1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* ***** BEGIN LICENSE BLOCK *****
3 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
5 * The contents of this file are subject to the Mozilla Public License Version
6 * 1.1 (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 * http://www.mozilla.org/MPL/
10 * Software distributed under the License is distributed on an "AS IS" basis,
11 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 * for the specific language governing rights and limitations under the
15 * The Original Code is Mozilla Communicator client code.
17 * The Initial Developer of the Original Code is
18 * Netscape Communications Corporation.
19 * Portions created by the Initial Developer are Copyright (C) 1998
20 * the Initial Developer. All Rights Reserved.
23 * Ben Goodger <ben@mozilla.org>
25 * Alternatively, the contents of this file may be used under the terms of
26 * either the GNU General Public License Version 2 or later (the "GPL"), or
27 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
28 * in which case the provisions of the GPL or the LGPL are applicable instead
29 * of those above. If you wish to allow use of your version of this file only
30 * under the terms of either the GPL or the LGPL, and not to allow others to
31 * use your version of this file under the terms of the MPL, indicate your
32 * decision by deleting the provisions above and replace them with the notice
33 * and other provisions required by the GPL or the LGPL. If you do not delete
34 * the provisions above, a recipient may use your version of this file under
35 * the terms of any one of the MPL, the GPL or the LGPL.
37 * ***** END LICENSE BLOCK ***** */
40 #include "MacLaunchHelper.h"
43 #include "nsAutoPtr.h"
44 #include "nsIAppStartup.h"
48 #include <crt_externs.h>
51 cpu_type_t pref_cpu_types[2] = {
54 #elif defined(__x86_64__)
56 #elif defined(__ppc__)
61 cpu_type_t cpu_i386_types[2] = {
65 cpu_type_t cpu_x64_86_types[2] = {
70 void LaunchChildMac(int aArgc, char** aArgv, PRUint32 aRestartType)
72 // "posix_spawnp" uses null termination for arguments rather than a count.
73 // Note that we are not duplicating the argument strings themselves.
74 nsAutoArrayPtr<char*> argv_copy(new char*[aArgc + 1]);
75 for (int i = 0; i < aArgc; i++) {
76 argv_copy[i] = aArgv[i];
78 argv_copy[aArgc] = NULL;
80 // Initialize spawn attributes.
81 posix_spawnattr_t spawnattr;
82 if (posix_spawnattr_init(&spawnattr) != 0) {
83 printf("Failed to init posix spawn attribute.");
87 cpu_type_t *wanted_type = pref_cpu_types;
89 if (aRestartType & nsIAppStartup::eRestarti386)
90 wanted_type = cpu_i386_types;
91 else if (aRestartType & nsIAppStartup::eRestartx86_64)
92 wanted_type = cpu_x64_86_types;
94 // Set spawn attributes.
95 size_t attr_count = NS_ARRAY_LENGTH(wanted_type);
96 size_t attr_ocount = 0;
97 if (posix_spawnattr_setbinpref_np(&spawnattr, attr_count, wanted_type, &attr_ocount) != 0 ||
98 attr_ocount != attr_count) {
99 printf("Failed to set binary preference on posix spawn attribute.");
100 posix_spawnattr_destroy(&spawnattr);
104 // Pass along our environment.
106 char*** cocoaEnvironment = _NSGetEnviron();
107 if (cocoaEnvironment) {
108 envp = *cocoaEnvironment;
111 int result = posix_spawnp(NULL, argv_copy[0], NULL, &spawnattr, argv_copy, envp);
113 posix_spawnattr_destroy(&spawnattr);
116 printf("Process spawn failed with code %d!", result);