use libco instead of state-thread(st), still have some bug

trunk/3rdparty/libco/coctx.h

@@ -0,0 +1,42 @@
+/*
+* Tencent is pleased to support the open source community by making Libco available.
+
+* Copyright (C) 2014 THL A29 Limited, a Tencent company. All rights reserved.
+*
+* Licensed under the Apache License, Version 2.0 (the "License"); 
+* you may not use this file except in compliance with the License. 
+* You may obtain a copy of the License at
+*
+*	http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, 
+* software distributed under the License is distributed on an "AS IS" BASIS, 
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
+* See the License for the specific language governing permissions and 
+* limitations under the License.
+*/
+
+#ifndef __CO_CTX_H__
+#define __CO_CTX_H__
+#include <stdlib.h>
+typedef void* (*coctx_pfn_t)( void* s, void* s2 );
+struct coctx_param_t
+{
+	const void *s1;
+	const void *s2;
+};
+struct coctx_t
+{
+#if defined(__i386__)
+	void *regs[ 8 ];
+#else
+	void *regs[ 14 ];
+#endif
+	size_t ss_size;
+	char *ss_sp;
+	
+};
+
+int coctx_init( coctx_t *ctx );
+int coctx_make( coctx_t *ctx,coctx_pfn_t pfn,const void *s,const void *s1 );
+#endif