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Revert "nix: Guard against removing temporary roots of living processes."

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This reverts commit bb0beaecde.  This
change broke a number of tests that assumed the previous behavior.
This commit is contained in:
Ludovic Courtès 2022-10-17 09:36:43 +02:00
parent 094b357783
commit eec920ba93
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GPG key ID: 090B11993D9AEBB5
1 changed files with 4 additions and 5 deletions
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9
nix/libstore/gc.cc
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@ -2,7 +2,6 @@
#include "misc.hh"
#include "local-store.hh"
#include <string>
#include <functional>
#include <queue>
#include <algorithm>
@ -227,10 +226,10 @@ static void readTempRoots(PathSet & tempRoots, FDs & fds)
//FDPtr fd(new AutoCloseFD(openLockFile(path, false)));
//if (*fd == -1) continue;
/* Try to acquire a write lock without blocking. This can only
succeed if the owning process has died, in which case we don't care
about its temporary roots, or if we are the owning process. */
if (i.name != std::to_string(getpid()) && lockFile(*fd, ltWrite, false)) {
/* Try to acquire a write lock without blocking. This can
only succeed if the owning process has died. In that case
we don't care about its temporary roots. */
if (lockFile(*fd, ltWrite, false)) {
printMsg(lvlError, format("removing stale temporary roots file `%1%'") % path);
unlink(path.c_str());
writeFull(*fd, "d");