663 lines
15 KiB
C
663 lines
15 KiB
C
/* $NetBSD: svr4_signal.c,v 1.25 1997/12/01 06:04:23 mjacob Exp $ */
|
|
/*
|
|
* Copyright (c) 1994 Christos Zoulas
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/namei.h>
|
|
#include <sys/proc.h>
|
|
#include <sys/filedesc.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/mount.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/signal.h>
|
|
#include <sys/signalvar.h>
|
|
#include <sys/malloc.h>
|
|
|
|
#include <sys/syscallargs.h>
|
|
|
|
#include <compat/svr4/svr4_types.h>
|
|
#include <compat/svr4/svr4_signal.h>
|
|
#include <compat/svr4/svr4_syscallargs.h>
|
|
#include <compat/svr4/svr4_util.h>
|
|
#include <compat/svr4/svr4_ucontext.h>
|
|
|
|
#define sigemptyset(s) bzero((s), sizeof(*(s)))
|
|
#define sigismember(s, n) (*(s) & sigmask(n))
|
|
#define sigaddset(s, n) (*(s) |= sigmask(n))
|
|
|
|
#define svr4_sigmask(n) (1 << (((n) - 1) & (32 - 1)))
|
|
#define svr4_sigword(n) (((n) - 1) >> 5)
|
|
#define svr4_sigemptyset(s) bzero((s), sizeof(*(s)))
|
|
#define svr4_sigismember(s, n) ((s)->bits[svr4_sigword(n)] & svr4_sigmask(n))
|
|
#define svr4_sigaddset(s, n) ((s)->bits[svr4_sigword(n)] |= svr4_sigmask(n))
|
|
|
|
static __inline void svr4_sigfillset __P((svr4_sigset_t *));
|
|
void svr4_to_bsd_sigaction __P((const struct svr4_sigaction *,
|
|
struct sigaction *));
|
|
void bsd_to_svr4_sigaction __P((const struct sigaction *,
|
|
struct svr4_sigaction *));
|
|
|
|
static __inline void
|
|
svr4_sigfillset(s)
|
|
svr4_sigset_t *s;
|
|
{
|
|
int i;
|
|
|
|
svr4_sigemptyset(s);
|
|
for (i = 1; i < SVR4_NSIG; i++)
|
|
svr4_sigaddset(s, i);
|
|
}
|
|
|
|
int bsd_to_svr4_sig[] = {
|
|
0,
|
|
SVR4_SIGHUP,
|
|
SVR4_SIGINT,
|
|
SVR4_SIGQUIT,
|
|
SVR4_SIGILL,
|
|
SVR4_SIGTRAP,
|
|
SVR4_SIGABRT,
|
|
SVR4_SIGEMT,
|
|
SVR4_SIGFPE,
|
|
SVR4_SIGKILL,
|
|
SVR4_SIGBUS,
|
|
SVR4_SIGSEGV,
|
|
SVR4_SIGSYS,
|
|
SVR4_SIGPIPE,
|
|
SVR4_SIGALRM,
|
|
SVR4_SIGTERM,
|
|
SVR4_SIGURG,
|
|
SVR4_SIGSTOP,
|
|
SVR4_SIGTSTP,
|
|
SVR4_SIGCONT,
|
|
SVR4_SIGCHLD,
|
|
SVR4_SIGTTIN,
|
|
SVR4_SIGTTOU,
|
|
SVR4_SIGIO,
|
|
SVR4_SIGXCPU,
|
|
SVR4_SIGXFSZ,
|
|
SVR4_SIGVTALRM,
|
|
SVR4_SIGPROF,
|
|
SVR4_SIGWINCH,
|
|
0,
|
|
SVR4_SIGUSR1,
|
|
SVR4_SIGUSR2,
|
|
};
|
|
|
|
int svr4_to_bsd_sig[] = {
|
|
0,
|
|
SIGHUP,
|
|
SIGINT,
