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); |
![[Note]](../stylesheet/note.png) |
Note |
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Compile and link with |
DESCRIPTION
These functions are obsolete: do not use them. Use pthread_attr_setstack(3) and pthread_attr_getstack(3) instead.
The pthread_attr_setstackaddr() function sets
the stack address attribute 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 attribute of the thread attributes
object referred to by attr in the buffer pointed to
by stackaddr.
ATTRIBUTES
For an explanation of the terms used in this section, see attributes(7).
| Interface | Attribute | Value |
pthread_attr_setstackaddr(),
pthread_attr_getstackaddr() |
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 downward, 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_setstack(3)
and pthread_attr_getstack(3),
is always a pointer to the lowest 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_setstacksize(3), pthread_create(3), pthreads(7)
COLOPHON
This page is part of release 4.07 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/.
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