From ff1c16d4ee0c4ca043bd99a5d6741ea2d53e7000 Mon Sep 17 00:00:00 2001 From: Herbert Valerio Riedel Date: Sun, 31 Jan 2016 17:04:25 +0100 Subject: Add comment regarding genericRaise use --- System/Posix/Signals.hsc | 3 +++ 1 file changed, 3 insertions(+) diff --git a/System/Posix/Signals.hsc b/System/Posix/Signals.hsc index 222911a..971973e 100644 --- a/System/Posix/Signals.hsc +++ b/System/Posix/Signals.hsc @@ -290,6 +290,9 @@ foreign import ccall unsafe "killpg" raiseSignal :: Signal -> IO () raiseSignal sig = throwErrnoIfMinus1_ "raiseSignal" (c_raise sig) +-- See also note in GHC's rts/RtsUtils.c +-- This is somewhat fragile because we need to keep the +-- `#if`-conditional in sync with GHC's runtime. #if (defined(openbsd_HOST_OS) || defined(freebsd_HOST_OS) || defined(dragonfly_HOST_OS) || defined(netbsd_HOST_OS) || defined(darwin_HOST_OS)) foreign import ccall unsafe "genericRaise" c_raise :: CInt -> IO CInt -- cgit v1.2.3