Patent US 5,953,530

The present invention is a system and method for a "debugger Run-Time-Checking for valid memory accesses for multi-threaded application programs" (hereinafter "RTC/MT") wherein a run-time process which includes multiple threads running either serially or concurrently, may be monitored by a debugger program and memory access errors detected and correctly attributed to the process thread encountering the error. The RTC/MT system of the present invention also provides an apparatus and method which monitors and reports memory leaks as required for multi-threaded target programs.