cleanup, docs
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@@ -16,4 +16,5 @@ Returns `0` when no matching task is active or task state cannot be read safely.
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New task status records include the Linux process start tick from `/proc/<pid>/stat`, so `task_pid()` can reject a stale status file if the PID has exited and the numeric PID has since been reused by another process.
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:example
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print("task_pid example\n");
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task("doc-demo-pid", []() { usleep(100000); });
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print("task pid > 0: ", task_pid("doc-demo-pid") > 0 ? "yes" : "no", "\n");
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