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KILLPG Section: Linux Programmer's Manual (3) Updated: April 4, 2025 Index   NAME killpg - send signal to all members of a process group.   SYNOPSIS #include <signal.h> int killpg(pid_t pidgrp, int signal);   DESCRIPTION The killpg() function causes signal signal to be sent to all the processes in the process group pidgrp or to the processes' own process group if pidgrp is equal to zero. It is equivalent to kill(-pidgrp,signal);   RETURN VALUE The value returned is -1 on error, or 0 for success.   ERRORS Errors are returned in errno and can be one of the following: EINVAL for an invalid signal, ESRCH for a process group which does not exist, and EPERM if the userid of the calling process is not equal to that of the process the signal is sent to, and the userid is not that of the superuser.   CONFORMING TO ???   SEE ALSO   Index NAME SYNOPSIS DESCRIPTION RETURN VALUE ERRORS CONFORMING TO SEE ALSO This document was created by using the manual pages. Time: 11:58:04 GMT, March 24, 2025

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