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From watch +‎ point, on the model of breakpoint.


watchpoint (plural watchpoints)

  1. (programming) A debugging mechanism whereby execution is suspended every time a specified memory location is modified; or, any of various similar such mechanisms.
    • 1990, NASA Tech Briefs (page 98)
      AdaRAID supports multiple CPUs running concurrently, Ada data types, features include break points, watchpoints, timing, tracing, stepping, walkbacks, and histories of last n executions.

Usage notes[edit]

  • Watchpoints are frequently called “data breakpoints” (or similar) and treated as a type of breakpoint; however, they are also frequently contrasted with breakpoints. In either case, the meaning of watchpoint is the same; the discrepancy is due to differing uses of the term breakpoint.