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<?php
namespace Laravel\Horizon\Console;
use Illuminate\Console\Command;
use Illuminate\Support\Str;
use Laravel\Horizon\Contracts\SupervisorRepository;
use Laravel\Horizon\MasterSupervisor;
class PauseSupervisorCommand extends Command
{
/**
* The name and signature of the console command.
*
* @var string
*/
protected $signature = 'horizon:pause-supervisor
{name : The name of the supervisor to pause}';
/**
* The console command description.
*
* @var string
*/
protected $description = 'Pause a supervisor';
/**
* Execute the console command.
*
* @param \Laravel\Horizon\Contracts\SupervisorRepository $supervisors
* @return void
*/
public function handle(SupervisorRepository $supervisors)
{
$processId = optional(collect($supervisors->all())->first(function ($supervisor) {
return Str::startsWith($supervisor->name, MasterSupervisor::basename())
&& Str::endsWith($supervisor->name, $this->argument('name'));
}))->pid;
if (is_null($processId)) {
$this->error('Failed to find a supervisor with this name');
return 1;
}
$this->info("Sending USR2 Signal To Process: {$processId}");
if (! posix_kill($processId, SIGUSR2)) {
$this->error("Failed to send USR2 signal to process: {$processId} (".posix_strerror(posix_get_last_error()).')');
}
}
}