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* Prevent uids from being used for more than one build

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simultaneously.  We do this using exclusive locks on uid files in
  /nix/var/nix/userpool, e.g., /nix/var/nix/userpool/123 for uid 123.
This commit is contained in:
Eelco Dolstra 2005-10-20 16:58:34 +00:00
parent e932c40f8e
commit 92d599c6a7
2 changed files with 122 additions and 37 deletions
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3
Makefile.am
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@ -36,7 +36,8 @@ init-state:
$(INSTALL) $(INIT_FLAGS) $(GROUP_WRITABLE) -d $(DESTDIR)$(localstatedir)/nix/gcroots/channels
rm -f $(DESTDIR)$(localstatedir)/nix/gcroots/profiles
ln -s $(localstatedir)/nix/profiles $(DESTDIR)$(localstatedir)/nix/gcroots/profiles
$(INSTALL) $(INIT_FLAGS) -d $(DESTDIR)$(prefix)/store
$(INSTALL) $(INIT_FLAGS) -d $(DESTDIR)$(localstatedir)/nix/userpool
$(INSTALL) $(INIT_FLAGS) -m 1777 -d $(DESTDIR)$(prefix)/store
$(INSTALL) $(INIT_FLAGS) $(GROUP_WRITABLE) -d $(DESTDIR)$(localstatedir)/nix/manifests
# $(bindir)/nix-store --init
else