pthread_setschedparam man page on HP-UX

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pthread_getschedparam(3T)			     pthread_getschedparam(3T)

NAME
       pthread_getschedparam(),	 pthread_setschedparam()  -  get  or  set  the
       scheduling policy and associated parameters

SYNOPSIS
PARAMETERS
	      thread	The thread  whose  scheduling  policy  and  associated
			parameters are to be set/retrieved.

	      policy	This  parameter	 either	 points to the memory location
			where the scheduling policy of thread is returned (get
			function)  or it specifies the new value of the sched‐
			uling policy for thread (set function).

	      param	This parameter either points to	 the  memory  location
			where the scheduling parameters of thread are returned
			(get function) or  it  specifies  the  new  scheduling
			parameters for thread (set function).

DESCRIPTION
       These  functions	 allow the scheduling policy and associated parameters
       of threads within a multithreaded process to be retrieved and  changed.
       The  legal  values  for the scheduling policy and associated scheduling
       parameters are defined in

       changes the scheduling policy and associated scheduling parameters  for
       thread  to  the policy and the associated parameters provided in policy
       and param, respectively.	 On HP-UX, appropriate privileges are required
       to  change  the scheduling parameters of a thread.  The calling process
       must have appropriate privileges or be  a  member  of  a	 group	having
       access to successfully call

       The  function retrieves the scheduling policy and associated parameters
       for thread and stores those values in policy and	 param,	 respectively.
       The  values  returned  represent	 the actual scheduling values, not any
       temporary values that may be in effect due to priority  inheritance  or
       priority ceiling features.

   Notes
       For  the and scheduling policies, only the sched_priority member of the
       structure is required in the  associated	 scheduling  parameters.   All
       other  scheduling policies have implementation-defined scheduling poli‐
       cies.  Refer to the documentation for rtsched(2) and for further infor‐
       mation on implementation-defined scheduling policies.

RETURN VALUE
       Upon  successful completion, and return zero.  Otherwise, an error num‐
       ber is returned to indicate the error (the variable is not set).

ERRORS
       If any of the following occur, the and functions return the correspond‐
       ing error number:

	      is not defined and these functions are not supported.

       For each of the following conditions, if the condition is detected, the
       function returns the corresponding error number:

	      policy	     or one of the scheduling parameters in  param  is
			     invalid.

	      Either the policy or scheduling parameters contain an
			     unsupported value.

	      The caller does not have permission to set either the
			     scheduling	 policy	 specified  in	policy	or the
			     scheduling	 parameters  specified	in  param  for
			     thread.

	      No thread could be found corresponding to
			     thread.

       For each of the following conditions, if the condition is detected, the
       function returns the corresponding error number:

	      No thread could be found corresponding to
			     thread.

	      The value specified by
			     policy or param is invalid.

AUTHOR
       and were derived from the IEEE POSIX P1003.1c standard.

SEE ALSO
       pthread_attr_setschedparam(3T),	      pthread_attr_setschedpolicy(3T),
       pthread_attr_getschedparam(3T),	      pthread_attr_getschedpolicy(3T),
       rtsched(2).

STANDARDS CONFORMANCE
				Pthread Library	     pthread_getschedparam(3T)
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