process's Introduction

process

Basic usage

Start the process, it is an example to wait until the end.
information of stdout and stderr are output to the buffer.

use HHPack\Process;

<<__EntryPoint>>
async function main() : Awaitable<noreturn>
{
  $result = await Process\exec('hh_client restart');
  $result->stdout()->display();
  $result->stderr()->display();

  $result = await Process\exec('hh_client check --json');
  $result->display();

  exit(0);
}

Execution of the script

If you want to run the script, you can run in execFile function.

use HHPack\Process;

<<__EntryPoint>>
async function main() : Awaitable<noreturn>
{
  $result = await Process\execFile('/path/to/example.hh', [ 'a', 'b' ]);
  $result->stdout()->display();
  $result->stderr()->display();

  exit(0);
}

Manual control of the process

You can use the spawn function to generate a new child process.
To wait for the generated child process to finish use the wait method.

use HHPack\Process;
use HHPack\Process\ProcessOptions;

<<__EntryPoint>>
async function pipe_example() : Awaitable<noreturn>
{
  $options = new ProcessOptions();
  $options->stdout(new Stdout());
  $options->stderr(new Stderr());

  using ($p = Process\spawn('hh_client restart', [], $options)) {
    await $p->wait();
  }

  exit(0);
}