diff options
Diffstat (limited to 'sys/kern/kern_sig.c')
| -rw-r--r-- | sys/kern/kern_sig.c | 32 |
1 files changed, 29 insertions, 3 deletions
diff --git a/sys/kern/kern_sig.c b/sys/kern/kern_sig.c index e0e40b77809d..8450e1c2f588 100644 --- a/sys/kern/kern_sig.c +++ b/sys/kern/kern_sig.c @@ -31,7 +31,7 @@ * SUCH DAMAGE. * * from: @(#)kern_sig.c 7.35 (Berkeley) 6/28/91 - * $Id: kern_sig.c,v 1.5 1993/10/16 15:24:27 rgrimes Exp $ + * $Id: kern_sig.c,v 1.9 1993/12/19 00:51:30 wollman Exp $ */ #define SIGPROP /* include signal properties table */ @@ -59,6 +59,11 @@ #include "kinfo_proc.h" #include "user.h" /* for coredump */ +static void setsigvec(struct proc *, int, struct sigaction *); +static void stop(struct proc *); +static void sigexit(struct proc *, int); +static int killpg1(struct proc *, int, int, int); + /* * Can process p, with pcred pc, send the signal signo to process q? */ @@ -77,6 +82,7 @@ struct sigaction_args { }; /* ARGSUSED */ +int sigaction(p, uap, retval) struct proc *p; register struct sigaction_args *uap; @@ -116,6 +122,7 @@ sigaction(p, uap, retval) return (0); } +void setsigvec(p, sig, sa) register struct proc *p; int sig; @@ -229,6 +236,7 @@ struct sigprocmask_args { sigset_t mask; }; +int sigprocmask(p, uap, retval) register struct proc *p; struct sigprocmask_args *uap; @@ -261,6 +269,7 @@ sigprocmask(p, uap, retval) } /* ARGSUSED */ +int sigpending(p, uap, retval) struct proc *p; void *uap; @@ -283,6 +292,7 @@ struct osigvec_args { }; /* ARGSUSED */ +int osigvec(p, uap, retval) struct proc *p; register struct osigvec_args *uap; @@ -327,6 +337,7 @@ struct osigblock_args { int mask; }; +int osigblock(p, uap, retval) register struct proc *p; struct osigblock_args *uap; @@ -344,6 +355,7 @@ struct osigsetmask_args { int mask; }; +int osigsetmask(p, uap, retval) struct proc *p; struct osigsetmask_args *uap; @@ -369,6 +381,7 @@ struct sigsuspend_args { }; /* ARGSUSED */ +int sigsuspend(p, uap, retval) register struct proc *p; struct sigsuspend_args *uap; @@ -397,6 +410,7 @@ struct sigstack_args { }; /* ARGSUSED */ +int sigstack(p, uap, retval) struct proc *p; register struct sigstack_args *uap; @@ -420,6 +434,7 @@ struct kill_args { }; /* ARGSUSED */ +int kill(cp, uap, retval) register struct proc *cp; register struct kill_args *uap; @@ -460,6 +475,7 @@ struct okillpg_args { }; /* ARGSUSED */ +int okillpg(p, uap, retval) struct proc *p; register struct okillpg_args *uap; @@ -476,6 +492,7 @@ okillpg(p, uap, retval) * Common code for kill process group/broadcast kill. * cp is calling process. */ +static int killpg1(cp, signo, pgid, all) register struct proc *cp; int signo, pgid, all; @@ -605,6 +622,10 @@ psignal(p, sig) register sig_t action; int mask; + /* Ignore signals to system (internal) daemons */ + if (p->p_flag & SSYS) + return; + if ((unsigned)sig >= NSIG || sig == 0) panic("psignal sig"); mask = sigmask(sig); @@ -795,6 +816,7 @@ out: * while (sig = CURSIG(curproc)) * psig(sig); */ +int issig(p) register struct proc *p; { @@ -932,6 +954,7 @@ issig(p) * Signals are handled elsewhere. * The process must not be on the run queue. */ +static void stop(p) register struct proc *p; { @@ -1012,6 +1035,7 @@ psig(sig) * If dumping core, save the signal number for the debugger. * Calls exit and does not return. */ +static void sigexit(p, sig) register struct proc *p; int sig; @@ -1037,6 +1061,7 @@ sigexit(p, sig) * or was not produced from the same program, * the link count to the corefile is > 1. */ +int coredump(p) register struct proc *p; { @@ -1061,12 +1086,12 @@ coredump(p) sprintf(name, "%s.core", p->p_comm); nd.ni_dirp = name; nd.ni_segflg = UIO_SYSSPACE; - if ((error = vn_open(&nd, p, FWRITE, 0644)) == 0) + if ((error = vn_open(&nd, p, FWRITE, 0600)) == 0) exists = 1; else exists = 0; if (error == ENOENT) - error = vn_open(&nd, p, O_CREAT | FWRITE, 0644); + error = vn_open(&nd, p, O_CREAT | FWRITE, 0600); if (error) return (error); vp = nd.ni_vp; @@ -1131,6 +1156,7 @@ out: * Flag error in case process won't see signal immediately (blocked or ignored). */ /* ARGSUSED */ +int nosys(p, args, retval) struct proc *p; void *args; |