sys/__libc_init.c

   1 /*
   2  * Copyright (c) 2005-2007 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23 /*
  24  * __libc_init() is called from libSystem_initializer()
  25  */
  26
  27 #include <stdint.h>
  28 #include <pthread.h>
  29 #include <pthread_machdep.h>
  30
  31 struct ProgramVars; /* forward reference */
  32
  33 extern void _program_vars_init(const struct ProgramVars *vars);
  34 extern pthread_lock_t _malloc_lock;
  35 extern void __xlocale_init(void);
  36 extern void __guard_setup(void);
  37
  38 #ifdef PR_5243343
  39 /* 5243343 - temporary hack to detect if we are running the conformance test */
  40 #include <stdlib.h>
  41 __private_extern__ int PR_5243343_flag = 0;
  42 #endif /* PR_5243343 */
  43
  44 __private_extern__ void
  45 __libc_init(const struct ProgramVars *vars)
  46 {
  47         _program_vars_init(vars);
  48         LOCK_INIT(_malloc_lock);
  49         __xlocale_init();
  50         __guard_setup();
  51
  52 #ifdef PR_5243343
  53         /* 5243343 - temporary hack to detect if we are running the conformance test */
  54         if(getenv("TET_EXECUTE"))
  55                 PR_5243343_flag = 1;
  56 #endif /* PR_5243343 */
  57 }