mirror of
https://github.com/mozilla/gecko-dev.git
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137 lines
4.1 KiB
Plaintext
137 lines
4.1 KiB
Plaintext
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include <Cocoa/Cocoa.h>
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#include <CoreServices/CoreServices.h>
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#include <crt_externs.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <spawn.h>
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#include "readstrings.h"
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// Prefer the currently running architecture (this is the same as the
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// architecture that launched the updater) and fallback to CPU_TYPE_ANY if it
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// is no longer available after the update.
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static 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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void LaunchChild(int argc, char **argv)
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{
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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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// Set spawn attributes.
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size_t attr_count = 2;
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size_t attr_ocount = 0;
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if (posix_spawnattr_setbinpref_np(&spawnattr, attr_count, pref_cpu_types, &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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// "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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char** argv_copy = (char**)malloc((argc + 1) * sizeof(char*));
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if (!argv_copy) {
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printf("Failed to allocate memory for arguments.");
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posix_spawnattr_destroy(&spawnattr);
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return;
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}
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for (int i = 0; i < argc; i++) {
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argv_copy[i] = argv[i];
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}
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argv_copy[argc] = NULL;
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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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free(argv_copy);
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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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void
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LaunchMacPostProcess(const char* aAppExe)
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{
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// Launch helper to perform post processing for the update; this is the Mac
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// analogue of LaunchWinPostProcess (PostUpdateWin).
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NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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// Find the app bundle containing the executable path given
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NSString *path = [NSString stringWithUTF8String:aAppExe];
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NSBundle *bundle;
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do {
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path = [path stringByDeletingLastPathComponent];
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bundle = [NSBundle bundleWithPath:path];
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} while ((!bundle || ![bundle bundleIdentifier]) && [path length] > 1);
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if (!bundle) {
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// No bundle found for the app being launched
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[pool release];
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return;
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}
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NSString *iniPath = [bundle pathForResource:@"updater" ofType:@"ini"];
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if (!iniPath) {
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// the file does not exist; there is nothing to run
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[pool release];
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return;
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}
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int readResult;
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char values[2][MAX_TEXT_LEN];
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readResult = ReadStrings([iniPath UTF8String],
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"ExeArg\0ExeRelPath\0",
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2,
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values,
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"PostUpdateMac");
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if (readResult) {
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[pool release];
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return;
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}
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NSString *exeArg = [NSString stringWithUTF8String:values[0]];
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NSString *exeRelPath = [NSString stringWithUTF8String:values[1]];
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if (!exeArg || !exeRelPath) {
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[pool release];
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return;
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}
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NSString *resourcePath = [bundle resourcePath];
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NSString *exeFullPath = [resourcePath stringByAppendingPathComponent:exeRelPath];
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NSTask *task = [[NSTask alloc] init];
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[task setLaunchPath:exeFullPath];
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[task setArguments:[NSArray arrayWithObject:exeArg]];
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[task launch];
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[task waitUntilExit];
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// ignore the return value of the task, there's nothing we can do with it
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[task release];
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[pool release];
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}
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