Is there a specific reason for not using `forkpty` on macOS?

[tamuratak]

Hi,

With #587, forkpty is not used on macOS, used only on Linux. It would increase the maintenance burden. forkpty is also available on macOS.

• https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man3/forkpty.3.html

It seems to work just by removing lines in pty.cc for macOS. The following branch passes tests on macOS.

• https://github.com/tamuratak/node-pty/tree/use_forkpty_b
• https://github.com/tamuratak/node-pty/commit/be1e051703e8dc98639a311e2136e53513732201

ProductName: macOS ProductVersion: 11.7.5 BuildVersion: 20G1225

$ node -v v16.19.1

[tamuratak]

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