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authorWladimir J. van der Laan <laanwj@gmail.com>2012-08-22 11:34:32 +0200
committerWladimir J. van der Laan <laanwj@gmail.com>2012-08-23 06:55:35 +0200
commite95568b78ddead0173339ca98df6cd92131ceb62 (patch)
tree3860dc256f0c80a4764ef79bb1fa6fa3ec814392 /src/crypter.cpp
parentfedd060d819e671388e9996f55af7a70f270f0b9 (diff)
Handle locked pages more robustly (Fixes issue #1462)
Memory locks do not stack, that is, pages which have been locked several times by calls to mlock() will be unlocked by a single call to munlock(). This can result in keying material ending up in swap when those functions are used naively. In this commit a class "LockedPageManager" is added that simulates stacking memory locks by keeping a counter per page.
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