xref: /freebsd/lib/libthr/thread/thr_ctrdtr.c (revision 20fe2c9465839f53ae56affdb1b12962a009c1f9)
1*20fe2c94SAndrew Turner /*-
2*20fe2c94SAndrew Turner  * Copyright (C) 2003 Jake Burkholder <jake@freebsd.org>
3*20fe2c94SAndrew Turner  * Copyright (C) 2003 David Xu <davidxu@freebsd.org>
4*20fe2c94SAndrew Turner  * Copyright (c) 2001,2003 Daniel Eischen <deischen@freebsd.org>
5*20fe2c94SAndrew Turner  * All rights reserved.
6*20fe2c94SAndrew Turner  *
7*20fe2c94SAndrew Turner  * Redistribution and use in source and binary forms, with or without
8*20fe2c94SAndrew Turner  * modification, are permitted provided that the following conditions
9*20fe2c94SAndrew Turner  * are met:
10*20fe2c94SAndrew Turner  * 1. Redistributions of source code must retain the above copyright
11*20fe2c94SAndrew Turner  *    notice, this list of conditions and the following disclaimer.
12*20fe2c94SAndrew Turner  * 2. Neither the name of the author nor the names of its contributors
13*20fe2c94SAndrew Turner  *    may be used to endorse or promote products derived from this software
14*20fe2c94SAndrew Turner  *    without specific prior written permission.
15*20fe2c94SAndrew Turner  *
16*20fe2c94SAndrew Turner  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17*20fe2c94SAndrew Turner  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18*20fe2c94SAndrew Turner  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19*20fe2c94SAndrew Turner  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20*20fe2c94SAndrew Turner  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21*20fe2c94SAndrew Turner  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22*20fe2c94SAndrew Turner  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23*20fe2c94SAndrew Turner  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24*20fe2c94SAndrew Turner  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25*20fe2c94SAndrew Turner  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26*20fe2c94SAndrew Turner  * SUCH DAMAGE.
27*20fe2c94SAndrew Turner  */
28*20fe2c94SAndrew Turner 
29*20fe2c94SAndrew Turner #include <sys/cdefs.h>
30*20fe2c94SAndrew Turner __FBSDID("$FreeBSD$");
31*20fe2c94SAndrew Turner 
32*20fe2c94SAndrew Turner #include <sys/types.h>
33*20fe2c94SAndrew Turner #include <rtld_tls.h>
34*20fe2c94SAndrew Turner 
35*20fe2c94SAndrew Turner #include "thr_private.h"
36*20fe2c94SAndrew Turner 
37*20fe2c94SAndrew Turner struct tcb *
38*20fe2c94SAndrew Turner _tcb_ctor(struct pthread *thread, int initial)
39*20fe2c94SAndrew Turner {
40*20fe2c94SAndrew Turner 	struct tcb *tcb;
41*20fe2c94SAndrew Turner 
42*20fe2c94SAndrew Turner 	if (initial)
43*20fe2c94SAndrew Turner 		tcb = _tcb_get();
44*20fe2c94SAndrew Turner 	else
45*20fe2c94SAndrew Turner 		tcb = _rtld_allocate_tls(NULL, sizeof(struct tcb), 16);
46*20fe2c94SAndrew Turner 	if (tcb)
47*20fe2c94SAndrew Turner 		tcb->tcb_thread = thread;
48*20fe2c94SAndrew Turner 	return (tcb);
49*20fe2c94SAndrew Turner }
50*20fe2c94SAndrew Turner 
51*20fe2c94SAndrew Turner void
52*20fe2c94SAndrew Turner _tcb_dtor(struct tcb *tcb)
53*20fe2c94SAndrew Turner {
54*20fe2c94SAndrew Turner 
55*20fe2c94SAndrew Turner 	_rtld_free_tls(tcb, sizeof(struct tcb), 16);
56*20fe2c94SAndrew Turner }
57