commit b17a9e5: [Fix] Avoid race between config new/free by using a counter

[Vsevolod Stakhov]

Author: Vsevolod Stakhov
Date: 2023-07-27 14:57:22 +0100
URL: https://github.com/rspamd/rspamd/commit/b17a9e51c64883a04d1a8a6e3e3aeb752e4aa1a1 (HEAD -> master)

[Fix] Avoid race between config new/free by using a counter

---
 src/lua/lua_common.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/lua/lua_common.c b/src/lua/lua_common.c
index c05b4346a..b543ae5db 100644
--- a/src/lua/lua_common.c
+++ b/src/lua/lua_common.c
@@ -908,7 +908,7 @@ rspamd_lua_wipe_realloc(void *ud,
 extern int luaopen_bit(lua_State *L);
 #endif
 
-static bool lua_initialized = false;
+static unsigned int lua_initialized = 0;
 
 lua_State *
 rspamd_lua_init(bool wipe_mem)
@@ -1032,7 +1032,7 @@ rspamd_lua_init(bool wipe_mem)
 	lua_setglobal(L, "get_traces");
 #endif
 
-	lua_initialized = true;
+	lua_initialized++;
 
 	return L;
 }
@@ -1058,12 +1058,12 @@ void rspamd_lua_close(lua_State *L)
 	kh_destroy(lua_class_set, ctx->classes);
 	g_free(ctx);
 
-	lua_initialized = false;
+	lua_initialized--;
 }
 
 bool rspamd_lua_is_initialised(void)
 {
-	return lua_initialized;
+	return lua_initialized != 0;
 }
 
 void rspamd_lua_start_gc(struct rspamd_config *cfg)