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46 lines
1.3 KiB
46 lines
1.3 KiB
From 2daad257bee7a500e18ebe553e79487b267fb140 Mon Sep 17 00:00:00 2001
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From: Nobuyoshi Nakada <nobu@ruby-lang.org>
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Date: Mon, 12 Aug 2024 20:18:34 +0900
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Subject: [PATCH] Avoid another race condition of open mode
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Instead, just open in CREATE and APPEND mode.
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Also, move the workaround for old Solaris as fallback to retry.
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---
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lib/rubygems.rb | 14 +++++---------
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1 file changed, 5 insertions(+), 9 deletions(-)
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diff --git a/lib/rubygems.rb b/lib/rubygems.rb
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index 2b52cde0a749..c51ba69203cb 100644
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--- a/lib/rubygems.rb
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+++ b/lib/rubygems.rb
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@@ -778,24 +778,20 @@ def self.open_file(path, flags, &block)
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File.open(path, flags, &block)
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end
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+ MODE_TO_FLOCK = IO::RDONLY | IO::APPEND | IO::CREAT # :nodoc:
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+
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##
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# Open a file with given flags, and protect access with flock
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def self.open_file_with_flock(path, &block)
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- flags = File.exist?(path) ? "r+" : "a+"
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-
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- File.open(path, flags) do |io|
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+ File.open(path, MODE_TO_FLOCK) do |io|
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begin
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io.flock(File::LOCK_EX)
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rescue Errno::ENOSYS, Errno::ENOTSUP
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+ rescue Errno::ENOLCK # NFS
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+ raise unless Thread.main == Thread.current
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end
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yield io
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- rescue Errno::ENOLCK # NFS
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- if Thread.main != Thread.current
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- raise
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- else
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- open_file(path, flags, &block)
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- end
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end
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end
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