diff options
Diffstat (limited to 'lib/sasl/doc/src')
| -rw-r--r-- | lib/sasl/doc/src/appup.xml | 37 | ||||
| -rw-r--r-- | lib/sasl/doc/src/make.dep | 22 | ||||
| -rw-r--r-- | lib/sasl/doc/src/notes.xml | 98 | ||||
| -rw-r--r-- | lib/sasl/doc/src/release_handler.xml | 70 | ||||
| -rw-r--r-- | lib/sasl/doc/src/systools.xml | 16 |
5 files changed, 201 insertions, 42 deletions
diff --git a/lib/sasl/doc/src/appup.xml b/lib/sasl/doc/src/appup.xml index 89bcf23b5e..195f9fe1d3 100644 --- a/lib/sasl/doc/src/appup.xml +++ b/lib/sasl/doc/src/appup.xml @@ -319,12 +319,37 @@ point_of_no_return <pre> restart_new_emulator </pre> - <p>Shuts down the current emulator and starts a ne one. All - processes are terminated gracefully. The new release must still - be made permanent when the new emulator is up and running. - Otherwise, the old emulator is started in case of a emulator - restart. This instruction should be used when a new emulator is - introduced, or if a complete reboot of the system should be done.</p> + <p>This instruction is used when erts, kernel, stdlib or sasl is + upgraded. It shuts down the current emulator and starts a new + one. All processes are terminated gracefully, and the new + 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> + 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> + <p>An info report will be written when the upgrade is + completed. To programatically find out if the upgrade is + complete, + call <seealso marker="release_handler#which_release/0"> + release_handler:which_releases</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> + <pre> +restart_emulator + </pre> + <p>This instruction is similar to <c>restart_new_emulator</c>, + except it shall be placed at the end of the relup script. It is + not related to an upgrade of the emulator or the core + applications, but can be used by any application when a complete + reboot of the system is reqiured. When generating the + relup, <seealso marker="systools#make_relup/3">systools:make_relup/3,4</seealso> + ensures that there is only one <c>restart_emulator</c> + instruction and that it is the last instruction of the + relup.</p> </section> <section> diff --git a/lib/sasl/doc/src/make.dep b/lib/sasl/doc/src/make.dep deleted file mode 100644 index 4843b7934a..0000000000 --- a/lib/sasl/doc/src/make.dep +++ /dev/null @@ -1,22 +0,0 @@ -# ---------------------------------------------------- -# >>>> Do not edit this file <<<< -# This file was automaticly generated by -# /home/otp/bin/docdepend -# ---------------------------------------------------- - - -# ---------------------------------------------------- -# TeX files that the DVI file depend on -# ---------------------------------------------------- - -book.dvi: alarm_handler.tex appup.tex book.tex error_logging.tex \ - overload.tex part.tex rb.tex ref_man.tex rel.tex \ - release_handler.tex relup.tex sasl_app.tex \ - sasl_intro.tex script.tex systools.tex - -# ---------------------------------------------------- -# Source inlined when transforming from source to LaTeX -# ---------------------------------------------------- - -book.tex: ref_man.xml - diff --git a/lib/sasl/doc/src/notes.xml b/lib/sasl/doc/src/notes.xml index d4460d47b4..01cdc4b29e 100644 --- a/lib/sasl/doc/src/notes.xml +++ b/lib/sasl/doc/src/notes.xml @@ -30,6 +30,104 @@ </header> <p>This document describes the changes made to the SASL application.</p> +<section><title>SASL 2.1.10</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + The release_handler functionality on windows services was + broken. This has been corrected.</p> + <p> + Own Id: OTP-9306</p> + </item> + <item> + <p> + If a new version of an application did not include any + erlang module changes, the code path of the application + was not updated by the release_handler unless a + 'load_object_code' instruction was added for the + application. This would be a problem if e.g. only some + files in the priv dir were changed since calls to + code:lib_dir or code:priv_dir would then point to the old + location of the application. This has been corrected - + now code:replace_path/2 will be called for all + applications that are changed (i.e. when the + application's vsn is changed in the .rel file).