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119 lines
4.0 KiB
Plaintext
119 lines
4.0 KiB
Plaintext
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Communicator client code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Ben Goodger <ben@mozilla.org>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "prtypes.h"
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#include "MacLaunchHelper.h"
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#include "nsMemory.h"
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#include "nsAutoPtr.h"
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#include "nsIAppStartup.h"
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#include <stdio.h>
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#include <spawn.h>
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#include <crt_externs.h>
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namespace {
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cpu_type_t pref_cpu_types[2] = {
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#if defined(__i386__)
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CPU_TYPE_X86,
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#elif defined(__x86_64__)
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CPU_TYPE_X86_64,
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#elif defined(__ppc__)
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CPU_TYPE_POWERPC,
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#endif
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CPU_TYPE_ANY };
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cpu_type_t cpu_i386_types[2] = {
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CPU_TYPE_X86,
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CPU_TYPE_ANY };
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cpu_type_t cpu_x64_86_types[2] = {
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CPU_TYPE_X86_64,
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CPU_TYPE_ANY };
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}
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void LaunchChildMac(int aArgc, char** aArgv, PRUint32 aRestartType)
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{
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// "posix_spawnp" uses null termination for arguments rather than a count.
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// Note that we are not duplicating the argument strings themselves.
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nsAutoArrayPtr<char*> argv_copy(new char*[aArgc + 1]);
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for (int i = 0; i < aArgc; i++) {
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argv_copy[i] = aArgv[i];
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}
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argv_copy[aArgc] = NULL;
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// Initialize spawn attributes.
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posix_spawnattr_t spawnattr;
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if (posix_spawnattr_init(&spawnattr) != 0) {
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printf("Failed to init posix spawn attribute.");
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return;
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}
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cpu_type_t *wanted_type = pref_cpu_types;
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if (aRestartType & nsIAppStartup::eRestarti386)
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wanted_type = cpu_i386_types;
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else if (aRestartType & nsIAppStartup::eRestartx86_64)
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wanted_type = cpu_x64_86_types;
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// Set spawn attributes.
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size_t attr_count = NS_ARRAY_LENGTH(wanted_type);
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size_t attr_ocount = 0;
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if (posix_spawnattr_setbinpref_np(&spawnattr, attr_count, wanted_type, &attr_ocount) != 0 ||
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attr_ocount != attr_count) {
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printf("Failed to set binary preference on posix spawn attribute.");
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posix_spawnattr_destroy(&spawnattr);
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return;
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}
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// Pass along our environment.
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char** envp = NULL;
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char*** cocoaEnvironment = _NSGetEnviron();
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if (cocoaEnvironment) {
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envp = *cocoaEnvironment;
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}
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int result = posix_spawnp(NULL, argv_copy[0], NULL, &spawnattr, argv_copy, envp);
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posix_spawnattr_destroy(&spawnattr);
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if (result != 0) {
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printf("Process spawn failed with code %d!", result);
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}
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}
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