Add Async, Streams, and Futures concepts page and Migrating from WASI P2 to WASI P3 guide #25

	name: c-host

	on:
	merge_group:
	push:
	branches:
	- main

	pull_request:
	branches:
	- main

	defaults:
	run:
	shell: bash

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	env:
	WASMTIME_VERSION: "42.0.1"

	jobs:
	build-and-test:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2

	- name: Install Wasmtime C API
	run: \|
	curl -sL "https://github.com/bytecodealliance/wasmtime/releases/download/v${WASMTIME_VERSION}/wasmtime-v${WASMTIME_VERSION}-x86_64-linux-c-api.tar.xz" \
	\| sudo tar xJ --strip-components=1 -C /usr/local
	sudo ldconfig

	- name: Build the C host
	working-directory: component-model/examples/example-c-host
	run: gcc -o adder-host host.c -lwasmtime

	- name: Run the C host
	working-directory: component-model/examples/example-c-host
	run: \|
	./adder-host 1 2 ../example-host/add.wasm \| tee output.txt
	grep -q '1 + 2 = 3' output.txt

	docker:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2

	- name: Build Docker image
	working-directory: component-model/examples/example-c-host
	run: docker build -t example-c-host:latest .

	- name: Test Docker image
	working-directory: component-model/examples/example-c-host
	run: \|
	docker run --rm \
	-v "$(pwd)/../example-host/add.wasm":/component/add.wasm:ro \
	example-c-host:latest \| tee output.txt
	grep -q '1 + 2 = 3' output.txt

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