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author | Eelco Dolstra <eelco.dolstra@logicblox.com> | 2012-04-30T14·58-0400 |
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committer | Eelco Dolstra <eelco.dolstra@logicblox.com> | 2012-04-30T14·58-0400 |
commit | 46cdc6ad51376e2f31ce806ee38e697d00a6e5cb (patch) | |
tree | f8bafa8d4c93eb8af99a5b92fe37b6b430ffaa86 /src/boost | |
parent | c722193a91cb32f2696d655cf6301cf5ccfae6ce (diff) |
Handle EPERM when creating a hard link for the chroot
There is a race condition when doing parallel builds with chroots and the immutable bit enabled. One process may call makeImmutable() before the other has called link(), in which case link() will fail with EPERM. We could retry or wrap the operation in a lock, but since this condition is rare and I'm lazy, we just use the existing copy fallback. Fixes #9.
Diffstat (limited to 'src/boost')
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