src/signal/killpg.c

   1 #include <signal.h>
   2 #include <errno.h>
   3
   4 int killpg(pid_t pgid, int sig)
   5 {
   6         if (pgid < 0) {
   7                 errno = EINVAL;
   8                 return -1;
   9         }
  10         return kill(-pgid, sig);
  11 }