Index for Section 3

Alphabetical listing for C

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class_create(3)
NAME
  class_create - create a new scheduling class

SYNOPSIS
  #include <apar_types.h>
  #include <sys/class.h>

  class_create(
	  class_apar_handle_t handle,
	  char *class_name,
	  struct resource_limits *limits );

LIBRARY
  Scheduling Class Library (libclass.a)

  This library is not available as a shared library.

PARAMETERS
  handle
      The partition descriptor returned by class_open().

  class_name
      The name of the class to change.

  limits
      The input is the new resource limits, the output is the resources
      available.

DESCRIPTION
  Create a new class. The created class will be empty. Use class_add() to
  populate the class. If the requested percentage causes the total percentage
  of all classes to exceed 100%, the call will fail and avail will contain
  the remaining percentage available.

  Specify CLASS_RESOURCE_SCHED_DISABLED for the target limit of any resource
  that is not needed.

  Note that the calling process must have root access privileges.

RETURN VALUES
  [CLASS_SUCCESS]
      The operation completed successfully.

  [CLASS_INVAL_PARTITION]
      An invalid partition handle was specified.

  [CLASS_NAME_INVALID]
      The class_name is not an ASCII string.

  [CLASS_NAME_IN_USE]
      The class_name already exists.

  [CLASS_NO_SPACE]
      No space was available in class_name.

  [CLASS_INVAL_PERCENT]
      The requested percentage was not in the range 0 - 100 or was not
      CLASS_RESOURCE_SCHED_DISABLED or CLASS_RESOURCE_SCHED_DISABLED.

  [CLASS_TOO_HIGH_PERCENT]
      The requested percentage was not available. The struct resource_percent
      <xxx-available> (where xxx is an integer in the range 0-100
      representing percentage) will contain the maximum available percentage.

SEE ALSO
  Commands: runclass(1), class_admin(8)

  Functions: class_add(3), class_change(3), class_close(3), class_open(3),
  class_configure(3), class_get_config_stats(3), class_delete(3),
  class_destroy(3), class_disable(3), class_enable(3),
  class_save_database(3), class_restore_database(3), class_load_database(3),
  class_change_name(3), class_database_file_exists(3),
  class_database_name(3), class_database_modified(3), class_get_classes(3),
  class_get_class_members(3)

  Files: class_scheduling(4)

  System Administration

Index for Section 3

Alphabetical listing for C

Top of page