/*
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
+ Copyright (C) 2008-2015 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
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#if !defined(PLATFORM_H_INCLUDED)
+#ifndef PLATFORM_H_INCLUDED
#define PLATFORM_H_INCLUDED
-#if defined(_MSC_VER)
+#ifdef _MSC_VER
-// Disable some silly and noisy warning from MSVC compiler
+// Disable some silly and noisy warnings 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'
#else
# include <inttypes.h>
-# include <unistd.h> // Used by sysconf(_SC_NPROCESSORS_ONLN)
#endif
-#if !defined(_WIN32) // Linux - Unix
+#ifndef _WIN32 // Linux - Unix
# include <sys/time.h>
-typedef timeval sys_time_t;
-inline void system_time(sys_time_t* t) { gettimeofday(t, NULL); }
-inline int64_t time_to_msec(const sys_time_t& t) { return t.tv_sec * 1000LL + t.tv_usec / 1000; }
+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;
# 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)
-# define thread_create(x,f,t) !pthread_create(&(x),NULL,(pt_start_fn)f,t)
+# define thread_create(x,f,t) pthread_create(&(x),NULL,(pt_start_fn)f,t)
# define thread_join(x) pthread_join(x, NULL)
#else // Windows and MinGW
# include <sys/timeb.h>
-typedef _timeb sys_time_t;
-inline void system_time(sys_time_t* t) { _ftime(t); }
-inline int64_t time_to_msec(const sys_time_t& t) { return t.time * 1000LL + t.millitm; }
+inline int64_t system_time_to_msec() {
+ _timeb t;
+ _ftime(&t);
+ return t.time * 1000LL + t.millitm;
+}
-#if !defined(NOMINMAX)
+#ifndef NOMINMAX
# define NOMINMAX // disable macros min() and max()
#endif
#undef WIN32_LEAN_AND_MEAN
#undef NOMINMAX
-// We use critical sections on Windows to support Windows XP and older versions,
-// unfortunatly cond_wait() is racy between lock_release() and WaitForSingleObject()
+// We use critical sections on Windows to support Windows XP and older versions.
+// Unfortunately, cond_wait() is racy between lock_release() and WaitForSingleObject()
// but apart from this they have the same speed performance of SRW locks.
typedef CRITICAL_SECTION Lock;
typedef HANDLE WaitCondition;
typedef HANDLE NativeHandle;
-// On Windows 95 and 98 parameter lpThreadId my not be null
+// On Windows 95 and 98 parameter lpThreadId may not be null
inline DWORD* dwWin9xKludge() { static DWORD dw; return &dw; }
# define lock_init(x) InitializeCriticalSection(&(x))
# define cond_signal(x) SetEvent(x)
# define cond_wait(x,y) { lock_release(y); WaitForSingleObject(x, INFINITE); lock_grab(y); }
# define cond_timedwait(x,y,z) { lock_release(y); WaitForSingleObject(x,z); lock_grab(y); }
-# define thread_create(x,f,t) (x = CreateThread(NULL,0,(LPTHREAD_START_ROUTINE)f,t,0,dwWin9xKludge()), x != NULL)
+# define thread_create(x,f,t) (x = CreateThread(NULL,0,(LPTHREAD_START_ROUTINE)f,t,0,dwWin9xKludge()))
# define thread_join(x) { WaitForSingleObject(x, INFINITE); CloseHandle(x); }
#endif
-#endif // !defined(PLATFORM_H_INCLUDED)
+#endif // #ifndef PLATFORM_H_INCLUDED