When opening a file with O_CREAT set, the file in question will be created if it does not already exist. I want special action to be taken only if the file is n
I want to delete all the messages from the POSIX message queue. I searched on the internet but I didn't find any way to do it instead I found the way to delete
Ignoring some details there are two low-level SHM APIs available for in Linux. We have the older (e.g System V IPC vs POSIX IPC) SysV interface using: ftok shmc
I'm developing on windows, but need to know how to convert a windows path (with backslashes \) into a POSIX path with forward slashes (/)? My goal is to conver
The way the Linux kernel handle time is somewhat complicated as it uses different source of time, and regularly resynchronize everything. There are command-line
Can someone please suggest how can I retrieve linux time using struct timespec ts type? It just gives me time since Epoch. Can I get the actual Linux tim
The file actions of posix_spawn describe the setup code for the child process before it might run execve (which deletes stack etc). The intended use case is to
Is the default separator only space for awk?
Below is excerpted from linux kernel: /* * "id" is the POSIX thread ID. We use the * files pointer for this.. */ int filp_close(struct file *filp, fl_owner_
In pure /bin/sh how can I distinguish between an empty variable, an unset variable and a not existing (not defined) variable. Here are the case: # Case 1: not
In pure /bin/sh how can I distinguish between an empty variable, an unset variable and a not existing (not defined) variable. Here are the case: # Case 1: not
In pure /bin/sh how can I distinguish between an empty variable, an unset variable and a not existing (not defined) variable. Here are the case: # Case 1: not
In pure /bin/sh how can I distinguish between an empty variable, an unset variable and a not existing (not defined) variable. Here are the case: # Case 1: not