diff options
Diffstat (limited to 'lib/kernel/doc/src')
| -rw-r--r-- | lib/kernel/doc/src/code.xml | 42 | ||||
| -rw-r--r-- | lib/kernel/doc/src/seq_trace.xml | 4 |
2 files changed, 44 insertions, 2 deletions
diff --git a/lib/kernel/doc/src/code.xml b/lib/kernel/doc/src/code.xml index 3143cdc825..f881fd76fd 100644 --- a/lib/kernel/doc/src/code.xml +++ b/lib/kernel/doc/src/code.xml @@ -899,6 +899,48 @@ rpc:call(Node, code, load_binary, [Module, Filename, Binary]), </desc> </func> <func> + <name name="module_status" arity="1"/> + <fsummary>Return the status of the module in relation to object file on disk.</fsummary> + <desc> + <p>Returns:</p> + <taglist> + <tag><c>not_loaded</c></tag> + <item><p>If <c><anno>Module</anno></c> is not currently loaded.</p></item> + <tag><c>loaded</c></tag> + <item><p>If <c><anno>Module</anno></c> is loaded and the object file + exists and contains the same code.</p></item> + <tag><c>removed</c></tag> + <item><p>If <c><anno>Module</anno></c> is loaded but no + corresponding object file can be found in the code path.</p></item> + <tag><c>modified</c></tag> + <item><p>If <c><anno>Module</anno></c> is loaded but the object file + contains code with a different MD5 checksum.</p></item> + </taglist> + <p>Preloaded modules are always reported as <c>loaded</c>, without + inspecting the contents on disk. Cover compiled modules will always + be reported as <c>modified</c> if an object file exists, or as + <c>removed</c> otherwise. Modules whose load path is an empty string + (which is the convention for auto-generated code) will only be + reported as <c>loaded</c> or <c>not_loaded</c>.</p> + <p>For modules that have native code loaded (see + <seealso marker="#is_module_native/1"><c>is_module_native/1</c></seealso>), + the MD5 sum of the native code in the object file is used for the + comparison, if it exists; the Beam code in the file is ignored. + Reversely, for modules that do not currently have native code + loaded, any native code in the file will be ignored.</p> + <p>See also <seealso marker="#modified_modules/0"><c>modified_modules/0</c></seealso>.</p> + </desc> + </func> + <func> + <name name="modified_modules" arity="0"/> + <fsummary>Return a list of all modules modified on disk.</fsummary> + <desc> + <p>Returns the list of all currently loaded modules for which + <seealso marker="#module_status/1"><c>module_status/1</c></seealso> + returns <c>modified</c>. See also <seealso marker="#all_loaded/0"><c>all_loaded/0</c></seealso>.</p> + </desc> + </func> + <func> <name name="is_module_native" arity="1"/> <fsummary>Test if a module has native code.</fsummary> <desc> diff --git a/lib/kernel/doc/src/seq_trace.xml b/lib/kernel/doc/src/seq_trace.xml index 5ac199b6a7..ba7259219d 100644 --- a/lib/kernel/doc/src/seq_trace.xml +++ b/lib/kernel/doc/src/seq_trace.xml @@ -129,7 +129,7 @@ seq_trace:set_token(OldToken), % activate the trace token again <seealso marker="erts:time_correction#Erlang_Monotonic_Time">Erlang monotonic time</seealso> and a monotonically increasing integer. The time-stamp has the same format and value - as produced by <c>{erlang:monotonic_time(nano_seconds), + as produced by <c>{erlang:monotonic_time(nanosecond), erlang:unique_integer([monotonic])}</c>.</p> </item> <tag><c>set_token(monotonic_timestamp, <anno>Bool</anno>)</c></tag> @@ -141,7 +141,7 @@ seq_trace:set_token(OldToken), % activate the trace token again <seealso marker="erts:time_correction#Erlang_Monotonic_Time">Erlang monotonic time</seealso>. The time-stamp has the same format and value as produced by - <c>erlang:monotonic_time(nano_seconds)</c>.</p> + <c>erlang:monotonic_time(nanosecond)</c>.</p> </item> </taglist> <p>If multiple timestamp flags are passed, <c>timestamp</c> has |