toolkit/xre/MacLaunchHelper.mm@6474c204b198 (annotated)
toolkit/xre/MacLaunchHelper.mm
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | #include "MacLaunchHelper.h" |
| michael@0 | 7 | |
| michael@0 | 8 | #include "nsMemory.h" |
| michael@0 | 9 | #include "nsAutoPtr.h" |
| michael@0 | 10 | #include "nsIAppStartup.h" |
| michael@0 | 11 | |
| michael@0 | 12 | #include <stdio.h> |
| michael@0 | 13 | #include <spawn.h> |
| michael@0 | 14 | #include <crt_externs.h> |
| michael@0 | 15 | |
| michael@0 | 16 | using namespace mozilla; |
| michael@0 | 17 | |
| michael@0 | 18 | namespace { |
| michael@0 | 19 | cpu_type_t pref_cpu_types[2] = { |
| michael@0 | 20 | #if defined(__i386__) |
| michael@0 | 21 | CPU_TYPE_X86, |
| michael@0 | 22 | #elif defined(__x86_64__) |
| michael@0 | 23 | CPU_TYPE_X86_64, |
| michael@0 | 24 | #elif defined(__ppc__) |
| michael@0 | 25 | CPU_TYPE_POWERPC, |
| michael@0 | 26 | #endif |
| michael@0 | 27 | CPU_TYPE_ANY }; |
| michael@0 | 28 | |
| michael@0 | 29 | cpu_type_t cpu_i386_types[2] = { |
| michael@0 | 30 | CPU_TYPE_X86, |
| michael@0 | 31 | CPU_TYPE_ANY }; |
| michael@0 | 32 | |
| michael@0 | 33 | cpu_type_t cpu_x64_86_types[2] = { |
| michael@0 | 34 | CPU_TYPE_X86_64, |
| michael@0 | 35 | CPU_TYPE_ANY }; |
| michael@0 | 36 | } |
| michael@0 | 37 | |
| michael@0 | 38 | void LaunchChildMac(int aArgc, char** aArgv, |
| michael@0 | 39 | uint32_t aRestartType, pid_t *pid) |
| michael@0 | 40 | { |
| michael@0 | 41 | // "posix_spawnp" uses null termination for arguments rather than a count. |
| michael@0 | 42 | // Note that we are not duplicating the argument strings themselves. |
| michael@0 | 43 | nsAutoArrayPtr<char*> argv_copy(new char*[aArgc + 1]); |
| michael@0 | 44 | for (int i = 0; i < aArgc; i++) { |
| michael@0 | 45 | argv_copy[i] = aArgv[i]; |
| michael@0 | 46 | } |
| michael@0 | 47 | argv_copy[aArgc] = NULL; |
| michael@0 | 48 | |
| michael@0 | 49 | // Initialize spawn attributes. |
| michael@0 | 50 | posix_spawnattr_t spawnattr; |
| michael@0 | 51 | if (posix_spawnattr_init(&spawnattr) != 0) { |
| michael@0 | 52 | printf("Failed to init posix spawn attribute."); |
| michael@0 | 53 | return; |
| michael@0 | 54 | } |
| michael@0 | 55 | |
| michael@0 | 56 | cpu_type_t *wanted_type = pref_cpu_types; |
| michael@0 | 57 | size_t attr_count = ArrayLength(pref_cpu_types); |
| michael@0 | 58 | |
| michael@0 | 59 | if (aRestartType & nsIAppStartup::eRestarti386) { |
| michael@0 | 60 | wanted_type = cpu_i386_types; |
| michael@0 | 61 | attr_count = ArrayLength(cpu_i386_types); |
| michael@0 | 62 | } else if (aRestartType & nsIAppStartup::eRestartx86_64) { |
| michael@0 | 63 | wanted_type = cpu_x64_86_types; |
| michael@0 | 64 | attr_count = ArrayLength(cpu_x64_86_types); |
| michael@0 | 65 | } |
| michael@0 | 66 | |
| michael@0 | 67 | // Set spawn attributes. |
| michael@0 | 68 | size_t attr_ocount = 0; |
| michael@0 | 69 | if (posix_spawnattr_setbinpref_np(&spawnattr, attr_count, wanted_type, &attr_ocount) != 0 || |
| michael@0 | 70 | attr_ocount != attr_count) { |
| michael@0 | 71 | printf("Failed to set binary preference on posix spawn attribute."); |
| michael@0 | 72 | posix_spawnattr_destroy(&spawnattr); |
| michael@0 | 73 | return; |
| michael@0 | 74 | } |
| michael@0 | 75 | |
| michael@0 | 76 | // Pass along our environment. |
| michael@0 | 77 | char** envp = NULL; |
| michael@0 | 78 | char*** cocoaEnvironment = _NSGetEnviron(); |
| michael@0 | 79 | if (cocoaEnvironment) { |
| michael@0 | 80 | envp = *cocoaEnvironment; |
| michael@0 | 81 | } |
| michael@0 | 82 | |
| michael@0 | 83 | int result = posix_spawnp(pid, argv_copy[0], NULL, &spawnattr, argv_copy, envp); |
| michael@0 | 84 | |
| michael@0 | 85 | posix_spawnattr_destroy(&spawnattr); |
| michael@0 | 86 | |
| michael@0 | 87 | if (result != 0) { |
| michael@0 | 88 | printf("Process spawn failed with code %d!", result); |
| michael@0 | 89 | } |
| michael@0 | 90 | } |
