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POSIX_SPAWNATTR_GETPGROUP
Section: POSIX Programmer's Manual (3P)
Updated: 2003
Index
Return to Main Contents
PROLOG
This manual page is part of the POSIX Programmer's Manual.
The Linux implementation of this interface may differ (consult
the corresponding Linux manual page for details of Linux behavior),
or the interface may not be implemented on Linux.
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; otherwise, 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 implementations.
RATIONALE
None.
FUTURE DIRECTIONS
None.
SEE ALSO
posix_spawn(), posix_spawnattr_destroy(), posix_spawnattr_init(),
posix_spawnattr_getsigdefault(), posix_spawnattr_getflags(),
posix_spawnattr_getschedparam(), posix_spawnattr_getschedpolicy(),
posix_spawnattr_getsigmask(), posix_spawnattr_setsigdefault(),
posix_spawnattr_setflags(), posix_spawnattr_setschedparam(),
posix_spawnattr_setschedpolicy(), posix_spawnattr_setsigmask(),
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 .
Index
- PROLOG
-
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUE
-
- ERRORS
-
- EXAMPLES
-
- APPLICATION USAGE
-
- RATIONALE
-
- FUTURE DIRECTIONS
-
- SEE ALSO
-
- COPYRIGHT
-
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