| Commit message (Collapse) | Author | Age |
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It's very unlikely the current `unix` code stands any chance of even
remotely work with Hugs...
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This avoids incompatible-pointer warnings from the c-compiler when using
`CApiFFI`
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The previous code was prone to conflicts with when the platform happens
to expose a `execvpe(3)` implementation in its libc.
This commit renames the internal implementation to `__hsunix_execvpe` as
well as adding an autoconf-detection for the presence of `execvpe(3)`,
in which case `__hsunix_execvpe()` forwards the call to `execvpe(3)`.
Moreover, the code has been cleaned up to remove likely bitrotted CPP
conditionals.
This should fix #22
(This also partially addresses #11 on platforms which have a
libc-provided `execvpe(3)`)
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...on recently touched files
Signed-off-by: Herbert Valerio Riedel <hvr@gnu.org>
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This helps Haddock make tose hyperlinked functions.
Signed-off-by: Herbert Valerio Riedel <hvr@gnu.org>
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This seemed to be an obvious addition while working on #8433.
Signed-off-by: Herbert Valerio Riedel <hvr@gnu.org>
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...and while at it, use `bracket` to fix a potential resource leak due
to `freeStablePtr` not being called if `throwErrnoIfMinus1` throws an
exception.
This fixes #8433
Signed-off-by: Herbert Valerio Riedel <hvr@gnu.org>
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By avoiding `import Foreign` this accomplishes backward-compatibility
w.r.t. the `unsafePerformIO` relocation w/o resorting to CPP
conditionals.
Moreover, in order to support base<4.7 this commits needs to reintroduce
a harmless backport of `newFilePath`.
Signed-off-by: Herbert Valerio Riedel <hvr@gnu.org>
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The changelog file will be shown on Hackage once it's included in the
source tarball.
Signed-off-by: Herbert Valerio Riedel <hvr@gnu.org>
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Only language extensions not active when `-XHaskell2010` is enabled are
declared, this way we can drop many redundant
`{-# LANGUAGE ForeignFunctionInterface #-}` occurences. This commit also
removes/replaces some `{-# OPTIONS_GHC -XRecordWildCards #-}` pragmas.
Signed-off-by: Herbert Valerio Riedel <hvr@gnu.org>
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The Bool field of Terminated is new, as is the documentation:
data ProcessStatus
= Exited ExitCode -- ^ the process exited by calling
-- @exit()@ or returning from @main@
| Terminated Signal Bool -- ^ the process was terminated by a
-- signal, the @Bool@ is @True@ if a core
-- dump was produced
| Stopped Signal -- ^ the process was stopped by a signal
deriving (Eq, Ord, Show)
This is an API change, hence will need a major version bump.
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and remove code to support older versions
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The new module System.Posix.ByteString provides exactly the same API
as System.Posix, except that:
- There is a new type: RawFilePath = ByteString
- All functions mentioning FilePath in the System.Posix API
use RawFilePath in the System.Posix.ByteString API
- RawFilePaths are not subject to Unicode locale encoding and
decoding, unlike FilePaths. They are the exact bytes passed to and
returned from the underlying POSIX API.
- Similarly for functions that deal in environment
strings (System.Posix.Env): these use untranslated ByteStrings
in System.Posix.Environment
- There is a new function
System.Posix.ByteString.getArgs :: [ByteString]
returning the raw untranslated arguments as passed to exec() when
the program was started.
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The API is the same (for now). The new implementation has the
capability to define signal handlers that have access to the siginfo
of the signal (#592), but this functionality is not exposed in this
patch.
#2451 is the ticket for the new API.
The main purpose of bringing this in now is to fix race conditions in
the old signal handling code (#2858). Later we can enable the new
API in the HEAD.
Implementation differences:
- More of the signal-handling is moved into Haskell. We store the
table of signal handlers in an MVar, rather than having a table of
StablePtrs in the RTS.
- In the threaded RTS, the siginfo of the signal is passed down the
pipe to the IO manager thread, which manages the business of
starting up new signal handler threads. In the non-threaded RTS,
the siginfo of caught signals is stored in the RTS, and the
scheduler starts new signal handler threads.
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Also adds System.Posix.Process.Internals in order to make the deps work out.
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Herbert Valerio Riedel
David Terei
Ian Lynagh
Simon Marlow
David Terei
simonpj@microsoft.com
Ian Lynagh