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| author | Emanuel Borsboom <manny@fpcomplete.com> | 2015-05-23 04:56:18 -0700 |
|---|---|---|
| committer | Mateusz Kowalczyk <fuuzetsu@fuuzetsu.co.uk> | 2015-06-12 02:46:23 +0100 |
| commit | 2b467a747df246090d1fd0270ea9bd4192ebe3df (patch) | |
| tree | f09d4837d39272ba3471ab544dd48f6de9827c84 /html-test/src/Threaded_TH.hs | |
| parent | a65953de929fd9488250f8e0257c918465193e43 (diff) | |
Build executable with '-threaded' (fixes #399)
Diffstat (limited to 'html-test/src/Threaded_TH.hs')
| -rw-r--r-- | html-test/src/Threaded_TH.hs | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/html-test/src/Threaded_TH.hs b/html-test/src/Threaded_TH.hs new file mode 100644 index 00000000..53e5a399 --- /dev/null +++ b/html-test/src/Threaded_TH.hs @@ -0,0 +1,13 @@ +-- | Imported by 'Threaded', since a TH splice can't be used in the +-- module where it is defined. +module Threaded_TH where + +import Control.Concurrent (forkOS) +import Language.Haskell.TH.Syntax (Exp (LitE), Lit (IntegerL), Q, runIO) + +-- | forkOS requires the threaded RTS, so this TH fails if haddock was +-- built without @-threaded@. +forkTH :: Q Exp +forkTH = do + _ <- runIO (forkOS (return ())) + return (LitE (IntegerL 0)) |