pmg/internal/pty at 9714a6f4c215f54e84c318f25d7c92b45858f4fd - pmg

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9714a6f4c2 fix(pty): treat background jobs as non-interactive to avoid SIGTTOU stop (#324 )

* fix(pty): treat background jobs as non-interactive to avoid SIGTTOU stop

IsInteractiveTerminal only checked that stdin/stdout are TTYs. A background
job (pmg npm run test &) still has the TTY on stdin/stdout, so pmg picked
PTY mode and called tcsetattr to enter raw mode. Changing terminal modes
from a background process group makes the kernel stop the process with
SIGTTOU, leaving the job hanging in Stopped state.

Check that the process group is the terminal's foreground process group
(tcgetpgrp == getpgrp) before treating the terminal as interactive, so
background jobs fall through to direct execution.

Fixes #322

https://claude.ai/code/session_01PBBo5CKkzg68MMGrgCTQcY

* test(pty): fail on output copy timeout to avoid racy buffer read

Reading the output buffer after a silent select timeout races with the
io.Copy goroutine still writing to it. Fail the test on timeout instead.

Also fix a grammar nit in the IsInteractiveTerminal doc comment.

https://claude.ai/code/session_01PBBo5CKkzg68MMGrgCTQcY

---------

Co-authored-by: Claude <noreply@anthropic.com>

2026-06-10 09:57:08 +05:30

exiterror_test.go

fix: Suppress non-PMG error from Critical UI Error (#311 )

2026-05-29 14:49:53 +00:00

foreground_unix.go

fix(pty): treat background jobs as non-interactive to avoid SIGTTOU stop (#324 )

2026-06-10 09:57:08 +05:30

foreground_windows.go

fix(pty): treat background jobs as non-interactive to avoid SIGTTOU stop (#324 )

2026-06-10 09:57:08 +05:30

input_read_unix.go

refactor: Maintain single code path for package manager execution (#256 )