vendoring NetVips

vendor/NetVips/Stats.cs

@@ -0,0 +1,39 @@
+using NetVips.Internal;
+
+namespace NetVips;
+
+/// <summary>
+/// A class that provides the statistics of memory usage and opened files.
+/// </summary>
+/// <remarks>
+/// libvips watches the total amount of live tracked memory and
+/// uses this information to decide when to trim caches.
+/// </remarks>
+public static class Stats
+{
+    /// <summary>
+    /// Get the number of active allocations.
+    /// </summary>
+    public static int Allocations => Vips.TrackedGetAllocs();
+
+    /// <summary>
+    /// Get the number of bytes currently allocated `vips_malloc()` and friends.
+    /// </summary>
+    /// <remarks>
+    /// libvips uses this figure to decide when to start dropping cache.
+    /// </remarks>
+    public static int Mem => Vips.TrackedGetMem();
+
+    /// <summary>
+    /// Returns the largest number of bytes simultaneously allocated via vips_tracked_malloc().
+    /// </summary>
+    /// <remarks>
+    /// Handy for estimating max memory requirements for a program.
+    /// </remarks>
+    public static ulong MemHighwater => Vips.TrackedGetMemHighwater();
+
+    /// <summary>
+    /// Get the number of open files.
+    /// </summary>
+    public static int Files => Vips.TrackedGetFiles();
+}