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* signal.c (sig_trap): don't permit to change a signal handler which

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the interpreter reserved.
* signal.c (reserved_signal_p): ditto.
  [Bug #2616] [ruby-core:27625]

* test/ruby/test_signal.rb (TestSignal#test_reserved_signal):
  added a test for reserved signal.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32523 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
kosaki 2011-07-12 04:55:50 +00:00
parent 888d8e93e1
commit 89e2951bde
3 changed files with 78 additions and 0 deletions
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25
test/ruby/test_signal.rb
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@ -220,4 +220,29 @@ EOS
t.close!
assert_nil(error)
end
def test_reserved_signal
assert_raise(ArgumentError) {
Signal.trap(:SEGV) {}
}
assert_raise(ArgumentError) {
Signal.trap(:BUS) {}
}
assert_raise(ArgumentError) {
Signal.trap(:ILL) {}
}
assert_raise(ArgumentError) {
Signal.trap(:FPE) {}
}
assert_raise(ArgumentError) {
Signal.trap(:VTALRM) {}
}
assert_raise(ArgumentError) {
Signal.trap(:CHLD) {}
}
assert_raise(ArgumentError) {
Signal.trap(:CLD) {}
}
end
end