Line data    Source code

       1             : /* src/threads/threadobject.hpp - POSIX thread data structure
       2             : 
       3             :    Copyright (C) 1996-2013
       4             :    CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
       5             : 
       6             :    This file is part of CACAO.
       7             : 
       8             :    This program is free software; you can redistribute it and/or
       9             :    modify it under the terms of the GNU General Public License as
      10             :    published by the Free Software Foundation; either version 2, or (at
      11             :    your option) any later version.
      12             : 
      13             :    This program is distributed in the hope that it will be useful, but
      14             :    WITHOUT ANY WARRANTY; without even the implied warranty of
      15             :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      16             :    General Public License for more details.
      17             : 
      18             :    You should have received a copy of the GNU General Public License
      19             :    along with this program; if not, write to the Free Software
      20             :    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
      21             :    02110-1301, USA.
      22             : 
      23             : */
      24             : 
      25             : 
      26             : #ifndef THREAD_POSIX_HPP_
      27             : #define THREAD_POSIX_HPP_ 1
      28             : 
      29             : #ifndef THREAD_HPP_
      30             : # error "Do not directly include this header, include threads/thread.hpp instead"
      31             : #endif
      32             : 
      33             : #include "config.h"
      34             : 
      35             : #include <pthread.h>
      36             : #include <ucontext.h>
      37             : 
      38             : #include "vm/types.hpp"
      39             : 
      40             : #if defined(ENABLE_TLH)
      41             : # include "mm/tlh.hpp"
      42             : #endif
      43             : 
      44             : #include "threads/condition.hpp"
      45             : #include "threads/mutex.hpp"
      46             : 
      47             : /* current threadobject *******************************************************/
      48             : 
      49             : #if defined(HAVE___THREAD)
      50             : 
      51             : #define THREADOBJECT      thread_current
      52             : 
      53             : extern __thread threadobject *thread_current;
      54             : 
      55             : #else /* defined(HAVE___THREAD) */
      56             : 
      57             : #define THREADOBJECT \
      58             :         ((threadobject *) pthread_getspecific(thread_current_key))
      59             : 
      60             : extern pthread_key_t thread_current_key;
      61             : 
      62             : #endif /* defined(HAVE___THREAD) */
      63             : 
      64             : 
      65             : 
      66             : inline static threadobject* thread_get_current(void);
      67             : 
      68             : 
      69             : // Includes.
      70             : #include "native/localref.hpp"
      71             : 
      72             : #include "threads/lock.hpp"
      73             : 
      74             : #include "vm/global.hpp"
      75             : #include "vm/vm.hpp"
      76             : 
      77             : #if defined(ENABLE_GC_CACAO)
      78             : # include "vm/jit/executionstate.hpp"
      79             : # include "vm/jit/replace.hpp"
      80             : #endif
      81             : 
      82             : #if defined(ENABLE_INTRP)
      83             : #include "vm/jit/intrp/intrp.h"
      84             : #endif
      85             : 
      86             : 
      87             : /* inline functions ***********************************************************/
      88             : 
      89             : /**
      90             :  * Return the Thread object of the current thread.
      91             :  *
      92             :  * @return The current Thread object.
      93             :  */
      94    16775121 : inline static threadobject* thread_get_current(void)
      95             : {
      96             :         threadobject *t;
      97             : 
      98             : #if defined(HAVE___THREAD)
      99    16775121 :         t = thread_current;
     100             : #else
     101             :         t = (threadobject *) pthread_getspecific(thread_current_key);
     102             : #endif
     103             : 
     104    16775121 :         return t;
     105             : }
     106             : 
     107             : 
     108             : /**
     109             :  * Set the current Thread object.
     110             :  *
     111             :  * @param t The thread object to set.
     112             :  */
     113         793 : inline static void thread_set_current(threadobject* t)
     114             : {
     115             : #if defined(HAVE___THREAD)
     116         793 :         thread_current = t;
     117             : #else
     118             :         int result;
     119             : 
     120             :         result = pthread_setspecific(thread_current_key, t);
     121             : 
     122             :         if (result != 0)
     123             :                 //os::abort_errnum(result, "thread_set_current: pthread_setspecific failed");
     124             :                 vm_abort("thread_set_current: pthread_setspecific failed");
     125             : #endif
     126         793 : }
     127             : 
     128             : #endif // THREADOBJECT_POSIX_HPP_
     129             : 
     130             : /*
     131             :  * These are local overrides for various environment variables in Emacs.
     132             :  * Please do not remove this and leave it at the end of the file, where
     133             :  * Emacs will automagically detect them.
     134             :  * ---------------------------------------------------------------------
     135             :  * Local variables:
     136             :  * mode: c++
     137             :  * indent-tabs-mode: t
     138             :  * c-basic-offset: 4
     139             :  * tab-width: 4
     140             :  * End:
     141             :  * vim:noexpandtab:sw=4:ts=4:
     142             :  */