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Fix auto-gc

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This commit is contained in:
Eelco Dolstra 2021-08-19 22:43:43 +02:00
parent 8614cf1334
commit ff453b06f9
3 changed files with 19 additions and 5 deletions
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12
src/libstore/local-store.cc
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@ -382,11 +382,16 @@ LocalStore::LocalStore(const Params & params)
(select id from Realisations where drvPath = ? and outputName = ?));
)");
}
}
AutoCloseFD LocalStore::openGCLock()
{
Path fnGCLock = stateDir + "/gc.lock";
state->fdGCLock = open(fnGCLock.c_str(), O_RDWR | O_CREAT | O_CLOEXEC, 0600);
if (!state->fdGCLock)
auto fdGCLock = open(fnGCLock.c_str(), O_RDWR | O_CREAT | O_CLOEXEC, 0600);
if (!fdGCLock)
throw SysError("opening global GC lock '%1%'", fnGCLock);
return fdGCLock;
}
@ -1509,7 +1514,8 @@ bool LocalStore::verifyStore(bool checkContents, RepairFlag repair)
/* Acquire the global GC lock to get a consistent snapshot of
existing and valid paths. */
FdLock gcLock(_state.lock()->fdGCLock.get(), ltWrite, true, "waiting for the big garbage collector lock...");
auto fdGCLock = openGCLock();
FdLock gcLock(fdGCLock.get(), ltRead, true, "waiting for the big garbage collector lock...");
StringSet store;
for (auto & i : readDirectory(realStoreDir)) store.insert(i.name);