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Fix Ctrl-C being lost or crashing duct - #456

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asmacdo wants to merge 21 commits into

con:mainfrom

asmacdo:signal-test-handshake

Open

Fix Ctrl-C being lost or crashing duct#456
asmacdo wants to merge 21 commits into
con:mainfrom
asmacdo:signal-test-handshake

Commits on Sep 30, 2026
- coverage: measure subprocesses spawned by tests
  
  asmacdo
  and
  claude
  committed
  b4ee0bd
- coverage: save data before exec so the duct shim is measured
  
  asmacdo
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  claude
  committed
  a1ea315
- gitignore: per-process coverage data files
  
  asmacdo
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  claude
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  9adec16
- test: add start_duct helper that waits until duct handles signals
  
  asmacdo
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  claude
  committed
  d6e91ee
- signals: forward Ctrl-C before logging it
  
  asmacdo
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  claude
  committed
  da47787
- test: run test_signal_int as e2e, signalling only once duct is ready
  
  asmacdo
  and
  claude
  committed
  bc8b246
- signals: install the SIGINT handler before starting the command
  
  asmacdo
  and
  claude
  committed
  98588d1
- test: run test_signal_kill as e2e, waiting for each step
  
  asmacdo
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  claude
  committed
  a229c99
- test: keep the session-mode marker alive for the whole test
  
  asmacdo
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  claude
  committed
  d990831
Commits on Oct 1, 2026
- test: let signal_ignorer.py live 60 s, like the other test caps
  
  asmacdo
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  claude
  committed
  f1fd650
- test: start_duct sets --log-level=INFO itself
  
  asmacdo
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  claude
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  56b7595
- test: show duct's stderr when a signal test fails early
  
  asmacdo
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  claude
  committed
  dd4fc7b
- tox: require coverage >= 7.10 for the test environments
  
  asmacdo
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  claude
  committed
  9ca6061
- signals: do not crash when a Ctrl-C is handled after the command exited
  
  asmacdo
  and
  claude
  committed
  deb62e3
- signals: start duct's threads with SIGINT blocked
  
  asmacdo
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  claude
  committed
  4cb7077
- test: cover --fail-time thresholds on their own
  
  asmacdo
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  claude
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  2d3e841
- test: signal tests use only run-time-independent --fail-time values
  
  asmacdo
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  claude
  committed
  b96eb27
Commits on Oct 8, 2026
- signals: write the log message raw when the stderr writer is locked
  
  asmacdo
  and
  claude
  committed
  f40bba8
- fixup! test: keep the session-mode marker alive for the whole test
  asmacdo
  committed
  4bb6aa9
Commits on Oct 12, 2026
- signals: block SIGINT while attach() hands the pid over
  
  authored and
  asmacdo
  committed
  5f3b75c
- signals: share one context manager for blocking SIGINT
  
  asmacdo
  and
  claude
  committed
  865f4b9

Commits

Commits on Sep 30, 2026

Commits on Oct 1, 2026

Commits on Oct 8, 2026

Commits on Oct 12, 2026