</p> + <p> + Own Id: OTP-9402</p> + </item> + <item> + <p> + The appup instruction 'delete_module' would cause a crash + during upgrade if the module to be deleted was not + loaded. This has been corrected.</p> + <p> + Own Id: OTP-9417</p> + </item> + <item> + <p> + If a path was given as ONLY 'ebin' and not for example + './ebin', then systools:make_tar would fail with a + <c>function_clause</c> exception in filename:join/1. This + has been corrected. (Thanks to Nikola Skoric for + reporting).</p> + <p> + Own Id: OTP-9507</p> + </item> + <item> + <p> + Implement or fix -Werror option</p> + <p> + If -Werror is enabled and there are warnings no output + file is written. Also make sure that error/warning + reporting is consistent. (Thanks to Tuncer Ayaz)</p> + <p> + Own Id: OTP-9536</p> + </item> + <item> + <p> + Improved error information for timeouts during + release_handler:install_release.</p> + <p> + This patch addresses two cases where a timeout will occur + during upgrade. 1) if a supervisor is suspended (call to + get children from supervisor will hang) 2) if the child + spec for a supervisor incorrectly states that it is a + worker with a dynamic set of modules (call to get modules + from gen_event will hang)</p> + <p> + An error report will now be printed, and the return value + of release_handler:install_release will indicate what + happened. (Thanks to joe williams)</p> + <p> + Own Id: OTP-9546</p> + </item> + </list> + </section> + + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> + <c>release_handler:install_release</c> could be very slow + when there are many processes in the system. Some + optimization work has been done both in erts and in the + release handler in order to improve this. </p> + <p> + A new option, <c>purge</c>, is added to + <c>release_handler:check_install_release</c> which can be + called first in order to speed up the execution of + <c>release_handler:install_release</c>.</p> + <p> + Own Id: OTP-9395</p> + </item> + </list> + </section> + +</section> + <section><title>SASL 2.1.9.4</title> <section><title>Fixed Bugs and Malfunctions</title> diff --git a/lib/sasl/doc/src/release_handler.xml b/lib/sasl/doc/src/release_handler.xml index 5ac0dc1acc..bd4a513750 100644 --- a/lib/sasl/doc/src/release_handler.xml +++ b/lib/sasl/doc/src/release_handler.xml @@ -238,7 +238,7 @@ old reboot_old permanent </func> <func> <name>install_release(Vsn) -> {ok, OtherVsn, Descr} | {error, Reason}</name> - <name>install_release(Vsn, [Opt]) -> {ok, OtherVsn, Descr} | {error, Reason}</name> + <name>install_release(Vsn, [Opt]) -> {ok, OtherVsn, Descr} | {continue_after_restart, OtherVsn, Descr} | {error, Reason}</name> <fsummary>Install a release in the system.</fsummary> <type> <v>Vsn = OtherVsn = string()</v> @@ -248,7 +248,8 @@ old reboot_old permanent <v> Timeout = default | infinity | int()>0</v> <v> Bool = boolean()</v> <v>Descr = term()</v> - <v>Reason = {illegal_option, Opt} | {already_installed, Vsn} | {change_appl_data, term()} | term()</v> + <v>Reason = {illegal_option, Opt} | {already_installed, Vsn} | {change_appl_data, term()} | {missing_base_app, OtherVsn, App} | {could_not_create_hybrid_boot, term()} | term()</v> + <v>App = atom()</v> </type> <desc> <p>Installs the specified version <c>Vsn</c> of the release. @@ -268,6 +269,15 @@ old reboot_old permanent <c>OtherVsn</c> and <c>Descr</c> are the version (<c>UpFromVsn</c> or <c>Vsn</c>) and description (<c>Descr1</c> or <c>Descr2</c>) as specified in the script.</p> + <p>If <c>{continue_after_restart,OtherVsn,Descr}</c> is + returned, it means that the emulator will be restarted + before the upgrade instructions are executed. This will + happen if the emulator or any of the applications kernel, + stdlib or sasl are updated. The new version of the emulator + and these core applications will execute after the restart, + but for all other applications the old versions will be + started and the upgrade will be performed as normal by + executing the upgrade instructions.