Log message severity -- Emergency: system is unusable.

Related topics

Logging severity levels
Logging severity levels as defined in RFC 3164.
5 uses of WATCHDOG_EMERGENCY
DBLogTestCase::getSeverityConstant in modules/dblog/dblog.test
Gets the watchdog severity constant corresponding to the CSS class.
DBLogTestCase::testFilter in modules/dblog/dblog.test
Tests the database log filter functionality at admin/reports/dblog.
dblog_overview in modules/dblog/dblog.admin.inc
Page callback: Displays a listing of database log messages.
hook_watchdog in modules/system/system.api.php
Log an event message.
watchdog_severity_levels in includes/common.inc
Returns a list of severity levels, as defined in RFC 3164.

File

includes/bootstrap.inc, line 78
Functions that need to be loaded on every Drupal request.

Code

define('WATCHDOG_EMERGENCY', 0);