e9ade17418
Resolve one of the threading issues by creating a private C++ified copy of getopt_long_r that started out its life as the bionic getopt_long, but is reentrant. Adds a new state context for the stderr stream called optstderr. Utilize this new function in logcat. Control opterr and optstderr to match liblogcat expectations. Correct and fortify const. Alternative would be to lock around _all_ getopt callers. This has the advantage of requiring _no_ locks that could get in the way of using liblogcat in a signal handler. The log reader interface does run the risk of incurring locks and heap allocations though, so there is more work to be done for that final goal. Test: gTest logcat-unit-tests Bug: 35326290 Change-Id: Ibb1b374c55d357d5d7fa5ad00bfaf07ae0bc4ba5 |
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