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pthread_attr_setname_np(3)


NAME

  pthread_attr_setname_np - Change the object name attribute in a thread
  attributes object


SYNOPSIS

  #include <pthread.h>

  int pthread_attr_setname_np(
	  pthread_attr_t *attr,
	  const char *name,
	  void *mbz );


LIBRARY

  DECthreads POSIX 1003.1c Library (libpthread.so)


PARAMETERS

  attr
      Address of the thread attributes object whose object name attribute is
      to be changed.

  name
      Object name value to copy into the thread attributes object's object
      name attribute.

  mbz Reserved for future use. The value must be zero (0).


DESCRIPTION

  This routine changes the object name attribute in the thread attributes
  object specified by attr to the value specified by name. A new thread
  created using the thread attributes object is initialized with the object
  name that was set in that attributes object.

  The object name is a C language string and provides an identifier that is
  meaningful to a person debugging a DECthreads-based multithreaded
  application.	The maximum number of characters in the object name is 31.

  This routine contrasts with pthread_setname_np, which changes the object
  name in the thread object for 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.

  [EINVAL]
      The value specified by attr is invalid, or the length in characters of
      name exceeds 31.

  [ENOMEM]
      Insufficient memory exists to create a copy of the object name string.


ERRORS

  None


SEE ALSO

  Functions: pthread_attr_getname_np(3), pthread_getname_np(3),
  pthread_setname_np(3)

  Manuals: Guide to DECthreads and Programmer's Guide

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