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| -rw-r--r-- | doc/design/assistant/blog/day_12__freebsd_redux.mdwn | 23 |
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diff --git a/doc/design/assistant/blog/day_12__freebsd_redux.mdwn b/doc/design/assistant/blog/day_12__freebsd_redux.mdwn new file mode 100644 index 000000000..ba397788a --- /dev/null +++ b/doc/design/assistant/blog/day_12__freebsd_redux.mdwn @@ -0,0 +1,23 @@ +Followed my plan from yesterday, and wrote a simple C library to interface +to `kqueue`, and Haskell code to use that library. By now I think I +understand kqueue fairly well -- there are some very tricky parts to the +interface. + +But... it still did't work. After building all this, my code was +failing the same way that the +[haskell kqueue library failed](https://github.com/hesselink/kqueue/issues/1) +yesterday. I filed a [bug report with a testcase](). + +Then I thought to ask on #haskell. Got sorted out in quick order! The +problem turns out to be that haskell's runtime has a peridic SIGALARM, +that is interrupting my kevent call. It can be worked around with `+RTS -V0`, +but I put in a fix to retry to kevent when it's interrupted. + +And now `git-annex watch` can detect changes to directories on BSD and OSX! + +Note: I said "detect", not "do something useful in response to". Getting +from the limited kqueue events to actually staging changes in the git repo +is going to be another day's work. Still, brave FreeBSD or OSX users +might want to check out the `watch` branch from git and see if +`git annex watch` will at least *say* it sees changes you make to your +repository. |