Reviewed-by: Richard Levitte <levitte@openssl.org>

Document thread-safe lock creation

Reviewed-by: Richard Levitte <levitte@openssl.org>

InitOnceExecuteOnce returns nonzero on success:
MSDN: "If the function succeeds, the return value is nonzero."

So return 1 if it is nonzero, 0 others.
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>

return type should be int and not void

Signed-off-by: Rich Salz <rsalz@akamai.com>
Reviewed-by: Richard Levitte <levitte@openssl.org>

Signed-off-by: Rich Salz <rsalz@akamai.com>
Reviewed-by: Matt Caswell <matt@openssl.org>

Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>