|
|
SIGQUIT,
|
|
SIGILL,
|
|
SIGTRAP,
|
|
SIGABRT,
|
|
SIGEMT,
|
|
SIGFPE,
|
|
SIGKILL,
|
|
SIGBUS,
|
|
SIGSEGV,
|
|
SIGSYS,
|
|
SIGPIPE,
|
|
SIGALRM,
|
|
SIGTERM,
|
|
SIGUSR1,
|
|
SIGUSR2,
|
|
SIGCHLD,
|
|
0,
|
|
SIGWINCH,
|
|
SIGURG,
|
|
SIGIO,
|
|
SIGSTOP,
|
|
SIGTSTP,
|
|
SIGCONT,
|
|
SIGTTIN,
|
|
SIGTTOU,
|
|
SIGVTALRM,
|
|
SIGPROF,
|
|
SIGXCPU,
|
|
SIGXFSZ,
|
|
};
|
|
|
|
void
|
|
svr4_to_bsd_sigset(sss, bss)
|
|
const svr4_sigset_t *sss;
|
|
sigset_t *bss;
|
|
{
|
|
int i, newsig;
|
|
|
|
sigemptyset(bss);
|
|
for (i = 1; i < SVR4_NSIG; i++) {
|
|
if (svr4_sigismember(sss, i)) {
|
|
newsig = svr4_to_bsd_sig[i];
|
|
if (newsig)
|
|
sigaddset(bss, newsig);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
bsd_to_svr4_sigset(bss, sss)
|
|
const sigset_t *bss;
|
|
svr4_sigset_t *sss;
|
|
{
|
|
int i, newsig;
|
|
|
|
svr4_sigemptyset(sss);
|
|
for (i = 1; i < NSIG; i++) {
|
|
if (sigismember(bss, i)) {
|
|
newsig = bsd_to_svr4_sig[i];
|
|
if (newsig)
|
|
svr4_sigaddset(sss, newsig);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* XXX: Only a subset of the flags is currently implemented.
|
|
*/
|
|
void
|
|
svr4_to_bsd_sigaction(ssa, bsa)
|
|
const struct svr4_sigaction *ssa;
|
|
struct sigaction *bsa;
|
|
{
|
|
|
|
bsa->sa_handler = (sig_t) ssa->sa_handler;
|
|
svr4_to_bsd_sigset(&ssa->sa_mask, &bsa->sa_mask);
|
|
bsa->sa_flags = 0;
|
|
if ((ssa->sa_flags & SVR4_SA_ONSTACK) != 0)
|
|
bsa->sa_flags |= SA_ONSTACK;
|
|
if ((ssa->sa_flags & SVR4_SA_RESTART) != 0)
|
|
bsa->sa_flags |= SA_RESTART;
|
|
if ((ssa->sa_flags & SVR4_SA_RESETHAND) != 0)
|
|
bsa->sa_flags |= SA_RESETHAND;
|
|
if ((ssa->sa_flags & SVR4_SA_NOCLDSTOP) != 0)
|
|
bsa->sa_flags |= SA_NOCLDSTOP;
|
|
if ((ssa->sa_flags & SVR4_SA_NODEFER) != 0)
|
|
bsa->sa_flags |= SA_NODEFER;
|
|
}
|
|
|
|
void
|
|
bsd_to_svr4_sigaction(bsa, ssa)
|
|
const struct sigaction *bsa;
|
|
struct svr4_sigaction *ssa;
|
|
{
|
|
|
|
ssa->sa_handler = (svr4_sig_t) bsa->sa_handler;
|
|
bsd_to_svr4_sigset(&bsa->sa_mask, &ssa->sa_mask);
|
|
ssa->sa_flags = 0;
|
|
if ((bsa->sa_flags & SA_ONSTACK) != 0)
|
|
ssa->sa_flags |= SA_ONSTACK;
|
|
if ((bsa->sa_flags & SA_RESETHAND) != 0)
|
|
ssa->sa_flags |= SA_RESETHAND;
|
|
if ((bsa->sa_flags & SA_RESTART) != 0)
|
|
ssa->sa_flags |= SA_RESTART;
|
|
