Date: 2011sep30 Level: beginner Language: C/C++ Keywords: pid, ppid Q. How do I obtain the ID of the current process? A. On Windows:

DWORD dwPid = GetCurrentProcessId();

On Linux:

pid_t pid = getpid();

There is also getppid() for getting your parent's ID. Among other things, the process ID is useful for making unique temporary file names.