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 * 40 _tcb_ctor(struct pthread *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 58 _tcb_dtor(struct tls_tcb *tcb) 59 { 60 _rtld_free_tls(tcb); 61 } 62