diff options
Diffstat (limited to 'erts/doc/src/erl.xml')
| -rw-r--r-- | erts/doc/src/erl.xml | 35 |
1 files changed, 15 insertions, 20 deletions
diff --git a/erts/doc/src/erl.xml b/erts/doc/src/erl.xml index 8b152b83f5..638e88ca31 100644 --- a/erts/doc/src/erl.xml +++ b/erts/doc/src/erl.xml @@ -1553,32 +1553,27 @@ <item> <p><em>Unix systems</em>: This variable gives the number of seconds that the emulator is allowed to spend writing a crash dump. When the - given number of seconds have elapsed, the emulator is terminated by a - <c>SIGALRM</c> signal.</p> - <p>If the variable is <em>not</em> set or set to <c>0</c> seconds - (<c><![CDATA[ERL_CRASH_DUMP_SECONDS=0]]></c>), the runtime system does - not even attempt to write the crash dump file. It only terminates.</p> - <p>If the variable is set to negative value, such as - <c><![CDATA[ERL_CRASH_DUMP_SECONDS=-1]]></c>, the runtime system - waits indefinitely for the crash dump file to be written.</p> - <p>This variable is used with <seealso marker="kernel:heart"> - <c>heart(3)</c></seealso> if <c>heart</c> is running:</p> + given number of seconds have elapsed, the emulator is terminated.</p> <taglist> <tag><c><![CDATA[ERL_CRASH_DUMP_SECONDS=0]]></c></tag> - <item>Suppresses the writing a crash dump file entirely, thus - rebooting the runtime system immediately. This is the same as not - setting the environment variable. + <item>If the variable is set to <c>0</c> seconds, the runtime system does + not even attempt to write the crash dump file. It only terminates. + This is the default if option <c>-heart</c> is passed to <c>erl</c> + and <c>ERL_CRASH_DUMP_SECONDS</c> is not set. + </item> + <tag><c><![CDATA[ERL_CRASH_DUMP_SECONDS=S]]></c></tag> + <item>If the variable is set to a positive value <c>S</c>, + wait for <c>S</c> seconds to complete the crash dump file and + then terminates the runtime system with a <c>SIGALRM</c> signal. </item> <tag><c><![CDATA[ERL_CRASH_DUMP_SECONDS=-1]]></c></tag> - <item>Setting the environment variable to a negative value causes the - termination of the runtime system to wait until the crash dump file - has been completly written. - </item> - <tag><c><![CDATA[ERL_CRASH_DUMP_SECONDS=S]]></c></tag> - <item>Waits for <c>S</c> seconds to complete the crash dump file and - then terminates the runtime system. + <item>A negative value causes the termination of the runtime system + to wait indefinitely until the crash dump file has been completly + written. This is the default if option <c>-heart</c> is <em>not</em> + passed to <c>erl</c> and <c>ERL_CRASH_DUMP_SECONDS</c> is not set. </item> </taglist> + <p>See also <seealso marker="kernel:heart"><c>heart(3)</c></seealso>.</p> </item> <tag><c><![CDATA[ERL_CRASH_DUMP_BYTES]]></c></tag> <item> |