utility/fcthread.h

   1 /**********************************************************************
   2  Freeciv - Copyright (C) 1996 - A Kjeldberg, L Gregersen, P Unold
   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
  14 #ifndef FC__THREAD_H
  15 #define FC__THREAD_H
  16
  17 #ifdef __cplusplus
  18 extern "C" {
  19 #endif /* __cplusplus */
  20
  21 /* gen_headers */
  22 #include "freeciv_config.h"
  23
  24 /* utility */
  25 #include "support.h" /* bool */
  26
  27 #ifdef FREECIV_HAVE_TINYCTHR
  28 #include "tinycthread.h"
  29 #define FREECIV_C11_THR
  30 #else
  31 #ifdef FREECIV_HAVE_C11_THREADS
  32 #include <threads.h>
  33 #define FREECIV_C11_THR
  34 #endif /* FREECIV_HAVE_C11_THREADS */
  35 #endif /* FREECIV_hAVE_TINYCTHR */
  36
  37 #ifdef FREECIV_C11_THR
  38
  39 #define fc_thread      thrd_t
  40 #define fc_mutex       mtx_t
  41 #define fc_thread_cond cnd_t
  42
  43 #elif defined(FREECIV_HAVE_PTHREAD)
  44
  45 #include <pthread.h>
  46
  47 #define fc_thread      pthread_t
  48 #define fc_mutex       pthread_mutex_t
  49 #define fc_thread_cond pthread_cond_t
  50
  51 #elif defined (FREECIV_HAVE_WINTHREADS)
  52
  53 #include <windows.h>
  54 #define fc_thread      HANDLE *
  55 #define fc_mutex       HANDLE *
  56
  57 #ifndef FREECIV_HAVE_THREAD_COND
  58 #define fc_thread_cond char
  59 #else  /* FREECIV_HAVE_THREAD_COND */
  60 #warning FREECIV_HAVE_THREAD_COND defined but we have no real Windows implementation
  61 #endif /* FREECIV_HAVE_THREAD_COND */
  62
  63 #else /* No pthreads nor winthreads */
  64
  65 #error "No working thread implementation"
  66
  67 #endif /* FREECIV_HAVE_PTHREAD */
  68
  69 int fc_thread_start(fc_thread *thread, void (*function) (void *arg), void *arg);
  70 void fc_thread_wait(fc_thread *thread);
  71
  72 void fc_init_mutex(fc_mutex *mutex);
  73 void fc_destroy_mutex(fc_mutex *mutex);
  74 void fc_allocate_mutex(fc_mutex *mutex);
  75 void fc_release_mutex(fc_mutex *mutex);
  76
  77 void fc_thread_cond_init(fc_thread_cond *cond);
  78 void fc_thread_cond_destroy(fc_thread_cond *cond);
  79 void fc_thread_cond_wait(fc_thread_cond *cond, fc_mutex *mutex);
  80 void fc_thread_cond_signal(fc_thread_cond *cond);
  81
  82 bool has_thread_cond_impl(void);
  83
  84 #ifdef __cplusplus
  85 }
  86 #endif /* __cplusplus */
  87
  88 #endif /* FC__THREAD_H */