From 93ed14242647c8f0ca1ed8d5e3f3238e70671f07 Mon Sep 17 00:00:00 2001
From: havoc <havoc@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Sun, 1 Feb 2004 22:30:51 +0000
Subject: [PATCH] changed Sys_Sleep from (void) to (int milliseconds), now
 wastes a lot less cpu time while waiting for the next frame

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@3847 d7cf8633-e32d-0410-b094-e92efae38249
---
 cl_parse.c  |  2 +-
 host.c      |  2 +-
 sys.h       |  2 +-
 sys_linux.c |  8 +++++---
 sys_sdl.c   | 10 ++++------
 sys_win.c   |  6 ++++--
 6 files changed, 16 insertions(+), 14 deletions(-)

diff --git a/cl_parse.c b/cl_parse.c
index 90953375..dfe44a98 100644
--- a/cl_parse.c
+++ b/cl_parse.c
@@ -206,7 +206,7 @@ void CL_KeepaliveMessage (void)
 		MSG_WriteChar(&msg, svc_nop);
 		NetConn_SendUnreliableMessage(cls.netcon, &msg);
 		// try not to utterly crush the computer with work, that's just rude
-		Sys_Sleep();
+		Sys_Sleep(1);
 	}
 }
 
diff --git a/host.c b/host.c
index f1943a74..09683f91 100644
--- a/host.c
+++ b/host.c
@@ -577,7 +577,7 @@ qboolean Host_FilterTime (double time)
 		{
 			// don't totally hog the CPU
 			if (timeleft >= 0.02)
-				Sys_Sleep();
+				Sys_Sleep(timeleft * 1000 - 5);
 			return false;
 		}
 	}
diff --git a/sys.h b/sys.h
index 6b38df3e..73e2da0d 100644
--- a/sys.h
+++ b/sys.h
@@ -67,7 +67,7 @@ double Sys_DoubleTime (void);
 
 char *Sys_ConsoleInput (void);
 
-void Sys_Sleep (void);
+void Sys_Sleep(int milliseconds);
 // called to yield for a little bit so as
 // not to hog cpu when paused or debugging
 
diff --git a/sys_linux.c b/sys_linux.c
index 728ff5fd..c61e01b7 100644
--- a/sys_linux.c
+++ b/sys_linux.c
@@ -194,12 +194,14 @@ char *Sys_ConsoleInput(void)
 	return NULL;
 }
 
-void Sys_Sleep(void)
+void Sys_Sleep(int milliseconds)
 {
+	if (milliseconds < 1)
+		milliseconds = 1;
 #ifdef WIN32
-	Sleep (1);
+	Sleep(milliseconds);
 #else
-	usleep(1);
+	usleep(milliseconds * 1000);
 #endif
 }
 
diff --git a/sys_sdl.c b/sys_sdl.c
index bb236494..9c757167 100644
--- a/sys_sdl.c
+++ b/sys_sdl.c
@@ -195,13 +195,11 @@ char *Sys_ConsoleInput(void)
 	return NULL;
 }
 
-void Sys_Sleep(void)
+void Sys_Sleep(int milliseconds)
 {
-#ifdef WIN32
-	Sleep (1);
-#else
-	usleep(1);
-#endif
+	if (milliseconds < 1)
+		milliseconds = 1;
+	SDL_Delay(milliseconds);
 }
 
 int SDL_main (int argc, char *argv[])
diff --git a/sys_win.c b/sys_win.c
index 34f82380..f3ea0e28 100644
--- a/sys_win.c
+++ b/sys_win.c
@@ -271,9 +271,11 @@ char *Sys_ConsoleInput (void)
 	return NULL;
 }
 
-void Sys_Sleep (void)
+void Sys_Sleep(int milliseconds)
 {
-	Sleep (1);
+	if (milliseconds < 1)
+		milliseconds = 1;
+	Sleep(milliseconds);
 }
 
 
-- 
2.39.2