diff options
Diffstat (limited to 'lib/sasl/doc')
| -rw-r--r-- | lib/sasl/doc/src/appup.xml | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/lib/sasl/doc/src/appup.xml b/lib/sasl/doc/src/appup.xml index 85fcbed3ba..95f315d269 100644 --- a/lib/sasl/doc/src/appup.xml +++ b/lib/sasl/doc/src/appup.xml @@ -4,7 +4,7 @@ <fileref> <header> <copyright> - <year>1997</year><year>2013</year> + <year>1997</year><year>2014</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -84,6 +84,9 @@ version identifier must be specified as a binary, e.g.</p> <code type="none"><<"2\\.1\\.[0-9]+">></code> <p>will match all versions <c>2.1.x</c>, where x is any number.</p> + <p>Note that the regular expression must match the complete + version string, so the above example will work for for + e.g. <c>2.1.1</c>, but not for <c>2.1.1.1</c></p> </section> <section> @@ -339,7 +342,7 @@ restart_new_emulator version of erts, kernel, stdlib and sasl are used when the emulator restarts. Only one <c>restart_new_emulator</c> instruction is allowed in the relup, and it shall be placed - first. <seealso marker="systools#make_relup/3">systools:make_relup3,4</seealso> + first. <seealso marker="systools#make_relup/3">systools:make_relup/3,4</seealso> will ensure this when the relup is generated. The rest of the relup script is executed after the restart as a part of the boot script.</p> @@ -347,11 +350,25 @@ restart_new_emulator completed. To programatically find out if the upgrade is complete, call <seealso marker="release_handler#which_releases/0"> - release_handler:which_releases</seealso> and check if the + release_handler:which_releases/0,1</seealso> and check if the expected release has status <c>current</c>.</p> <p>The new release must still be made permanent after the upgrade is completed. Otherwise, the old emulator is started in case of an emulator restart.</p> + <warning> + <p>As stated above, the <c>restart_new_emulator</c> + instruction causes the emulator to be restarted with new + versions of <c>erts</c>, <c>kernel</c>, <c>stdlib</c> and + <c>sasl</c>. All other applications, however, will at startup + be running their old versions in this new emulator. In most + cases this is no problem, but every now and then there will be + incompatible changes to the core applications which may cause + trouble in this setting. Such incompatible changes (when + functions are removed) are normally preceded by a deprecation + over two major releases. To make sure your application is not + crashed by an incompatible change, always remove any call to + deprecated functions as soon as possible.</p> + </warning> <pre> restart_emulator </pre> |