| // 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.. |
| |
| use libc::{self, c_int, c_ulong, c_void, iovec, off64_t, size_t, ssize_t}; |
| use std::io::Error; |
| |
| #[no_mangle] |
| pub extern "C" fn u_read_ocall( |
| error: *mut c_int, |
| fd: c_int, |
| buf: *mut c_void, |
| count: size_t, |
| ) -> ssize_t { |
| let mut errno = 0; |
| let ret = unsafe { libc::read(fd, buf, count) }; |
| if ret < 0 { |
| errno = Error::last_os_error().raw_os_error().unwrap_or(0); |
| } |
| if !error.is_null() { |
| unsafe { |
| *error = errno; |
| } |
| } |
| ret |
| } |
| |
| #[no_mangle] |
| pub extern "C" fn u_pread64_ocall( |
| error: *mut c_int, |
| fd: c_int, |
| buf: *mut c_void, |
| count: size_t, |
| offset: off64_t, |
| ) -> ssize_t { |
| let mut errno = 0; |
| let ret = unsafe { libc::pread64(fd, buf, count, offset) }; |
| if ret < 0 { |
| errno = Error::last_os_error().raw_os_error().unwrap_or(0); |
| } |
| if !error.is_null() { |
| unsafe { |
| *error = errno; |
| } |
| } |
| ret |
| } |
| |
| #[no_mangle] |
| pub extern "C" fn u_readv_ocall( |
| error: *mut c_int, |
| fd: c_int, |
| iov: *const iovec, |
| iovcnt: c_int, |
| ) -> ssize_t { |
| let mut errno = 0; |
| let ret = unsafe { libc::readv(fd, iov, iovcnt) }; |
| if ret < 0 { |
| errno = Error::last_os_error().raw_os_error().unwrap_or(0); |
| } |
| if !error.is_null() { |
| unsafe { |
| *error = errno; |
| } |
| } |
| ret |
| } |
| |
| #[no_mangle] |
| pub extern "C" fn u_preadv64_ocall( |
| error: *mut c_int, |
| fd: c_int, |
| iov: *const iovec, |
| iovcnt: c_int, |
| offset: off64_t, |
| ) -> ssize_t { |
| let mut errno = 0; |
| let ret = unsafe { libc::preadv64(fd, iov, iovcnt, offset) }; |
| if ret < 0 { |
| errno = Error::last_os_error().raw_os_error().unwrap_or(0); |
| } |
| if !error.is_null() { |
| unsafe { |
| *error = errno; |
| } |
| } |
| ret |
| } |
| |
| #[no_mangle] |
| pub extern "C" fn u_write_ocall( |
| error: *mut c_int, |
| fd: c_int, |
| buf: *const c_void, |
| count: size_t, |
| ) -> ssize_t { |
| let mut errno = 0; |
| let ret = unsafe { libc::write(fd, buf, count) }; |
| if ret < 0 { |
| errno = Error::last_os_error().raw_os_error().unwrap_or(0); |
| } |
| if !error.is_null() { |
| unsafe { |
| *error = errno; |
| } |
| } |
| ret |
| } |
| |
| #[no_mangle] |
| pub extern "C" fn u_pwrite64_ocall( |
| error: *mut c_int, |
| fd: c_int, |
| buf: *const c_void, |
| count: size_t, |
| offset: off64_t, |
| ) -> ssize_t { |
| let mut errno = 0; |
| let ret = unsafe { libc::pwrite64(fd, buf, count, offset) }; |
| if ret < 0 { |
| errno = Error::last_os_error().raw_os_error().unwrap_or(0); |
| } |
| if !error.is_null() { |
| unsafe { |
| *error = errno; |
| } |
| } |
| ret |
| } |
| |
| #[no_mangle] |
| pub extern "C" fn u_writev_ocall( |
| error: *mut c_int, |
| fd: c_int, |
| iov: *const iovec, |
| iovcnt: c_int, |
| ) -> ssize_t { |
| let mut errno = 0; |
| let ret = unsafe { libc::writev(fd, iov, iovcnt) }; |
| if ret < 0 { |
| errno = Error::last_os_error().raw_os_error().unwrap_or(0); |
| } |
| if !error.is_null() { |
| unsafe { |
| *error = errno; |
| } |
| } |
| ret |
| } |
| |
| #[no_mangle] |
| pub extern "C" fn u_pwritev64_ocall( |
| error: *mut c_int, |
| fd: c_int, |
| iov: *const iovec, |
| iovcnt: c_int, |
| offset: off64_t, |
| ) -> ssize_t { |
| let mut errno = 0; |
| let ret = unsafe { libc::pwritev64(fd, iov, iovcnt, offset) }; |
| if ret < 0 { |
| errno = Error::last_os_error().raw_os_error().unwrap_or(0); |
| } |
| if !error.is_null() { |
| unsafe { |
| *error = errno; |
| } |
| } |
| ret |
| } |
| |
| #[no_mangle] |
| pub extern "C" fn u_fcntl_arg0_ocall(error: *mut c_int, fd: c_int, cmd: c_int) -> c_int { |
| let mut errno = 0; |
| let ret = unsafe { libc::fcntl(fd, cmd) }; |
| if ret < 0 { |
| errno = Error::last_os_error().raw_os_error().unwrap_or(0); |
| } |
| if !error.is_null() { |
| unsafe { |
| *error = errno; |
| } |
| } |
| ret |
| } |
| |
| #[no_mangle] |
| pub extern "C" fn u_fcntl_arg1_ocall( |
| error: *mut c_int, |
| fd: c_int, |
| cmd: c_int, |
| arg: c_int, |
| ) -> c_int { |
| let mut errno = 0; |
| let ret = unsafe { libc::fcntl(fd, cmd, arg) }; |
| if ret < 0 { |
| errno = Error::last_os_error().raw_os_error().unwrap_or(0); |
| } |
| if !error.is_null() { |
| unsafe { |
| *error = errno; |
| } |
| } |
| ret |
| } |
| |
| #[no_mangle] |
| pub extern "C" fn u_ioctl_arg0_ocall(error: *mut c_int, fd: c_int, request: c_int) -> c_int { |
| let mut errno = 0; |
| let ret = unsafe { libc::ioctl(fd, request as c_ulong) }; |
| if ret < 0 { |
| errno = Error::last_os_error().raw_os_error().unwrap_or(0); |
| } |
| if !error.is_null() { |
| unsafe { |
| *error = errno; |
| } |
| } |
| ret |
| } |
| |
| #[no_mangle] |
| pub extern "C" fn u_ioctl_arg1_ocall( |
| error: *mut c_int, |
| fd: c_int, |
| request: c_int, |
| arg: *mut c_int, |
| ) -> c_int { |
| let mut errno = 0; |
| let ret = unsafe { libc::ioctl(fd, request as c_ulong, arg) }; |
| if ret < 0 { |
| errno = Error::last_os_error().raw_os_error().unwrap_or(0); |
| } |
| if !error.is_null() { |
| unsafe { |
| *error = errno; |
| } |
| } |
| ret |
| } |
| |
| #[no_mangle] |
| pub extern "C" fn u_close_ocall(error: *mut c_int, fd: c_int) -> c_int { |
| let mut errno = 0; |
| let ret = unsafe { libc::close(fd) }; |
| if ret < 0 { |
| errno = Error::last_os_error().raw_os_error().unwrap_or(0); |
| } |
| if !error.is_null() { |
| unsafe { |
| *error = errno; |
| } |
| } |
| ret |
| } |