|SETSID(2)||System Calls Manual||SETSID(2)|
setsid() function creates a new session. The calling process is the session leader of the new session, is the process group leader of a new process group and has no controlling terminal. The calling process is the only process in either the session or the process group.
Upon successful completion, the
function returns the value of the process group ID of the new process group,
which is the same as the process ID of the calling process.
setsid() returns -1 and the global variable errno is set to indicate the error, as follows:
setsid() function is expected to be compliant with the IEEE Std 1003.1-2008 (“POSIX.1”) specification.
|May 31, 2015||OpenBSD-current|