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Don't fail when ptrace::detach() returns an ESRCH error #29
Description
If one of the threads we've suspended disappears while we're writing the minidump the call to ptrace::detach() in PtraceDumper::resume_thread() will fail setting errno to ESRCH. This is a completely benign error which we can ignore since we simply don't care about the state of the process/thread after we're done with it. The same applies to pretty much any other use of pthread::detach(), we could ignore this error for all of them.
Activity
Don't fail when ptrace::detach returns ESRCH.