diff options
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/kern/kern_sig.c | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/sys/kern/kern_sig.c b/sys/kern/kern_sig.c index c7a5f2623c9..a6cbb2ec8e3 100644 --- a/sys/kern/kern_sig.c +++ b/sys/kern/kern_sig.c @@ -1,4 +1,4 @@ -/* $OpenBSD: kern_sig.c,v 1.110 2010/06/29 00:28:14 tedu Exp $ */ +/* $OpenBSD: kern_sig.c,v 1.111 2010/06/29 02:46:43 tedu Exp $ */ /* $NetBSD: kern_sig.c,v 1.54 1996/04/22 01:38:32 christos Exp $ */ /* @@ -570,40 +570,41 @@ sys_kill(struct proc *cp, void *v, register_t *retval) } */ *uap = v; struct proc *p; struct pcred *pc = cp->p_cred; + int pid = SCARG(uap, pid); + int signum = SCARG(uap, signum); - if ((u_int)SCARG(uap, signum) >= NSIG) + if (((u_int)signum) >= NSIG) return (EINVAL); - if (SCARG(uap, pid) > 0) { + if (pid > 0) { enum signal_type type = SPROCESS; - if (SCARG(uap, pid) > THREAD_PID_OFFSET) { - if ((p = pfind(SCARG(uap, pid) - - THREAD_PID_OFFSET)) == NULL) + if (pid > THREAD_PID_OFFSET) { + if ((p = pfind(pid - THREAD_PID_OFFSET)) == NULL) return (ESRCH); if (p->p_flag & P_THREAD) return (ESRCH); type = STHREAD; } else { - if ((p = pfind(SCARG(uap, pid))) == NULL) + if ((p = pfind(pid)) == NULL) return (ESRCH); if (p->p_flag & P_THREAD) type = STHREAD; } /* kill single process */ - if (!cansignal(cp, pc, p, SCARG(uap, signum))) + if (!cansignal(cp, pc, p, signum)) return (EPERM); - if (SCARG(uap, signum)) - ptsignal(p, SCARG(uap, signum), type); + if (signum) + ptsignal(p, signum, type); return (0); } - switch (SCARG(uap, pid)) { + switch (pid) { case -1: /* broadcast signal */ - return (killpg1(cp, SCARG(uap, signum), 0, 1)); + return (killpg1(cp, signum, 0, 1)); case 0: /* signal own process group */ - return (killpg1(cp, SCARG(uap, signum), 0, 0)); + return (killpg1(cp, signum, 0, 0)); default: /* negative explicit process group */ - return (killpg1(cp, SCARG(uap, signum), -SCARG(uap, pid), 0)); + return (killpg1(cp, signum, -pid, 0)); } /* NOTREACHED */ } |