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-rw-r--r--ChangeLog5
-rw-r--r--process.c9
-rw-r--r--test/ruby/test_process.rb12
3 files changed, 21 insertions, 5 deletions
diff --git a/ChangeLog b/ChangeLog
index ceb17bf3d..1567ba38b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -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.
diff --git a/process.c b/process.c
index f965161e2..ac0ec0605 100644
--- a/process.c
+++ b/process.c
@@ -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 */
diff --git a/test/ruby/test_process.rb b/test/ruby/test_process.rb
index 97b48827b..1e7b63a47 100644
--- a/test/ruby/test_process.rb
+++ b/test/ruby/test_process.rb
@@ -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