1 //===-- safestack_util.h --------------------------------------------------===//
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
9 // This file contains utility code for SafeStack implementation.
11 //===----------------------------------------------------------------------===//
13 #ifndef SAFESTACK_UTIL_H
14 #define SAFESTACK_UTIL_H
22 #define SFS_CHECK(a) \
25 fprintf(stderr, "safestack CHECK failed: %s:%d %s\n", __FILE__, \
31 inline size_t RoundUpTo(size_t size, size_t boundary) {
32 SFS_CHECK((boundary & (boundary - 1)) == 0);
33 return (size + boundary - 1) & ~(boundary - 1);
38 explicit MutexLock(pthread_mutex_t &mutex) : mutex_(&mutex) {
39 pthread_mutex_lock(mutex_);
41 ~MutexLock() { pthread_mutex_unlock(mutex_); }
44 pthread_mutex_t *mutex_ = nullptr;
47 } // namespace safestack
49 #endif // SAFESTACK_UTIL_H