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      1 
      2 /*--------------------------------------------------------------------*/
      3 /*--- The thread state.                     pub_tool_threadstate.h ---*/
      4 /*--------------------------------------------------------------------*/
      5 
      6 /*
      7    This file is part of Valgrind, a dynamic binary instrumentation
      8    framework.
      9 
     10    Copyright (C) 2000-2013 Julian Seward
     11       jseward (at) acm.org
     12 
     13    This program is free software; you can redistribute it and/or
     14    modify it under the terms of the GNU General Public License as
     15    published by the Free Software Foundation; either version 2 of the
     16    License, or (at your option) any later version.
     17 
     18    This program is distributed in the hope that it will be useful, but
     19    WITHOUT ANY WARRANTY; without even the implied warranty of
     20    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     21    General Public License for more details.
     22 
     23    You should have received a copy of the GNU General Public License
     24    along with this program; if not, write to the Free Software
     25    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
     26    02111-1307, USA.
     27 
     28    The GNU General Public License is contained in the file COPYING.
     29 */
     30 
     31 #ifndef __PUB_TOOL_THREADSTATE_H
     32 #define __PUB_TOOL_THREADSTATE_H
     33 
     34 #include "pub_tool_basics.h"   // ThreadID
     35 
     36 /* The maximum number of pthreads that we support. */
     37 extern UInt VG_N_THREADS;
     38 
     39 /* Special magic value for an invalid ThreadId.  It corresponds to
     40    LinuxThreads using zero as the initial value for
     41    pthread_mutex_t.__m_owner and pthread_cond_t.__c_waiting. */
     42 #define VG_INVALID_THREADID ((ThreadId)(0))
     43 
     44 /* Get the TID of the thread which currently has the CPU. */
     45 extern ThreadId VG_(get_running_tid) ( void );
     46 
     47 #endif   // __PUB_TOOL_THREADSTATE_H
     48 
     49 /*--------------------------------------------------------------------*/
     50 /*--- end                                                          ---*/
     51 /*--------------------------------------------------------------------*/
     52