A Swift library providing simple, Swifty APIs for thread synchronization using GCD with EREW and CREW concurrency modes.
SwiftSafe is a Swift library that simplifies thread synchronization by providing Swifty APIs over Grand Central Dispatch (GCD). It solves the problem of race conditions and thread safety in performance-sensitive classes by offering clear methods to protect shared resources with EREW and CREW concurrency modes.
iOS and macOS developers working on multi-threaded applications who need to ensure thread safety without dealing with complex GCD APIs directly.
Developers choose SwiftSafe for its straightforward, intent-revealing API that abstracts GCD complexities, reduces boilerplate, and prevents common synchronization errors like deadlocks and race conditions.
Thread synchronization made easy.
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Provides intuitive `read` and `write` closure-based methods that make synchronization intent explicit, as demonstrated in the cache example, reducing boilerplate and improving code clarity.
Supports CREW mode allowing multiple threads to read simultaneously while ensuring exclusive writes, optimizing performance for read-heavy applications like caches.
Abstracts complex Grand Central Dispatch APIs into a Swifty interface, making it easier for newcomers to implement thread safety without deep GCD knowledge.
Ensures internal invariants are maintained across threads, eliminating race conditions with minimal setup, as highlighted in the README's emphasis on preventing debugging headaches.
Only supports EREW and CREW modes, lacking other common patterns like read-preferring or write-preferring locks, which might be needed for more complex synchronization scenarios.
The README explicitly states that EREW mode is prone to deadlocks, requiring developers to be cautious and potentially implement additional safeguards.
`read` closures always block the caller thread, which can impact performance in high-concurrency environments, as noted in the usage section where writes don't block.