if ((bsa->sa_flags & SA_NODEFER) != 0)
|
|
ssa->sa_flags |= SA_NODEFER;
|
|
if ((bsa->sa_flags & SA_NOCLDSTOP) != 0)
|
|
ssa->sa_flags |= SA_NOCLDSTOP;
|
|
}
|
|
|
|
void
|
|
svr4_to_bsd_sigaltstack(sss, bss)
|
|
const struct svr4_sigaltstack *sss;
|
|
struct sigaltstack *bss;
|
|
{
|
|
|
|
bss->ss_sp = sss->ss_sp;
|
|
bss->ss_size = sss->ss_size;
|
|
bss->ss_flags = 0;
|
|
|
|
if ((sss->ss_flags & SVR4_SS_DISABLE) != 0)
|
|
bss->ss_flags |= SS_DISABLE;
|
|
if ((sss->ss_flags & SVR4_SS_ONSTACK) != 0)
|
|
bss->ss_flags |= SS_ONSTACK;
|
|
}
|
|
|
|
void
|
|
bsd_to_svr4_sigaltstack(bss, sss)
|
|
const struct sigaltstack *bss;
|
|
struct svr4_sigaltstack *sss;
|
|
{
|
|
|
|
sss->ss_sp = bss->ss_sp;
|
|
sss->ss_size = bss->ss_size;
|
|
sss->ss_flags = 0;
|
|
|
|
if ((bss->ss_flags & SS_DISABLE) != 0)
|
|
sss->ss_flags |= SVR4_SS_DISABLE;
|
|
if ((bss->ss_flags & SS_ONSTACK) != 0)
|
|
sss->ss_flags |= SVR4_SS_ONSTACK;
|
|
}
|
|
|
|
int
|
|
svr4_sys_sigaction(p, v, retval)
|
|
register struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct svr4_sys_sigaction_args /* {
|
|
syscallarg(int) signum;
|
|
syscallarg(struct svr4_sigaction *) nsa;
|
|
syscallarg(struct svr4_sigaction *) osa;
|
|
} */ *uap = v;
|
|
struct svr4_sigaction *nssa, *ossa, tmpssa;
|
|
struct sigaction *nbsa, *obsa, tmpbsa;
|
|
struct sys_sigaction_args sa;
|
|
caddr_t sg;
|
|
int error;
|
|
|
|
sg = stackgap_init(p->p_emul);
|
|
nssa = SCARG(uap, nsa);
|
|
ossa = SCARG(uap, osa);
|
|
|
|
if (ossa != NULL)
|
|
obsa = stackgap_alloc(&sg, sizeof(struct sigaction));
|
|
else
|
|
obsa = NULL;
|
|
|
|
if (nssa != NULL) {
|
|
nbsa = stackgap_alloc(&sg, sizeof(struct sigaction));
|
|
if ((error = copyin(nssa, &tmpssa, sizeof(tmpssa))) != 0)
|
|
return error;
|
|
svr4_to_bsd_sigaction(&tmpssa, &tmpbsa);
|
|
if ((error = copyout(&tmpbsa, nbsa, sizeof(tmpbsa))) != 0)
|
|
return error;
|
|
} else
|
|
nbsa = NULL;
|
|
|
|
SCARG(&sa, signum) = svr4_to_bsd_sig[SCARG(uap, signum)];
|
|
SCARG(&sa, nsa) = nbsa;
|
|
SCARG(&sa, osa) = obsa;
|
|
|
|
if ((error = sys_sigaction(p, &sa, retval)) != 0)
|
|
return error;
|
|
|
|
if (ossa != NULL) {
|
|
if ((error = copyin(obsa, &tmpbsa, sizeof(tmpbsa))) != 0)
|
|
return error;
|
|
bsd_to_svr4_sigaction(&tmpbsa, &tmpssa);
|
|
