lib: Introduce async library #264
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with as extra above uc_cfunction_t a feedback function which is called on destruction, plus a way to allocate extra user bytes in the creator function.
This library adds setTimout(), setInterval(), setImmediate(), clearTimeout(), Promise(), PromiseAll(), PromiseAny(), PromiseRace(), PromiseAllSettled(), throw(), uptime() and PumpEvents().
And it adds a c API to offload work to another thread. This is (partly) demonstrated in examples/async-worker.c. Further is adds a c API to call directly into the script from another thread. ('Alien' calls). This is demonstrated in examples/async-alien.c. This c API adds no link-time dependencies, everything is handled through a registry entry.
The script functions (are supposed to) behave the same as their ECMAscript counterparts, except throw(). throw() is a function, not a keyword.
I injected 1 inline function in uc_vm_execute() in libucode, after the central uc_vm_execute_chunk() to pump events until no more timers and promises are pending,
It's also possible to explicitly pump inside the script, using PumpEvents(), which in that case can also be used as delay() function.
…declared as _Atomic, while this isn't needed (or forced) in gcc.
Add a warning suppressing pragma.
Remove unused inline function 'async_callback_queuer_cast()'.
…upported by MacOS.
Owner
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I see you introduced a new function type to achieve a closure with garbage collection. I think we should extend the existing resource type to allow for callable values, e.g. by providing a I’ll draft something and get back here |
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This library adds setTimout(), setInterval(), setImmediate(), clearTimeout(), Promise(), PromiseAll(), PromiseAny(), PromiseRace(), PromiseAllSettled(), throw(), uptime() and PumpEvents().
And it adds a c API to offload work to another thread. This is (partly) demonstrated in examples/async-worker.c. Further is adds a c API to call directly into the script from another thread. ('Alien' calls). This is demonstrated in examples/async-alien.c. This c API adds no link-time dependencies, everything is handled through a registry entry.
The script functions (are supposed to) behave the same as their ECMAscript counterparts, except throw(). throw() is a function, not a keyword.
I injected 1 inline function in uc_vm_execute() in libucode, after the central uc_vm_execute_chunk() to pump events until no more timers and promises are pending,
It's also possible to explicitly pump inside the script, using PumpEvents(), which in that case can also be used as delay() function.