engine: move TIMER_LINUX to TIMER_POSIX, enabling dedicated builds for FreeBSD and other *nix platforms

common/backends.h

@@ -44,7 +44,7 @@ GNU General Public License for more details.
 // timer (XASH_TIMER)
 #define TIMER_NULL  0 // not used
 #define TIMER_SDL   1
-#define TIMER_LINUX 2
+#define TIMER_POSIX 2
 #define TIMER_WIN32 3
 #define TIMER_DOS   4
 

common/defaults.h

@@ -128,7 +128,7 @@ SETUP BACKENDS DEFINITIONS
 	#if XASH_WIN32
 		#define XASH_TIMER TIMER_WIN32
 	#else // !XASH_WIN32
-		#define XASH_TIMER TIMER_LINUX
+		#define XASH_TIMER TIMER_POSIX
 	#endif // !XASH_WIN32
 #endif
 

engine/platform/linux/sys_linux.c

@@ -18,22 +18,6 @@ GNU General Public License for more details.
 #include <fcntl.h>
 #include "platform/platform.h"
 
-#if XASH_TIMER == TIMER_LINUX
-double Platform_DoubleTime( void )
-{
-	struct timespec ts;
-
-	clock_gettime(CLOCK_MONOTONIC, &ts);
-
-	return (double) ts.tv_sec + (double) ts.tv_nsec/1000000000.0;
-}
-
-void Platform_Sleep( int msec )
-{
-	usleep( msec * 1000 );
-}
-#endif // XASH_TIMER == TIMER_LINUX
-
 qboolean Sys_DebuggerPresent( void )
 {
 	char buf[4096];

engine/platform/posix/sys_posix.c

@@ -153,3 +153,19 @@ void Platform_Init( void )
 }
 void Platform_Shutdown( void ) {}
 #endif
+
+#if XASH_TIMER == TIMER_POSIX
+double Platform_DoubleTime( void )
+{
+	struct timespec ts;
+
+	clock_gettime(CLOCK_MONOTONIC, &ts);
+
+	return (double) ts.tv_sec + (double) ts.tv_nsec/1000000000.0;
+}
+
+void Platform_Sleep( int msec )
+{
+	usleep( msec * 1000 );
+}
+#endif // XASH_TIMER == TIMER_POSIX