1 /* 2 * Copyright 2012, The Android Open Source Project 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 #ifndef _FILEFD_PORTABLE_H_ 18 #define _FILEFD_PORTABLE_H_ 19 20 /* 21 * Maintaining a list of special file descriptors in lib-portable 22 * which are maintained across a execve() via environment variables. 23 * See portable/arch-mips/filefd.c for details. 24 */ 25 enum filefd_type { 26 UNUSED_FD_TYPE = 0, 27 EVENT_FD_TYPE, 28 INOTIFY_FD_TYPE, 29 SIGNAL_FD_TYPE, 30 TIMER_FD_TYPE, 31 MAX_FD_TYPE 32 }; 33 34 extern __hidden void filefd_opened(int fd, enum filefd_type fd_type); 35 extern __hidden void filefd_closed(int fd); 36 extern __hidden void filefd_CLOEXEC_enabled(int fd); 37 extern __hidden void filefd_CLOEXEC_disabled(int fd); 38 extern __hidden void filefd_disable_mapping(void); 39 40 extern int WRAP(close)(int fd); 41 extern int WRAP(read)(int fd, void *buf, size_t count); 42 extern int WRAP(pipe2)(int pipefd[2], int portable_flags); 43 44 #endif /* _FILEFD_PORTABLE_H_ */ 45