41e3cce553
The current set up assumes that all files in the subprocess directory are chrome workers. This causes various globals to be assumed to be present when they are not. Also stop using import-globals-from in preparation for migration to ES module. Differential Revision: https://phabricator.services.mozilla.com/D160487
124 lines
2.7 KiB
JavaScript
124 lines
2.7 KiB
JavaScript
/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
|
|
/* vim: set sts=2 sw=2 et tw=80: */
|
|
/* 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/. */
|
|
"use strict";
|
|
|
|
if (typeof Components !== "undefined") {
|
|
/* global OS */
|
|
Cc["@mozilla.org/net/osfileconstantsservice;1"]
|
|
.getService(Ci.nsIOSFileConstantsService)
|
|
.init();
|
|
}
|
|
|
|
/* exported LIBC, libc */
|
|
|
|
// ctypes is either already available in the chrome worker scope, or defined
|
|
// in scope via loadSubScript.
|
|
/* global ctypes */
|
|
|
|
// This file is loaded into the same scope as subprocess_shared.js.
|
|
/* import-globals-from subprocess_shared.js */
|
|
|
|
var LIBC = OS.Constants.libc;
|
|
|
|
const LIBC_CHOICES = ["libc.so", "libSystem.B.dylib", "a.out"];
|
|
|
|
const unix = {
|
|
pid_t: ctypes.int32_t,
|
|
|
|
pollfd: new ctypes.StructType("pollfd", [
|
|
{ fd: ctypes.int },
|
|
{ events: ctypes.short },
|
|
{ revents: ctypes.short },
|
|
]),
|
|
|
|
WEXITSTATUS(status) {
|
|
return (status >> 8) & 0xff;
|
|
},
|
|
|
|
WTERMSIG(status) {
|
|
return status & 0x7f;
|
|
},
|
|
};
|
|
|
|
var libc = new Library("libc", LIBC_CHOICES, {
|
|
environ: [ctypes.char.ptr.ptr],
|
|
|
|
// Darwin-only.
|
|
_NSGetEnviron: [ctypes.default_abi, ctypes.char.ptr.ptr.ptr],
|
|
|
|
setenv: [
|
|
ctypes.default_abi,
|
|
ctypes.int,
|
|
ctypes.char.ptr,
|
|
ctypes.char.ptr,
|
|
ctypes.int,
|
|
],
|
|
|
|
chdir: [ctypes.default_abi, ctypes.int, ctypes.char.ptr /* path */],
|
|
|
|
close: [ctypes.default_abi, ctypes.int, ctypes.int /* fildes */],
|
|
|
|
fcntl: [
|
|
ctypes.default_abi,
|
|
ctypes.int,
|
|
ctypes.int /* fildes */,
|
|
ctypes.int /* cmd */,
|
|
ctypes.int /* ... */,
|
|
],
|
|
|
|
getcwd: [
|
|
ctypes.default_abi,
|
|
ctypes.char.ptr,
|
|
ctypes.char.ptr /* buf */,
|
|
ctypes.size_t /* size */,
|
|
],
|
|
|
|
kill: [
|
|
ctypes.default_abi,
|
|
ctypes.int,
|
|
unix.pid_t /* pid */,
|
|
ctypes.int /* signal */,
|
|
],
|
|
|
|
pipe: [ctypes.default_abi, ctypes.int, ctypes.int.array(2) /* pipefd */],
|
|
|
|
poll: [
|
|
ctypes.default_abi,
|
|
ctypes.int,
|
|
unix.pollfd.array() /* fds */,
|
|
ctypes.unsigned_int /* nfds */,
|
|
ctypes.int /* timeout */,
|
|
],
|
|
|
|
read: [
|
|
ctypes.default_abi,
|
|
ctypes.ssize_t,
|
|
ctypes.int /* fildes */,
|
|
ctypes.char.ptr /* buf */,
|
|
ctypes.size_t /* nbyte */,
|
|
],
|
|
|
|
waitpid: [
|
|
ctypes.default_abi,
|
|
unix.pid_t,
|
|
unix.pid_t /* pid */,
|
|
ctypes.int.ptr /* status */,
|
|
ctypes.int /* options */,
|
|
],
|
|
|
|
write: [
|
|
ctypes.default_abi,
|
|
ctypes.ssize_t,
|
|
ctypes.int /* fildes */,
|
|
ctypes.char.ptr /* buf */,
|
|
ctypes.size_t /* nbyte */,
|
|
],
|
|
});
|
|
|
|
unix.Fd = function(fd) {
|
|
return ctypes.CDataFinalizer(ctypes.int(fd), libc.close);
|
|
};
|