killpg - send signal to a process group
int killpg(pid_t pgrp, int sig);
The killpg() function sends the signal sig to the process
group pgrp. See signal(3HEAD) for a list of signals.
The real or effective user ID of the sending process must
match the real or saved set-user ID of the receiving pro-
cess, unless the effective user ID of the sending process is
the privileged user. A single exception is the signal
SIGCONT, which may always be sent to any descendant of the
Upon successful completion, 0 is returned. Otherwise, -1 is
returned and errno is set to indicate the error.
The killpg() function will fail and no signal will be sent
The sig argument is not a valid signal number.
EPERM The effective user ID of the sending process is not
privileged user, and neither its real nor effective
user ID matches the real or saved set-user ID of one
or more of the target processes.
ESRCH No processes were found in the specified process
See attributes(5) for descriptions of the following attri-
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
| MT-Level | MT-Safe |
kill(2), setpgrp(2), sigaction(2), signal(3HEAD), attri-
Man(1) output converted with