From c6f5fc2de190dfb19fa8f02de71934bf85db3147 Mon Sep 17 00:00:00 2001
From: ko1 <ko1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 12 Apr 2007 08:14:54 +0000
Subject: * thread.c (mutex_try_lock): check and set owner thread. *
 thread_pthread.ci: fix to show error code in error message.

git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@12173 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 thread.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'thread.c')

diff --git a/thread.c b/thread.c
index 68fcf0629..8373318a9 100644
--- a/thread.c
+++ b/thread.c
@@ -2138,7 +2138,12 @@ mutex_try_lock(VALUE self)
     mutex_t *mutex;
     GetMutexVal(self, mutex);
 
+    if (mutex->th == GET_THREAD()) {
+	rb_raise(rb_eThreadError, "deadlock; recursive locking");
+    }
+
     if (native_mutex_trylock(&mutex->lock) != EBUSY) {
+	mutex->th = GET_THREAD();
 	return Qtrue;
     }
     else {
-- 
cgit