glibc/htl/pt-getattr.c
Samuel Thibault 33574c17ee hurd: Add hurd thread library
Contributed by

Agustina Arzille <avarzille@riseup.net>
Amos Jeffries <squid3@treenet.co.nz>
David Michael <fedora.dm0@gmail.com>
Marco Gerards <marco@gnu.org>
Marcus Brinkmann <marcus@gnu.org>
Neal H. Walfield <neal@gnu.org>
Pino Toscano <toscano.pino@tiscali.it>
Richard Braun <rbraun@sceen.net>
Roland McGrath <roland@gnu.org>
Samuel Thibault <samuel.thibault@ens-lyon.org>
Thomas DiModica <ricinwich@yahoo.com>
Thomas Schwinge <tschwinge@gnu.org>

	* htl: New directory.
	* sysdeps/htl: New directory.
	* sysdeps/hurd/htl: New directory.
	* sysdeps/i386/htl: New directory.
	* sysdeps/mach/htl: New directory.
	* sysdeps/mach/hurd/htl: New directory.
	* sysdeps/mach/hurd/i386/htl: New directory.
	* nscd/Depend, resolv/Depend, rt/Depend: Add htl dependency.
	* sysdeps/mach/hurd/i386/Implies: Add mach/hurd/i386/htl imply.
	* sysdeps/mach/hurd/i386/libpthread.abilist: New file.
2018-04-02 01:44:14 +02:00

52 lines
1.9 KiB
C

/* Thread attributes retrieval.
Copyright (C) 2008-2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, see <http://www.gnu.org/licenses/>. */
#include <assert.h>
#include <errno.h>
#include <pthread.h>
#include <pt-internal.h>
/* Initialize thread attribute *ATTR with attributes corresponding to the
already running thread THREAD. It shall be called on an uninitialized ATTR
and destroyed with pthread_attr_destroy when no longer needed. */
int
__pthread_getattr_np (pthread_t thread, pthread_attr_t *attr)
{
struct __pthread *pthread;
pthread = __pthread_getid (thread);
if (pthread == NULL)
return ESRCH;
/* Some attributes (schedparam, inheritsched, contentionscope and schedpolicy)
are not supported yet, so fill them with our default values. */
*attr = __pthread_default_attr;
attr->__stackaddr = pthread->stackaddr +
((pthread->guardsize + __vm_page_size - 1)
/ __vm_page_size * __vm_page_size);
attr->__stacksize = pthread->stacksize;
attr->__guardsize = pthread->guardsize;
attr->__detachstate = (pthread->state == PTHREAD_DETACHED
? PTHREAD_CREATE_DETACHED : PTHREAD_CREATE_JOINABLE);
return 0;
}
weak_alias (__pthread_getattr_np, pthread_getattr_np)