[GitHub] ccollins476ad opened a new pull request #1407: sys/log: Execute callback when log is appended to

[GitBox <gi...@apache.org>]

ccollins476ad opened a new pull request #1407: sys/log: Execute callback when log is appended to
URL: https://github.com/apache/mynewt-core/pull/1407
 
 
   This PR augments `struct log` with an "append callback."  If a log's callback is set, it gets called each time the log is appended to.
   
   The callback has the following type:
   ```
   /** @typedef log_append_cb
    * @brief Callback that is executed each time the corresponding log is appended
    * to.
    *
    * @param log                   The log that was just appended to.
    * @param idx                   The index of newly appended log entry.
    */
   typedef void log_append_cb(struct log *log, uint32_t idx);
   ```

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