Comments (2)
There's a big problem with Lua references: they are not thread safe. No lua_lock
used when doing luaL_ref
and luaL_unref
. So unless you protect Lua registry usage with locks yourself, you will get strange crashes while creating/destroying sol references from several threads. You can debug it with looking at the registry with my script. Note that the registry sometimes gets corrupted well before the crash. Also note that using the references (lua_rawgeti
) seems thread safe.
from sol2.
There's a big problem with Lua references: they are not thread safe. No
lua_lock
used when doingluaL_ref
andluaL_unref
. So unless you protect Lua registry usage with locks yourself, you will get strange crashes while creating/destroying sol references from several threads. You can debug it with looking at the registry with my script. Note that the registry sometimes gets corrupted well before the crash. Also note that using the references (lua_rawgeti
) seems thread safe.
The problem is that the 'RosaServer' project this thing is happening in is entirely single threaded except for the thread that handles console input, and it just uses detours on the game dedicated server it's a mod for. So there's no cross-thread refs going on here
from sol2.
Related Issues (20)
- A bunch of errors when using usertypes HOT 1
- Is it possible to have out params / replace type and data referenced by sol::object? HOT 2
- Passing nil as userdata to C++ to reset a variable HOT 3
- On MSVC std::filesystem::path cannot be used as Lua type HOT 1
- Crash during destruction when using meta_function::new_index and coroutines
- Accessing table field with the wrong user type causes a segmentation fault
- Cannot directly bind b2Vec2 to a table entry HOT 1
- SOL_BASE_CLASSES / SOL_DERIVED_CLASSES should be mentioned in the documentation
- Generating definition files
- Why sol3 is slower than Luabridge3 when both using LuaJIT, HOT 1
- add_package_loader without lua_CFunction HOT 1
- Handling opaque C pointers
- confusing behaviour of environments for lua > 5.2 HOT 1
- Error in emplace method
- const correctness of C++ object passed to sol::protected_function
- Using libraries which add searchers/loaders from C++ HOT 1
- Preserving ordering in sol2 tables and converting to ordered JSON HOT 2
- Getting compilation error when registering type HOT 3
- compilation issue: no member named 'construct' HOT 4
- Add mirrors for downloading lua
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