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constellation: add multiprocess support on Windows (#37580)

Browse source 
Thanks to ipc-channel 0.20. It's now possible to enable multiprocess
mode on Windows.

Testing: On Windows, run `./mach build -r && ./mach run -r -- -M` We
don't have any CI workflows run on multiprocess IIRC.

Signed-off-by: Wu Yu Wei <yuweiwu@pm.me>
This commit is contained in:
Ngo Iok Ui (Wu Yu Wei) 2025-06-21 11:32:18 +09:00 • committed by GitHub
parent ed317ba3e4
commit 0832ec5d96
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1 changed files with 5 additions and 7 deletions
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12
components/constellation/sandboxing.rs
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@ -2,10 +2,8 @@
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
#[cfg(not(windows))]
use std::env;
use std::ffi::OsStr;
use std::process;
use std::{env, process};
#[cfg(any(
target_os = "macos",
@ -142,10 +140,11 @@ pub fn content_process_sandbox_profile() {
}
#[cfg(any(
target_os = "windows",
target_os = "android",
target_env = "ohos",
target_arch = "arm",
all(target_arch = "aarch64", not(target_os = "windows"))
target_arch = "aarch64"
))]
pub fn spawn_multiprocess(content: UnprivilegedContent) -> Result<Process, Error> {
use ipc_channel::ipc::{IpcOneShotServer, IpcSender};
@ -238,13 +237,12 @@ pub fn spawn_multiprocess(content: UnprivilegedContent) -> Result<Process, Error
Ok(process)
}
#[cfg(any(target_os = "windows", target_os = "ios"))]
#[cfg(target_os = "ios")]
pub fn spawn_multiprocess(_content: UnprivilegedContent) -> Result<Process, Error> {
log::error!("Multiprocess is not supported on Windows or iOS.");
log::error!("Multiprocess is not supported on iOS.");
process::exit(1);
}
#[cfg(not(windows))]
fn setup_common<C: CommandMethods>(command: &mut C, token: String) {
C::arg(command, "--content-process");
C::arg(command, token);