Auto merge of #22388 - Eijebong:log, r=jdm

Dedupe log

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components/constellation/Cargo.toml

@@ -45,5 +45,5 @@ servo_url = {path = "../url"}
 webvr_traits = {path = "../webvr_traits"}
 webrender_api = {git = "https://github.com/servo/webrender", features = ["ipc"]}
 
-[target.'cfg(all(not(target_os = "windows"), not(target_os = "ios")))'.dependencies]
+[target.'cfg(all(not(target_os = "windows"), not(target_os = "ios"), not(target_os="android"), not(target_arch="arm"), not(target_arch="aarch64")))'.dependencies]
 gaol = {git = "https://github.com/servo/gaol"}

components/constellation/lib.rs

@@ -17,7 +17,13 @@ mod constellation;
 mod event_loop;
 mod network_listener;
 mod pipeline;
-#[cfg(all(not(target_os = "windows"), not(target_os = "ios")))]
+#[cfg(all(
+    not(target_os = "windows"),
+    not(target_os = "ios"),
+    not(target_os = "android"),
+    not(target_arch = "arm"),
+    not(target_arch = "aarch64")
+))]
 mod sandboxing;
 mod session_history;
 mod timer_scheduler;
@@ -26,5 +32,11 @@ pub use crate::constellation::{
     Constellation, FromCompositorLogger, FromScriptLogger, InitialConstellationState,
 };
 pub use crate::pipeline::UnprivilegedPipelineContent;
-#[cfg(all(not(target_os = "windows"), not(target_os = "ios")))]
+#[cfg(all(
+    not(target_os = "windows"),
+    not(target_os = "ios"),
+    not(target_os = "android"),
+    not(target_arch = "arm"),
+    not(target_arch = "aarch64")
+))]
 pub use crate::sandboxing::content_process_sandbox_profile;

components/constellation/pipeline.rs

@@ -571,7 +571,39 @@ impl UnprivilegedPipelineContent {
         }
     }
 
-    #[cfg(all(not(target_os = "windows"), not(target_os = "ios")))]
+    #[cfg(any(
+        target_os = "android",
+        target_arch = "arm",
+        target_arch = "aarch64"
+    ))]
+    pub fn spawn_multiprocess(self) -> Result<(), Error> {
+        use ipc_channel::ipc::IpcOneShotServer;
+        // Note that this function can panic, due to process creation,
+        // avoiding this panic would require a mechanism for dealing
+        // with low-resource scenarios.
+        let (server, token) = IpcOneShotServer::<IpcSender<UnprivilegedPipelineContent>>::new()
+            .expect("Failed to create IPC one-shot server.");
+
+        let path_to_self = env::current_exe().expect("Failed to get current executor.");
+        let mut child_process = process::Command::new(path_to_self);
+        self.setup_common(&mut child_process, token);
+        let _ = child_process
+            .spawn()
+            .expect("Failed to start unsandboxed child process!");
+
+        let (_receiver, sender) = server.accept().expect("Server failed to accept.");
+        sender.send(self)?;
+
+        Ok(())
+    }
+
+    #[cfg(all(
+        not(target_os = "windows"),
+        not(target_os = "ios"),
+        not(target_os = "android"),
+        not(target_arch = "arm"),
+        not(target_arch = "aarch64")
+    ))]
     pub fn spawn_multiprocess(self) -> Result<(), Error> {
         use crate::sandboxing::content_process_sandbox_profile;
         use gaol::sandbox::{self, Sandbox, SandboxMethods};

components/servo/Cargo.toml

@@ -71,5 +71,5 @@ webdriver_server = {path = "../webdriver_server", optional = true}
 webvr = {path = "../webvr"}
 webvr_traits = {path = "../webvr_traits"}
 
-[target.'cfg(all(not(target_os = "windows"), not(target_os = "ios")))'.dependencies]
+[target.'cfg(all(not(target_os = "windows"), not(target_os = "ios"), not(target_os="android"), not(target_arch="arm"), not(target_arch="aarch64")))'.dependencies]
 gaol = {git = "https://github.com/servo/gaol"}

components/servo/lib.rs

@@ -68,14 +68,26 @@ use canvas::webgl_thread::WebGLThreads;
 use compositing::compositor_thread::{CompositorProxy, CompositorReceiver, InitialCompositorState};
 use compositing::windowing::{WindowEvent, WindowMethods};
 use compositing::{IOCompositor, RenderNotifier, ShutdownState};
-#[cfg(all(not(target_os = "windows"), not(target_os = "ios")))]
+#[cfg(all(
+    not(target_os = "windows"),
+    not(target_os = "ios"),
+    not(target_os = "android"),
+    not(target_arch = "arm"),
+    not(target_arch = "aarch64")
+))]
 use constellation::content_process_sandbox_profile;
 use constellation::{Constellation, InitialConstellationState, UnprivilegedPipelineContent};
 use constellation::{FromCompositorLogger, FromScriptLogger};
 use crossbeam_channel::{unbounded, Sender};
 use embedder_traits::{EmbedderMsg, EmbedderProxy, EmbedderReceiver, EventLoopWaker};
 use env_logger::Builder as EnvLoggerBuilder;
-#[cfg(all(not(target_os = "windows"), not(target_os = "ios")))]
+#[cfg(all(
+    not(target_os = "windows"),
+    not(target_os = "ios"),
+    not(target_os = "android"),
+    not(target_arch = "arm"),
+    not(target_arch = "aarch64")
+))]
 use gaol::sandbox::{ChildSandbox, ChildSandboxMethods};
 use gfx::font_cache_thread::FontCacheThread;
 use ipc_channel::ipc::{self, IpcSender};
@@ -661,14 +673,26 @@ pub fn run_content_process(token: String) {
                                      );
 }
 
-#[cfg(all(not(target_os = "windows"), not(target_os = "ios")))]
+#[cfg(all(
+    not(target_os = "windows"),
+    not(target_os = "ios"),
+    not(target_os = "android"),
+    not(target_arch = "arm"),
+    not(target_arch = "aarch64")
+))]
 fn create_sandbox() {
     ChildSandbox::new(content_process_sandbox_profile())
         .activate()
         .expect("Failed to activate sandbox!");
 }
 
-#[cfg(any(target_os = "windows", target_os = "ios"))]
+#[cfg(any(
+    target_os = "windows",
+    target_os = "ios",
+    target_os = "android",
+    target_arch = "arm",
+    target_arch = "aarch64"
+))]
 fn create_sandbox() {
-    panic!("Sandboxing is not supported on Windows or iOS.");
+    panic!("Sandboxing is not supported on Windows, iOS, ARM targets and android.");
 }