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pthread_attr_setstackaddr(3) — Linux manual page

pthread_...stackaddr(3)  Library Functions Manualpthread_...stackaddr(3)

NAME        top

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

LIBRARY        top

       POSIX threads library (libpthread,-lpthread)

SYNOPSIS        top

#include <pthread.h>[[deprecated]]int pthread_attr_setstackaddr(pthread_attr_t *attr, void *stackaddr);[[deprecated]]int pthread_attr_getstackaddr(const pthread_attr_t *restrictattr,void **restrictstackaddr);

DESCRIPTION        top

       These functions are obsolete:do not use them.Usepthread_attr_setstack(3) andpthread_attr_getstack(3) instead.       Thepthread_attr_setstackaddr() function sets the stack address       attribute of the thread attributes object referred to byattr to       the value specified instackaddr.  This attribute specifies the       location of the stack that should be used by a thread that is       created using the thread attributes objectattr.stackaddr should point to a buffer of at leastPTHREAD_STACK_MIN       bytes that was allocated by the caller.  The pages of the       allocated buffer should be both readable and writable.       Thepthread_attr_getstackaddr() function returns the stack address       attribute of the thread attributes object referred to byattr in       the buffer pointed to bystackaddr.

RETURN VALUE        top

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

ERRORS        top

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

ATTRIBUTES        top

       For an explanation of the terms used in this section, seeattributes(7).       ┌──────────────────────────────────────┬───────────────┬─────────┐       │Interface│Attribute│Value│       ├──────────────────────────────────────┼───────────────┼─────────┤       │pthread_attr_setstackaddr(),         │ Thread safety │ MT-Safe │       │pthread_attr_getstackaddr()          │               │         │       └──────────────────────────────────────┴───────────────┴─────────┘

STANDARDS        top

       None.

HISTORY        top

       glibc 2.1.  Marked obsolete in POSIX.1-2001.  Removed in       POSIX.1-2008.

NOTES        top

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 thehighest address of the allocated stack area.  However, on       architectures with a stack that grows upward,stackaddr specifies       thelowest address in the allocated stack area.  By contrast, thestackaddr used bypthread_attr_setstack(3) andpthread_attr_getstack(3), is always a pointer to the lowest       address in the allocated stack area (and thestacksize argument       specifies the range of the stack).

SEE ALSO        top

pthread_attr_init(3),pthread_attr_setstack(3),pthread_attr_setstacksize(3),pthread_create(3),pthreads(7)

COLOPHON        top

       This page is part of theman-pages (Linux kernel and C library       user-space interface documentation) project.  Information about       the project can be found at        ⟨https://www.kernel.org/doc/man-pages/⟩.  If you have a bug report       for this manual page, see       ⟨https://git.kernel.org/pub/scm/docs/man-pages/man-pages.git/tree/CONTRIBUTING⟩.       This page was obtained from the tarball man-pages-6.15.tar.gz       fetched from       ⟨https://mirrors.edge.kernel.org/pub/linux/docs/man-pages/⟩ on       2025-08-11.  If you discover any rendering problems in this HTML       version of the page, or you believe there is a better or more up-       to-date source for the page, or you have corrections or       improvements to the information in this COLOPHON (which isnot       part of the original manual page), send a mail to       man-pages@man7.orgLinux man-pages 6.15            2025-05-17pthread_...stackaddr(3)

Pages that refer to this page:pthread_attr_init(3), pthread_attr_setguardsize(3), pthread_attr_setstack(3), pthread_getattr_default_np(3), pthread_getattr_np(3)

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