181 	struct pid *pgrp;  in SYSCALL_DEFINE3()
251 	struct pid *pgrp;  in SYSCALL_DEFINE2()
849 	int pid;  in SYSCALL_DEFINE0()  local
852 	pid = task_tgid_vnr(rcu_dereference(current->real_parent));  in SYSCALL_DEFINE0()
855 	return pid;  in SYSCALL_DEFINE0()
919 SYSCALL_DEFINE2(setpgid, pid_t, pid, pid_t, pgid)  in SYSCALL_DEFINE2()  argument
923 	struct pid *pgrp;  in SYSCALL_DEFINE2()
926 	if (!pid)  in SYSCALL_DEFINE2()
927 		pid = task_pid_vnr(group_leader);  in SYSCALL_DEFINE2()
929 		pgid = pid;  in SYSCALL_DEFINE2()
940 	p = find_task_by_vpid(pid);  in SYSCALL_DEFINE2()
966 	if (pgid != pid) {  in SYSCALL_DEFINE2()
990 SYSCALL_DEFINE1(getpgid, pid_t, pid)  in SYSCALL_DEFINE1()  argument
993 	struct pid *grp;  in SYSCALL_DEFINE1()
997 	if (!pid)  in SYSCALL_DEFINE1()
1001 		p = find_task_by_vpid(pid);  in SYSCALL_DEFINE1()
1027 SYSCALL_DEFINE1(getsid, pid_t, pid)  in SYSCALL_DEFINE1()  argument
1030 	struct pid *sid;  in SYSCALL_DEFINE1()
1034 	if (!pid)  in SYSCALL_DEFINE1()
1038 		p = find_task_by_vpid(pid);  in SYSCALL_DEFINE1()
1055 static void set_special_pids(struct pid *pid)  in set_special_pids()  argument
1059 	if (task_session(curr) != pid)  in set_special_pids()
1060 		change_pid(curr, PIDTYPE_SID, pid);  in set_special_pids()
1062 	if (task_pgrp(curr) != pid)  in set_special_pids()
1063 		change_pid(curr, PIDTYPE_PGID, pid);  in set_special_pids()
1069 	struct pid *sid = task_pid(group_leader);  in SYSCALL_DEFINE0()
1448 SYSCALL_DEFINE4(prlimit64, pid_t, pid, unsigned int, resource,  in SYSCALL_DEFINE4()  argument
1464 	tsk = pid ? find_task_by_vpid(pid) : current;  in SYSCALL_DEFINE4()