centos man page for posix_spawnattr_setschedparam

POSIX_SPAWNATTR_GETSCHEDPARAM(3P)			     POSIX Programmer's Manual				 POSIX_SPAWNATTR_GETSCHEDPARAM(3P)

PROLOG
       This  manual page is part of the POSIX Programmer's Manual.  The Linux implementation of this interface may differ (consult the correspond-
       ing Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux.

NAME
       posix_spawnattr_getschedparam, posix_spawnattr_setschedparam - get and set the spawn-schedparam attribute  of  a  spawn	attributes  object
       (ADVANCED REALTIME)

SYNOPSIS
       #include <spawn.h>
       #include <sched.h>

       int posix_spawnattr_getschedparam(const posix_spawnattr_t *
	      restrict attr, struct sched_param *restrict schedparam);
       int posix_spawnattr_setschedparam(posix_spawnattr_t *restrict attr,
	      const struct sched_param *restrict schedparam);

DESCRIPTION
       The posix_spawnattr_getschedparam() function shall obtain the value of the spawn-schedparam attribute from the attributes object referenced
       by attr.

       The posix_spawnattr_setschedparam() function shall set the spawn-schedparam attribute in an initialized	attributes  object  referenced	by
       attr.

       The  spawn-schedparam  attribute  represents  the  scheduling  parameters  to be assigned to the new process image in a spawn operation (if
       POSIX_SPAWN_SETSCHEDULER or POSIX_SPAWN_SETSCHEDPARAM is set in the spawn-flags attribute). The default value of this attribute is unspeci-
       fied.

RETURN VALUE
       Upon successful completion, posix_spawnattr_getschedparam() shall return zero and store the value of the spawn-schedparam attribute of attr
       into the object referenced by the schedparam parameter; otherwise, an error number shall be returned to indicate the error.

       Upon successful completion, posix_spawnattr_setschedparam() 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_setschedparam() 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 and Process Scheduling options 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_spaw-
       nattr_getpgroup(), posix_spawnattr_getschedpolicy(),  posix_spawnattr_getsigmask(),  posix_spawnattr_setsigdefault(),  posix_spawnattr_set-
       flags(),  posix_spawnattr_setpgroup(), posix_spawnattr_setschedpolicy(), posix_spawnattr_setsigmask(), posix_spawnp(), the Base Definitions
       volume of IEEE Std 1003.1-2001, <sched.h>, <spawn.h>

COPYRIGHT
       Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2003 Edition, Standard for Information Technol-
       ogy -- 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 .

IEEE
/The Open Group						       2003					 POSIX_SPAWNATTR_GETSCHEDPARAM(3P)