include/pub_tool_threadstate.h

   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) 2000-2017 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, see <http://www.gnu.org/licenses/>.
  25
  26    The GNU General Public License is contained in the file COPYING.
  27 */
  28
  29 #ifndef __PUB_TOOL_THREADSTATE_H
  30 #define __PUB_TOOL_THREADSTATE_H
  31
  32 #include "pub_tool_basics.h"   // ThreadID
  33
  34 /* The maximum number of pthreads that we support. */
  35 extern UInt VG_N_THREADS;
  36
  37 /* Special magic value for an invalid ThreadId.  It corresponds to
  38    LinuxThreads using zero as the initial value for
  39    pthread_mutex_t.__m_owner and pthread_cond_t.__c_waiting. */
  40 #define VG_INVALID_THREADID ((ThreadId)(0))
  41
  42 /* Get the TID of the thread which currently has the CPU. */
  43 extern ThreadId VG_(get_running_tid) ( void );
  44
  45 #endif   // __PUB_TOOL_THREADSTATE_H
  46
  47 /*--------------------------------------------------------------------*/
  48 /*--- end                                                          ---*/
  49 /*--------------------------------------------------------------------*/