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| author | cbdev <cb@cbcdn.com> | 2020-03-27 21:40:45 +0100 |
|---|---|---|
| committer | cbdev <cb@cbcdn.com> | 2020-03-27 21:40:45 +0100 |
| commit | 253125ea28925e5207c375987ac36468327bed66 (patch) | |
| tree | d06da472ac041e2f0d85a1a98815a60d372285c2 /backends/lua.c | |
| parent | 2a079f72483aa853d68430883b2281f436512c6b (diff) | |
| download | midimonster-253125ea28925e5207c375987ac36468327bed66.tar.gz midimonster-253125ea28925e5207c375987ac36468327bed66.tar.bz2 midimonster-253125ea28925e5207c375987ac36468327bed66.zip | |
Implement python cleanup handlers
Diffstat (limited to 'backends/lua.c')
| -rw-r--r-- | backends/lua.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/backends/lua.c b/backends/lua.c index 7424f65..127933a 100644 --- a/backends/lua.c +++ b/backends/lua.c @@ -274,10 +274,13 @@ static int lua_callback_cleanup_handler(lua_State* interpreter){ return 0; } - luaL_checktype(interpreter, 1, LUA_TFUNCTION); + if(lua_type(interpreter, 1) != LUA_TFUNCTION && lua_type(interpreter, 1) != LUA_TNIL){ + LOG("Cleanup handler function parameter was neither nil nor a function"); + return 0; + } data->cleanup_handler = luaL_ref(interpreter, LUA_REGISTRYINDEX); - if(current_handler == LUA_NOREF){ + if(current_handler == LUA_NOREF || current_handler == LUA_REFNIL){ lua_pushnil(interpreter); return 1; } @@ -656,7 +659,7 @@ static int lua_shutdown(size_t n, instance** inst){ data = (lua_instance_data*) inst[u]->impl; //call cleanup function if one is registered - if(data->cleanup_handler != LUA_NOREF){ + if(data->cleanup_handler != LUA_NOREF && data->cleanup_handler != LUA_REFNIL){ lua_rawgeti(data->interpreter, LUA_REGISTRYINDEX, data->cleanup_handler); lua_pcall(data->interpreter, 0, 0, 0); } |