1 files changed, 17 insertions, 0 deletions
diff --git a/src/l_util.c b/src/l_util.c
index 6ef6236..3697c09 100644
--- a/src/l_util.c
+++ b/src/l_util.c
@@ -316,6 +316,23 @@ child_t* child_find(lua_State *L, pid_t pid)
   return NULL;
 }
 
+void child_clear(lua_State *L, pid_t pid)
+{
+  lua_getglobal(L, LUA_UTILLIBNAME);
+  lua_getfield(L, -1, LUA_UTILCHLIDRENNAME);
+  child_t* first = lua_touserdata(L, -1);
+  lua_pop(L, 1);
+  lua_pushlightuserdata(L, NULL);
+  lua_setfield(L, -2, LUA_UTILCHLIDRENNAME);  
+
+  while(first) {
+    child_t* tmp = first;
+    first = tmp->next_;
+    close(tmp->fd_);
+    free(tmp);
+  }
+}
+
 static int l_util_exec(lua_State *L)
 {
   const char* script = luaL_checkstring(L, 1);