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/* 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;
};