1 files changed, 138 insertions, 0 deletions
diff --git a/onlineupdate/source/update/updater/launchchild_osx.mm b/onlineupdate/source/update/updater/launchchild_osx.mm
new file mode 100644
index 000000000..9e4e08d37
--- /dev/null
+++ b/onlineupdate/source/update/updater/launchchild_osx.mm
@@ -0,0 +1,138 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include <Cocoa/Cocoa.h>
+#include <CoreServices/CoreServices.h>
+#include <crt_externs.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <spawn.h>
+#include "readstrings.h"
+
+// Prefer the currently running architecture (this is the same as the
+// architecture that launched the updater) and fallback to CPU_TYPE_ANY if it
+// is no longer available after the update.
+static cpu_type_t pref_cpu_types[2] = {
+#if defined(__i386__)
+                                 CPU_TYPE_X86,
+#elif defined(__x86_64__)
+                                 CPU_TYPE_X86_64,
+#elif defined(__ppc__)
+                                 CPU_TYPE_POWERPC,
+#endif
+                                 CPU_TYPE_ANY };
+
+void LaunchChild(int argc, char **argv)
+{
+  // Initialize spawn attributes.
+  posix_spawnattr_t spawnattr;
+  if (posix_spawnattr_init(&spawnattr) != 0) {
+    printf("Failed to init posix spawn attribute.");
+    return;
+  }
+
+  // Set spawn attributes.
+  size_t attr_count = 2;
+  size_t attr_ocount = 0;
+  if (posix_spawnattr_setbinpref_np(&spawnattr, attr_count, pref_cpu_types, &attr_ocount) != 0 ||
+      attr_ocount != attr_count) {
+    printf("Failed to set binary preference on posix spawn attribute.");
+    posix_spawnattr_destroy(&spawnattr);
+    return;
+  }
+
+  // "posix_spawnp" uses null termination for arguments rather than a count.
+  // Note that we are not duplicating the argument strings themselves.
+  char** argv_copy = (char**)malloc((argc + 1) * sizeof(char*));
+  if (!argv_copy) {
+    printf("Failed to allocate memory for arguments.");
+    posix_spawnattr_destroy(&spawnattr);
+    return;
+  }
+  for (int i = 0; i < argc; i++) {
+    argv_copy[i] = argv[i];
+  }
+  argv_copy[argc] = NULL;
+
+  // Pass along our environment.
+  char** envp = NULL;
+  char*** cocoaEnvironment = _NSGetEnviron();
+  if (cocoaEnvironment) {
+    envp = *cocoaEnvironment;
+  }
+
+  int result = posix_spawnp(NULL, argv_copy[0], NULL, &spawnattr, argv_copy, envp);
+
+  free(argv_copy);
+  posix_spawnattr_destroy(&spawnattr);
+
+  if (result != 0) {
+    printf("Process spawn failed with code %d!", result);
+  }
+}
+
+void
+LaunchMacPostProcess(const char* aAppBundle)
+{
+  // Launch helper to perform post processing for the update; this is the Mac
+  // analogue of LaunchWinPostProcess (PostUpdateWin).
+  NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+
+  NSString* iniPath = [NSString stringWithUTF8String:aAppBundle];
+  iniPath =
+    [iniPath stringByAppendingPathComponent:@"Contents/Resources/updater.ini"];
+
+  NSFileManager* fileManager = [NSFileManager defaultManager];
+  if (![fileManager fileExistsAtPath:iniPath]) {
+    // the file does not exist; there is nothing to run
+    [pool release];
+    return;
+  }
+
+  int readResult;
+  char values[2][MAX_TEXT_LEN];
+  readResult = ReadStrings([iniPath UTF8String],
+                           "ExeRelPath\0ExeArg\0",
+                           2,
+                           values,
+                           "PostUpdateMac");
+  if (readResult) {
+    [pool release];
+    return;
+  }
+
+  NSString *exeRelPath = [NSString stringWithUTF8String:values[0]];
+  NSString *exeArg = [NSString stringWithUTF8String:values[1]];
+  if (!exeArg || !exeRelPath) {
+    [pool release];
+    return;
+  }
+
+  NSString* exeFullPath = [NSString stringWithUTF8String:aAppBundle];
+  exeFullPath = [exeFullPath stringByAppendingPathComponent:exeRelPath];
+
+  char optVals[1][MAX_TEXT_LEN];
+  readResult = ReadStrings([iniPath UTF8String],
+                           "ExeAsync\0",
+                           1,
+                           optVals,
+                           "PostUpdateMac");
+
+  NSTask *task = [[NSTask alloc] init];
+  [task setLaunchPath:exeFullPath];
+  [task setArguments:[NSArray arrayWithObject:exeArg]];
+  [task launch];
+  if (!readResult) {
+    NSString *exeAsync = [NSString stringWithUTF8String:optVals[0]];
+    if ([exeAsync isEqualToString:@"false"]) {
+      [task waitUntilExit];
+    }
+  }
+  // ignore the return value of the task, there's nothing we can do with it
+  [task release];
+
+  [pool release];
+}