xref: /dflybsd-src/lib/libthread_xu/thread/thr_ctrdtr.c (revision cf8046a92768d53e67d2533fb51b137d5506248d)

/*
 * Copyright (c) 2003 Daniel Eischen <deischen@freebsd.org>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Neither the name of the author nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * $FreeBSD: src/lib/libpthread/arch/amd64/amd64/pthread_md.c,v 1.4 2004/11/06 03:33:19 peter Exp $
 */

#include <sys/types.h>
#include <sys/tls.h>

#include <machine/tls.h>

#include "pthread_md.h"

/*
 * The constructors.
 */
struct tls_tcb *
_tcb_ctor(struct __pthread_s *thread, int initial)
{
	struct tls_tcb *tcb;

	if (initial)
		tcb = tls_get_tcb();
	else
		tcb = _libc_allocate_tls();

	if (tcb == NULL)
		return (NULL);

	tcb->tcb_pthread = thread;

	return (tcb);
}

void
_tcb_dtor(struct tls_tcb *tcb)
{
	_rtld_free_tls(tcb);
}