Exit the process from the signal handler.

Cargo.lock

@@ -3640,6 +3640,7 @@ dependencies = [
  "glutin 0.19.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "keyboard-types 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "libservo 0.0.1",
  "log 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "osmesa-src 0.1.0 (git+https://github.com/servo/osmesa-src)",

ports/servo/Cargo.toml

@@ -49,6 +49,7 @@ glutin = "0.19"
 keyboard-types = "0.4.3"
 lazy_static = "1"
 libservo = {path = "../../components/servo"}
+libc = "0.2"
 log = "0.4"
 tinyfiledialogs = "3.0"
 winit = {version = "0.18", features = ["icon_loading"]}

ports/servo/non_android_main.rs

@@ -13,6 +13,7 @@ mod resources;
 mod browser;
 
 use backtrace::Backtrace;
+use libc::_exit;
 use servo::{Servo, BrowserId};
 use servo::compositing::windowing::WindowEvent;
 use servo::config::opts::{self, ArgumentParsingResult, parse_url_or_filename};
@@ -42,7 +43,6 @@ fn install_crash_handler() {}
 fn install_crash_handler() {
     use backtrace::Backtrace;
     use sig::ffi::Sig;
-    use std::intrinsics::abort;
     use std::thread;
 
     fn handler(_sig: i32) {
@@ -52,9 +52,7 @@ fn install_crash_handler() {
             .unwrap_or("".to_owned());
         println!("Stack trace{}\n{:?}", name, Backtrace::new());
         unsafe {
-            // N.B. Using process::abort() here causes the crash handler to be
-            //      triggered recursively.
-            abort();
+            _exit(sig);
         }
     }
 

tests/wpt/mozilla/meta/mozilla/sigsegv.html.ini

@@ -1,4 +1,4 @@
 [sigsegv.html]
   type: testharness
   prefs: [dom.testbinding.enabled:true, dom.testable_crash.enabled:true]
-  disabled: https://github.com/servo/servo/issues/14067
+  expected: CRASH