* thread.c (ruby_kill): release GVL while waiting signal delivered.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39826 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Sat Mar 16 03:36:56 2013  KOSAKI Motohiro  <kosaki.motohiro@gmail.com>
+
+	* thread.c (ruby_kill): release GVL while waiting signal delivered.
+
 Tue Mar 19 19:50:48 2013  NAKAMURA Usaku  <usa@ruby-lang.org>
 
 	* ruby_kill (internal.h, thread.c): use rb_pid_t instead of pid_t.

thread.c

@@ -5211,10 +5211,12 @@ ruby_kill(rb_pid_t pid, int sig)
     rb_vm_t *vm = GET_VM();
 
     if ((th == vm->main_thread) && (pid == getpid())) {
+	GVL_UNLOCK_BEGIN();
 	native_mutex_lock(&th->interrupt_lock);
 	err = kill(pid, sig);
 	native_cond_wait(&th->interrupt_cond, &th->interrupt_lock);
 	native_mutex_unlock(&th->interrupt_lock);
+	GVL_UNLOCK_END();
     } else {
 	err = kill(pid, sig);
     }