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| author | Matthew Pickering <matthewtpickering@gmail.com> | 2021-11-16 15:38:24 +0000 |
|---|---|---|
| committer | Zubin Duggal <zubin.duggal@gmail.com> | 2021-12-16 16:21:09 +0530 |
| commit | 5bccb7b85505798873ae02a233020be1fa548229 (patch) | |
| tree | 10978ba9f5b764b7da8a64f73e7254cd8d3db493 | |
| parent | c92d040d0175636138848285c15cc37365319050 (diff) | |
| download | haskell-5bccb7b85505798873ae02a233020be1fa548229.tar.gz | |
Revert "base: Use one-shot kqueue on macOS"
This reverts commit 41117d71bb58e001f6a2b6a11c9314d5b70b9182
(cherry picked from commit f8c1c549bbb02cb0a943a9ae49dee922c96d85c4)
| -rw-r--r-- | libraries/base/GHC/Event/Manager.hs | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/libraries/base/GHC/Event/Manager.hs b/libraries/base/GHC/Event/Manager.hs index 51306795fe..eda3e61490 100644 --- a/libraries/base/GHC/Event/Manager.hs +++ b/libraries/base/GHC/Event/Manager.hs @@ -150,7 +150,9 @@ callbackTableVar mgr fd = emFds mgr ! hashFd fd haveOneShot :: Bool {-# INLINE haveOneShot #-} -#if defined(HAVE_EPOLL) || defined(HAVE_KQUEUE) +#if defined(darwin_HOST_OS) || defined(ios_HOST_OS) +haveOneShot = False +#elif defined(HAVE_EPOLL) || defined(HAVE_KQUEUE) haveOneShot = True #else haveOneShot = False @@ -363,9 +365,20 @@ registerFd mgr cb fd evs lt = do return r {-# INLINE registerFd #-} +{- + Building GHC with parallel IO manager on Mac freezes when + compiling the dph libraries in the phase 2. As workaround, we + don't use oneshot and we wake up an IO manager on Mac every time + when we register an event. + + For more information, please read: + https://gitlab.haskell.org/ghc/ghc/issues/7651 +-} -- | Wake up the event manager. wakeManager :: EventManager -> IO () -#if defined(HAVE_EPOLL) || defined(HAVE_KQUEUE) +#if defined(darwin_HOST_OS) || defined(ios_HOST_OS) +wakeManager mgr = sendWakeup (emControl mgr) +#elif defined(HAVE_EPOLL) || defined(HAVE_KQUEUE) wakeManager _ = return () #else wakeManager mgr = sendWakeup (emControl mgr) |