/* * Copyright (C) 2018 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #import "ProcessCheck.h" #import <Foundation/Foundation.h> #import <mutex> namespace bmalloc { #if !BPLATFORM(WATCHOS) bool gigacageEnabledForProcess() { // Note that this function is only called once. // If we wanted to make it efficient to call more than once, we could memoize the result in a global boolean. NSString *appName = [[NSBundle mainBundle] bundleIdentifier]; if (appName) { bool isWebProcess = [appName hasPrefix:@"com.apple.WebKit.WebContent"]; return isWebProcess; } NSString *processName = [[NSProcessInfo processInfo] processName]; bool isOptInBinary = [processName isEqualToString:@"jsc"] || [processName isEqualToString:@"DumpRenderTree"] || [processName isEqualToString:@"wasm"] || [processName hasPrefix:@"test"]; return isOptInBinary; } #endif // !BPLATFORM(WATCHOS) #if BUSE(CHECK_NANO_MALLOC) bool shouldProcessUnconditionallyUseBmalloc() { static bool result; static std::once_flag onceFlag; std::call_once(onceFlag, [&] () { if (NSString *appName = [[NSBundle mainBundle] bundleIdentifier]) { auto contains = [&] (NSString *string) { return [appName rangeOfString:string options:NSCaseInsensitiveSearch].location != NSNotFound; }; result = contains(@"com.apple.WebKit") || contains(@"safari"); } else { NSString *processName = [[NSProcessInfo processInfo] processName]; result = [processName isEqualToString:@"jsc"] || [processName isEqualToString:@"wasm"]; } }); return result; } #endif // BUSE(CHECK_NANO_MALLOC) }