Cnd_broadcast
cnd_broadcast is a C threads-library function that wakes all threads waiting on a condition variable.
Modern C, Third Edition
cnd_broadcast is a C threads-library function that wakes all threads waiting on a condition variable.
- How it is used
- Coordinates all threads waiting for a condition variable when shared-state changes require each waiter to recheck its condition.
- How deep it goes
- Defines wake-all behavior, wait-loop discipline, and mutex-mediated visibility without presenting a dedicated broadcast implementation.
- Examples
- Uses a draw-thread wait loop and the C condition-variable declarations to illustrate notification and condition rechecking.
- What you can do after
- Apply it via C condition-variable interfaces while preserving shared-state visibility through the waiters’ mutex.
Modern C
cnd_broadcast is a C11 condition-variable function that wakes all threads waiting on a condition variable.
- How it is used
- Coordinates threads by waking every waiter when shared state may satisfy their condition.
- How deep it goes
- Defines wakeup behavior and mutex discipline, while deferring implementation internals.
- Examples
- Uses input, account, update, and draw threads with predicate-checking wait loops.
- What you can do after
- Apply it via the C11 condition-variable API while protecting shared state with the associated mutex.
Related concepts
- condition variableuses · A condition variable is a synchronization object that allows threads to wait for a shared-state condition and be notified when it may have changed.
- cnd_signalcontrasts with · cnd_signal is a C threads-library function that wakes one thread waiting on a condition variable.
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