nuttx-apps/examples/hello_nim/hello_nim_async.nim
2025-01-30 02:18:52 +08:00

43 lines
1.4 KiB
Nim

#[
****************************************************************************
* apps/examples/hello_nim/hello_nim_async.c
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
]#
import std/asyncdispatch
import std/strformat
proc task(id: int): Future[void] {.async.} =
for loop in 0..2:
echo &"Hello from task {id}! loops: {loop}"
if loop < 2:
await sleepAsync(1000)
proc launch() {.async.} =
for id in 1..2:
asyncCheck task(id)
await sleepAsync(200)
await task(3)
proc hello_nim() {.exportc, cdecl.} =
waitFor launch()
GC_runOrc()