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device: implement default device locking

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This commit is contained in:
woodser
2026-08-02 15:11:25 -04:00
parent ae3931c1d9
commit d8b40e3898
2 changed files with 23 additions and 3 deletions
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src/device/device_default.cpp
+17 -3
View File
@@ -30,6 +30,7 @@
#include <boost/thread/lock_guard.hpp>
#include "device_default.hpp"
#include "int-util.h"
#include "crypto/wallet/crypto.h"
@@ -82,19 +83,32 @@ namespace hw {
return true;
}
// serialize mode access so callers cannot observe another wallet's transient signing mode
bool device_default::set_mode(device_mode mode) {
boost::lock_guard<boost::recursive_mutex> lock(device_locker);
return device::set_mode(mode);
}
device::device_mode device_default::get_mode() const {
boost::lock_guard<boost::recursive_mutex> lock(device_locker);
return device::get_mode();
}
/* ======================================================================= */
/* LOCKER */
/* ======================================================================= */
void device_default::lock() { }
void device_default::lock() {
device_locker.lock();
}
bool device_default::try_lock() { return true; }
bool device_default::try_lock() {
return device_locker.try_lock();
}
void device_default::unlock() { }
void device_default::unlock() {
device_locker.unlock();
}
/* ======================================================================= */
/* WALLET & ADDRESS */
src/device/device_default.hpp
+6
View File
@@ -29,6 +29,7 @@
#pragma once
#include <boost/thread/recursive_mutex.hpp>
#include "device.hpp"
namespace hw {
@@ -60,6 +61,7 @@ namespace hw {
bool disconnect() override;
bool set_mode(device_mode mode) override;
device_mode get_mode() const override;
device_type get_type() const override {return device_type::SOFTWARE;};
@@ -141,6 +143,10 @@ namespace hw {
bool clsag_sign(const rct::key &c, const rct::key &a, const rct::key &p, const rct::key &z, const rct::key &mu_P, const rct::key &mu_C, rct::key &s) override;
bool close_tx(void) override;
private:
// Locker for concurrent access
mutable boost::recursive_mutex device_locker;
};
}