From a7693d66ca5596ba77e6bc5869fa9385fd4aa589 Mon Sep 17 00:00:00 2001
From: Jonathan Bradley <jcb@pikum.xyz>
Date: Sat, 23 Dec 2023 12:26:05 -0500
Subject: add placeholder mutex to allocator

---
 src/memory.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/memory.cpp b/src/memory.cpp
index daaba8d..ce2fe00 100644
--- a/src/memory.cpp
+++ b/src/memory.cpp
@@ -1,6 +1,8 @@
 
 #include "memory.hpp"
 
+#include <mutex>
+
 const std::size_t MINIMUM_ALIGNMENT = 1;
 const std::size_t MAXIMUM_ALIGNMENT = 64;
 
@@ -18,6 +20,7 @@ struct MemBucket {
 	int64_t maxBlockCount;
 	char *blocks;
 	char *ptr;
+	std::mutex mtx;
 	bool transient;
 };
 
@@ -76,6 +79,7 @@ void *Pke_New(std::size_t sz, std::size_t alignment, MemBucket *bkt) {
 	long index = -1;
 	MemBlock *block = nullptr;
 	void *data = nullptr;
+	bkt->mtx.lock();
 	for (int64_t i = 0; i <= bkt->lastEmptyBlockIndex; ++i) {
 		auto &blk = blocks[i];
 		misalignment = reinterpret_cast<std::size_t>(blk.data) % calculatedAlignment;
@@ -152,6 +156,7 @@ void *Pke_New(std::size_t sz, std::size_t alignment, MemBucket *bkt) {
 	bkt->allocs++;
 	assert(data >= bkt->ptr && "allocated data is before bucket data");
 	assert(data <= bkt->ptr + bkt->size && "allocated data is after bucket data");
+	bkt->mtx.unlock();
 	return data;
 }
 
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