</p> <p>If a recoverable error occurs, the function returns <c>{error,Reason}</c> and the original application specifications are restored. If a non-recoverable error @@ -325,6 +335,18 @@ release_handler:set_unpacked(RelFile, [{myapp,"1.0","/home/user"},...]). upgrade, but it will allow checks and purge to be executed in the background before the real upgrade is started.</p> </note> + <note> + <p>When upgrading the emulator from a version older than OTP + R15, there will be an attempt to load new application beam + code into the old emulator. In some cases, the new beam + format can not be read by the old emulator, and so the code + loading will fail and terminate the complete upgrade. To + overcome this problem, the new application code should be + compiled with the old emulator. See <seealso + marker="doc/design_principles:appup_cookbook">Design + Principles</seealso> for more information about emulator + upgrade from pre OTP R15 versions.</p> + </note> </desc> </func> <func> @@ -431,6 +453,18 @@ release_handler:set_unpacked(RelFile, [{myapp,"1.0","/home/user"},...]). <p>Returns all releases known to the release handler.</p> </desc> </func> + <func> + <name>which_releases(Status) -> [{Name, Vsn, Apps, Status}]</name> + <fsummary>Return all known releases of a specific status</fsummary> + <type> + <v>Name = Vsn = string()</v> + <v>Apps = ["App-Vsn"]</v> + <v>Status = unpacked | current | permanent | old</v> + </type> + <desc> + <p>Returns all releases known to the release handler of a specific status.</p> + </desc> + </func> </funcs> <section> @@ -442,7 +476,7 @@ release_handler:set_unpacked(RelFile, [{myapp,"1.0","/home/user"},...]). and evaluated exactly in the same way as <c>release_handler</c> does.</p> <warning> - <p>These function is primarily intended for simplified testing of + <p>These functions are primarily intended for simplified testing of <c>.appup</c> files. They are not run within the context of the <c>release_handler</c> process. They must therefore <em>not</em> be used together with calls to @@ -458,7 +492,7 @@ release_handler:set_unpacked(RelFile, [{myapp,"1.0","/home/user"},...]). </section> <funcs> <func> - <name>upgrade_app(App, Dir) -> {ok, Unpurged} | restart_new_emulator | {error, Reason}</name> + <name>upgrade_app(App, Dir) -> {ok, Unpurged} | restart_emulator | {error, Reason}</name> <fsummary>Upgrade to a new application version</fsummary> <type> <v>App = atom()</v> @@ -487,14 +521,21 @@ release_handler:set_unpacked(RelFile, [{myapp,"1.0","/home/user"},...]). does.</p> <p>Returns <c>{ok, Unpurged}</c> if evaluating the script is successful, where <c>Unpurged</c> is a list of unpurged - modules, or <c>restart_new_emulator</c> if this instruction is + modules, or <c>restart_emulator</c> if this instruction is encountered in the script, or <c>{error, Reason}</c> if an error occurred when finding or evaluating the script.</p> + <p>If the <c>restart_new_emulator</c> instruction is found in + the script, <c>upgrade_app/2</c> will return + <c>{error,restart_new_emulator}</c>. The reason for this is + that this instruction requires that a new version of the + emulator is started before the rest of the upgrade + instructions can be executed, and this can only be done by + <c>install_release/1,2</c>.</p> </desc> </func> <func> <name>downgrade_app(App, Dir) -></name> - <name>downgrade_app(App, OldVsn, Dir) -> {ok, Unpurged} | restart_new_emulator | {error, Reason}</name> + <name>downgrade_app(App, OldVsn, Dir) -> {ok, Unpurged} | restart_emulator | {error, Reason}</name> <fsummary>Downgrade to a previous application version</fsummary> <type> <v>App = atom()</v> @@ -528,7 +569,7 @@ release_handler:set_unpacked(RelFile, [{myapp,"1.0","/home/user"},...]). does.</p> <p>Returns <c>{ok, Unpurged}</c> if evaluating the script is successful, where <c>Unpurged</c> is a list of unpurged - modules, or <c>restart_new_emulator</c> if this instruction is + modules, or <c>restart_emulator</c> if this instruction is encountered in the script, or <c>{error, Reason}</c> if an error occurred when finding or evaluating the script.