errno

When UNIX system-level functions encounter errors, they typically return-1, and set the global integer variable errno to indicate what went wrong.Read the Redis source code, found that if the system-level function error when the errno more familiar

When a Unix function fails, a negative number is often returned, and the integer errno is usually set to a value containing additional information. For example, if the open function is successful, a non-negative file descriptor is returned, if an

Copyright statement: reprinted in the form of hyperlink to indicate the original source and author information and this statement http://www.blogbus.com/wzgyantai-logs/24470871.html When the C api function in linux encounters an exception, the

All along, the personal concept of only non-blocking socket will produce eagain error, meaning is currently not read and write, as long as you continue to try again. When we recently redis an error in the module to correct this concept of my mistake.

Many library functions, especially those related to the operating system, will notify the program that the function call fails when the execution fails through an external variable named errno. The following code uses this feature for error

When the C API function in Linux exception, the errno variable (need include errno.h) is usually assigned an integer value, different values represent different meanings, you can see the reason for this value speculation, in the actual programming

errno defined in , the error Exx macro is defined in the Errno-base.h and errno.h under the/usr/include/asm-generic folder, respectively, defining the 1-34, 35-132 error definitions.The strerror () function returns an error description string based

The most recent user's database has the following error: IoctlASYNC_CONFIGerror, errno11 environment is as follows: HP-UX11.31, ORACLE10.2.0.5.7 metali The most recent user's database has the following error: Ioctl ASYNC_CONFIG error, errno = 11

Solution: http://wb127.blog.51cto.com/2232662/401732 # Mount-t nfs 196.168.6.5:/home/opensips/develop/working/qte_yaffs/testRpcbind: Server localhost not responding, timed outRPC: failed to contact local rpcbind server (errno 5 ).Rpcbind: Server

Errno is in defined in, the macro of the error Exx is defined in the errno-base.h and errno under the/usr/include/asm-generic folder. h. Definitions of errors 1-34 and 35-132 are defined respectively. The strerror () function returns the error

/usr/include/asm-generic/errno-base.h /usr/include/asm-generic/errno.h You can obtain an error description using the following procedure: Strerror (errno): Get errno corresponding error /**************************** Get error code description ****

Python prompts [Errno 32] How to Solve the thread crash error caused by Broken pipe, errnocrash This example describes how to solve the thread crash error caused by the Python prompt [Errno 32] Broken pipe. Share it with you for your reference. The

C There are three forms of error reporting usage in the Language standard library. 1 , errnoerrno in the The header file is defined in the following#ifndef Errnoextern int errno; #endif external variable errno implementation-defined error

ZeroMQ Official Address: Http://api.zeromq.org/4-0:zmq_errnoZmq_errno (3) ØMQ Manual-ømq/3.2.5Namezmq_errno– returns the value of errno to the thread that called this functionSynopsisint zmq_errno (void);DescriptionThe function Zmq_errno () returns

The code is as follows Copy Code [root@rhel64-a redhat60as_26x86_64]# Service CVFs start Initiating start of StorNext DSM component Checking Maintenance License ...-The maintenance license status Is:good [OK] Initializing StorNext

Pymongo.errors.ConnectionFailure: [Errno 10054] Pymongo.errors.ConnectionFailure: [Errno 10065] Today connection MongoDB suddenly appear this kind of mistake, looked for a half-day also did not find out the problem, Ping IP also appeared

Warning: rpmts_hdrfromfdno: Header V3 RSA/sha256 signature, key ID 0608b895: nokey Retrieving key from file: // etc/pki/rpm-GPG/RPM-GPG-KEY-EPEL-6 GPG key retrieval failed: [errno 14] cocould not open/Read File: // etc/pki/rpm-GPG/RPM-GPG-KEY-EPEL-6

Errno. H --  Query Checking the error code errno is an important way to debug the program. When the linuc c api function is abnormal, The errno variable (including Errno. h) assign an integer. Different values indicate different meanings. You can

The strerror () function returns the error description String Based on the errno value. The following program prints the comparison table: Code highlighting produced by Actipro CodeHighlighter (freeware)Http://www.CodeHighlighter.com/ -> 01. #

RHEL 5.7 Yum configuration local source [Errno 2] No such file or directory When configuring the YUM local source on Red Hat Enterprise Linux Server release 5.7, you encounter "Errno 5] OSError: [Errno 2] No such file or directory xxxx ", it took