pthread_attr_getname_np(3) [osf1 man page]

pthread_attr_getname_np(3)				     Library Functions Manual					pthread_attr_getname_np(3)

NAME

       pthread_attr_getname_np - Obtain the object name attribute in a thread attributes object.

LIBRARY

       DECthreads POSIX 1003.1c Library (libpthread.so)

SYNOPSIS

       #include <pthread.h>

       int   pthread_attr_getname_np(
			     const pthread_attr_t      *attr,
			     char		       *name,
			     size_t		       len,
			     void		       **mbz);

PARAMETERS

       Address of the thread attributes object whose object name attribute is to be obtained.  Location to store the obtained object name.  Length
       in bytes of buffer at the location specified by name.  Reserved for future use. The value must be zero (0).

DESCRIPTION

       This routine copies the object name attribute from the thread attributes object specified by attr to  the  buffer  at  the  location  name.
       Before  calling	this  routine,	your  program must allocate the buffer indicated 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.

       If  the	specified  thread  attributes object has not been previously set with an object name, this routine copies a C language null string
       into the buffer at location name.

       This routine contrasts with pthread_getname_np, which obtains the object name from 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:
       Successful completion.  The value specified by attr is invalid.

ERRORS

       None

RELATED INFORMATION

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

       Manuals: Guide to DECthreads and Programmer's Guide

       delim off

															pthread_attr_getname_np(3)

pthread_attr_getstackaddr(3)				     Library Functions Manual				      pthread_attr_getstackaddr(3)

NAME

       pthread_attr_getstackaddr - Obtains the stack address attribute of the specified thread attributes object.

LIBRARY

       DECthreads POSIX 1003.1c Library (libpthread.so)

SYNOPSIS

       #include <pthread.h>

       int pthread_attr_getstackaddr_np(
		       const pthread_attr_t  *attr,
		       void		     **stackaddr,
		       size_t		     *size);

STANDARDS

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

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

PARAMETERS

       Address	of the thread attributes object whose stack address attribute is obtained.  Receives the address of the stack region of the thread
       attributes object specified by attr.  The size of the stack region in bytes.

DESCRIPTION

       This routine obtains the value of the stack address attribute of the thread attributes object specified in the attr argument and stores	it
       in  the location specified by the stackaddr argument.  The specified attributes object must already be initialized at the time this routine
       is called.

       The stack address attribute of a thread attributes object points to the origin of the stack for a new thread.

       Unlike pthread_attr_getstackaddr(3), this routine is a much more reliable portable interface.  With the	POSIX  standard  pthread_attr_get-
       stackaddr(3),  a  stack is specified using a single, undefined, address.  An implementation of the standard can only assume that the speci-
       fied value represents the value to which the thread's stack pointer should be set when beginning execution.   However,  this  requires  the
       application  to	know  how  the	machine  uses  the stack.  For example, a stack may grow either up (to higher addresses) or down (to lower
       addresses), and may be decreased (or increased) either before or after storing a new value.

       DECthreads provides an alternative interface with pthread_attr_getstackaddr_np(3). Instead of returning a stack	address,  it  returns  the
       base (lowest) address and the size.

RETURN VALUES

       If  an  error condition occurs, this routine returns an integer value indicating the type of error.  Possible return values are as follows:
       Successful completion.  The value specified by attr is not a valid thread attributes object.

ERRORS

       None

RELATED INFORMATION

       Functions: pthread_attr_setstackaddr_np(3)

       Manuals: Guide to DECthreads and Programmer's Guide delim off

														      pthread_attr_getstackaddr(3)