</p> </desc> @@ -604,7 +645,7 @@ release_handler:set_unpacked(RelFile, [{myapp,"1.0","/home/user"},...]). </desc> </func> <func> - <name>eval_appup_script(App, ToVsn, ToDir, Script) -> {ok, Unpurged} | restart_new_emulator | {error, Reason}</name> + <name>eval_appup_script(App, ToVsn, ToDir, Script) -> {ok, Unpurged} | restart_emulator | {error, Reason}</name> <fsummary>Evaluate an application upgrade or downgrade script</fsummary> <type> <v>App = atom()</v> @@ -617,8 +658,8 @@ release_handler:set_unpacked(RelFile, [{myapp,"1.0","/home/user"},...]). <desc> <p>Evaluates an application upgrade or downgrade script <c>Script</c>, the result from calling - <seealso marker="#upgrade_app/2">upgrade_app/2</seealso> or - <seealso marker="#downgrade_app/3">downgrade_app/2,3</seealso>, + <seealso marker="#upgrade_app/2">upgrade_script/2</seealso> or + <seealso marker="#downgrade_app/3">downgrade_script/3</seealso>, exactly in the same way as <seealso marker="#install_release/1">install_release/1,2</seealso> does.</p> @@ -629,9 +670,16 @@ release_handler:set_unpacked(RelFile, [{myapp,"1.0","/home/user"},...]). <c>.appup</c> files should be located under <c>Dir/ebin</c>.</p> <p>Returns <c>{ok, Unpurged}</c> if evaluating the script is successful, where <c>Unpurged</c> is a list of unpurged - modules, or <c>restart_new_emulator</c> if this instruction is + modules, or <c>restart_emulator</c> if this instruction is encountered in the script, or <c>{error, Reason}</c> if an error occurred when evaluating the script.</p> + <p>If the <c>restart_new_emulator</c> instruction is found in + the script, <c>eval_appup_script/4</c> will return + <c>{error,restart_new_emulator}</c>. The reason for this is + that this instruction requires that a new version of the + emulator is started before the rest of the upgrade + instructions can be executed, and this can only be done by + <c>install_release/1,2</c>.</p> </desc> </func> </funcs> diff --git a/lib/sasl/doc/src/systools.xml b/lib/sasl/doc/src/systools.xml index 8c1c327d74..1b90f0d4ee 100644 --- a/lib/sasl/doc/src/systools.xml +++ b/lib/sasl/doc/src/systools.xml @@ -111,6 +111,11 @@ low-level instruction to restart the emulator is appended to the relup scripts. This ensures that a complete reboot of the system is done when the system is upgraded or downgraded.</p> + <p>If an upgrade includes a change from an emulator earlier + than OTP R15 to OTP R15 or later, the warning + <c>pre_R15_emulator_upgrade</c> is issued. See <seealso + marker="doc/design_principles:appup_cookbook">Design + Principles</seealso> for more information about this.</p> <p>By default, errors and warnings are printed to tty and the function returns <c>ok</c> or <c>error</c>. If the option <c>silent</c> is provided, the function instead returns @@ -133,8 +138,9 @@ <fsummary>Generate a boot script <c>.script/.boot</c>.</fsummary> <type> <v>Name = string()</v> - <v>Opt = src_tests | {path,[Dir]} | local | {variables,[Var]} | exref | {exref,[App]}] - | silent | {outdir,Dir} | warnings_as_errors</v> + <v>Opt = src_tests | {path,[Dir]} | local | {variables,[Var]} | exref | + {exref,[App]}] | silent | {outdir,Dir} | no_warn_sasl | + warnings_as_errors</v> <v> Dir = string()</v> <v> Var = {VarName,Prefix}</v> <v> VarName = Prefix = string()</v> @@ -190,6 +196,10 @@ <p>The applications are sorted according to the dependencies between the applications. Where there are no dependencies, the order in the <c>.rel</c> file is kept.</p> + <p>If <c>sasl</c> is not included as an application in + the <c>.rel</c> file, a warning is emitted because such a + release can not be used in an upgrade. To turn of this + warning, add the option <c>no_warn_sasl</c>.</p> <p>All files are searched for in the current path. It is assumed that the <c>.app</c> and <c>.beam</c> files for an application is located in the same directory. The <c>.erl</c> @@ -220,7 +230,7 @@ <p>Example: If the option <c>{variables,[{"TEST","lib"}]}</c> is supplied, and <c>myapp.app</c> is found in <c>lib/myapp/ebin</c>, then the path to this application in - the boot script will be <c>$TEST/myapp-1/ebin"</c>. If + the boot script will be <c>"$TEST/myapp-1/ebin"</c>. If <c>myapp.app</c> is found in <c>lib/test</c>, then the path will be <c>$TEST/test/myapp-1/ebin</c>.</p> <p>The checks performed before the boot script is generated can |