1 /* 2 * Copyright 2018 Google Inc. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "sys.hpp" 18 19 #include <fcntl.h> 20 #include <sys/ioctl.h> 21 #include <sys/mman.h> 22 #include <unistd.h> 23 24 namespace internal 25 { 26 27 int SysImpl::open(const char* pathname, int flags) const 28 { 29 return ::open(pathname, flags); 30 } 31 32 int SysImpl::read(int fd, void* buf, std::size_t count) const 33 { 34 return static_cast<int>(::read(fd, buf, count)); 35 } 36 37 int SysImpl::close(int fd) const 38 { 39 return ::close(fd); 40 } 41 42 void* SysImpl::mmap(void* addr, std::size_t length, int prot, int flags, int fd, 43 off_t offset) const 44 { 45 return ::mmap(addr, length, prot, flags, fd, offset); 46 } 47 48 int SysImpl::munmap(void* addr, std::size_t length) const 49 { 50 return ::munmap(addr, length); 51 } 52 53 int SysImpl::getpagesize() const 54 { 55 return ::getpagesize(); 56 } 57 58 int SysImpl::ioctl(int fd, unsigned long request, void* param) const 59 { 60 return ::ioctl(fd, request, param); 61 } 62 63 int SysImpl::poll(struct pollfd* fds, nfds_t nfds, int timeout) const 64 { 65 return ::poll(fds, nfds, timeout); 66 } 67 68 SysImpl sys_impl; 69 70 } // namespace internal 71