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https://github.com/EnderIce2/Fennix.git
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Merge remote-tracking branch 'Kernel/master'
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EnderIce2
209
Kernel/library/std/errno.cpp
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209
Kernel/library/std/errno.cpp
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/*
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This file is part of Fennix Kernel.
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Fennix Kernel 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 3 of
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the License, or (at your option) any later version.
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Fennix Kernel is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <errno.h>
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#include <types.h>
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#include <debug.h>
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#include <atomic>
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#include "../../kernel.h"
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__aligned(16) static int errno_value = 0;
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EXTERNC int *__errno_location(void)
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{
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if (unlikely(!TaskManager || !thisThread))
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return &errno_value;
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return &thisThread->ErrorNumber;
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}
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char *strerror(int errnum)
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{
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if (errnum < 0)
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errnum = -errnum;
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switch (errnum)
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{
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case EOK:
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return (char *)"No error";
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case E2BIG:
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return (char *)"Argument list too long";
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case EACCES:
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return (char *)"Permission denied";
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case EADDRINUSE:
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return (char *)"Address in use";
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case EADDRNOTAVAIL:
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return (char *)"Address not available";
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case EAFNOSUPPORT:
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return (char *)"Address family not supported";
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case EAGAIN:
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return (char *)"Resource unavailable, try again";
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case EALREADY:
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return (char *)"Connection already in progress";
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case EBADF:
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return (char *)"Bad file descriptor";
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case EBADMSG:
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return (char *)"Bad message";
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case EBUSY:
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return (char *)"Device or resource busy";
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case ECANCELED:
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return (char *)"Operation canceled";
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case ECHILD:
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return (char *)"No child processes";
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case ECONNABORTED:
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return (char *)"Connection aborted";
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case ECONNREFUSED:
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return (char *)"Connection refused";
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case ECONNRESET:
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return (char *)"Connection reset";
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case EDEADLK:
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return (char *)"Resource deadlock would occur";
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case EDESTADDRREQ:
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return (char *)"Destination address required";
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case EDOM:
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return (char *)"Mathematics argument out of domain of function";
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case EDQUOT:
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return (char *)"Reserved";
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case EEXIST:
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return (char *)"File exists";
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case EFAULT:
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return (char *)"Bad address";
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case EFBIG:
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return (char *)"File too large";
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case EHOSTUNREACH:
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return (char *)"Host is unreachable";
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case EIDRM:
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return (char *)"Identifier removed";
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case EILSEQ:
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return (char *)"Illegal byte sequence";
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case EINPROGRESS:
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return (char *)"Operation in progress";
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case EINTR:
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return (char *)"Interrupted function";
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case EINVAL:
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return (char *)"Invalid argument";
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case EIO:
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return (char *)"I/O error";
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case EISCONN:
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return (char *)"Socket is connected";
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case EISDIR:
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return (char *)"Is a directory";
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case ELOOP:
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return (char *)"Too many levels of symbolic links";
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case EMFILE:
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return (char *)"File descriptor value too large";
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case EMLINK:
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return (char *)"Too many links";
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case EMSGSIZE:
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return (char *)"Message too large";
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case EMULTIHOP:
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return (char *)"Reserved";
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case ENAMETOOLONG:
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return (char *)"Filename too long";
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case ENETDOWN:
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return (char *)"Network is down";
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case ENETRESET:
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return (char *)"Connection aborted by network";
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case ENETUNREACH:
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return (char *)"Network unreachable";
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case ENFILE:
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return (char *)"Too many files open in system";
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case ENOBUFS:
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return (char *)"No buffer space available";
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case ENODATA:
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return (char *)"No message available on the STREAM head read queue";
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case ENODEV:
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return (char *)"No such device";
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case ENOENT:
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return (char *)"No such file or directory";
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case ENOEXEC:
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return (char *)"Executable file format error";
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case ENOLCK:
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return (char *)"No locks available";
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case ENOLINK:
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return (char *)"Reserved";
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case ENOMEM:
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return (char *)"Not enough space";
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case ENOMSG:
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return (char *)"No message of the desired type";
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case ENOPROTOOPT:
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return (char *)"Protocol not available";
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case ENOSPC:
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return (char *)"No space left on device";
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case ENOSR:
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return (char *)"No STREAM resources";
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case ENOSTR:
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return (char *)"Not a STREAM";
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case ENOSYS:
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return (char *)"Functionality not supported";
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case ENOTCONN:
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return (char *)"The socket is not connected";
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case ENOTDIR:
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return (char *)"Not a directory or a symbolic link to a directory";
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case ENOTEMPTY:
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return (char *)"Directory not empty";
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case ENOTRECOVERABLE:
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return (char *)"State not recoverable";
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case ENOTSOCK:
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return (char *)"Not a socket";
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case ENOTSUP:
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return (char *)"Not supported";
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case ENOTTY:
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return (char *)"Inappropriate I/O control operation";
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case ENXIO:
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return (char *)"No such device or address";
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case EOPNOTSUPP:
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return (char *)"Operation not supported on socket";
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case EOVERFLOW:
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return (char *)"Value too large to be stored in data type";
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case EOWNERDEAD:
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return (char *)"Previous owner died";
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case EPERM:
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return (char *)"Operation not permitted";
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case EPIPE:
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return (char *)"Broken pipe";
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case EPROTO:
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return (char *)"Protocol error";
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case EPROTONOSUPPORT:
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return (char *)"Protocol not supported";
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case EPROTOTYPE:
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return (char *)"Protocol wrong type for socket";
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case ERANGE:
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return (char *)"Result too large";
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case EROFS:
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return (char *)"Read-only file system";
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case ESPIPE:
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return (char *)"Invalid seek";
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case ESRCH:
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return (char *)"No such process";
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case ESTALE:
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return (char *)"Reserved";
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case ETIME:
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return (char *)"Stream ioctl() timeout";
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case ETIMEDOUT:
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return (char *)"Connection timed out";
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case ETXTBSY:
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return (char *)"Text file busy";
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case EWOULDBLOCK:
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return (char *)"Operation would block";
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case EXDEV:
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return (char *)"Cross-device link";
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default:
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return (char *)"Unknown error";
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}
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}
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