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pthread_getschedparam(3)


NAME

  pthread_getschedparam - Obtains the current scheduling policy and
  scheduling parameters of a thread


SYNOPSIS

  #include <pthread.h>

  int pthread_getschedparam(
	  pthread_t thread,
	  int *policy,
	  struct sched_param *param );


LIBRARY

  DECthreads POSIX 1003.1c Library (libpthread.so)


STANDARDS

  Interfaces documented on this reference page conform to industry standards
  as follows:

  IEEE Std 1003.1c-1995, POSIX System Application Program Interface


PARAMETERS

  thread
      Thread whose scheduling policy and parameters are obtained.

  policy
      Receives the value of the scheduling policy for the thread specified in
      thread.  Refer to the description of the pthread_setschedparam(3)
      routine for valid parameters and their meanings.

  param
      Receives the value of the scheduling parameters for the thread
      specified in thread. Refer to the description of the
      pthread_setschedparam(3) routine for valid values.


DESCRIPTION

  This routine obtains both the current scheduling policy and associated
  scheduling parameters of the thread specified by the thread argument.

  The priority value returned in the param structure is the value specified
  in the attr argument passed to pthread_create(3) or by the most recent call
  to pthread_setschedparam(3) that affects the target thread.

  This routine differs from pthread_attr_getschedpolicy(3) and
  pthread_attr_getschedparam(3), in that those routines get the scheduling
  policy and parameter attributes that are used to establish the priority and
  scheduling policy of a new thread when it is created. This routine,
  however, obtains the scheduling policy and parameters of an existing
  thread.


RETURN VALUES

  If an error condition occurs, this routine returns an integer value
  indicating the type of error. Possible return values are as follows:

  0   Successful completion.

  [ESRCH]
      The value specified by thread does not refer to an existing thread.


ERRORS

  None


SEE ALSO

  Functions: pthread_attr_getschedparam(3), pthread_attr_getschedpolicy(3),
  pthread_create(3), pthread_self(3), pthread_setschedparam(3)

  Manuals: Guide to DECthreads and Programmer's Guide

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