diff options
Diffstat (limited to 'lib/sasl/doc/src/release_handler.xml')
| -rw-r--r-- | lib/sasl/doc/src/release_handler.xml | 30 |
1 files changed, 22 insertions, 8 deletions
diff --git a/lib/sasl/doc/src/release_handler.xml b/lib/sasl/doc/src/release_handler.xml index 7f32100d4b..bd4a513750 100644 --- a/lib/sasl/doc/src/release_handler.xml +++ b/lib/sasl/doc/src/release_handler.xml @@ -492,7 +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> @@ -521,14 +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> @@ -562,7 +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> @@ -638,7 +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> @@ -651,8 +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> @@ -663,9 +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> |