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110 lines
3.4 KiB
C++
110 lines
3.4 KiB
C++
/******************************************************************************
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COPYRIGHT(C) JONAS 'SORTIE' TERMANSEN 2011, 2012.
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This file is part of LibMaxsi.
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LibMaxsi is free software: you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License as published by the Free
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Software Foundation, either version 3 of the License, or (at your option)
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any later version.
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LibMaxsi is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
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more details.
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You should have received a copy of the GNU Lesser General Public License
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along with LibMaxsi. If not, see <http://www.gnu.org/licenses/>.
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error.cpp
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Error reporting functions and utilities.
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*******************************************************************************/
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#define __SORTIX_STDLIB_REDIRECTS 0
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#include <libmaxsi/platform.h>
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#include <libmaxsi/error.h>
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#ifndef SORTIX_KERNEL
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#include <libmaxsi/syscall.h>
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#include <stdio.h>
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#endif
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namespace Maxsi {
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namespace Error {
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extern "C" { int global_errno = 0; }
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extern "C" { errno_location_func_t errno_location_func = NULL; }
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#ifndef SORTIX_KERNEL
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DEFN_SYSCALL1(int, SysRegisterErrno, SYSCALL_REGISTER_ERRNO, int*);
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extern "C" void init_error_functions()
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{
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global_errno = 0;
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SysRegisterErrno(&global_errno);
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}
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#endif
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extern "C" int* get_errno_location(void)
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{
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if ( errno_location_func ) { return errno_location_func(); }
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return &global_errno;
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}
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extern "C" void set_errno_location_func(errno_location_func_t func)
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{
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errno_location_func = func;
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}
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extern "C" const char* sortix_strerror(int errnum)
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{
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switch ( errnum )
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{
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case ENOTBLK: return "Block device required";
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case ENODEV: return "No such device";
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case EWOULDBLOCK: return "Operation would block";
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case EBADF: return "Bad file descriptor";
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case EOVERFLOW: return "Value too large to be stored in data type";
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case ENOENT: return "No such file or directory";
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case ENOSPC: return "No space left on device";
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case EEXIST: return "File exists";
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case EROFS: return "Read-only file system";
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case EINVAL: return "Invalid argument";
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case ENOTDIR: return "Not a directory";
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case ENOMEM: return "Not enough memory";
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case ERANGE: return "Result too large";
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case EISDIR: return "Is a directory";
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case EPERM: return "Operation not permitted";
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case EIO: return "Input/output error";
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case ENOEXEC: return "Exec format error";
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case EACCES: return "Permission denied";
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case ESRCH: return "No such process";
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case ENOTTY: return "Not a tty";
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case ECHILD: return "No child processes";
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case ENOSYS: return "Function not implemented";
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case ENOTSUP: return "Operation not supported";
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case EBLOCKING: return "Operation is blocking";
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case EINTR: return "Interrupted function call";
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case ENOTEMPTY: return "Directory not empty";
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case EBUSY: return "Device or resource busy";
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case EPIPE: return "Broken pipe";
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case EILSEQ: return "Illegal byte sequence";
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case ELAKE: return "Sit by a lake";
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case EMFILE: return "Too many open files";
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case EAGAIN: return "Resource temporarily unavailable";
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case EEOF: return "End of file";
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case EBOUND: return "Out of bounds";
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case EINIT: return "Not initialized";
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case ENODRV: return (char*) "No such driver";
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default: return "Unknown error condition";
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}
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}
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extern "C" char* strerror(int errnum)
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{
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return (char*) sortix_strerror(errnum);
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}
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} // namespace Error
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} // namespace Maxsi
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