From: Mike Brady <4265913+mikebrady@users.noreply.github.com> Date: Thu, 8 Jul 2021 13:42:39 +0000 (+0100) Subject: Update README.md X-Git-Tag: 1.2~105^2~5 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=880b42478d459fdd83249c4e6a588fb7c5630660;p=thirdparty%2Fnqptp.git Update README.md --- diff --git a/README.md b/README.md index 95f6160..a9e3c74 100644 --- a/README.md +++ b/README.md @@ -59,7 +59,7 @@ The `make install` installs a `systemd` startup script. You should enable it and Note that `nqptp` must run in `root` mode to be able to access ports 319 and 320. # Notes -If you wish to use the shared mutex to ensure records are not altered while you are accessing them, you should open your side of the shared memory interface with read-write permission. Be aware that while your program has the mutex lock, it is in a "critical region" where it can halt `nqptp`, so keep any activity while you have the lock very short and very simple, e.g. copying it to local memory. +If you wish to use the shared mutex to ensure records are not altered while you are accessing them, you should open your side of the shared memory interface with read-write permission. Be aware that while your program has the mutex lock, it is in a "critical region" where it can halt `nqptp`, so keep any activity while you have the lock very short and very simple, e.g. copying the contents of shared memory to local memory. Clock records not updated for a period are deleted.