| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License.. |
| |
| #define _LARGEFILE64_SOURCE |
| #define _GNU_SOURCE |
| #include <sys/types.h> |
| #include <sys/ioctl.h> |
| #include <sys/uio.h> |
| #include <sys/sendfile.h> |
| #include <sys/eventfd.h> |
| #include <sys/stat.h> |
| #include <sys/syscall.h> |
| #include <time.h> |
| #include <errno.h> |
| #include <unistd.h> |
| #include <fcntl.h> |
| |
| ssize_t u_read_ocall(int *error, int fd, void *buf, size_t count) |
| { |
| ssize_t ret = read(fd, buf, count); |
| if (error) { |
| *error = ret == -1 ? errno : 0; |
| } |
| return ret; |
| } |
| |
| ssize_t u_pread64_ocall(int *error, int fd, void *buf, size_t count, off64_t offset) |
| { |
| ssize_t ret = pread64(fd, buf, count, offset); |
| if (error) { |
| *error = ret == -1 ? errno : 0; |
| } |
| return ret; |
| } |
| |
| ssize_t u_readv_ocall(int *error, int fd, const struct iovec *iov, int iovcnt) |
| { |
| ssize_t ret = readv(fd, iov, iovcnt); |
| if (error) { |
| *error = ret == -1 ? errno : 0; |
| } |
| return ret; |
| } |
| |
| ssize_t u_preadv64_ocall(int *error, int fd, const struct iovec *iov, int iovcnt, off64_t offset) |
| { |
| ssize_t ret = preadv64(fd, iov, iovcnt, offset); |
| if (error) { |
| *error = ret == -1 ? errno : 0; |
| } |
| return ret; |
| } |
| |
| ssize_t u_write_ocall(int *error, int fd, const void *buf, size_t count) |
| { |
| ssize_t ret = write(fd, buf, count); |
| if (error) { |
| *error = ret == -1 ? errno : 0; |
| } |
| return ret; |
| } |
| |
| ssize_t u_pwrite64_ocall(int *error, int fd, const void *buf, size_t count, off64_t offset) |
| { |
| ssize_t ret = pwrite64(fd, buf, count, offset); |
| if (error) { |
| *error = ret == -1 ? errno : 0; |
| } |
| return ret; |
| } |
| |
| ssize_t u_writev_ocall(int *error, int fd, const struct iovec *iov, int iovcnt) |
| { |
| ssize_t ret = writev(fd, iov, iovcnt); |
| if (error) { |
| *error = ret == -1 ? errno : 0; |
| } |
| return ret; |
| } |
| |
| ssize_t u_pwritev64_ocall(int *error, int fd, const struct iovec *iov, int iovcnt, off64_t offset) |
| { |
| ssize_t ret = pwritev64(fd, iov, iovcnt, offset); |
| if (error) { |
| *error = ret == -1 ? errno : 0; |
| } |
| return ret; |
| } |
| |
| ssize_t u_sendfile_ocall(int *error, int out_fd, int in_fd, off_t *offset, size_t count) |
| { |
| ssize_t ret = sendfile(out_fd, in_fd, offset, count); |
| if (error) { |
| *error = ret == -1 ? errno : 0; |
| } |
| return ret; |
| } |
| |
| ssize_t u_copy_file_range_ocall(int *error, int fd_in, loff_t *off_in, int fd_out, loff_t *off_out, size_t len, unsigned int flags) |
| { |
| ssize_t ret = syscall(__NR_copy_file_range, fd_in, off_in, fd_out, off_out, len, flags); |
| if (error) { |
| *error = ret == -1 ? errno : 0; |
| } |
| return ret; |
| } |
| |
| ssize_t u_splice_ocall(int *error, int fd_in, loff_t *off_in, int fd_out, loff_t *off_out, size_t len, unsigned int flags) |
| { |
| ssize_t ret = splice(fd_in, off_in, fd_out, off_out, len, flags); |
| if (error) { |
| *error = ret == -1 ? errno : 0; |
| } |
| return ret; |
| } |
| |
| int u_fcntl_arg0_ocall(int *error, int fd, int cmd) |
| { |
| int ret = fcntl(fd, cmd); |
| if (error) { |
| *error = ret == -1 ? errno : 0; |
| } |
| return ret; |
| } |
| |
| int u_fcntl_arg1_ocall(int *error, int fd, int cmd, int arg) |
| { |
| int ret = fcntl(fd, cmd, arg); |
| if (error) { |
| *error = ret == -1 ? errno : 0; |
| } |
| return ret; |
| } |
| |
| int u_ioctl_arg0_ocall(int *error, int fd, int request) |
| { |
| int ret = ioctl(fd, (unsigned long)request); |
| if (error) { |
| *error = ret == -1 ? errno : 0; |
| } |
| return ret; |
| } |
| |
| int u_ioctl_arg1_ocall(int *error, int fd, int request, int *arg) |
| { |
| int ret = ioctl(fd, (unsigned long)request, arg); |
| if (error) { |
| *error = ret == -1 ? errno : 0; |
| } |
| return ret; |
| } |
| |
| int u_close_ocall(int *error, int fd) |
| { |
| int ret = close(fd); |
| if (error) { |
| *error = ret == -1 ? errno : 0; |
| } |
| return ret; |
| } |
| |
| int u_isatty_ocall(int *error, int fd) |
| { |
| int ret = isatty(fd); |
| if (error) { |
| *error = ret == 0 ? errno : 0; |
| } |
| return ret; |
| } |
| |
| int u_dup_ocall(int *error, int oldfd) |
| { |
| int ret = dup(oldfd); |
| if (error) { |
| *error = ret == -1 ? errno : 0; |
| } |
| return ret; |
| } |
| |
| int u_eventfd_ocall(int *error, unsigned int initval, int flags) |
| { |
| int ret = eventfd(initval, flags); |
| if (error) { |
| *error = ret == -1 ? errno : 0; |
| } |
| return ret; |
| } |
| |
| int u_futimens_ocall(int *error, int fd, const struct timespec times[2]) |
| { |
| int ret = futimens(fd, times); |
| if (error) { |
| *error = ret == -1 ? errno : 0; |
| } |
| return ret; |
| } |