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(parent: 1e9592a) | patch
[libc++] Don't return uninitialized data from random_device::operator()
authorDavid Majnemer <david.majnemer@gmail.com>
Tue, 3 Jun 2014 02:40:39 +0000 (02:40 +0000)
committerDavid Majnemer <david.majnemer@gmail.com>
Tue, 3 Jun 2014 02:40:39 +0000 (02:40 +0000)
commit2dfdfdf45c4c26a628527a542d9c4deaaf300ea1
tree5cc56dac5fafb9497f378e6af6f8a90318c3ac0etree | snapshot
parent1e9592a9c71ed87c806946ad2cccc1bcb472324dcommit | diff
[libc++] Don't return uninitialized data from random_device::operator()

Make sure we appropriately retry calls to read if the return result is
less than what we asked for.

Additionally, check and handle IO errors: EINTR results in the read
operation getting restarted; other errors turn into exceptions.

llvm-svn: 210061
libcxx/src/random.cpp diff | blob | history
libcxx/test/numerics/rand/rand.device/eval.pass.cpp diff | blob | history
Domain: System / Toolchain;