Use ros::Duration for sleep for cross-platform (#48)

seanyen · wjwwood · commit ead3e3b8e80c · 2019-01-29T09:36:19.000-08:00
Some systems (e.g. Windows) doesn't have POSIX sleep built-in in the runtime library. Use ros::Duration::sleep for better cross-compiling between platforms.
diff --git a/visualization_marker_tutorials/src/basic_shapes.cpp b/visualization_marker_tutorials/src/basic_shapes.cpp
@@ -112,7 +112,7 @@ int main( int argc, char** argv )
         return 0;
       }
       ROS_WARN_ONCE("Please create a subscriber to the marker");
-      sleep(1);
+      ros::Duration(1.0).sleep();
     }
     marker_pub.publish(marker);
 // %EndTag(PUBLISH)%

Original file line number	Diff line number	Diff line change
`@@ -112,7 +112,7 @@ int main( int argc, char** argv )`
`112`	`112`	`return 0;`
`113`	`113`	`}`
`114`	`114`	`ROS_WARN_ONCE("Please create a subscriber to the marker");`
`115`		`- sleep(1);`
	`115`	`+ ros::Duration(1.0).sleep();`
`116`	`116`	`}`
`117`	`117`	`marker_pub.publish(marker);`
`118`	`118`	`// %EndTag(PUBLISH)%`