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* Finish stable splitDavid Feuer2018-08-291-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Long ago, the stable name table and stable pointer tables were one. Now, they are separate, and have significantly different implementations. I believe the time has come to finish the split that began in #7674. * Divide `rts/Stable` into `rts/StableName` and `rts/StablePtr`. * Give each table its own mutex. * Add FFI functions `hs_lock_stable_ptr_table` and `hs_unlock_stable_ptr_table` and document them. These are intended to replace the previously undocumented `hs_lock_stable_tables` and `hs_lock_stable_tables`, which are now documented as deprecated synonyms. * Make `eqStableName#` use pointer equality instead of unnecessarily comparing stable name table indices. Reviewers: simonmar, bgamari, erikd Reviewed By: bgamari Subscribers: rwbarton, carter GHC Trac Issues: #15555 Differential Revision: https://phabricator.haskell.org/D5084
* Prefer #if defined to #ifdefBen Gamari2017-04-281-5/+5
| | | | Our new CPP linter enforces this.
* Make globals use sharedCAFMoritz Angermann2016-12-111-54/+25
| | | | | | | | | | | | | | | | | | | Summary: The use of globals is quite painful when multiple rts are loaded, e.g. when plugins are loaded, which bring in a second rts. The sharedCAF appraoch was employed for the FastStringTable; I've taken the libery to extend this to the other globals I could find. This is a reboot of D2575, that should hopefully not exhibit the same windows build issues. Reviewers: Phyx, simonmar, goldfire, bgamari, austin, hvr, erikd Reviewed By: Phyx, simonmar, bgamari Subscribers: mpickering, thomie Differential Revision: https://phabricator.haskell.org/D2773
* Revert "Make globals use sharedCAF"Ben Gamari2016-11-301-25/+54
| | | | | This reverts commit 6f7ed1e51bf360621a3c2a447045ab3012f68575 due to breakage of the build on Windows.
* Make globals use sharedCAFMoritz Angermann2016-11-291-54/+25
| | | | | | | | | | | | | | | The use of globals is quite painful when multiple rts are loaded, e.g. when plugins are loaded, which bring in a second rts. The sharedCAF appraoch was employed for the FastStringTable; I've taken the libery to extend this to the other globals I could find. Reviewers: rwbarton, simonmar, austin, hvr, erikd, bgamari Reviewed By: simonmar, bgamari Subscribers: thomie Differential Revision: https://phabricator.haskell.org/D2575
* rts: Replace `nat` with `uint32_t`Erik de Castro Lopo2016-05-051-2/+2
| | | | | | | | | | | | The `nat` type was an alias for `unsigned int` with a comment saying it was at least 32 bits. We keep the typedef in case client code is using it but mark it as deprecated. Test Plan: Validated on Linux, OS X and Windows Reviewers: simonmar, austin, thomie, hvr, bgamari, hsyl20 Differential Revision: https://phabricator.haskell.org/D2166
* 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>
* adding FastString.string_table to the sharedCAF/Globals.c mechanismNicolas Frisby2013-07-161-2/+14
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* Added RTS hooks for the timer manager.Andreas Voellmy2013-02-111-0/+14
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* remove getOrSetTypeableStore. This is no longer used after the switchSimon Marlow2011-07-121-8/+0
| | | | to using MD5 hashes to identify TypeReps in the Typeable library.
* Integrate new I/O manager, with signal supportJohan Tibell2010-07-241-15/+22
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* 'store' should be static (#3835)Simon Marlow2010-01-221-1/+1
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* Second attempt to fix #1185 (forkProcess and -threaded)Simon Marlow2009-11-111-31/+61
| | | | | | | | | | | | Patch 1/2: second part of the patch is to libraries/base This time without dynamic linker hacks, instead I've expanded the existing rts/Globals.c to cache more CAFs, specifically those in GHC.Conc. We were already using this trick for signal handlers, I should have realised before. It's still quite unsavoury, but we can do away with rts/Globals.c in the future when we switch to a dynamically-linked GHCi.
* RTS tidyup sweep, first phaseSimon Marlow2009-08-021-1/+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.
* add missing files (part of #3171 fix)Simon Marlow2009-04-241-0/+84
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