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Wait for pager to terminate #1192

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Merged
tompng merged 1 commit into from
Mar 27, 2026
+8 −0
Merged

Wait for pager to terminate #1192

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8 changes: 8 additions & 0 deletions lib/irb/pager.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -42,6 +42,14 @@ def page(retain_content: false)
# SIGTERM not supported (windows)
Process.kill("KILL", pid)
end

begin
# Wait for the pager process to terminate.
# Reading next input from Reline before the pager process is fully terminated
# may cause issues like raw/cooked mode not being controlled properly.
Process.waitpid(pid) if pid
rescue Errno::ECHILD, Errno::ESRCH
end
rescue Errno::ESRCH
# Pager process already terminated
end
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