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comparison: toolkit/xre/MacLaunchHelper.mm
toolkit/xre/MacLaunchHelper.mm
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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deleted
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| -1:000000000000 | 0:91c31f34e3f3 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #include "MacLaunchHelper.h" | |
| 7 | |
| 8 #include "nsMemory.h" | |
| 9 #include "nsAutoPtr.h" | |
| 10 #include "nsIAppStartup.h" | |
| 11 | |
| 12 #include <stdio.h> | |
| 13 #include <spawn.h> | |
| 14 #include <crt_externs.h> | |
| 15 | |
| 16 using namespace mozilla; | |
| 17 | |
| 18 namespace { | |
| 19 cpu_type_t pref_cpu_types[2] = { | |
| 20 #if defined(__i386__) | |
| 21 CPU_TYPE_X86, | |
| 22 #elif defined(__x86_64__) | |
| 23 CPU_TYPE_X86_64, | |
| 24 #elif defined(__ppc__) | |
| 25 CPU_TYPE_POWERPC, | |
| 26 #endif | |
| 27 CPU_TYPE_ANY }; | |
| 28 | |
| 29 cpu_type_t cpu_i386_types[2] = { | |
| 30 CPU_TYPE_X86, | |
| 31 CPU_TYPE_ANY }; | |
| 32 | |
| 33 cpu_type_t cpu_x64_86_types[2] = { | |
| 34 CPU_TYPE_X86_64, | |
| 35 CPU_TYPE_ANY }; | |
| 36 } | |
| 37 | |
| 38 void LaunchChildMac(int aArgc, char** aArgv, | |
| 39 uint32_t aRestartType, pid_t *pid) | |
| 40 { | |
| 41 // "posix_spawnp" uses null termination for arguments rather than a count. | |
| 42 // Note that we are not duplicating the argument strings themselves. | |
| 43 nsAutoArrayPtr<char*> argv_copy(new char*[aArgc + 1]); | |
| 44 for (int i = 0; i < aArgc; i++) { | |
| 45 argv_copy[i] = aArgv[i]; | |
| 46 } | |
| 47 argv_copy[aArgc] = NULL; | |
| 48 | |
| 49 // Initialize spawn attributes. | |
| 50 posix_spawnattr_t spawnattr; | |
| 51 if (posix_spawnattr_init(&spawnattr) != 0) { | |
| 52 printf("Failed to init posix spawn attribute."); | |
| 53 return; | |
| 54 } | |
| 55 | |
| 56 cpu_type_t *wanted_type = pref_cpu_types; | |
| 57 size_t attr_count = ArrayLength(pref_cpu_types); | |
| 58 | |
| 59 if (aRestartType & nsIAppStartup::eRestarti386) { | |
| 60 wanted_type = cpu_i386_types; | |
| 61 attr_count = ArrayLength(cpu_i386_types); | |
| 62 } else if (aRestartType & nsIAppStartup::eRestartx86_64) { | |
| 63 wanted_type = cpu_x64_86_types; | |
| 64 attr_count = ArrayLength(cpu_x64_86_types); | |
| 65 } | |
| 66 | |
| 67 // Set spawn attributes. | |
| 68 size_t attr_ocount = 0; | |
| 69 if (posix_spawnattr_setbinpref_np(&spawnattr, attr_count, wanted_type, &attr_ocount) != 0 || | |
| 70 attr_ocount != attr_count) { | |
| 71 printf("Failed to set binary preference on posix spawn attribute."); | |
| 72 posix_spawnattr_destroy(&spawnattr); | |
| 73 return; | |
| 74 } | |
| 75 | |
| 76 // Pass along our environment. | |
| 77 char** envp = NULL; | |
| 78 char*** cocoaEnvironment = _NSGetEnviron(); | |
| 79 if (cocoaEnvironment) { | |
| 80 envp = *cocoaEnvironment; | |
| 81 } | |
| 82 | |
| 83 int result = posix_spawnp(pid, argv_copy[0], NULL, &spawnattr, argv_copy, envp); | |
| 84 | |
| 85 posix_spawnattr_destroy(&spawnattr); | |
| 86 | |
| 87 if (result != 0) { | |
| 88 printf("Process spawn failed with code %d!", result); | |
| 89 } | |
| 90 } |
