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| author | Steven Harman <steven@harmanly.com> | 2014-04-06 22:06:18 -0400 |
|---|---|---|
| committer | Steven Harman <steven@harmanly.com> | 2014-04-06 22:06:18 -0400 |
| commit | cb12e0408a88ca128da9c7a8a46ff4c75b0c4dd9 (patch) | |
| tree | 2777c148bfd0bf826bdade7983800c60446fda35 /activesupport/lib/active_support | |
| parent | 38ad5438cce26b23e24d268be3f9419627b76400 (diff) | |
| download | rails-cb12e0408a88ca128da9c7a8a46ff4c75b0c4dd9.tar.gz rails-cb12e0408a88ca128da9c7a8a46ff4c75b0c4dd9.tar.bz2 rails-cb12e0408a88ca128da9c7a8a46ff4c75b0c4dd9.zip | |
Add documentation for Thread#freeze
Diffstat (limited to 'activesupport/lib/active_support')
| -rw-r--r-- | activesupport/lib/active_support/core_ext/thread.rb | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/core_ext/thread.rb b/activesupport/lib/active_support/core_ext/thread.rb index ac1ffa4128..4cd6634558 100644 --- a/activesupport/lib/active_support/core_ext/thread.rb +++ b/activesupport/lib/active_support/core_ext/thread.rb @@ -62,6 +62,13 @@ class Thread _locals.has_key?(key.to_sym) end + # Freezes the thread so that thread local variables cannot be set via + # Thread#thread_variable_set, nor can fiber local variables be set. + # + # me = Thread.current + # me.freeze + # me.thread_variable_set(:oliver, "a") #=> RuntimeError: can't modify frozen thread locals + # me[:oliver] = "a" #=> RuntimeError: can't modify frozen thread locals def freeze _locals.freeze super |