|KILLPG(2)||System Calls Manual||KILLPG(2)|
LIBRARY¶Standard C Library (libc, -lc)
pgrp, int sig);
killpg() function sends the signal sig to the process group pgrp. See sigaction(2) for a list of signals. If pgrp is 0,
killpg() sends the signal to the sending process's process group.
The sending process must be able to
at least one process in the receiving process group.
killpg() function returns the value 0 if successful; otherwise the value -1 is returned and the global variable errno is set to indicate the error.
killpg() function will fail and no signal will be sent if:
SEE ALSO¶getpgrp(2), kill(2), sigaction(2)
killpg() function appeared in 4.0BSD.
|March 15, 2012||Linux 4.19.0-10-amd64|