1 files changed, 48 insertions, 0 deletions
diff --git a/toolkit/components/processtools/nsIProcessToolsService.idl b/toolkit/components/processtools/nsIProcessToolsService.idl
new file mode 100644
index 0000000000..4298cdddf8
--- /dev/null
+++ b/toolkit/components/processtools/nsIProcessToolsService.idl
@@ -0,0 +1,48 @@
+/* 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 "nsISupports.idl"
+
+[scriptable, uuid(1341f571-ebed-4305-b264-4d8fc3b6b11c)]
+interface nsIProcessToolsService: nsISupports {
+    /**
+     * Kill a process running on this system.
+     *
+     * Does not cause a crash report to be generated and sent.
+     *
+     * # Note
+     *
+     * `pid` is the unique-to-the-system process identifier, as
+     * obtained with attribute `pid` of this service.
+     *
+     * Under Un*ix, that's what you obtain with `getpid()`, etc.
+     * Under Windows, that's what you obtain with `GetCurrentProcessId()`,
+     * NOT the same thing as the process `HANDLE`.
+     *
+     * # Failure
+     *
+     * Under Windows, if two processes race to `kill()` a third process,
+     * or two threads race to `kill()` a process there is a (small) window
+     * during which this can cause a crash in the losing process.
+     *
+     * # Caveats
+     *
+     * Under Windows, process killing is asynchronous. Therefore, this
+     * function can return before process `pid` is actually dead.
+     */
+    void kill(in unsigned long long pid);
+
+    /**
+     * Crash a process running on this system. Generates a SIGABRT on Linux and
+     * macOS, and a STATUS_ILLEGAL_INSTRUCTION on Windows.
+     *
+     * Does cause a crash report to be generated.
+     */
+    void crash(in unsigned long long pid);
+
+    /**
+     * The pid for the current process.
+     */
+    readonly attribute unsigned long long pid;
+};