Tag
reentrancy
- Oct 24, 2026 Signals as Deferred Interrupts and the Async-Signal-Safe Subset How a signal handler interrupts an arbitrary instruction, why most library calls are unsafe inside one, and what the small permitted subset actually guarantees. computing history
- Dec 3, 2025 Resident Programs and the Reentrancy Problem in DOS Terminate-and-stay-resident code hooks the timer or keyboard interrupt, but DOS itself is not reentrant, so a resident handler must either defer work or re-enter through a documented flag. computing history