Qt : QProcess get PID

Qt : QProcess get PID

In computing, the process identifier (normally referred to as the process ID or just PID) is a number used by most operating system kernels (such as that of UNIX, Mac OS X or Microsoft Windows) to (temporarily) uniquely identify a process. This number may be used as a parameter in various function calls allowing processes to be manipulated, such as adjusting the process’s priority or killing it altogether (wikipedia).

From this post, I try to write how Qt with QProcess get PID. We can show QProces get PID with use command :

This function will Returns the native process identifier for the running process, if available. If no process is currently running, 0 is returned. This is screenshot my program Qt : QProcess get PID :

QProcess get PID
Qt : QProcess get PID

Continue reading