native_client_sdk/src/libraries/third_party/pthreads-win32/ptw32_processInitialize.c

   1 /*
   2  * ptw32_processInitialize.c
   3  *
   4  * Description:
   5  * This translation unit implements routines which are private to
   6  * the implementation and may be used throughout it.
   7  *
   8  * --------------------------------------------------------------------------
   9  *
  10  *      Pthreads-win32 - POSIX Threads Library for Win32
  11  *      Copyright(C) 1998 John E. Bossom
  12  *      Copyright(C) 1999,2005 Pthreads-win32 contributors
  13  *
  14  *      Contact Email: rpj@callisto.canberra.edu.au
  15  *
  16  *      The current list of contributors is contained
  17  *      in the file CONTRIBUTORS included with the source
  18  *      code distribution. The list can also be seen at the
  19  *      following World Wide Web location:
  20  *      http://sources.redhat.com/pthreads-win32/contributors.html
  21  *
  22  *      This library is free software; you can redistribute it and/or
  23  *      modify it under the terms of the GNU Lesser General Public
  24  *      License as published by the Free Software Foundation; either
  25  *      version 2 of the License, or (at your option) any later version.
  26  *
  27  *      This library is distributed in the hope that it will be useful,
  28  *      but WITHOUT ANY WARRANTY; without even the implied warranty of
  29  *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  30  *      Lesser General Public License for more details.
  31  *
  32  *      You should have received a copy of the GNU Lesser General Public
  33  *      License along with this library in the file COPYING.LIB;
  34  *      if not, write to the Free Software Foundation, Inc.,
  35  *      59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  36  */
  37
  38 #include "pthread.h"
  39 #include "implement.h"
  40
  41
  42 int
  43 ptw32_processInitialize (void)
  44      /*
  45       * ------------------------------------------------------
  46       * DOCPRIVATE
  47       *      This function performs process wide initialization for
  48       *      the pthread library.
  49       *
  50       * PARAMETERS
  51       *      N/A
  52       *
  53       * DESCRIPTION
  54       *      This function performs process wide initialization for
  55       *      the pthread library.
  56       *      If successful, this routine sets the global variable
  57       *      ptw32_processInitialized to TRUE.
  58       *
  59       * RESULTS
  60       *              TRUE    if successful,
  61       *              FALSE   otherwise
  62       *
  63       * ------------------------------------------------------
  64       */
  65 {
  66   if (ptw32_processInitialized)
  67     {
  68       /*
  69        * Ignore if already initialized. this is useful for
  70        * programs that uses a non-dll pthread
  71        * library. Such programs must call ptw32_processInitialize() explicitly,
  72        * since this initialization routine is automatically called only when
  73        * the dll is loaded.
  74        */
  75       return PTW32_TRUE;
  76     }
  77
  78   ptw32_processInitialized = PTW32_TRUE;
  79
  80   /*
  81    * Initialize Keys
  82    */
  83   if ((pthread_key_create (&ptw32_selfThreadKey, NULL) != 0) ||
  84       (pthread_key_create (&ptw32_cleanupKey, NULL) != 0))
  85     {
  86
  87       ptw32_processTerminate ();
  88     }
  89
  90   return (ptw32_processInitialized);
  91
  92 }                               /* processInitialize */