Implementing lock free MPMC queue

platform.h

@@ -1,5 +1,6 @@
 #pragma once
 
+#include <immintrin.h>
 #include <stdatomic.h>
 #include <stdint.h>
 #include <stdio.h>
@@ -100,19 +101,18 @@ static double timer_stop(HiResTimer *t) {
 // ============================================================
 
 typedef struct {
-  FileEntry **items;
+  atomic_size_t seq;
+  FileEntry *data;
+} MPMCSlot;
 
+typedef struct {
   size_t capacity;
-  size_t head;
-  size_t tail;
-  size_t count;
+  size_t mask;
 
-  int producers_active;
-
-  CRITICAL_SECTION cs;
-  CONDITION_VARIABLE not_empty;
-  CONDITION_VARIABLE not_full;
+  MPMCSlot *slots;
 
+  atomic_size_t head;
+  atomic_size_t tail;
 } MPMCQueue;
 
 static MPMCQueue g_file_queue;