pthread_attr_setstackaddr(3) — Linux manual page

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

NAME

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

LIBRARY

       POSIX threads library (libpthread, -lpthread)

SYNOPSIS

       #include <pthread.h>

       [[deprecated]]
       int pthread_attr_setstackaddr(pthread_attr_t *attr, void *stackaddr);
       [[deprecated]]
       int pthread_attr_getstackaddr(const pthread_attr_t *restrict attr,
                                     void **restrict stackaddr);

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.

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).

ATTRIBUTES

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

STANDARDS

       None.

HISTORY

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

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

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Linux man-pages 6.9.1          2024-05-02        pthread_...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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