libguile/pthread-threads.h

   1 /* classes: h_files */
   2
   3 #ifndef SCM_THREADS_PTHREADS_H
   4 #define SCM_THREADS_PTHREADS_H
   5
   6 /* Copyright (C) 2002 Free Software Foundation, Inc.
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  21  */
  22
  23 \f
  24
  25 /* The pthreads-threads implementation.  This is a direct mapping.
  26 */
  27
  28 /* This is an interface between Guile and the pthreads thread package. */
  29
  30 #include <pthread.h>
  31 #include <sched.h>
  32
  33 #include "libguile/threads-plugin.h"
  34
  35 /* MDJ 021209 <djurfeldt@nada.kth.se>:
  36    The separation of the plugin interface and the low-level C API
  37    (currently in threads.h) needs to be completed in a sensible way.
  38  */
  39
  40 /* The scm_t_ types are temporarily used both in plugin and low-level API */
  41 #define scm_t_thread                    pthread_t
  42
  43 #define scm_i_plugin_thread_create      pthread_create
  44
  45 #define scm_i_plugin_thread_join        pthread_join
  46 #define scm_i_plugin_thread_detach      pthread_detach
  47 #define scm_i_plugin_thread_self        pthread_self
  48 #define scm_i_plugin_thread_yield       sched_yield
  49
  50 extern scm_t_mutexattr scm_i_plugin_mutex; /* The "fast" mutex. */
  51
  52 #define scm_i_plugin_mutex_destroy(m) \
  53   pthread_mutex_destroy ((pthread_mutex_t *) (m))
  54 #define scm_i_plugin_mutex_trylock(m) \
  55   pthread_mutex_trylock ((pthread_mutex_t *) (m))
  56
  57 extern scm_t_mutexattr scm_i_plugin_rec_mutex;
  58
  59 #define scm_i_plugin_cond_init          pthread_cond_init
  60 #define scm_i_plugin_cond_destroy       pthread_cond_destroy
  61 #define scm_i_plugin_cond_signal        pthread_cond_signal
  62 #define scm_i_plugin_cond_broadcast     pthread_cond_broadcast
  63
  64 #define scm_t_key                       pthread_key_t
  65
  66 #define scm_i_plugin_key_create         pthread_key_create
  67 #define scm_i_plugin_key_delete         pthread_key_delete
  68 #define scm_i_plugin_setspecific        pthread_setspecific
  69 #define scm_i_plugin_getspecific        pthread_getspecific
  70
  71 #define scm_i_plugin_select             select
  72
  73 #ifdef SCM_DEBUG_THREADS
  74 void scm_i_assert_heap_locked (void);
  75 #endif
  76
  77 void scm_init_pthread_threads (void);
  78
  79 #endif  /* SCM_THREADS_PTHREADS_H */
  80
  81 /*
  82   Local Variables:
  83   c-file-style: "gnu"
  84   End:
  85 */