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LibUnicode: Cache the system time zone

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It's expensive to determine the system time zone from disk each time it
is requested. This makes LibUnicode cache the result, and provides an
API to clear that cache. This will let us set up a monitor to watch for
system time zone changes in platform-dependent ways.
This commit is contained in:
Timothy Flynn
2024-08-24 12:07:24 -04:00
committed by Andreas Kling
parent e25681203e
commit b31c11bca5
5 changed files with 27 additions and 3 deletions
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2
Tests/LibJS/test-js.cpp
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@@ -8,6 +8,7 @@
#include <LibCore/Environment.h>
#include <LibJS/Runtime/ArrayBuffer.h>
#include <LibTest/JavaScriptTestRunner.h>
#include <LibUnicode/TimeZone.h>
#include <stdlib.h>
#include <time.h>
@@ -106,6 +107,7 @@ TESTJS_GLOBAL_FUNCTION(set_time_zone, setTimeZone)
return vm.throw_completion<JS::InternalError>(MUST(String::formatted("Could not set time zone: {}", result.error())));
}
Unicode::clear_system_time_zone_cache();
tzset();
return current_time_zone;