c++ Programming Glossary: flock

http://stackoverflow.com/questions/1599459/optimal-lock-file-method

share improve this question You should probably be using flock as in fd open filename O_RDWR O_CREAT 0666 open or create lockfile.. 0666 open or create lockfile check open success... rc flock fd LOCK_EX LOCK_NB grab exclusive lock fail if can't obtain...

How to make a function async-signal-save?

http://stackoverflow.com/questions/16967365/how-to-make-a-function-async-signal-save

int sig printf EXIT TERM signal Received n int rc flock pid_file LOCK_UN LOCK_NB if rc char piderr PID file unlock failed.. s n piderr printf piderr abort Some one told me that flock and printf aren't async signal save. And I could not find an.. could not find an alternate async signal save function for flock in this list . and according to the above link when a signal..

Preventing multiple process instances on Linux

http://stackoverflow.com/questions/2964391/preventing-multiple-process-instances-on-linux

lock on it. If you open it for reading writing and flock it with LOCK_EX LOCK_NB it will fail if the file is already..

Using std:fstream how to deny access (read and write) to the file

http://stackoverflow.com/questions/839856/using-stdfstream-how-to-deny-access-read-and-write-to-the-file

you can use CreateFile or LockFileEx . On Linux there is flock lockf and fcntl as the previous commenter said . If you are..