Law firm refers to the working organization where People's Republic of China (PRC) lawyers perform their duties and carry out business activities. The organization of law firms shall be supervised and managed by judicial administrative organs and lawyers associations.
Trap refers to the mechanism that when an exception or interrupt occurs, the processor captures an execution thread and transfers control to a fixed address in the operating system. Modern operating system is driven by interrupts, which are divided into hardware interrupts and software interrupts. A trap is a software interrupt. If the computer has no process to execute and no user responds to the request, the operating system will wait for the event to happen. Events are always caused by interrupts or traps.