libguile/pthread-threads.c

   1 /* Copyright (C) 2002 Free Software Foundation, Inc.
   2  *
   3  * This program is free software; you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License as published by
   5  * the Free Software Foundation; either version 2, or (at your option)
   6  * any later version.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with this software; see the file COPYING.  If not, write to
  15  * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
  16  * Boston, MA 02111-1307 USA
  17  *
  18  * As a special exception, the Free Software Foundation gives permission
  19  * for additional uses of the text contained in its release of GUILE.
  20  *
  21  * The exception is that, if you link the GUILE library with other files
  22  * to produce an executable, this does not by itself cause the
  23  * resulting executable to be covered by the GNU General Public License.
  24  * Your use of that executable is in no way restricted on account of
  25  * linking the GUILE library code into it.
  26  *
  27  * This exception does not however invalidate any other reasons why
  28  * the executable file might be covered by the GNU General Public License.
  29  *
  30  * This exception applies only to the code released by the
  31  * Free Software Foundation under the name GUILE.  If you copy
  32  * code from other Free Software Foundation releases into a copy of
  33  * GUILE, as the General Public License permits, the exception does
  34  * not apply to the code that you add in this way.  To avoid misleading
  35  * anyone as to the status of such modified files, you must delete
  36  * this exception notice from them.
  37  *
  38  * If you write modifications of your own for GUILE, it is your choice
  39  * whether to permit this exception to apply to your modifications.
  40  * If you do not wish that, delete this exception notice.  */
  41
  42
  43 \f
  44
  45 #include "libguile/scmconfig.h"
  46
  47 /* Should go to threads-plugin */
  48 scm_t_mutexattr scm_i_plugin_mutex;
  49
  50 scm_t_mutexattr scm_i_plugin_rec_mutex;
  51
  52 #ifndef SCM_MUTEXATTR_SETTYPE_DECLARED
  53 int pthread_mutexattr_settype (pthread_mutexattr_t *, int);
  54 #endif
  55
  56 void
  57 scm_init_pthread_threads ()
  58 {
  59   pthread_mutexattr_init (&scm_i_plugin_mutex);
  60 #ifdef SCM_MUTEX_FAST
  61   pthread_mutexattr_settype (&scm_i_plugin_mutex, SCM_MUTEX_FAST);
  62 #endif
  63   /* These values should be passed in a structure. */
  64   scm_i_plugin_mutex_size = sizeof (pthread_mutex_t);
  65   scm_i_plugin_mutex_init = (scm_t_mutex_init) pthread_mutex_init;
  66   scm_i_plugin_mutex_lock = (scm_t_mutex_lock) pthread_mutex_lock;
  67   scm_i_plugin_mutex_unlock = (scm_t_mutex_unlock) pthread_mutex_unlock;
  68
  69 #if defined (SCM_MUTEX_RECURSIVE) && !defined (SCM_DEBUG_THREADS)
  70   pthread_mutexattr_init (&scm_i_plugin_rec_mutex);
  71   pthread_mutexattr_settype (&scm_i_plugin_rec_mutex, SCM_MUTEX_RECURSIVE);
  72   scm_i_plugin_rec_mutex_size = sizeof (pthread_mutex_t);
  73   scm_i_plugin_rec_mutex_init = (scm_t_rec_mutex_init) pthread_mutex_init;
  74   scm_i_plugin_rec_mutex_destroy = (scm_t_rec_mutex_destroy) pthread_mutex_destroy;
  75   scm_i_plugin_rec_mutex_lock = (scm_t_rec_mutex_lock) pthread_mutex_lock;
  76   scm_i_plugin_rec_mutex_trylock = (scm_t_rec_mutex_trylock) pthread_mutex_trylock;
  77   scm_i_plugin_rec_mutex_unlock = (scm_t_rec_mutex_unlock) pthread_mutex_unlock;
  78 #endif
  79
  80   scm_i_plugin_cond_wait = (scm_t_cond_wait) pthread_cond_wait;
  81   scm_i_plugin_cond_timedwait = (scm_t_cond_timedwait) pthread_cond_timedwait;
  82
  83   scm_init_threads_plugin ();
  84 }
  85
  86 /*
  87   Local Variables:
  88   c-file-style: "gnu"
  89   End:
  90 */