Vamshi Surabhi c52bfc540d More robust forking, exception safety. Closes #3768 (#3860) ... This is the result of a general audit of how we fork threads, with a detour into how we're using mutable state especially in websocket codepaths, making more robust to async exceptions and exceptions resulting from bugs. Some highlights: - use a wrapper around 'immortal' so threads that die due to bugs are restarted, and log the error - use 'withAsync' some places - use bracket a few places where we might break invariants - log some codepaths that represent bugs - export UnstructuredLog for ad hoc logging (the alternative is we continue not logging useful stuff) I had to timebox this. There are a few TODOs I didn't want to address. And we'll wait until this is merged to attempt #3705 for Control.Concurrent.Extended		2020-03-05 23:29:26 +05:30
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Aeson	export metadata without nulls, empty arrays & default values (#3393)	2019-12-14 00:47:38 -06:00
HashMap/Strict	Use arrows instead of monads to define the schema cache construction	2020-01-08 16:43:06 -06:00
List	allow custom mutations through actions (#3042)	2020-02-13 23:08:23 +05:30
Parser	fix cache-control header parsing for JWK (fix #3655) (#3676)	2020-01-13 15:56:51 -06:00
Sequence	fix updating a column with multiple operators causing postgres query error (fix #3432) (#3458)	2019-12-03 14:00:37 -06:00
Text	refactor to remove warnings especially with orphan instances (#1163)	2018-12-13 12:56:15 +05:30
Time/Clock	Add request timings and count histograms to telemetry. Closes #3552	2020-02-03 18:50:10 -06:00
URL	allow custom mutations through actions (#3042)	2020-02-13 23:08:23 +05:30
TByteString.hs	More robust forking, exception safety. Closes #3768 (#3860)	2020-03-05 23:29:26 +05:30