pthread_attr_setstackaddr, pthread_attr_getstackaddr — set/get stack address attribute in thread attributes object
||const pthread_attr_t *attr,|
Compile and link with
pthread_attr_setstackaddr() function sets
the stack address attribute of the thread attributes object
referred to by
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
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.
returns the stack address attribute of the thread attributes
object referred to by
attr in the buffer pointed to
For an explanation of the terms used in this section, see attributes(7).
POSIX.1-2001 specifies these functions but marks them as obsolete. POSIX.1-2008 removes the specification of these functions.
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
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)
is always a pointer to the lowest address in the allocated
stack area (and the
argument specifies the range of the stack).
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Copyright (c) 2008 Linux Foundation, written by Michael Kerrisk
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