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Kernel+LibC: Turn errno codes into a strongly typed enum

..and allow implicit creation of KResult and KResultOr from ErrnoCode.
This means that kernel functions that return those types can finally
do "return EINVAL;" and it will just work.

There's a handful of functions that still deal with signed integers
that should be converted to return KResults.
This commit is contained in:
Andreas Kling 2021-01-20 23:11:17 +01:00
parent e279b45aed
commit 19d3f8cab7
48 changed files with 591 additions and 506 deletions

View file

@ -26,78 +26,155 @@
#pragma once
#define EPERM 1
#define ENOENT 2
#define ESRCH 3
#define EINTR 4
#define EIO 5
#define ENXIO 6
#define E2BIG 7
#define ENOEXEC 8
#define EBADF 9
#define ECHILD 10
#define EAGAIN 11
#define ENOMEM 12
#define EACCES 13
#define EFAULT 14
#define ENOTBLK 15
#define EBUSY 16
#define EEXIST 17
#define EXDEV 18
#define ENODEV 19
#define ENOTDIR 20
#define EISDIR 21
#define EINVAL 22
#define ENFILE 23
#define EMFILE 24
#define ENOTTY 25
#define ETXTBSY 26
#define EFBIG 27
#define ENOSPC 28
#define ESPIPE 29
#define EROFS 30
#define EMLINK 31
#define EPIPE 32
#define ERANGE 33
#define ENAMETOOLONG 34
#define ELOOP 35
#define EOVERFLOW 36
#define EOPNOTSUPP 37
#define ENOSYS 38
#define ENOTIMPL 39
#define EAFNOSUPPORT 40
#define ENOTSOCK 41
#define EADDRINUSE 42
#define EWHYTHO 43
#define ENOTEMPTY 44
#define EDOM 45
#define ECONNREFUSED 46
#define EADDRNOTAVAIL 47
#define EISCONN 48
#define ECONNABORTED 49
#define EALREADY 50
#define ECONNRESET 51
#define EDESTADDRREQ 52
#define EHOSTUNREACH 53
#define EILSEQ 54
#define EMSGSIZE 55
#define ENETDOWN 56
#define ENETUNREACH 57
#define ENETRESET 58
#define ENOBUFS 59
#define ENOLCK 60
#define ENOMSG 61
#define ENOPROTOOPT 62
#define ENOTCONN 63
#define EWOULDBLOCK 64
#define EPROTONOSUPPORT 65
#define EDEADLK 66
#define ETIMEDOUT 67
#define EPROTOTYPE 68
#define EINPROGRESS 69
#define ENOTHREAD 70
#define EPROTO 71
#define ENOTSUP 72
#define EPFNOSUPPORT 73
#define EDIRINTOSELF 74
#define EMAXERRNO 75
enum ErrnoCode {
EPERM = 1,
#define EPERM EPERM
ENOENT,
#define ENOENT ENOENT
ESRCH,
#define ESRCH ESRCH
EINTR,
#define EINTR EINTR
EIO,
#define EIO EIO
ENXIO,
#define ENXIO ENXIO
E2BIG,
#define E2BIG E2BIG
ENOEXEC,
#define ENOEXEC ENOEXEC
EBADF,
#define EBADF EBADF
ECHILD,
#define ECHILD ECHILD
EAGAIN,
#define EAGAIN EAGAIN
ENOMEM,
#define ENOMEM ENOMEM
EACCES,
#define EACCES EACCES
EFAULT,
#define EFAULT EFAULT
ENOTBLK,
#define ENOTBLK ENOTBLK
EBUSY,
#define EBUSY EBUSY
EEXIST,
#define EEXIST EEXIST
EXDEV,
#define EXDEV EXDEV
ENODEV,
#define ENODEV ENODEV
ENOTDIR,
#define ENOTDIR ENOTDIR
EISDIR,
#define EISDIR EISDIR
EINVAL,
#define EINVAL EINVAL
ENFILE,
#define ENFILE ENFILE
EMFILE,
#define EMFILE EMFILE
ENOTTY,
#define ENOTTY ENOTTY
ETXTBSY,
#define ETXTBSY ETXTBSY
EFBIG,
#define EFBIG EFBIG
ENOSPC,
#define ENOSPC ENOSPC
ESPIPE,
#define ESPIPE ESPIPE
EROFS,
#define EROFS EROFS
EMLINK,
#define EMLINK EMLINK
EPIPE,
#define EPIPE EPIPE
ERANGE,
#define ERANGE ERANGE
ENAMETOOLONG,
#define ENAMETOOLONG ENAMETOOLONG
ELOOP,
#define ELOOP ELOOP
EOVERFLOW,
#define EOVERFLOW EOVERFLOW
EOPNOTSUPP,
#define EOPNOTSUPP EOPNOTSUPP
ENOSYS,
#define ENOSYS ENOSYS
ENOTIMPL,
#define ENOTIMPL ENOTIMPL
EAFNOSUPPORT,
#define EAFNOSUPPORT EAFNOSUPPORT
ENOTSOCK,
#define ENOTSOCK ENOTSOCK
EADDRINUSE,
#define EADDRINUSE EADDRINUSE
EWHYTHO,
#define EWHYTHO EWHYTHO
ENOTEMPTY,
#define ENOTEMPTY ENOTEMPTY
EDOM,
#define EDOM EDOM
ECONNREFUSED,
#define ECONNREFUSED ECONNREFUSED
EADDRNOTAVAIL,
#define EADDRNOTAVAIL EADDRNOTAVAIL
EISCONN,
#define EISCONN EISCONN
ECONNABORTED,
#define ECONNABORTED ECONNABORTED
EALREADY,
#define EALREADY EALREADY
ECONNRESET,
#define ECONNRESET ECONNRESET
EDESTADDRREQ,
#define EDESTADDRREQ EDESTADDRREQ
EHOSTUNREACH,
#define EHOSTUNREACH EHOSTUNREACH
EILSEQ,
#define EILSEQ EILSEQ
EMSGSIZE,
#define EMSGSIZE EMSGSIZE
ENETDOWN,
#define ENETDOWN ENETDOWN
ENETUNREACH,
#define ENETUNREACH ENETUNREACH
ENETRESET,
#define ENETRESET ENETRESET
ENOBUFS,
#define ENOBUFS ENOBUFS
ENOLCK,
#define ENOLCK ENOLCK
ENOMSG,
#define ENOMSG ENOMSG
ENOPROTOOPT,
#define ENOPROTOOPT ENOPROTOOPT
ENOTCONN,
#define ENOTCONN ENOTCONN
EWOULDBLOCK,
#define EWOULDBLOCK EWOULDBLOCK
EPROTONOSUPPORT,
#define EPROTONOSUPPORT EPROTONOSUPPORT
EDEADLK,
#define EDEADLK EDEADLK
ETIMEDOUT,
#define ETIMEDOUT ETIMEDOUT
EPROTOTYPE,
#define EPROTOTYPE EPROTOTYPE
EINPROGRESS,
#define EINPROGRESS EINPROGRESS
ENOTHREAD,
#define ENOTHREAD ENOTHREAD
EPROTO,
#define EPROTO EPROTO
ENOTSUP,
#define ENOTSUP ENOTSUP
EPFNOSUPPORT,
#define EPFNOSUPPORT EPFNOSUPPORT
EDIRINTOSELF,
#define EDIRINTOSELF EDIRINTOSELF
EMAXERRNO,
#define EMAXERRNO EMAXERRNO
};