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nix-super/src/libmain
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Eelco Dolstra dcc37c236c * nix-store, nix-instantiate: added an option `--add-root' to 
immediately add the result as a permanent GC root.  This is the only
  way to prevent a race with the garbage collector.  For instance, the
  old style

    ln -s $(nix-store -r $(nix-instantiate foo.nix)) \
      /nix/var/nix/gcroots/result

  has two time windows in which the garbage collector can interfere
  (by GC'ing the derivation and the output, respectively).  On the
  other hand,

    nix-store --add-root /nix/var/nix/gcroots/result -r \
      $(nix-instantiate --add-root /nix/var/nix/gcroots/drv \
        foo.nix)

  is safe.

* nix-build: use `--add-root' to prevent GC races.
2005-02-01 12:36:25 +00:00
..
Makefile.am * Revert r1594 - it didn't solve the problem. Instead add 2004-10-25 13:51:34 +00:00
shared.cc * nix-store, nix-instantiate: added an option `--add-root' to 2005-02-01 12:36:25 +00:00
shared.hh * nix-store, nix-instantiate: added an option `--add-root' to 2005-02-01 12:36:25 +00:00