Bug 1834912 - Add iOS-related defines/ifdefs for IPC. r=ipc-reviewers,nika

Differential Revision: https://phabricator.services.mozilla.com/D178999

ipc/chromium/src/base/platform_thread.h

@@ -31,7 +31,7 @@ typedef pid_t PlatformThreadId;
 #  elif defined(OS_BSD)
 #    include <sys/types.h>
 typedef lwpid_t PlatformThreadId;
-#  elif defined(OS_MACOSX)
+#  elif defined(OS_MACOSX) || defined(OS_IOS)
 #    include <mach/mach.h>
 typedef mach_port_t PlatformThreadId;
 #  endif

ipc/chromium/src/build/build_config.h

@@ -21,7 +21,11 @@
 #  define OS_ANDROID 1
 #  define OS_LINUX 1
 #elif defined(__APPLE__)
-#  define OS_MACOSX 1
+#  if defined(XP_IOS)
+#    define OS_IOS 1
+#  else
+#    define OS_MACOSX 1
+#  endif
 #elif defined(__linux__)
 #  define OS_LINUX 1
 #elif defined(__DragonFly__)

ipc/chromium/src/chrome/common/ipc_message.h

@@ -306,7 +306,7 @@ class Message : public mojo::core::ports::UserMessage, public Pickle {
   // IPC::Message.
   void SetAttachedFileHandles(nsTArray<mozilla::UniqueFileHandle> handles);
 
-#if defined(OS_MACOSX)
+#if defined(OS_MACOSX) || defined(OS_IOS)
   void set_fd_cookie(uint32_t cookie) { header()->cookie = cookie; }
   uint32_t fd_cookie() const { return header()->cookie; }
 #endif
@@ -325,7 +325,7 @@ class Message : public mojo::core::ports::UserMessage, public Pickle {
   // IPC. Must only be called when there are no ports on this IPC::Message.
   void SetAttachedPorts(nsTArray<mozilla::ipc::ScopedPort> ports);
 
-#if defined(OS_MACOSX)
+#if defined(OS_MACOSX) || defined(OS_IOS)
   bool WriteMachSendRight(mozilla::UniqueMachSendRight port);
 
   // WARNING: This method is marked as `const` so it can be called when
@@ -339,7 +339,7 @@ class Message : public mojo::core::ports::UserMessage, public Pickle {
   uint32_t num_relayed_attachments() const {
 #if defined(OS_WIN)
     return num_handles();
-#elif defined(OS_MACOSX)
+#elif defined(OS_MACOSX) || defined(OS_IOS)
     return num_send_rights();
 #else
     return 0;
@@ -356,7 +356,7 @@ class Message : public mojo::core::ports::UserMessage, public Pickle {
   friend class SyncMessage;
   friend class mozilla::ipc::MiniTransceiver;
 
-#if !defined(OS_MACOSX) && !defined(FUZZING_SNAPSHOT)
+#if !defined(OS_MACOSX) && !defined(OS_IOS) && !defined(FUZZING_SNAPSHOT)
  protected:
 #endif
 
@@ -365,7 +365,7 @@ class Message : public mojo::core::ports::UserMessage, public Pickle {
     msgid_t type;          // specifies the user-defined message type
     HeaderFlags flags;     // specifies control flags for the message
     uint32_t num_handles;  // the number of handles included with this message
-#if defined(OS_MACOSX)
+#if defined(OS_MACOSX) || defined(OS_IOS)
     uint32_t cookie;  // cookie to ACK that the descriptors have been read.
     uint32_t num_send_rights;  // the number of mach send rights included with
                                // this message
@@ -393,7 +393,7 @@ class Message : public mojo::core::ports::UserMessage, public Pickle {
   // deserializing a message.
   mutable nsTArray<mozilla::ipc::ScopedPort> attached_ports_;
 
-#if defined(OS_MACOSX)
+#if defined(OS_MACOSX) || defined(OS_IOS)
   // The set of mach send rights which are attached to this message.
   //
   // Mutable, as this array can be mutated during `ConsumeMachSendRight` when

ipc/chromium/src/chrome/common/ipc_message_utils.h

@@ -107,7 +107,7 @@ class MOZ_STACK_CLASS MessageWriter final {
     message_.WritePort(std::move(port));
   }
 
-#if defined(OS_MACOSX)
+#if defined(OS_MACOSX) || defined(OS_IOS)
   bool WriteMachSendRight(mozilla::UniqueMachSendRight port) {
     return message_.WriteMachSendRight(std::move(port));
   }
@@ -192,7 +192,7 @@ class MOZ_STACK_CLASS MessageReader final {
     return message_.ConsumePort(&iter_, port);
   }
 
-#if defined(OS_MACOSX)
+#if defined(OS_MACOSX) || defined(OS_IOS)
   [[nodiscard]] bool ConsumeMachSendRight(mozilla::UniqueMachSendRight* port) {
     return message_.ConsumeMachSendRight(&iter_, port);
   }
@@ -965,7 +965,7 @@ struct ParamTraitsIPC<mozilla::UniqueFileHandle> {
   }
 };
 
-#if defined(OS_MACOSX)
+#if defined(OS_MACOSX) || defined(OS_IOS)
 // `UniqueMachSendRight` may be serialized over IPC channels. On the receiving
 // side, the UniqueMachSendRight is the local name of the right which was
 // transmitted.

mfbt/UniquePtrExtensions.h

@@ -19,7 +19,7 @@
 #ifdef XP_WIN
 #  include <cstdint>
 #endif
-#if defined(XP_MACOSX) && !defined(RUST_BINDGEN)
+#if defined(XP_DARWIN) && !defined(RUST_BINDGEN)
 #  include <mach/mach.h>
 #endif
 
@@ -158,7 +158,7 @@ struct FileHandleDeleter {
   MFBT_API void operator()(FileHandleHelper aHelper);
 };
 
-#if defined(XP_MACOSX) && !defined(RUST_BINDGEN)
+#if defined(XP_DARWIN) && !defined(RUST_BINDGEN)
 struct MachPortHelper {
   MOZ_IMPLICIT MachPortHelper(mach_port_t aPort) : mPort(aPort) {}
 
@@ -215,7 +215,7 @@ using UniqueFreePtr = UniquePtr<T, detail::FreePolicy<T>>;
 using UniqueFileHandle =
     UniquePtr<detail::FileHandleType, detail::FileHandleDeleter>;
 
-#if defined(XP_MACOSX) && !defined(RUST_BINDGEN)
+#if defined(XP_DARWIN) && !defined(RUST_BINDGEN)
 // A RAII class for a Mach port that names a send right.
 using UniqueMachSendRight =
     UniquePtr<mach_port_t, detail::MachSendRightDeleter>;