forked from mirrors/gecko-dev
3efc235517
ChromeUtils::GetLibcConstants() is a replacement for nsIOSFileConstantsService providing OS.Consts.LIBC. The constants from OS.Consts.Win have been inlined into subprocess_shared_win.js, since it was already defining several other constants and it was the only consumer. Differential Revision: https://phabricator.services.mozilla.com/D180358
116 lines
2.5 KiB
JavaScript
116 lines
2.5 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";
|
|
|
|
/* 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 = ChromeUtils.getLibcConstants();
|
|
|
|
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);
|
|
};
|