Merge branch 'fix-PipeSleepStrategy-destructor' into 'master'

[PipeSleepStrategy] use C++ smart ptrs instead of manual memory management

See merge request i4/manycore/emper!220

emper/io/IoContext.cpp

@@ -12,6 +12,7 @@
 #include <cassert>	// for assert
 #include <cerrno>		// for errno, ECANCELED, EBUSY, EAGAIN, EINTR
 #include <cstring>	// for memset
+#include <memory>
 #include <ostream>	// for basic_osteram::operator<<, operator<<
 #include <string>
 #include <utility>

emper/sleep_strategy/PipeSleepStrategy.hpp

@@ -9,6 +9,7 @@
 #include <cstddef>
 #include <cstdint>
 #include <iostream>
+#include <memory>
 #include <stdexcept>
 #include <type_traits>
 #include <vector>
@@ -131,7 +132,7 @@ class PipeSleepStrategy : AbstractWorkerSleepStrategy<PipeSleepStrategy>,
 		std::atomic<size_t> wakeupDueToNotify = 0;
 	};
 
-	Stats* stats;
+	std::unique_ptr<Stats> stats;
 
 	workerid_t workerCount;
 	int sleepFd;
@@ -253,12 +254,10 @@ class PipeSleepStrategy : AbstractWorkerSleepStrategy<PipeSleepStrategy>,
 		notifyFd = fds[1];
 
 		if constexpr (emper::STATS) {
-			stats = new Stats();
+			stats = std::make_unique<Stats>();
 		}
 	}
 
-	~PipeSleepStrategy() { delete stats; }
-
 	void printStats() { std::cout << *stats; }
 
 	[[nodiscard]] inline auto getSleeping() const -> long { return sleepers.load(); }