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
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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 ***** */
39 #include "MacLaunchHelper.h"
41 #include "nsObjCExceptions.h"
43 #include <Cocoa/Cocoa.h>
46 #include <sys/types.h>
47 #include <sys/sysctl.h>
48 #include <mach/machine.h>
51 void LaunchChildMac(int aArgc, char** aArgv)
53 NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
56 NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
57 NSTask* child = [[[NSTask alloc] init] autorelease];
58 NSMutableArray* args = [[[NSMutableArray alloc] init] autorelease];
61 // It's possible that the app is a universal binary running under Rosetta
62 // translation because the user forced it to. Relaunching via NSTask would
63 // launch the app natively, which the user apparently doesn't want.
64 // In that case, try to preserve translation.
66 // If the sysctl doesn't exist, it's because Rosetta doesn't exist,
67 // so don't try to force translation. In case of other errors, just assume
68 // that the app is native.
71 size_t sz = sizeof(isNative);
73 if (sysctlbyname("sysctl.proc_native", &isNative, &sz, NULL, 0) == 0 &&
75 // Running translated on ppc.
77 cpu_type_t preferredCPU = CPU_TYPE_POWERPC;
78 sysctlbyname("sysctl.proc_exec_affinity", NULL, NULL,
79 &preferredCPU, sizeof(preferredCPU));
81 // Nothing can be done to handle failure, relaunch anyway.
85 for (i = 1; i < aArgc; ++i)
86 [args addObject: [NSString stringWithCString: aArgv[i]]];
88 [child setCurrentDirectoryPath:[[[NSBundle mainBundle] executablePath] stringByDeletingLastPathComponent]];
89 [child setLaunchPath:[[NSBundle mainBundle] executablePath]];
90 [child setArguments:args];
94 NS_OBJC_END_TRY_ABORT_BLOCK;