1 files changed, 38 insertions, 0 deletions
diff --git a/dom/asmjscache/PAsmJSCacheEntry.ipdl b/dom/asmjscache/PAsmJSCacheEntry.ipdl
new file mode 100644
index 000000000..4980650cc
--- /dev/null
+++ b/dom/asmjscache/PAsmJSCacheEntry.ipdl
@@ -0,0 +1,38 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+include protocol PBackground;
+
+using mozilla::dom::asmjscache::Metadata from "mozilla/dom/asmjscache/AsmJSCache.h";
+using JS::AsmJSCacheResult from "mozilla/dom/asmjscache/AsmJSCache.h";
+
+namespace mozilla {
+namespace dom {
+namespace asmjscache {
+
+protocol PAsmJSCacheEntry
+{
+  manager PBackground;
+
+  // When the cache is opened to read, the parent process sends over the
+  // origin's Metadata so the child process can select the cache entry to open
+  // (based on hash) and notify the parent (via SelectCacheFileToRead).
+child:
+  async OnOpenMetadataForRead(Metadata metadata);
+parent:
+  async SelectCacheFileToRead(uint32_t moduleIndex);
+  async CacheMiss();
+
+child:
+  // Once the cache file has been opened, the child is notified and sent an
+  // open file descriptor.
+  async OnOpenCacheFile(int64_t fileSize, FileDescriptor fileDesc);
+
+both:
+  async __delete__(AsmJSCacheResult result);
+};
+
+} // namespace asmjscache
+} // namespace dom
+} // namespace mozilla