Top "Errno" questions

OSError's filename attribute unavailable?

I have the following code: except(OSError) as (errno, strerror, filename): print "OSError [%d]: %s at %s" % (errno, strerror, filename) …

python exception-handling errno

SO_ERROR vs. errno

For getting socket syscall (like recv) error, which is better (at performance level) ? Use the plain old errno Or use …

c sockets unix errno getsockopt

Why can't errno's value be printed?

I am looking at the following code in an SO "Low Quality" post to make sure the sample works, and …

c gdb errno

Protractor Process exited with error code 100

I'm trying to setup protractor on different computer. It is using the same files with my other computer (cannot be …

protractor webdriver errno

IOCTL call and checking return value

if((err = ioctl(fd, IOC_CARD_LOCK, &lock)) < 0) { printf("ioctl failed and returned errno %d \n",err); } Is …

ioctl errno

ValueError:PyCapsule_GetPointer called with incorrect name with <from PyQt5.QtWebEngineWidgets import QWebEnginePage>

This is already solved by myself but I put this question for someone else. I think this kind of problem …

anaconda pyqt5 python-3.6 spyder errno

Return Code on failure. Positive or negative?

a C-programm can fail to execute under special circumstances in Linux. Example: You allocate some space and the OS denies …

c linux return errno

Simple messaging application...getting errno 14: bad address

I am writing a simple messaging application in C using sockets. When I use function recvfrom, it returns -1 and …

c sockets errno

How to catch Errno::ECONNRESET class in "case when"?

My application (Ruby 1.9.2) may raise different exceptions, including net-connection breaks. I rescue Exception => e, then do case/when to …

ruby exception-handling case errno

Difference between Linux errno 23 and Linux errno 24

What is the difference between these 2 linux errors in errno.h? 23 and 24 I tried 2 different sites but can't understand difference …

c linux sockets error-code errno