pthread_attr_setstacksize man page on OSF1

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pthread_attr_setstacksize(3)			  pthread_attr_setstacksize(3)

NAME
       pthread_attr_setstacksize  -  Changes  the  stacksize  attribute in the
       specified thread attributes object

SYNOPSIS
       #include <pthread.h>

       int pthread_attr_setstacksize(
	       pthread_attr_t *attr,
	       size_t stacksize );

LIBRARY
       DECthreads POSIX 1003.1c Library (libpthread.so)

STANDARDS
       Interfaces documented on this reference page conform to industry	 stan‐
       dards as follows:

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

PARAMETERS
       Thread  attributes  object to be modified.  New value for the stacksize
       attribute of the thread attributes object specified by the  attr	 argu‐
       ment.  The  stacksize  argument	must  be  greater  than	 or  equal  to
       PTHREAD_STACK_MIN. PTHREAD_STACK_MIN specifies  the  minimum  size  (in
       bytes) of stack needed for a thread.

DESCRIPTION
       This  routine  sets  the	 stacksize  attribute in the thread attributes
       object specified by the attr argument. Use this routine to  adjust  the
       size of the writable area of the stack for a new thread.

       The  size  of a thread's stack is fixed at the time of thread creation.
       Only the initial thread can dynamically extend its stack.

       Many compilers do not check for stack overflow.	Ensure	that  the  new
       thread's	 stack	is  sufficient	for the resources required by routines
       that are called from the 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, or  the
       value  specified by stacksize is less than PTHREAD_STACK_MIN or exceeds
       a DECthreads-imposed limit.

ERRORS
       None

SEE ALSO
       Functions:     pthread_attr_init(3),	 pthread_attr_getstacksize(3),
       pthread_create(3)

       Manuals: Guide to DECthreads and Programmer's Guide

						  pthread_attr_setstacksize(3)
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