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099a950410
This has been a TODO for ages, but in the past it didn't really matter because stack traces are typically printed to stderr for which a mutex is held so in practice there was a mutex guarding usage of `SelfInfo`. However, now that `SelfInfo` is also used for simply capturing traces, thread safety is needed. Instead of just a single mutex, though, there are a couple of different mutexes involved; this helps make critical sections smaller, particularly when unwinding the stack as `unwindFrame` doesn't typically need to hold any lock at all. |
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| DarwinModule.zig | ||
| ElfModule.zig | ||
| WindowsModule.zig | ||