1 /*-
2 * Copyright (C) 2003 Jake Burkholder <jake@freebsd.org>
3 * Copyright (C) 2003 David Xu <davidxu@freebsd.org>
4 * Copyright (c) 2001,2003 Daniel Eischen <deischen@freebsd.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Neither the name of the author nor the names of its contributors
13 * may be used to endorse or promote products derived from this software
14 * without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include <sys/types.h>
30 #include <rtld_tls.h>
31
32 #include "thr_private.h"
33
34 struct tcb *
_tcb_ctor(struct pthread * thread,int initial)35 _tcb_ctor(struct pthread *thread, int initial)
36 {
37 struct tcb *tcb;
38
39 if (initial)
40 tcb = _tcb_get();
41 else
42 tcb = _rtld_allocate_tls(NULL, TLS_TCB_SIZE, TLS_TCB_ALIGN);
43 if (tcb)
44 tcb->tcb_thread = thread;
45 return (tcb);
46 }
47
48 void
_tcb_dtor(struct tcb * tcb)49 _tcb_dtor(struct tcb *tcb)
50 {
51
52 _rtld_free_tls(tcb, TLS_TCB_SIZE, TLS_TCB_ALIGN);
53 }
54