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signal.c: SIGEXIT is not a system signal

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* signal.c (trap): SIGEXIT is not a system signal and is dealt
  with internally, so it should not try to register the system
  signal handler by sigaction.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47669 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2014-09-21 05:10:14 +00:00
parent c7b2577178
commit e8bd56f5c3
2 changed files with 15 additions and 2 deletions
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9
signal.c
View file

@ -1089,8 +1089,13 @@ trap(int sig, sighandler_t func, VALUE command)
* atomically. In current implementation, we only need to don't call * atomically. In current implementation, we only need to don't call
* RUBY_VM_CHECK_INTS(). * RUBY_VM_CHECK_INTS().
*/ */
oldfunc = ruby_signal(sig, func); if (sig == 0) {
if (oldfunc == SIG_ERR) rb_sys_fail_str(rb_signo2signm(sig)); oldfunc = SIG_ERR;
}
else {
oldfunc = ruby_signal(sig, func);
if (oldfunc == SIG_ERR) rb_sys_fail_str(rb_signo2signm(sig));
}
oldcmd = vm->trap_list[sig].cmd; oldcmd = vm->trap_list[sig].cmd;
switch (oldcmd) { switch (oldcmd) {
case 0: case 0:

8
test/ruby/test_signal.rb
View file

@ -177,6 +177,14 @@ class TestSignal < Test::Unit::TestCase
end end
end end
def test_sigexit
assert_in_out_err([], 'Signal.trap(:EXIT) {print "OK"}', ["OK"])
assert_in_out_err([], 'Signal.trap("EXIT") {print "OK"}', ["OK"])
assert_in_out_err([], 'Signal.trap(:SIGEXIT) {print "OK"}', ["OK"])
assert_in_out_err([], 'Signal.trap("SIGEXIT") {print "OK"}', ["OK"])
assert_in_out_err([], 'Signal.trap(0) {print "OK"}', ["OK"])
end
def test_kill_immediately_before_termination def test_kill_immediately_before_termination
Signal.list[sig = "USR1"] or sig = "INT" Signal.list[sig = "USR1"] or sig = "INT"
assert_in_out_err(["-e", <<-"end;"], "", %w"foo") assert_in_out_err(["-e", <<-"end;"], "", %w"foo")