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@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