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
new file mode 100644
index 0000000000..ad07dd7854
--- /dev/null
+++ b/toolkit/modules/subprocess/subprocess_shared_unix.js
@@ -0,0 +1,123 @@
+/* -*- 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);
+};