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* process.c (rb_waitpid): retries waitpid when EINTR.

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[ruby-core:19744].

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@21181 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
yugui 2008-12-29 14:41:22 +00:00
parent c7e236efc1
commit b3ff7eb3ef
3 changed files with 21 additions and 5 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Mon Dec 29 22:37:17 2008 Yuki Sonoda (Yugui) <yugui@yugui.jp>
* process.c (rb_waitpid): retries waitpid when EINTR.
[ruby-core:19744].
Mon Dec 29 23:18:52 2008 Tadayoshi Funaba <tadf@dotrb.org>
* bignum.c (rb_cstr_to_inum): changed an error message.

9
process.c
View file

@ -624,18 +624,17 @@ rb_waitpid(rb_pid_t pid, int *st, int flags)
#ifndef NO_WAITPID
struct waitpid_arg arg;
retry:
arg.pid = pid;
arg.st = st;
arg.flags = flags;
result = (rb_pid_t)rb_thread_blocking_region(rb_waitpid_blocking, &arg,
RUBY_UBF_PROCESS, 0);
if (result < 0) {
#if 0
if (errno == EINTR) {
rb_thread_polling();
goto retry;
}
#endif
RUBY_VM_CHECK_INTS();
goto retry;
}
return -1;
}
#else /* NO_WAITPID */

12
test/ruby/test_process.rb
View file

@ -1044,4 +1044,16 @@ class TestProcess < Test::Unit::TestCase
def test_pst_inspect
assert_nothing_raised { Process::Status.allocate.inspect }
end
def test_wait_and_sigchild
signal_received = []
Signal.trap(:CHLD) { signal_received << true; puts "child died" }
pid = fork { sleep 1; exit }
Thread.start { raise }
Process.wait pid
sleep 2
assert_equal [true], signal_received, " [ruby-core:19744]"
ensure
Signal.trap(:CHLD, 'DEFAULT')
end
end