211 SYSCALL_DEFINE3(setpriority, int, which, int, who, int, niceval)  in SYSCALL_DEFINE3()  argument
233 		if (who)  in SYSCALL_DEFINE3()
234 			p = find_task_by_vpid(who);  in SYSCALL_DEFINE3()
241 		if (who)  in SYSCALL_DEFINE3()
242 			pgrp = find_vpid(who);  in SYSCALL_DEFINE3()
252 		uid = make_kuid(cred->user_ns, who);  in SYSCALL_DEFINE3()
254 		if (!who)  in SYSCALL_DEFINE3()
281 SYSCALL_DEFINE2(getpriority, int, which, int, who)  in SYSCALL_DEFINE2()  argument
296 		if (who)  in SYSCALL_DEFINE2()
297 			p = find_task_by_vpid(who);  in SYSCALL_DEFINE2()
307 		if (who)  in SYSCALL_DEFINE2()
308 			pgrp = find_vpid(who);  in SYSCALL_DEFINE2()
320 		uid = make_kuid(cred->user_ns, who);  in SYSCALL_DEFINE2()
322 		if (!who)  in SYSCALL_DEFINE2()
1047  * understand sessions/pgrp etc. Let somebody who does explain it.
1763 void getrusage(struct task_struct *p, int who, struct rusage *r)  in getrusage()  argument
1773 	if (who == RUSAGE_THREAD) {  in getrusage()
1783 	switch (who) {  in getrusage()
1796 		if (who == RUSAGE_CHILDREN)  in getrusage()
1827 	if (who != RUSAGE_CHILDREN) {  in getrusage()
1838 SYSCALL_DEFINE2(getrusage, int, who, struct rusage __user *, ru)  in SYSCALL_DEFINE2()  argument
1842 	if (who != RUSAGE_SELF && who != RUSAGE_CHILDREN &&  in SYSCALL_DEFINE2()
1843 	    who != RUSAGE_THREAD)  in SYSCALL_DEFINE2()
1846 	getrusage(current, who, &r);  in SYSCALL_DEFINE2()
1851 COMPAT_SYSCALL_DEFINE2(getrusage, int, who, struct compat_rusage __user *, ru)  in COMPAT_SYSCALL_DEFINE2()  argument
1855 	if (who != RUSAGE_SELF && who != RUSAGE_CHILDREN &&  in COMPAT_SYSCALL_DEFINE2()
1856 	    who != RUSAGE_THREAD)  in COMPAT_SYSCALL_DEFINE2()
1859 	getrusage(current, who, &r);  in COMPAT_SYSCALL_DEFINE2()