1 /*
2 * Copyright (c) 2003 Daniel Eischen <deischen@freebsd.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Neither the name of the author nor the names of its contributors
12 * may be used to endorse or promote products derived from this software
13 * without specific prior written permission.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 * $FreeBSD: src/lib/libpthread/arch/amd64/amd64/pthread_md.c,v 1.4 2004/11/06 03:33:19 peter Exp $
27 */
28
29 #include <sys/types.h>
30 #include <sys/tls.h>
31
32 #include <machine/tls.h>
33
34 #include "pthread_md.h"
35
36 /*
37 * The constructors.
38 */
39 struct tls_tcb *
_tcb_ctor(struct __pthread_s * thread,int initial)40 _tcb_ctor(struct __pthread_s *thread, int initial)
41 {
42 struct tls_tcb *tcb;
43
44 if (initial)
45 tcb = tls_get_tcb();
46 else
47 tcb = _libc_allocate_tls();
48
49 if (tcb == NULL)
50 return (NULL);
51
52 tcb->tcb_pthread = thread;
53
54 return (tcb);
55 }
56
57 void
_tcb_dtor(struct tls_tcb * tcb)58 _tcb_dtor(struct tls_tcb *tcb)
59 {
60 _rtld_free_tls(tcb);
61 }
62