gcc/host-thread.h

   1 /* Host thread abstraction for GCC.
   2    Copyright (C) 2007
   3    Free Software Foundation, Inc.
   4
   5 This file is part of GCC.
   6
   7 GCC is free software; you can redistribute it and/or modify it under
   8 the terms of the GNU General Public License as published by the Free
   9 Software Foundation; either version 3, or (at your option) any later
  10 version.
  11
  12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  15 for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GCC; see the file COPYING3.  If not see
  19 <http://www.gnu.org/licenses/>.  */
  20
  21 #ifndef GCC_HOST_THREAD_H
  22 #define GCC_HOST_THREAD_H
  23
  24 /* For now, just pthreads.  */
  25 #include <pthread.h>
  26
  27 typedef pthread_mutex_t host_mutex;
  28 typedef pthread_cond_t host_condition;
  29
  30 static inline host_mutex *
  31 host_mutex_create (void)
  32 {
  33   host_mutex *result = XNEW (host_mutex);
  34   pthread_mutex_init (result, NULL);
  35   return result;
  36 }
  37
  38 static inline void
  39 host_mutex_lock (host_mutex *m)
  40 {
  41   pthread_mutex_lock (m);
  42 }
  43
  44 static inline void
  45 host_mutex_unlock (host_mutex *m)
  46 {
  47   pthread_mutex_unlock (m);
  48 }
  49
  50 static inline host_condition *
  51 host_condition_create (void)
  52 {
  53   host_condition *result = XNEW (host_condition);
  54   pthread_cond_init (result, NULL);
  55   return result;
  56 }
  57
  58 static inline void
  59 host_condition_wait (host_condition *c, host_mutex *m)
  60 {
  61   pthread_cond_wait (c, m);
  62 }
  63
  64 static inline void
  65 host_condition_broadcast (host_condition *c)
  66 {
  67   pthread_cond_broadcast (c);
  68 }
  69
  70 static inline void
  71 host_thread_create (void *(*func) (void *), void *arg)
  72 {
  73   pthread_t thr;
  74   pthread_attr_t attr;
  75   pthread_attr_init (&attr);
  76   pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
  77   /* FIXME: error handling.  */
  78   pthread_create (&thr, &attr, func, arg);
  79   pthread_attr_destroy (&attr);
  80 }
  81
  82 #endif /* GCC_HOST_THREAD_H */