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pthread_attr_setstackaddr(3)

PTHREAD_A...TSTACKADDR(3)  Linux Programmer's Manual PTHREAD_A...TSTACKADDR(3)

NAME
       pthread_attr_setstackaddr,  pthread_attr_getstackaddr  -  set/get stack
       address attribute in thread attributes object

SYNOPSIS
       #include <pthread.h>

       int pthread_attr_setstackaddr(pthread_attr_t *attr, void *stackaddr);
       int pthread_attr_getstackaddr(const pthread_attr_t *attr, void **stackaddr);

       Compile and link with -pthread.

DESCRIPTION
       These functions are obsolete: do not use them.   Use  pthread_attr_set‐
       stack(3) and pthread_attr_getstack(3) instead.

       The  pthread_attr_setstackaddr()  function  sets  the stack address at‐
       tribute of the thread attributes object referred  to  by  attr  to  the
       value specified in stackaddr.  This attribute specifies the location of
       the  stack  that  should  be used by a thread that is created using the
       thread attributes object attr.

       stackaddr should point to a buffer of at least PTHREAD_STACK_MIN  bytes
       that  was  allocated  by the caller.  The pages of the allocated buffer
       should be both readable and writable.

       The pthread_attr_getstackaddr() function returns the stack address  at‐
       tribute  of  the  thread  attributes  object referred to by attr in the
       buffer pointed to by stackaddr.

RETURN VALUE
       On success, these functions return 0; on error, they return  a  nonzero
       error number.

ERRORS
       No  errors  are  defined (but applications should nevertheless handle a
       possible error return).

VERSIONS
       These functions are provided by glibc since version 2.1.

ATTRIBUTES
       For an explanation of the terms  used  in  this  section,  see  attrib‐
       utes(7).   allbox;  lbw28  lb  lb  l l l.  Interface Attribute Value T{
       pthread_attr_setstackaddr(),  pthread_attr_getstackaddr()   T}   Thread
       safety  MT-Safe

CONFORMING TO
       POSIX.1-2001  specifies  these  functions  but  marks them as obsolete.
       POSIX.1-2008 removes the specification of these functions.

NOTES
       Do not use these functions!  They cannot be portably used,  since  they
       provide  no  way  of specifying the direction of growth or the range of
       the stack.  For example, on architectures with a stack that grows down‐
       ward, stackaddr specifies the next address past the highest address  of
       the  allocated stack area.  However, on architectures with a stack that
       grows upward, stackaddr specifies the lowest address in  the  allocated
       stack  area.   By  contrast,  the  stackaddr  used by pthread_attr_set‐
       stack(3) and pthread_attr_getstack(3), is always a pointer to the  low‐
       est  address  in  the  allocated stack area (and the stacksize argument
       specifies the range of the stack).

SEE ALSO
       pthread_attr_init(3), pthread_attr_setstack(3),  pthread_attr_setstack‐
       size(3), pthread_create(3), pthreads(7)

COLOPHON
       This  page  is  part of release 5.02 of the Linux man-pages project.  A
       description of the project, information about reporting bugs,  and  the
       latest     version     of     this    page,    can    be    found    at
       https://www.kernel.org/doc/man-pages/.

Linux                             2017-09-15         PTHREAD_A...TSTACKADDR(3)
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