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/* -*- 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);
};
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