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Use BSD instead of POSIX file locks

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POSIX file locks are essentially incompatible with multithreading. BSD
locks have much saner semantics. We need this now that there can be
multiple concurrent LocalStore::buildPaths() invocations.
This commit is contained in:
Eelco Dolstra 2018-10-04 15:03:03 +02:00
parent ec415d7166
commit e349f2c0a3
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5 changed files with 45 additions and 107 deletions
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4
src/libstore/pathlocks.hh
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@ -16,8 +16,6 @@ enum LockType { ltRead, ltWrite, ltNone };
bool lockFile(int fd, LockType lockType, bool wait);
MakeError(AlreadyLocked, Error);
class PathLocks
{
private:
@ -37,6 +35,4 @@ public:
void setDeletion(bool deletePaths);
};
bool pathIsLockedByMe(const Path & path);
}