if ((error = copyout(&tmpssa, ossa, sizeof(tmpssa))) != 0)
|
|
return error;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
svr4_sys_sigaltstack(p, v, retval)
|
|
register struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct svr4_sys_sigaltstack_args /* {
|
|
syscallarg(struct svr4_sigaltstack *) nss;
|
|
syscallarg(struct svr4_sigaltstack *) oss;
|
|
} */ *uap = v;
|
|
struct svr4_sigaltstack *nsss, *osss, tmpsss;
|
|
struct sigaltstack *nbss, *obss, tmpbss;
|
|
struct sys___sigaltstack14_args sa;
|
|
caddr_t sg;
|
|
int error;
|
|
|
|
sg = stackgap_init(p->p_emul);
|
|
nsss = SCARG(uap, nss);
|
|
osss = SCARG(uap, oss);
|
|
|
|
if (osss != NULL)
|
|
obss = stackgap_alloc(&sg, sizeof(struct sigaltstack));
|
|
else
|
|
obss = NULL;
|
|
|
|
if (nsss != NULL) {
|
|
nbss = stackgap_alloc(&sg, sizeof(struct sigaltstack));
|
|
if ((error = copyin(nsss, &tmpsss, sizeof(tmpsss))) != 0)
|
|
return error;
|
|
svr4_to_bsd_sigaltstack(&tmpsss, &tmpbss);
|
|
if ((error = copyout(&tmpbss, nbss, sizeof(tmpbss))) != 0)
|
|
return error;
|
|
} else
|
|
nbss = NULL;
|
|
|
|
SCARG(&sa, nss) = nbss;
|
|
SCARG(&sa, oss) = obss;
|
|
|
|
if ((error = sys___sigaltstack14(p, &sa, retval)) != 0)
|
|
return error;
|
|
|
|
if (obss != NULL) {
|
|
if ((error = copyin(obss, &tmpbss, sizeof(tmpbss))) != 0)
|
|
return error;
|
|
bsd_to_svr4_sigaltstack(&tmpbss, &tmpsss);
|
|
if ((error = copyout(&tmpsss, osss, sizeof(tmpsss))) != 0)
|
|
return error;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Stolen from the ibcs2 one
|
|
*/
|
|
int
|
|
svr4_sys_signal(p, v, retval)
|
|
register struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct svr4_sys_signal_args /* {
|
|
syscallarg(int) signum;
|
|
syscallarg(svr4_sig_t) handler;
|
|
} */ *uap = v;
|
|
int signum = svr4_to_bsd_sig[SVR4_SIGNO(SCARG(uap, signum))];
|
|
int error;
|
|
caddr_t sg = stackgap_init(p->p_emul);
|
|
|
|
if (signum <= 0 || signum >= SVR4_NSIG) {
|
|
if (SVR4_SIGCALL(SCARG(uap, signum)) == SVR4_SIGNAL_MASK ||
|
|
SVR4_SIGCALL(SCARG(uap, signum)) == SVR4_SIGDEFER_MASK)
|
|
*retval = (int)SVR4_SIG_ERR;
|
|
return EINVAL;
|
|
}
|
|
|
|
switch (SVR4_SIGCALL(SCARG(uap, signum))) {
|
|
case SVR4_SIGDEFER_MASK:
|
|
/*
|
|
* sigset is identical to signal() except
|
|
* that SIG_HOLD is allowed as
|
|
* an action.
