1 files changed, 28 insertions, 0 deletions
diff --git a/src/sys/sys_unix.c b/src/sys/sys_unix.c
index a170f21d..230d8c44 100644
--- a/src/sys/sys_unix.c
+++ b/src/sys/sys_unix.c
@@ -448,3 +448,31 @@ char *Sys_StripAppBundle( char *dir )
 	return cwd;
 }
 #endif // MACOS_X
+
+
+/*
+==================
+Sys_Sleep
+
+Block execution for msec or until input is recieved.
+==================
+*/
+void Sys_Sleep( int msec )
+{
+	fd_set fdset;
+
+	FD_ZERO(&fdset);
+	FD_SET(fileno(stdin), &fdset);
+	if( msec < 0 )
+	{
+		select((fileno(stdin) + 1), &fdset, NULL, NULL, NULL);
+	}
+	else
+	{
+		struct timeval timeout;
+
+		timeout.tv_sec = msec/1000;
+		timeout.tv_usec = (msec%1000)*1000;
+		select((fileno(stdin) + 1), &fdset, NULL, NULL, &timeout);
+	}
+}