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Posted to commits@nuttx.apache.org by GitBox <gi...@apache.org> on 2022/02/19 11:46:02 UTC

[GitHub] [incubator-nuttx-apps] xiaoxiang781216 commented on pull request #1005: Remove CONFIG_CLOCK_MONOTONIC special code

xiaoxiang781216 commented on pull request #1005:
URL: https://github.com/apache/incubator-nuttx-apps/pull/1005#issuecomment-1045998578


   > @xiaoxiang781216 what happened to CLOCK_REALTIME? If I'm not wrong CLOCK_REALTIME is affected when you change the time/date and CLOCK_MONOTONIC is not. Isn't going break some application and/or Linux/POSIX compatibility? For measuring elapsed time in fact CLOCK_MONOTONIC is the solution, but I guess there are cases where CLOCK_REALTIME could be useful. More info: https://stackoverflow.com/questions/3523442/difference-between-clock-realtime-and-clock-monotonic http://www.qnx.com/developers/docs/qnxcar2/index.jsp?topic=%2Fcom.qnx.doc.neutrino.getting_started%2Ftopic%2Fs1_timer_CLOCK_MONOTONIC.html https://tagmerge.com/question/difference-between-clock_realtime-and-clock_monotonic?answer=61e1f9684f0d313df01d4719
   
   reply in https://github.com/apache/incubator-nuttx/pull/5503 


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