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Restore blocking mode before closing and restore TTY mode on unclean shutdown #58

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Merged
merged 2 commits into from
Nov 1, 2017
Merged

Restore blocking mode before closing and restore TTY mode on unclean shutdown #58

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0d6f7e5
Restore TTY mode on unclean shutdown (uncaught exception)
clue May 29, 2015
4c84374
Restore STDIN to default blocking mode before closing
clue Nov 1, 2017
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9 changes: 9 additions & 0 deletions src/Stdin.php
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Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,10 @@ public function __construct(LoopInterface $loop)
// Disable icanon (so we can fread each keypress) and echo (we'll do echoing here instead)
shell_exec('stty -icanon -echo');
}

// register shutdown function to restore TTY mode in case of unclean shutdown (uncaught exception)
// this will not trigger on SIGKILL etc., but the terminal should take care of this
register_shutdown_function(array($this, 'close'));
}

public function close()
Expand All @@ -52,6 +56,11 @@ private function restore()
shell_exec(sprintf('stty %s', $this->oldMode));
$this->oldMode = null;
}

// restore blocking mode so following programs behave normally
if (defined('STDIN') && is_resource(STDIN)) {
stream_set_blocking(STDIN, true);
}
}

/**
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