If a process exists but has a different uid than the killer it should return

EPERM rather than ESRCH. (Bill Shanon)

SCCS-vsn: sys/kern/kern_sig.c 6.2

diff --git a/usr/src/sys/kern/kern_sig.c b/usr/src/sys/kern/kern_sig.c
index 99800df..07a8467 100644 (file)
--- a/usr/src/sys/kern/kern_sig.c
+++ b/usr/src/sys/kern/kern_sig.c
@@ -1,4 +1,4 @@
-/*     kern_sig.c      6.1     83/08/20        */
+/*     kern_sig.c      6.2     83/09/08        */

 
 #include "../machine/reg.h"
 #include "../machine/pte.h"
 
 #include "../machine/reg.h"
 #include "../machine/pte.h"


@@ -205,8 +205,10 @@ kill1(ispgrp, signo, who)
                return (EINVAL);
        if (who > 0 && !ispgrp) {
                p = pfind(who);
                return (EINVAL);
        if (who > 0 && !ispgrp) {
                p = pfind(who);

-               if (p == 0 || u.u_uid && u.u_uid != p->p_uid)
+               if (p == 0)

                        return (ESRCH);
                        return (ESRCH);

+               if (u.u_uid && u.u_uid != p->p_uid)
+                       return (EPERM);

                if (signo)
                        psignal(p, signo);
                return (0);
                if (signo)
                        psignal(p, signo);
                return (0);