These functions are part of the Spawn option and need not be provided on all imple-
mentations.
RATIONALE
None.
FUTURE DIRECTIONS
None.
SEE ALSO
posix_spawn() , posix_spawnattr_destroy() , posix_spawnattr_init() , posix_spaw-
nattr_getsigdefault() , posix_spawnattr_getflags() , posix_spawnattr_getsched-
param() , posix_spawnattr_getschedpolicy() , posix_spawnattr_getsigmask() ,
posix_spawnattr_setsigdefault() , posix_spawnattr_setflags() , posix_spaw-
nattr_setschedparam() , posix_spawnattr_setschedpolicy() , posix_spawnattr_setsig-
mask() , posix_spawnp() , the Base Definitions volume of IEEE Std 1003.1-2001,
<spawn.h>
COPYRIGHT
Portions of this text are reprinted and reproduced in electronic form from IEEE Std
1003.1, 2003 Edition, Standard for Information Technology -- Portable Operating
System Interface (POSIX), The Open Group Base Specifications Issue 6, Copyright (C)
2001-2003 by the Institute of Electrical and Electronics Engineers, Inc and The
Open Group. In the event of any discrepancy between this version and the original
IEEE and The Open Group Standard, the original IEEE and The Open Group Standard is
the referee document. The original Standard can be obtained online at
http://www.opengroup.org/unix/online.html .
POSIX 2003 POSIX_SPAWNATTR_GETPGROUP(P)
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