diff --git a/core-foundation-sys/src/binary_heap.rs b/core-foundation-sys/src/binary_heap.rs
new file mode 100644
index 0000000..479ff29
--- /dev/null
+++ b/core-foundation-sys/src/binary_heap.rs
@@ -0,0 +1,63 @@
+// Copyright 2023 The Servo Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+use std::os::raw::c_void;
+
+use base::{CFTypeID, CFAllocatorRef, Boolean, CFIndex, CFComparisonResult};
+use string::CFStringRef;
+
+#[repr(C)]
+pub struct __CFBinaryHeap(c_void);
+
+pub type CFBinaryHeapRef = *mut __CFBinaryHeap;
+
+#[repr(C)]
+#[derive(Debug, Clone, Copy)]
+pub struct CFBinaryHeapCompareContext {
+    pub version: CFIndex,
+    pub info: *mut c_void,
+    pub retain: extern "C" fn (info: *const c_void) -> *const c_void,
+    pub release: extern "C" fn (info: *const c_void),
+    pub copyDescription: extern "C" fn (info: *const c_void) -> CFStringRef,
+}
+
+#[repr(C)]
+#[derive(Debug, Clone, Copy)]
+pub struct CFBinaryHeapCallBacks {
+    pub version: CFIndex,
+    pub retain: extern "C" fn (allocator: CFAllocatorRef, ptr: *const c_void) -> *const c_void,
+    pub release: extern "C" fn (allocator: CFAllocatorRef, ptr: *const c_void),
+    pub copyDescription: extern "C" fn (ptr: *const c_void) -> CFStringRef,
+    pub compare: extern "C" fn (ptr1: *const c_void, ptr2: *const c_void, context: *mut c_void) -> CFComparisonResult
+}
+
+pub type CFBinaryHeapApplierFunction = extern "C" fn (val: *const c_void, context: *const c_void);
+
+extern {
+    /*
+     * CFBinaryHeap.h
+     */
+    /* Predefined Callback Structures */
+    pub static kCFStringBinaryHeapCallBacks: CFBinaryHeapCallBacks;
+
+    /* CFBinaryHeap Miscellaneous Functions */
+    pub fn CFBinaryHeapAddValue(heap: CFBinaryHeapRef, value: *const c_void);
+    pub fn CFBinaryHeapApplyFunction(heap: CFBinaryHeapRef, applier: CFBinaryHeapApplierFunction, context: *mut c_void);
+    pub fn CFBinaryHeapContainsValue(heap: CFBinaryHeapRef, value: *const c_void) -> Boolean;
+    pub fn CFBinaryHeapCreate(allocator: CFAllocatorRef, capacity: CFIndex, callBacks: *const CFBinaryHeapCallBacks, compareContext: *const CFBinaryHeapCompareContext) -> CFBinaryHeapRef;
+    pub fn CFBinaryHeapCreateCopy(allocator: CFAllocatorRef, capacity: CFIndex, heap: CFBinaryHeapRef) -> CFBinaryHeapRef;
+    pub fn CFBinaryHeapGetCount(heap: CFBinaryHeapRef) -> CFIndex;
+    pub fn CFBinaryHeapGetCountOfValue(heap: CFBinaryHeapRef, value: *const c_void) -> CFIndex;
+    pub fn CFBinaryHeapGetMinimum(heap: CFBinaryHeapRef) -> *const c_void;
+    pub fn CFBinaryHeapGetMinimumIfPresent(heap: CFBinaryHeapRef, value: *const *const c_void) -> Boolean;
+    pub fn CFBinaryHeapGetTypeID() -> CFTypeID;
+    pub fn CFBinaryHeapGetValues(heap: CFBinaryHeapRef, values: *const *const c_void);
+    pub fn CFBinaryHeapRemoveAllValues(heap: CFBinaryHeapRef);
+    pub fn CFBinaryHeapRemoveMinimumValue(heap: CFBinaryHeapRef);
+}
diff --git a/core-foundation-sys/src/lib.rs b/core-foundation-sys/src/lib.rs
index c15b3a0..9c1f42b 100644
--- a/core-foundation-sys/src/lib.rs
+++ b/core-foundation-sys/src/lib.rs
@@ -23,6 +23,7 @@ extern "C" {}
 pub mod array;
 pub mod attributed_string;
 pub mod base;
+pub mod binary_heap;
 pub mod bundle;
 pub mod calendar;
 pub mod characterset;