1 #include "lib.h" 2 #include <unistd.h> 3 #include "sys9.h" 4 5 pid_t 6 setsid(void) 7 { 8 if(_RFORK(RFNAMEG|RFNOTEG) < 0){ 9 _syserrno(); 10 return -1; 11 } 12 _sessleader = 1; 13 return getpgrp(); 14 } 15