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[GCD](https://en.wikipedia.org/wiki/Grand_Central_Dispatch).  This is an alternative to the [dispatch](https://crates.io/crates/dispatch/0.2.0) crate.\n\nThis crate is part of the [objr expanded universe universe](https://github.com/drewcrawford/objr#objr-expanded-universe) which provide low-level, zero-cost Rust abstractions\nfor Apple platform features that mimic code from first-party compilers.  Distinctive features of this library include:\n\n* Leverages [blocksr](https://github.com/drewcrawford/blocksr) technology for fast, low-overhead, static compile-time optimizations of dispatch calls.\n* Exposes a rich set of datatypes for `dispatch_data`, including managed, unmanaged, contiguous, and zero-copy-bridged flavors of data\n* Binds `dispatch_read`/write, the defacto API for nonblocking IO on macOS.\n    * Notably, the rest of the Rust ecosystem uses some cross-platform API to cover macOS, like `poll` or `kevent`.  These\n      lack various features and optimizations of the preferred API.\n    * In general, Apple implements the cross-platform APIs with about as much care as the developers using them to port cross-platform apps: *not enough*.\n* Binds `QoS`, which is *the* solution for task priority and responsive GUI apps on macOS\n\n# Status\ndispatchr covers large but incomplete portions of the libdispatch API.\n\n* global queues, dispatch_sync\n* qos\n* popular portions of io: `dispatch_read`, `dispatch_write`, `dispatch_io_create_with_path`\n* data\n* semaphore\n* source (timers only)\n","funding_links":[],"categories":[],"sub_categories":[],"project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdrewcrawford%2Fdispatchr","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fdrewcrawford%2Fdispatchr","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdrewcrawford%2Fdispatchr/lists"}