The osrs_ol script is used by the Open Source Rule Set to handle the OnLock event. The content of the script is the following.
///////////////////////////////////////////////////////////////////////////// // // file: // osrs_ol // // purpose: // OnLock event script. // ///////////////////////////////////////////////////////////////////////////// // the include file for Open Source Rule Set events #include "osrs_inc" ///////////////////////////////////////////////////////////////////////////// void main() { // determine what type of object is calling this script int iCallingClass = osrs_GetCallerEventClass(OBJECT_SELF); switch(iCallingClass) { //////////////////////////////////////// placeable case I_OSRS_EVENT_CLASS_PLACEABLE: // Placeable::OnLock Pre-event if (!osrs_p_ol_pre()) { return; } // Placeable::OnLock event if (!osrs_p_ol()) { return; } // Placeable::OnLock post-event osrs_p_ol_post(); break; //////////////////////////////////////// door case I_OSRS_EVENT_CLASS_DOOR: // Door::OnLock Pre-event if (!osrs_d_ol_pre()) { return; } // Door::OnLock event if (!osrs_d_ol()) { return; } // Door::OnLock post-event osrs_d_ol_post(); break; } }