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Respect max-substitution-jobs again

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This broke in #11005. Any number of PathSubstitutionGoals would
be woken up by a single build slot becoming available. If there
are a lot of substitution goals active, this could lead to us
running out of file descriptors (especially on macOS where the
default limit is 256).
This commit is contained in:
Eelco Dolstra 2024-09-02 17:28:11 +02:00
parent ef1ac0d117
commit a33cb8af56
1 changed files with 1 additions and 1 deletions
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2
src/libstore/build/substitution-goal.cc
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@ -183,7 +183,7 @@ Goal::Co PathSubstitutionGoal::tryToRun(StorePath subPath, nix::ref<Store> sub,
/* Make sure that we are allowed to start a substitution. Note that even
if maxSubstitutionJobs == 0, we still allow a substituter to run. This
prevents infinite waiting. */
if (worker.getNrSubstitutions() >= std::max(1U, (unsigned int) settings.maxSubstitutionJobs)) {
while (worker.getNrSubstitutions() >= std::max(1U, (unsigned int) settings.maxSubstitutionJobs)) {
worker.waitForBuildSlot(shared_from_this());
co_await Suspend{};
}