prevent double close

1 files changed, 3 insertions, 3 deletions

diff --git a/src/thread.c b/src/thread.c
index da4bcb5..bb18ad3 100644
--- a/src/thread.c
+++ b/src/thread.c
@@ -205,7 +205,7 @@ void* handle_thread(void* _args){
   lua_assign_upvalues(L, x);

   lua_pushvalue(L, res_idx);

   lua_call(L, 1, 0);

-

+  args->tid = 0;

   pthread_mutex_unlock(&*args->lock);

 

   return NULL;

@@ -291,7 +291,7 @@ int _thread_close(lua_State* L){
   lua_gettable(L, 1);

   struct thread_info* info = lua_touserdata(L, -1);

 

-  pthread_cancel(info->tid);

+  if(info->tid != 0) pthread_cancel(info->tid);

   info->tid = 0;

 

   return 0;

@@ -306,7 +306,7 @@ int _thread_kill(lua_State* L){
   lua_gettable(L, 1);

   struct thread_info* info = lua_touserdata(L, -1);

 

-  pthread_kill(info->tid, SIGUSR1);

+  if(info->tid != 0) pthread_kill(info->tid, SIGUSR1);

   info->tid = 0;

 

   return 0;