зеркало из https://github.com/mozilla/gecko-dev.git
9f9c7c8211
Upon a content process crash or hang crash annotations were incrementally written into the .extra file starting with the exception handler callback and then in a number of different places before the file was ready for submission. This had a number of downsides: since the annotations were directly added to the file it was impossible to tell which ones were already written at a certain point in time, additionally some were written twice or even thrice. The code doing the writing would also behave differently depending on the contents of the file, the parameters passed to it and the contents of global variables. This change overhauls the whole process by keeping the annotations into a temporary per-crash annotation table which is filled with all the required annotations before being written out in a single pass when they are ready. The annotations are gathered from the main process annotation table, the per-process one (held by the CrashReporterHost) and exception-time specific ones. The resulting annotations are slightly different than before the patch: first of all there are no more duplicate entries in the .extra file and secondly all content/plugin process hangs annotations are properly filtered, before annotations that were main process-only would leak into them. Differential Revision: https://phabricator.services.mozilla.com/D31069 --HG-- extra : moz-landing-system : lando |
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