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// Copyright 2023 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build wasip1
package syscall
import "runtime"
// TODO: Auto-generate some day. (Hard-coded in binaries so not likely to change.)
const (
E2BIG Errno = 1
EACCES Errno = 2
EADDRINUSE Errno = 3
EADDRNOTAVAIL Errno = 4
EAFNOSUPPORT Errno = 5
EAGAIN Errno = 6
EALREADY Errno = 7
EBADF Errno = 8
EBADMSG Errno = 9
EBUSY Errno = 10
ECANCELED Errno = 11
ECHILD Errno = 12
ECONNABORTED Errno = 13
ECONNREFUSED Errno = 14
ECONNRESET Errno = 15
EDEADLK Errno = 16
EDESTADDRREQ Errno = 17
EDOM Errno = 18
EDQUOT Errno = 19
EEXIST Errno = 20
EFAULT Errno = 21
EFBIG Errno = 22
EHOSTUNREACH Errno = 23
EIDRM Errno = 24
EILSEQ Errno = 25
EINPROGRESS Errno = 26
EINTR Errno = 27
EINVAL Errno = 28
EIO Errno = 29
EISCONN Errno = 30
EISDIR Errno = 31
ELOOP Errno = 32
EMFILE Errno = 33
EMLINK Errno = 34
EMSGSIZE Errno = 35
EMULTIHOP Errno = 36
ENAMETOOLONG Errno = 37
ENETDOWN Errno = 38
ENETRESET Errno = 39
ENETUNREACH Errno = 40
ENFILE Errno = 41
ENOBUFS Errno = 42
ENODEV Errno = 43
ENOENT Errno = 44
ENOEXEC Errno = 45
ENOLCK Errno = 46
ENOLINK Errno = 47
ENOMEM Errno = 48
ENOMSG Errno = 49
ENOPROTOOPT Errno = 50
ENOSPC Errno = 51
ENOSYS Errno = 52
ENOTCONN Errno = 53
ENOTDIR Errno = 54
ENOTEMPTY Errno = 55
ENOTRECOVERABLE Errno = 56
ENOTSOCK Errno = 57
ENOTSUP Errno = 58
ENOTTY Errno = 59
ENXIO Errno = 60
EOVERFLOW Errno = 61
EOWNERDEAD Errno = 62
EPERM Errno = 63
EPIPE Errno = 64
EPROTO Errno = 65
EPROTONOSUPPORT Errno = 66
EPROTOTYPE Errno = 67
ERANGE Errno = 68
EROFS Errno = 69
ESPIPE Errno = 70
ESRCH Errno = 71
ESTALE Errno = 72
ETIMEDOUT Errno = 73
ETXTBSY Errno = 74
EXDEV Errno = 75
ENOTCAPABLE Errno = 76
EBADFD Errno = 77
// needed by src/net/error_unix_test.go
EOPNOTSUPP = ENOTSUP
)
// TODO: Auto-generate some day. (Hard-coded in binaries so not likely to change.)
var errorstr = [...]string{
E2BIG: "Argument list too long",
EACCES: "Permission denied",
EADDRINUSE: "Address already in use",
EADDRNOTAVAIL: "Address not available",
EAFNOSUPPORT: "Address family not supported by protocol family",
EAGAIN: "Try again",
EALREADY: "Socket already connected",
EBADF: "Bad file number",
EBADFD: "file descriptor in bad state",
EBADMSG: "Trying to read unreadable message",
EBUSY: "Device or resource busy",
ECANCELED: "Operation canceled.",
ECHILD: "No child processes",
ECONNABORTED: "Connection aborted",
ECONNREFUSED: "Connection refused",
ECONNRESET: "Connection reset by peer",
EDEADLK: "Deadlock condition",
EDESTADDRREQ: "Destination address required",
EDOM: "Math arg out of domain of func",
EDQUOT: "Quota exceeded",
EEXIST: "File exists",
EFAULT: "Bad address",
EFBIG: "File too large",
EHOSTUNREACH: "Host is unreachable",
EIDRM: "Identifier removed",
EILSEQ: "EILSEQ",
EINPROGRESS: "Connection already in progress",
EINTR: "Interrupted system call",
EINVAL: "Invalid argument",
EIO: "I/O error",
EISCONN: "Socket is already connected",
EISDIR: "Is a directory",
ELOOP: "Too many symbolic links",
EMFILE: "Too many open files",
EMLINK: "Too many links",
EMSGSIZE: "Message too long",
EMULTIHOP: "Multihop attempted",
ENAMETOOLONG: "File name too long",
ENETDOWN: "Network interface is not configured",
ENETRESET: "Network dropped connection on reset",
ENETUNREACH: "Network is unreachable",
ENFILE: "File table overflow",
ENOBUFS: "No buffer space available",
ENODEV: "No such device",
ENOENT: "No such file or directory",
ENOEXEC: "Exec format error",
ENOLCK: "No record locks available",
ENOLINK: "The link has been severed",
ENOMEM: "Out of memory",
ENOMSG: "No message of desired type",
ENOPROTOOPT: "Protocol not available",
ENOSPC: "No space left on device",
ENOSYS: "Not implemented on " + runtime.GOOS,
ENOTCONN: "Socket is not connected",
ENOTDIR: "Not a directory",
ENOTEMPTY: "Directory not empty",
ENOTRECOVERABLE: "State not recoverable",
ENOTSOCK: "Socket operation on non-socket",
ENOTSUP: "Not supported",
ENOTTY: "Not a typewriter",
ENXIO: "No such device or address",
EOVERFLOW: "Value too large for defined data type",
EOWNERDEAD: "Owner died",
EPERM: "Operation not permitted",
EPIPE: "Broken pipe",
EPROTO: "Protocol error",
EPROTONOSUPPORT: "Unknown protocol",
EPROTOTYPE: "Protocol wrong type for socket",
ERANGE: "Math result not representable",
EROFS: "Read-only file system",
ESPIPE: "Illegal seek",
ESRCH: "No such process",
ESTALE: "Stale file handle",
ETIMEDOUT: "Connection timed out",
ETXTBSY: "Text file busy",
EXDEV: "Cross-device link",
ENOTCAPABLE: "Capabilities insufficient",
}
// Do the interface allocations only once for common
// Errno values.
var (
errEAGAIN error = EAGAIN
errEINVAL error = EINVAL
errENOENT error = ENOENT
)
// errnoErr returns common boxed Errno values, to prevent
// allocations at runtime.
//
// We set both noinline and nosplit to reduce code size, this function has many
// call sites in the syscall package, inlining it causes a significant increase
// of the compiled code; the function call ultimately does not make a difference
// in the performance of syscall functions since the time is dominated by calls
// to the imports and path resolution.
//
//go:noinline
//go:nosplit
func errnoErr(e Errno) error {
switch e {
case 0:
return nil
case EAGAIN:
return errEAGAIN
case EINVAL:
return errEINVAL
case ENOENT:
return errENOENT
}
return e
}
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