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[linux] Add most of the linux api
Signed-off-by: Piotr Jaroszyński <p.jaroszynski@gmail.com> Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Piotr Jaroszyński
Michael Brown
parent
e743910cf9
commit
1812bfd5d0
114
src/arch/x86/core/linux/linux_api.c
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114
src/arch/x86/core/linux/linux_api.c
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/*
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* Copyright (C) 2010 Piotr Jaroszyński <p.jaroszynski@gmail.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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FILE_LICENCE(GPL2_OR_LATER);
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/** @file
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*
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* Implementation of most of the linux API.
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*/
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#include <linux_api.h>
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#include <stdarg.h>
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#include <asm/unistd.h>
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#include <string.h>
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int linux_open(const char *pathname, int flags)
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{
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return linux_syscall(__NR_open, pathname, flags);
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}
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int linux_close(int fd)
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{
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return linux_syscall(__NR_close, fd);
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}
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ssize_t linux_read(int fd, void *buf, size_t count)
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{
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return linux_syscall(__NR_read, fd, buf, count);
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}
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ssize_t linux_write(int fd, const void *buf, size_t count)
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{
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return linux_syscall(__NR_write, fd, buf, count);
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}
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int linux_fcntl(int fd, int cmd, ...)
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{
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long arg;
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va_list list;
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va_start(list, cmd);
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arg = va_arg(list, long);
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va_end(list);
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return linux_syscall(__NR_fcntl, fd, cmd, arg);
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}
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int linux_ioctl(int fd, int request, ...)
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{
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void *arg;
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va_list list;
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va_start(list, request);
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arg = va_arg(list, void *);
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va_end(list);
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return linux_syscall(__NR_ioctl, fd, request, arg);
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}
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int linux_poll(struct pollfd *fds, nfds_t nfds, int timeout)
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{
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return linux_syscall(__NR_poll, fds, nfds, timeout);
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}
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int linux_nanosleep(const struct timespec *req, struct timespec *rem)
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{
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return linux_syscall(__NR_nanosleep, req, rem);
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}
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int linux_usleep(useconds_t usec)
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{
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struct timespec ts = {
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.tv_sec = (long) (usec / 1000000),
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.tv_nsec = (long) (usec % 1000000) * 1000ul
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};
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return linux_nanosleep(&ts, NULL);
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}
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int linux_gettimeofday(struct timeval *tv, struct timezone *tz)
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{
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return linux_syscall(__NR_gettimeofday, tv, tz);
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}
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void *linux_mmap(void *addr, size_t length, int prot, int flags, int fd, off_t offset)
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{
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return (void *)linux_syscall(__SYSCALL_mmap, addr, length, prot, flags, fd, offset);
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}
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void *linux_mremap(void *old_address, size_t old_size, size_t new_size, int flags)
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{
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return (void *)linux_syscall(__NR_mremap, old_address, old_size, new_size, flags);
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}
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int linux_munmap(void *addr, size_t length)
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{
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return linux_syscall(__NR_munmap, addr, length);
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}
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169
src/arch/x86/core/linux/linux_strerror.c
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169
src/arch/x86/core/linux/linux_strerror.c
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@ -0,0 +1,169 @@
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/*
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* Copyright (C) 2010 Piotr Jaroszyński <p.jaroszynski@gmail.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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FILE_LICENCE(GPL2_OR_LATER);
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/** @file
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*
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* linux_strerror implementation
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*/
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#include <linux_api.h>
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#include <stdio.h>
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/** Error names from glibc */
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static const char *errors[] = {
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"Success",
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"Operation not permitted",
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"No such file or directory",
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"No such process",
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"Interrupted system call",
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"Input/output error",
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"No such device or address",
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"Argument list too long",
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"Exec format error",
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"Bad file descriptor",
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"No child processes",
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"Resource temporarily unavailable",
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"Cannot allocate memory",
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"Permission denied",
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"Bad address",
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"Block device required",
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"Device or resource busy",
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"File exists",
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"Invalid cross-device link",
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"No such device",
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"Not a directory",
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"Is a directory",
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"Invalid argument",
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"Too many open files in system",
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"Too many open files",
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"Inappropriate ioctl for device",
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"Text file busy",
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"File too large",
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"No space left on device",
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"Illegal seek",
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"Read-only file system",
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"Too many links",
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"Broken pipe",
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"Numerical argument out of domain",
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"Numerical result out of range",
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"Resource deadlock avoided",
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"File name too long",
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"No locks available",
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"Function not implemented",
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"Directory not empty",
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"Too many levels of symbolic links",
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"",
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"No message of desired type",
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"Identifier removed",
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"Channel number out of range",
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"Level 2 not synchronized",
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"Level 3 halted",
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"Level 3 reset",
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"Link number out of range",
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"Protocol driver not attached",
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"No CSI structure available",
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"Level 2 halted",
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"Invalid exchange",
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"Invalid request descriptor",
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"Exchange full",
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"No anode",
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"Invalid request code",
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"Invalid slot",
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"",
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"Bad font file format",
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"Device not a stream",
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"No data available",
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"Timer expired",
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"Out of streams resources",
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"Machine is not on the network",
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"Package not installed",
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"Object is remote",
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"Link has been severed",
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"Advertise error",
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"Srmount error",
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"Communication error on send",
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"Protocol error",
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"Multihop attempted",
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"RFS specific error",
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"Bad message",
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"Value too large for defined data type",
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"Name not unique on network",
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"File descriptor in bad state",
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"Remote address changed",
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"Can not access a needed shared library",
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"Accessing a corrupted shared library",
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".lib section in a.out corrupted",
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"Attempting to link in too many shared libraries",
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"Cannot exec a shared library directly",
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"Invalid or incomplete multibyte or wide character",
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"Interrupted system call should be restarted",
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"Streams pipe error",
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"Too many users",
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"Socket operation on non-socket",
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"Destination address required",
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"Message too long",
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"Protocol wrong type for socket",
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"Protocol not available",
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"Protocol not supported",
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"Socket type not supported",
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"Operation not supported",
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"Protocol family not supported",
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"Address family not supported by protocol",
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"Address already in use",
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"Cannot assign requested address",
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"Network is down",
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"Network is unreachable",
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"Network dropped connection on reset",
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"Software caused connection abort",
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"Connection reset by peer",
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"No buffer space available",
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"Transport endpoint is already connected",
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"Transport endpoint is not connected",
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"Cannot send after transport endpoint shutdown",
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"Too many references: cannot splice",
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"Connection timed out",
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"Connection refused",
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"Host is down",
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"No route to host",
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"Operation already in progress",
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"Operation now in progress",
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"Stale NFS file handle",
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"Structure needs cleaning",
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"Not a XENIX named type file",
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"No XENIX semaphores available",
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"Is a named type file",
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"Remote I/O error",
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"Disk quota exceeded",
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"No medium found",
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"Wrong medium type",
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};
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const char *linux_strerror(int errnum)
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{
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static char errbuf[64];
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static int errors_size = sizeof(errors) / sizeof(*errors);
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if (errnum >= errors_size || errnum < 0) {
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snprintf(errbuf, sizeof(errbuf), "Error %#08x", errnum);
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return errbuf;
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} else {
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return errors[errnum];
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}
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}
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