add pthread lock

skynet-src/skynet_env.c

@@ -1,5 +1,6 @@
 #include "skynet.h"
 #include "skynet_env.h"
+#include "spinlock.h"
 
 #include <lua.h>
 #include <lauxlib.h>
@@ -8,18 +9,15 @@
 #include <assert.h>
 
 struct skynet_env {
-	int lock;
+	struct spinlock lock;
 	lua_State *L;
 };
 
 static struct skynet_env *E = NULL;
 
-#define LOCK(q) while (__sync_lock_test_and_set(&(q)->lock,1)) {}
-#define UNLOCK(q) __sync_lock_release(&(q)->lock);
-
 const char * 
 skynet_getenv(const char *key) {
-	LOCK(E)
+	SPIN_LOCK(E)
 
 	lua_State *L = E->L;
 	
@@ -27,14 +25,14 @@ skynet_getenv(const char *key) {
 	const char * result = lua_tostring(L, -1);
 	lua_pop(L, 1);
 
-	UNLOCK(E)
+	SPIN_UNLOCK(E)
 
 	return result;
 }
 
 void 
 skynet_setenv(const char *key, const char *value) {
-	LOCK(E)
+	SPIN_LOCK(E)
 	
 	lua_State *L = E->L;
 	lua_getglobal(L, key);
@@ -43,12 +41,12 @@ skynet_setenv(const char *key, const char *value) {
 	lua_pushstring(L,value);
 	lua_setglobal(L,key);
 
-	UNLOCK(E)
+	SPIN_UNLOCK(E)
 }
 
 void
 skynet_env_init() {
 	E = skynet_malloc(sizeof(*E));
-	E->lock = 0;
+	SPIN_INIT(E)
 	E->L = luaL_newstate();
 }