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Manpages KILLPGSection: Linux Programmer's Manual (2)Updated: 1993-07-23 Index Return to Main Contents NAMEkillpg - send signal to a process groupSYNOPSIS#include <signal.h>int killpg(int pgrp, int sig); DESCRIPTIONKillpg 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 and members of the process group must have the same effective user ID, or the sender must be the super-user. As a single special case the continue signal SIGCONT may be sent to any process that is a descendant of the current process. RETURN VALUEOn success, zero is returned. On error, -1 is returned, and errno is set appropriately.ERRORS
CONFORMING TOSVr4, 4.4BSD (The killpg function call first appeared in 4.0BSD).SEE ALSOkill(2), getpgrp(2), signal(2)
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