linux errno 对应参考及代码

errno1:operation not permitted

errno2:no such file or directory

errno3:no such process

errno4:interrupted system call

errno5:input/output error

errno6:no such device or address

errno7:argument list too long

errno8:exec format error

errno9:bad file descriptor

errno 10:no child processes

errno 11:resource temporarily unavailable

errno 12:cannot allocate memory

errno 13:permission denied

errno 14:bad address

errno 15:block device required

errno 16:device or resource busy

errno 17:file exists

errno 18:invalid cross-device link

errno 19:no such device

errno 20:not a directory

errno 21:is a directory

errno 22:invalid argument

errno 23:too many open files in system

errno 24:too many open files

errno 25:inappropriate ioctl for device

errno 26:text file busy

errno 27:file too large

errno 28:no space left on device

errno 29:illegal seek

errno 30:read-only file system

errno 31:too many links

errno 32:broken pipe

errno 33:numerical argument out of domain

errno 34:numerical result out of range

errno 35:resource deadlock avoided

errno 36:file name too long

errno 37:no locks available

errno 38:function not implemented

errno 39:directory not empty

errno 40:too many levels of symbolic links

errno 41:errno 41

errno 42:no message of desired type

errno 43:identifier removed

errno 44:channel number out of range

errno 45:level 2 not synchronized

errno 46:level 3 halted

errno 47:level 3 reset

errno 48:link number out of range

errno 49:protocol driver not attached

errno 50:no CSI structure available

errno 51:level 2 halted

errno 52:invalid exchange

errno 53:invalid request descriptor

errno 54:exchange full

errno 55:no anode

errno 56:invalid request code

errno 57:invalid slot

errno 58:errno 58

errno 59:bad font file format

errno 60:device not a stream

errno 61:no data available

errno 62:timer expired

errno 63:out of streams resources

errno 64:machine is not on the network

errno 65:package not installed

errno 66:object is remote

errno 67:link has been severed

errno 68:advertise error

errno 69:srmount error

errno 70:communication error on send

errno 71:protocol error

errno 72:multihop attempted

errno 73:RFS specific error

errno 74:bad message

errno 75:value too large for defined data type

errno 76:name not unique on network

errno 77:file descriptor in bad state

errno 78:remote address changed

errno 79:can not access a needed shared library

errno 80:accessing a corrupted shared library

errno 81:.lib section in a.out corrupted

errno 82:attempting to link in too many shared libraries

errno 83:cannot exec a shared library directly

errno 84:invalid or incomplete multibyte or wide character

errno 85:interrupted system call should be restarted

errno 86:streams pipe error

errno 87:too many users

errno 88:socket operation on non-socket

errno 89:destination address required

errno 90:message too long

errno 91:protocol wrong type for socket

errno 92:protocol not available

errno 93:protocol not supported

errno 94:socket type not supported

errno 95:operation not supported

errno 96:protocol family not supported

errno 97:address family not supported by protocol

errno 98:address already in use

errno 99:cannot assign requested address

errno 100:network is down

errno 101:network is unreachable

errno 102:network dropped connection on reset

errno 103:software caused connection abort

errno 104:connection reset by peer

errno 105:no buffer space available

errno 106:transport endpoint is already connected

errno 107:transport endpoint is not connected

errno 108:cannot send after transport endpoint shutdown

errno 109:too many references: cannot splice

errno 110:connection timed out

errno 111:connection refused

errno 112:host is down

errno 113:no route to host

errno 114:operation already in progress

errno 115:operation now in progress

errno 116:stale NFS file handle

errno 117:structure needs cleaning

errno 118:not a XENIX named type file

errno 119:no XENIX semaphores available

errno 120:is a named type file

errno 121:remote I/O error

errno 122:disk quota exceeded

errno 123:no medium found

errno 124:wrong medium type

errno 125:operation canceled

errno 126:required key not available

errno 127:key has expired

errno 128:key has been revoked

errno 129:key was rejected by service

errno 130:owner died

errno 131:state not recoverable

errno 132:operation not possible due to RF-kill

三个三个一组看：

1 第一段表示文件所有者对此文件的 *** 作权限

2 第二段表示文件所有者所在组对些文件的 *** 作权限

3 第三段表示除上述两种外的任何用户/组对此文件的 *** 作权限

x执行：1

r写入：2

w读取：4

加起来就好了。

比如rwxrwxrwx是777

rwx------ 是700

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