Init

src/msg_queue/queue.zig

@@ -0,0 +1,35 @@
+const std = @import("std");
+
+const mpsc = @import("../mpsc.zig");
+
+pub fn Queue(comptime T: type) type {
+    return struct {
+        const Self = @This();
+
+        ring_buffer: mpsc.RingBuffer(T),
+
+        pub fn init(buffer: []mpsc.Slot(T)) Self {
+            return .{
+                .ring_buffer = mpsc.RingBuffer(T).init(buffer),
+            };
+        }
+
+        pub fn blockingEnqueue(self: *Self, value: T) void {
+            while (true) {
+                self.ring_buffer.enqueue(value) catch |err| switch (err) {
+                    error.Overflow => {
+                        std.atomic.spinLoopHint();
+                        continue;
+                    },
+                };
+                return;
+            }
+        }
+
+        pub fn dequeue(self: *Self) ?T {
+            return self.ring_buffer.dequeue() catch |err| switch (err) {
+                error.Underflow => return null,
+            };
+        }
+    };
+}