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facil.io v0.6.0 Release Notes

  • 🔖 Version 0.6.0 is a major release, changing much of the extension API (HTTP, pub/sub, CLI) and some of the core API (i.e., moving the evio polling from level-triggered to one-shot polling, a rewrite to the facil.io dynamic object types FIOBJ, and more).

    🚀 The following updates are included in this release (in addition to the beta updates):

    🛠 Fix: (pubsub) Fixed an issue where deferred pub/sub messages would have udata2 set to udata1 instead of the actual correct value.

    🛠 Fix: (facil) Fixed the facil_is_running() function, which could crash if facil.io wasn't initialized before the function was called.

    🛠 Fix: (facil) Fix CPU limit detection. Negative values are now meaningful (fraction of CPU cores, so -2 == cores/2). Zero values are replaced by facil.io.

    ⚡️ Update: (facil) Hot restart is now available for cluster mode. By sending the SIGUSR1 signal to the program, facil.io will shutdown any worker processes and re-spawn new workers, allowing for a hot restart feature. Disable using FACIL_DISABLE_HOT_RESTART

    ⚡️ Update: (facil) Dedicated system mode can be toggled by setting the FIO_DEDICATED_SYSTEM macro during compile time. When FIO_DEDICATED_SYSTEM is set, facil.io will assume all the CPU cores are available and it will activate threads sooner. When FIO_DEDICATED_SYSTEM is defined as 0, facil.io will limit thread to protect against slow user code (rather than attempt concurrent IO).

    ⚡️ Update: (fio_mem) replaced the double linked list logic with a single linked list to make the library more independent as well as reduce some operations.

    🔨 As well as some refactoring and minor adjustments.