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-rw-r--r--toolkit/modules/subprocess/subprocess_shared_unix.js123
1 files changed, 123 insertions, 0 deletions
diff --git a/toolkit/modules/subprocess/subprocess_shared_unix.js b/toolkit/modules/subprocess/subprocess_shared_unix.js
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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);
+};