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Our new CPP linter enforces this.
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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
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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
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This reverts commit 39b5c1cbd8950755de400933cecca7b8deb4ffcd.
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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>
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To improve performance of StablePtr.
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Consider this experimental for the time being. There are a lot of
things that could go wrong, but I've verified that at least it works
on the test cases we have.
I also did some API cleanups while I was here. Previously we had:
Capability * rts_eval (Capability *cap, HaskellObj p, /*out*/HaskellObj *ret);
but this API is particularly error-prone: if you forget to discard the
Capability * you passed in and use the return value instead, then
you're in for subtle bugs with +RTS -N later on. So I changed all
these functions to this form:
void rts_eval (/* inout */ Capability **cap,
/* in */ HaskellObj p,
/* out */ HaskellObj *ret)
It's much harder to use this version incorrectly, because you have to
pass the Capability in by reference.
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On second thoughts, hs_free_stable_ptr() is the official way to free a
StablePtr.
This reverts commit ae583f2949570755c8a03f68a71416c0fd7f257c.
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This has no effect with static libraries, but when the RTS is in a
shared library it does two things:
- it prevents the function from being exposed by the shared library
- internal calls to the function can use the faster non-PLT calls,
because the function cannot be overriden at link time.
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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.
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