wasi preview 2 support (#4027)

* all: wasip2 support Co-authored-by: Randy Reddig <randy.reddig@fastly.com>
2026-09-04 19:59:03 +00:00 · 2024-07-02 07:02:03 -07:00
parent f18c6e342f
commit 9cb263479c
125 changed files with 7035 additions and 154 deletions
@@ -0,0 +1,110 @@
+// Code generated by wit-bindgen-go. DO NOT EDIT.
+
+//go:build !wasip1
+
+// Package poll represents the imported interface "wasi:io/poll@0.2.0".
+//
+// A poll API intended to let users wait for I/O events on multiple handles
+// at once.
+package poll
+
+import (
+	"github.com/ydnar/wasm-tools-go/cm"
+)
+
+// Pollable represents the imported resource "wasi:io/poll@0.2.0#pollable".
+//
+// `pollable` represents a single I/O event which may be ready, or not.
+//
+//	resource pollable
+type Pollable cm.Resource
+
+// ResourceDrop represents the imported resource-drop for resource "pollable".
+//
+// Drops a resource handle.
+//
+//go:nosplit
+func (self Pollable) ResourceDrop() {
+	self0 := cm.Reinterpret[uint32](self)
+	wasmimport_PollableResourceDrop((uint32)(self0))
+	return
+}
+
+//go:wasmimport wasi:io/poll@0.2.0 [resource-drop]pollable
+//go:noescape
+func wasmimport_PollableResourceDrop(self0 uint32)
+
+// Block represents the imported method "block".
+//
+// `block` returns immediately if the pollable is ready, and otherwise
+// blocks until ready.
+//
+// This function is equivalent to calling `poll.poll` on a list
+// containing only this pollable.
+//
+//	block: func()
+//
+//go:nosplit
+func (self Pollable) Block() {
+	self0 := cm.Reinterpret[uint32](self)
+	wasmimport_PollableBlock((uint32)(self0))
+	return
+}
+
+//go:wasmimport wasi:io/poll@0.2.0 [method]pollable.block
+//go:noescape
+func wasmimport_PollableBlock(self0 uint32)
+
+// Ready represents the imported method "ready".
+//
+// Return the readiness of a pollable. This function never blocks.
+//
+// Returns `true` when the pollable is ready, and `false` otherwise.
+//
+//	ready: func() -> bool
+//
+//go:nosplit
+func (self Pollable) Ready() (result bool) {
+	self0 := cm.Reinterpret[uint32](self)
+	result0 := wasmimport_PollableReady((uint32)(self0))
+	result = cm.U32ToBool((uint32)(result0))
+	return
+}
+
+//go:wasmimport wasi:io/poll@0.2.0 [method]pollable.ready
+//go:noescape
+func wasmimport_PollableReady(self0 uint32) (result0 uint32)
+
+// Poll represents the imported function "poll".
+//
+// Poll for completion on a set of pollables.
+//
+// This function takes a list of pollables, which identify I/O sources of
+// interest, and waits until one or more of the events is ready for I/O.
+//
+// The result `list<u32>` contains one or more indices of handles in the
+// argument list that is ready for I/O.
+//
+// If the list contains more elements than can be indexed with a `u32`
+// value, this function traps.
+//
+// A timeout can be implemented by adding a pollable from the
+// wasi-clocks API to the list.
+//
+// This function does not return a `result`; polling in itself does not
+// do any I/O so it doesn't fail. If any of the I/O sources identified by
+// the pollables has an error, it is indicated by marking the source as
+// being reaedy for I/O.
+//
+//	poll: func(in: list<borrow<pollable>>) -> list<u32>
+//
+//go:nosplit
+func Poll(in cm.List[Pollable]) (result cm.List[uint32]) {
+	in0, in1 := cm.LowerList(in)
+	wasmimport_Poll((*Pollable)(in0), (uint32)(in1), &result)
+	return
+}
+
+//go:wasmimport wasi:io/poll@0.2.0 poll
+//go:noescape
+func wasmimport_Poll(in0 *Pollable, in1 uint32, result *cm.List[uint32])