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implementations.
In the event of a failure in _rs_allocate for rsx, we still have a reference to
freed memory for rs on return. Not a huge deal since we subsequently abort in
_rs_init, but it looks strange on its own.
ok deraadt@
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other systems to fit into the same mold, so add copyright
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case of failing to map the 2nd object.
found by Paul Maurers
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Move <sys/mman.h> and raise(SIGKILL) calls to OS-specific headers.
On OpenBSD, move thread_private.h as well to arc4random.h.
On Windows, use TerminateProcess on getentropy failure.
ok deraadt@
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into one if a system has an awesome getentropy(). In that case it
is valid to totally throw away the rsx state in the child. If the
getentropy() is not very good and has a lazy reseed operation, this
combining is a bad idea, and the reseed should probably continue to
use the "something old, something new" mix. _rs_allocate() can
accomodate either method, but not on the fly.
ok matthew
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1. Use "len" parameter instead of sizeof(*rs).
2. Simplify the atfork handler to be strictly async signal safe by
simply writing to a global volatile sig_atomic_t object, and then
checking for this in _rs_forkdetect(). (Idea from discussions with
Szabolcs Nagy and Rich Felker.)
3. Use memset(rs, 0, sizeof(*rs)) to match OpenBSD's MAP_INHERIT_ZERO
fork semantics to avoid any skew in behavior across platforms.
ok deraadt
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making it much easier for libressl -portable to fill in the gaps.
ok bcook beck
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