platform.h

/*
  Stockfish, a UCI chess playing engine derived from Glaurung 2.1
  Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
  Copyright (C) 2008-2013 Marco Costalba, Joona Kiiski, Tord Romstad

  Stockfish is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.

  Stockfish is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef PLATFORM_H_INCLUDED
#define PLATFORM_H_INCLUDED

#define NO_PREFETCH

#ifdef _MSC_VER

// Disable some silly and noisy warning from MSVC compiler
#pragma warning(disable: 4127) // Conditional expression is constant
#pragma warning(disable: 4146) // Unary minus operator applied to unsigned type
#pragma warning(disable: 4800) // Forcing value to bool 'true' or 'false'
#pragma warning(disable: 4996) // Function _ftime() may be unsafe

// MSVC does not support <inttypes.h>
typedef   signed __int8    int8_t;
typedef unsigned __int8   uint8_t;
typedef   signed __int16  int16_t;
typedef unsigned __int16 uint16_t;
typedef   signed __int32  int32_t;
typedef unsigned __int32 uint32_t;
typedef   signed __int64  int64_t;
typedef unsigned __int64 uint64_t;

#else
#  include <inttypes.h>
#endif

#  include <sys/time.h>

inline int64_t system_time_to_msec() {
  timeval t;
  gettimeofday(&t, NULL);
  return t.tv_sec * 1000LL + t.tv_usec / 1000;
}

#  include <pthread.h>
typedef pthread_mutex_t Lock;
typedef pthread_cond_t WaitCondition;
typedef pthread_t NativeHandle;
typedef void*(*pt_start_fn)(void*);

#  define lock_init(x) pthread_mutex_init(&(x), NULL)
#  define lock_grab(x) pthread_mutex_lock(&(x))
#  define lock_release(x) pthread_mutex_unlock(&(x))
#  define lock_destroy(x) pthread_mutex_destroy(&(x))
#  define cond_destroy(x) pthread_cond_destroy(&(x))
#  define cond_init(x) pthread_cond_init(&(x), NULL)
#  define cond_signal(x) pthread_cond_signal(&(x))
#  define cond_wait(x,y) pthread_cond_wait(&(x),&(y))
#  define cond_timedwait(x,y,z) pthread_cond_timedwait(&(x),&(y),z)

// Stub out thread management which is useless in JavaScript

#  define thread_create(x,f,t) (*f)(t)
#  define thread_join(x) NULL

#endif // #ifndef PLATFORM_H_INCLUDED