Top "Posix" questions

Using POSIX message queues instead of TCP sockets - how to establish "connection"?

I have client and server programs which now communicate via TCP. I'm trying out using POSIX message queues instead (in …

c connection client-server posix message-queue

POSIX Semaphores on Mac OS X: sem_timedwait alternative

I am trying to port a project (from linux) that uses Semaphores to Mac OS X however some of the …

macos unix posix semaphore

What size should I allow for strerror_r?

The OpenGroup POSIX.1-2001 defines strerror_r, as does The Linux Standard Base Core Specification 3.1. But I can find no …

c linux standards posix glibc

fseek passing negative offset and SEEK_CUR

I have a bad performance running fseek(..) in a very big file. Every time a call fseek function, I need …

c posix fseek

run a program in background with execvp system call in c

i'm writing a program that recieves a command name and arguments and optionally the string "bg" at the end , if …

linux system posix system-calls execvp

Constants not loaded by compiler

I started studying POSIX timers, so I started also doing some exercises, but I immediately had some problems with the …

c posix time.h

What is the difference between NPTL and POSIX threads?

What is the basic difference between NPTL and POSIX threads? How have these two evolved?

linux pthreads posix nptl

Why & How fish does not support POSIX?

I have heard about fish that it's a friendly and out-of-box shell but also it doesn't support POSIX standard. On …

shell posix fish

Monotonic clock on OSX

CLOCK_MONOTONIC does not seem available, so clock_gettime is out. I've read in some places that mach_absolute_time() …

objective-c macos posix clock timing

Generated public rsa key on mac for use with git, but can't locate it?

I'm on mac os X (new to it) and need to generate a public rsa key for use with git (…

git macos posix ssh-keys openssh