lib/libc/misc/initfini.c

   1 /*      $NetBSD: initfini.c,v 1.7 2010/11/14 18:11:42 tron Exp $         */
   2
   3 /*-
   4  * Copyright (c) 2007 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Andrew Doran.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #include <sys/cdefs.h>
  33 __RCSID("$NetBSD: initfini.c,v 1.7 2010/11/14 18:11:42 tron Exp $");
  34
  35 #ifdef _LIBC
  36 #include "namespace.h"
  37 #endif
  38
  39 void    __libc_init(void) __attribute__((__constructor__, __used__));
  40
  41 void    __guard_setup(void);
  42 void    __libc_thr_init(void);
  43 void    __libc_atomic_init(void);
  44 void    __libc_atexit_init(void);
  45 void    __libc_env_init(void);
  46
  47 /* LINTED used */
  48 void
  49 __libc_init(void)
  50 {
  51
  52         /* For -fstack-protector */
  53         __guard_setup();
  54
  55         /* Atomic operations */
  56         __libc_atomic_init();
  57
  58 #ifdef _REENTRANT
  59         /* Threads */
  60         __libc_thr_init();
  61 #endif
  62
  63         /* Initialize the atexit mutexes */
  64         __libc_atexit_init();
  65
  66         /* Initialize environment memory RB tree. */
  67         __libc_env_init();
  68 }