Package: ghc-lukko (0.1.2-bp160.1.12)
File locking
This package provides access to platform dependent file locking APIs:
*
<https://www.gnu.org/software/libc/manual/html_node/Open-File-Description-Locks.html
Open file descriptor locking> on Linux ("Lukko.OFD") * BSD-style 'flock(2)'
locks on UNIX platforms ("Lukko.FLock") * Windows locking via
<https://docs.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-lockfilee
LockFileEx> ("Lukko.Windows") * No-op locking, which throws exceptions
("Lukko.NoOp") * "Lukko" module exports the best option for the target platform
with uniform API.
There are alternative file locking packages:
* "GHC.IO.Handle.Lock" in 'base >= 4.10' is good enough for most use cases.
However, uses only 'Handle's so these locks cannot be used for intra-process
locking. (You should use e.g. 'MVar' in addition).
* <https://hackage.haskell.org/package/filelock filelock> doesn't support OFD
locking.
/Lukko/ means lock in Finnish.
Submodules "Lukko.OFD", "Lukko.Windows" etc are available based on following
conditions.
' if os(windows) cpp-options: -DHAS_WINDOWS_LOCK
elif (os(linux) && flag(ofd-locking)) cpp-options: -DHAS_OFD_LOCKING
cpp-options: -DHAS_FLOCK
elif !(os(solaris) || os(aix)) cpp-options: -DHAS_FLOCK '
"Lukko.FLock" is available on not (Windows or Solaris or AIX).
"Lukko.NoOp" is always available.
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dep: libHSghc-prim-0.11.0-7710-ghc9.8.3.so()(64bit)
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dep: libgmp.so.10()(64bit)
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dep: libm.so.6()(64bit)
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Download ghc-lukko
| Architecture | Package size | Installed size | Files | Package |
|---|---|---|---|---|
| aarch64 | 46 KiB | 191 KiB | list of files | Download |
| ppc64le | 50 KiB | 255 KiB | list of files | Download |
| x86_64 | 46 KiB | 163 KiB | list of files | Download |
Package file paths (6)
Paths come from the repository package-file index for the observed builds. They describe archive/package associations, not every file that will exist on a running system after maintainer scripts, alternatives, generated state, diversions, or installation choices.
- /usr/lib64/ghc-9.8.3/lib/libHSlukko-0.1.2-71LHzJEoKw2ASpqkCTPQh1-ghc9.8.3.so
- /usr/lib64/ghc-9.8.3/lib/libHSlukko-0.1.2-JxRplLfF5qM560LEncqjHr-ghc9.8.3.so
- /usr/share/licenses/ghc-lukko
- /usr/share/licenses/ghc-lukko/LICENSE
- /usr/share/licenses/ghc-lukko/LICENSE.GPLv2
- /usr/share/licenses/ghc-lukko/LICENSE.GPLv3
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