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paskal / ralphex / 22034980168
82%
master: 82%

Build:
Build:
LAST BUILD BRANCH: fix/windows-comment-setsid
DEFAULT BRANCH: master
Ran 15 Feb 2026 11:38AM UTC
Jobs 1
Files 38
Run time 1min
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15 Feb 2026 11:37AM UTC coverage: 81.708% (+0.08%) from 81.629%
22034980168

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fix: use Setsid instead of Setpgid to prevent terminal signal hang

Previously, `Setpgid: true` created a new process group within the same
session, which meant the child inherited the controlling terminal. When
Claude CLI's descendants (zsh shell snapshot, gopls) attempted terminal
I/O, the kernel delivered SIGTTIN/SIGTTOU and stopped the entire process
group—hanging ralphex indefinitely.

After this change, `Setsid: true` creates a new session, fully
detaching the child from the controlling terminal. Process group
cleanup via `syscall.Kill(-pid, sig)` still works identically since
the child becomes session leader of its own process group.

Tested on macOS (Darwin 25.2.0, arm64) with Claude CLI v2.1.30–v2.1.42;
the hang reproduced 100% with Setpgid and 0% with Setsid.

1 of 1 new or added line in 1 file covered. (100.0%)

9 existing lines in 1 file now uncovered.

5235 of 6407 relevant lines covered (81.71%)

185.96 hits per line

Uncovered Existing Lines

Lines Coverage ∆ File
9
81.63
0.0% pkg/executor/procgroup_unix.go
Jobs
ID Job ID Ran Files Coverage
1 22034980168.1 15 Feb 2026 11:38AM UTC 38
81.71
GitHub Action Run
Source Files on build 22034980168
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  • List 38
  • Changed 2
  • Source Changed 0
  • Coverage Changed 2
Coverage ∆ File Lines Relevant Covered Missed Hits/Line
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