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291 MiB

Tree: 7c9e767e1f

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Author	SHA1	Message	Date
ValarDragon	be642754f5	libs/cmn/writefileatomic: Handle file already exists gracefully (#2113 ) This uses the stdlib's method of creating a tempfile in our write file atomimc method, with a few modifications. We use a 64 bit number rather than 32 bit, and therefore a corresponding LCG. This is to reduce collision probability. (Note we currently used 32 bytes previously, so this is likely a concern) We handle reseeding the LCG in such a way that multiple threads are even less likely to reuse the same seed.	7 years ago

Author

SHA1

Message

Date

ValarDragon

be642754f5

libs/cmn/writefileatomic: Handle file already exists gracefully (#2113 )

This uses the stdlib's method of creating a tempfile in our write
file atomimc method, with a few modifications. We use a 64 bit number
rather than 32 bit, and therefore a corresponding LCG. This is to
reduce collision probability. (Note we currently used 32 bytes previously,
so this is likely a concern)

We handle reseeding the LCG in such a way that multiple threads are
even less likely to reuse the same seed.

7 years ago

1 Commits (7c9e767e1fc2fa3f84d50a7313e20ddbff174b46)