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common: add a class to safely wrap mlock/munlock

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This class will allow mlocking small objects, of which there
may be several per page. It adds refcounting so pages are only
munlocked when the last object on that page munlocks.
This commit is contained in:
moneromooo-monero 2018-08-02 11:44:31 +00:00
parent e9ffa91257
commit 70271fa788
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6 changed files with 464 additions and 1 deletions
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7
contrib/epee/include/string_tools.h
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@ -46,6 +46,7 @@
#include <boost/algorithm/string/predicate.hpp>
#include "hex.h"
#include "memwipe.h"
#include "mlocker.h"
#include "span.h"
#include "warnings.h"
@ -358,6 +359,12 @@ POP_WARNINGS
return hex_to_pod(hex_str, unwrap(s));
}
//----------------------------------------------------------------------------
template<class t_pod_type>
bool hex_to_pod(const std::string& hex_str, epee::mlocked<t_pod_type>& s)
{
return hex_to_pod(hex_str, unwrap(s));
}
//----------------------------------------------------------------------------
bool validate_hex(uint64_t length, const std::string& str);
//----------------------------------------------------------------------------
inline std::string get_extension(const std::string& str)