X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fplatform.h;h=af7795b9501da1fad19e6dd3a57614fd220394c2;hb=b1a4a18d63bf6e2f8051d738d6adab8b1097008e;hp=ad02575bc4b983d207543252049759816e39f21f;hpb=4381ea23feb33831ebe889e30645e10cf7032530;p=stockfish

diff --git a/src/platform.h b/src/platform.h
index ad02575b..af7795b9 100644
--- a/src/platform.h
+++ b/src/platform.h
@@ -17,10 +17,10 @@
   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
 #pragma warning(disable: 4127) // Conditional expression is constant
@@ -40,10 +40,9 @@ typedef unsigned __int64 uint64_t;
 
 #else
 #  include <inttypes.h>
-#  include <unistd.h>  // Used by sysconf(_SC_NPROCESSORS_ONLN)
 #endif
 
-#if !defined(_WIN32) && !defined(_WIN64) // Linux - Unix
+#ifndef _WIN32 // Linux - Unix
 
 #  include <sys/time.h>
 typedef timeval sys_time_t;
@@ -66,7 +65,7 @@ typedef void*(*pt_start_fn)(void*);
 #  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
@@ -77,7 +76,7 @@ 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; }
 
-#if !defined(NOMINMAX)
+#ifndef NOMINMAX
 #  define NOMINMAX // disable macros min() and max()
 #endif
 
@@ -105,9 +104,9 @@ inline DWORD* dwWin9xKludge() { static DWORD dw; return &dw; }
 #  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