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* cpp: Use #pragma once instead of #ifndef guardsBen Gamari2017-04-231-4/+1
| | | | | | | | | | | | | | This both says what we mean and silences a bunch of spurious CPP linting warnings. This pragma is supported by all CPP implementations which we support. Reviewers: austin, erikd, simonmar, hvr Reviewed By: simonmar Subscribers: rwbarton, thomie Differential Revision: https://phabricator.haskell.org/D3482
* rts/win32/IOManager: Fix integer typesBen Gamari2016-12-171-9/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This code has been broken on 64-bit systems for some time: the length and timeout arguments of `addIORequest` and `addDelayRequest`, respectively, were declared as `int`. However, they were passed Haskell integers from their respective primops. Integer overflow and madness ensued. This resulted in #7325 and who knows what else. Also, there were a few left-over `BOOL`s in here which were not passed to Windows system calls; these were changed to C99 `bool`s. However, there is still a bit of signedness inconsistency within the `delay#` call-chain, * `GHC.Conc.IO.threadDelay` and the `delay#` primop accept `Int` arguments * The `delay#` implementation in `PrimOps.cmm` expects the timeout as a `W_` * `AsyncIO.c:addDelayRequest` expects an `HsInt` (was `int` prior to this patch) * `IOManager.c:AddDelayRequest` expects an `HsInt`` (was `int`) * The Windows `Sleep` function expects a `DWORD` (which is unsigned) Test Plan: Validate on Windows Reviewers: erikd, austin, simonmar, Phyx Reviewed By: Phyx Subscribers: thomie Differential Revision: https://phabricator.haskell.org/D2861 GHC Trac Issues: #7325
* Use C99's boolBen Gamari2016-11-291-1/+1
| | | | | | | | | | | | Test Plan: Validate on lots of platforms Reviewers: erikd, simonmar, austin Reviewed By: erikd, simonmar Subscribers: michalt, thomie Differential Revision: https://phabricator.haskell.org/D2699
* Revert "rts: add Emacs 'Local Variables' to every .c file"Simon Marlow2014-09-291-8/+0
| | | | This reverts commit 39b5c1cbd8950755de400933cecca7b8deb4ffcd.
* rts: add Emacs 'Local Variables' to every .c fileAustin Seipp2014-07-281-0/+8
| | | | | | | | This will hopefully help ensure some basic consistency in the forward by overriding buffer variables. In particular, it sets the wrap length, the offset to 4, and turns off tabs. Signed-off-by: Austin Seipp <austin@well-typed.com>
* rts: delint/detab/dewhitespace win32/IOManager.hAustin Seipp2014-07-281-26/+26
| | | | Signed-off-by: Austin Seipp <austin@well-typed.com>
* Use usecs rather than msecs for microsecondsIan Lynagh2013-02-051-2/+2
| | | | We were using "us" elsewhere, so this was inconsistent.
* RTS tidyup sweep, first phaseSimon Marlow2009-08-021-3/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The first phase of this tidyup is focussed on the header files, and in particular making sure we are exposinng publicly exactly what we need to, and no more. - Rts.h now includes everything that the RTS exposes publicly, rather than a random subset of it. - Most of the public header files have moved into subdirectories, and many of them have been renamed. But clients should not need to include any of the other headers directly, just #include the main public headers: Rts.h, HsFFI.h, RtsAPI.h. - All the headers needed for via-C compilation have moved into the stg subdirectory, which is self-contained. Most of the headers for the rest of the RTS APIs have moved into the rts subdirectory. - I left MachDeps.h where it is, because it is so widely used in Haskell code. - I left a deprecated stub for RtsFlags.h in place. The flag structures are now exposed by Rts.h. - Various internal APIs are no longer exposed by public header files. - Various bits of dead code and declarations have been removed - More gcc warnings are turned on, and the RTS code is more warning-clean. - More source files #include "PosixSource.h", and hence only use standard POSIX (1003.1c-1995) interfaces. There is a lot more tidying up still to do, this is just the first pass. I also intend to standardise the names for external RTS APIs (e.g use the rts_ prefix consistently), and declare the internal APIs as hidden for shared libraries.
* #2768: fix compatibility problem with newer version of mingwSimon Marlow2008-11-131-5/+1
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* FIX #1177, partially at least.Simon Marlow2007-07-251-1/+1
| | | | | | | | | | | Now we don't wait for outstanding IO requests when shutting down at program exit time, but we still wait when shutting down a DLL (via hs_exit()). There ought to be a better way to do this, but terminating the threads forcibly is not a good idea (it never is: the thread might be holding a mutex when it dies, for example). I plan to add some docs to the user guide to describe how to shut down a DLL properly.
* Reorganisation of the source treeSimon Marlow2006-04-071-0/+110
Most of the other users of the fptools build system have migrated to Cabal, and with the move to darcs we can now flatten the source tree without losing history, so here goes. The main change is that the ghc/ subdir is gone, and most of what it contained is now at the top level. The build system now makes no pretense at being multi-project, it is just the GHC build system. No doubt this will break many things, and there will be a period of instability while we fix the dependencies. A straightforward build should work, but I haven't yet fixed binary/source distributions. Changes to the Building Guide will follow, too.
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