|
|
*/
|
|
if (SCARG(uap, handler) == SVR4_SIG_HOLD) {
|
|
struct sys_sigprocmask_args sa;
|
|
|
|
SCARG(&sa, how) = SIG_BLOCK;
|
|
SCARG(&sa, mask) = sigmask(signum);
|
|
return sys_sigprocmask(p, &sa, retval);
|
|
}
|
|
/* FALLTHROUGH */
|
|
|
|
case SVR4_SIGNAL_MASK:
|
|
{
|
|
struct sys_sigaction_args sa_args;
|
|
struct sigaction *nbsa, *obsa, sa;
|
|
|
|
nbsa = stackgap_alloc(&sg, sizeof(struct sigaction));
|
|
obsa = stackgap_alloc(&sg, sizeof(struct sigaction));
|
|
SCARG(&sa_args, signum) = signum;
|
|
SCARG(&sa_args, nsa) = nbsa;
|
|
SCARG(&sa_args, osa) = obsa;
|
|
|
|
sa.sa_handler = (sig_t) SCARG(uap, handler);
|
|
sigemptyset(&sa.sa_mask);
|
|
sa.sa_flags = 0;
|
|
#if 0
|
|
if (signum != SIGALRM)
|
|
sa.sa_flags = SA_RESTART;
|
|
#endif
|
|
if ((error = copyout(&sa, nbsa, sizeof(sa))) != 0)
|
|
return error;
|
|
if ((error = sys_sigaction(p, &sa_args, retval)) != 0) {
|
|
DPRINTF(("signal: sigaction failed: %d\n",
|
|
error));
|
|
*retval = (int)SVR4_SIG_ERR;
|
|
return error;
|
|
}
|
|
if ((error = copyin(obsa, &sa, sizeof(sa))) != 0)
|
|
return error;
|
|
*retval = (int)sa.sa_handler;
|
|
return 0;
|
|
}
|
|
|
|
case SVR4_SIGHOLD_MASK:
|
|
{
|
|
struct sys_sigprocmask_args sa;
|
|
|
|
SCARG(&sa, how) = SIG_BLOCK;
|
|
SCARG(&sa, mask) = sigmask(signum);
|
|
return sys_sigprocmask(p, &sa, retval);
|
|
}
|
|
|
|
case SVR4_SIGRELSE_MASK:
|
|
{
|
|
struct sys_sigprocmask_args sa;
|
|
|
|
SCARG(&sa, how) = SIG_UNBLOCK;
|
|
SCARG(&sa, mask) = sigmask(signum);
|
|
return sys_sigprocmask(p, &sa, retval);
|
|
}
|
|
|
|
case SVR4_SIGIGNORE_MASK:
|
|
{
|
|
struct sys_sigaction_args sa_args;
|
|
struct sigaction *bsa, sa;
|
|
|
|
bsa = stackgap_alloc(&sg, sizeof(struct sigaction));
|
|
SCARG(&sa_args, signum) = signum;
|
|
SCARG(&sa_args, nsa) = bsa;
|
|
SCARG(&sa_args, osa) = NULL;
|
|
|
|
sa.sa_handler = SIG_IGN;
|
|
sigemptyset(&sa.sa_mask);
|
|
sa.sa_flags = 0;
|
|
if ((error = copyout(&sa, bsa, sizeof(sa))) != 0)
|
|
return error;
|
|
if ((error = sys_sigaction(p, &sa_args, retval)) != 0) {
|
|
DPRINTF(("sigignore: sigaction failed\n"));
|
|
return error;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
case SVR4_SIGPAUSE_MASK:
|
|
{
|
|
struct sys_sigsuspend_args sa;
|
|
|
|
SCARG(&sa, mask) = p->p_sigmask & ~sigmask(signum);
|
|
return sys_sigsuspend(p, &sa, retval);
|
|
}
|
|
|
|
default:
|
|
return ENOSYS;
|
|
}
|
|
}
|
|
|
|
int
|
|
svr4_sys_sigprocmask(p, v, retval)
|
|
register struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct svr4_sys_sigprocmask_args /* {
|
|
syscallarg(int) how;
|
|
syscallarg(svr4_sigset_t *) set;
|
|
syscallarg(svr4_sigset_t *) oset;
|
|
} */ *uap = v;
|
|
svr4_sigset_t sss;
|
|
sigset_t bss;
|
|
int error = 0;
|
|
|
|
if (SCARG(uap, oset) != NULL) {
|
|
/* Fix the return value first if needed */
|
|
bsd_to_svr4_sigset(&p->p_sigmask, &sss);
|
|
if ((error = copyout(&sss, SCARG(uap, oset), sizeof(sss))) != 0)
|
|
return error;
|
|
}
|
|
|
|
if (SCARG(uap, set) == NULL)
|
|
/* Just examine */
|
|
return 0;
|
|
|
|
if ((error = copyin(SCARG(uap, set), &sss, sizeof(sss))) != 0)
|
|
return error;
|
|
|
|
svr4_to_bsd_sigset(&sss, &bss);
|
|
|
|
(void) splhigh();
|
|
|
|
switch (SCARG(uap, how)) {
|
|
case SVR4_SIG_BLOCK:
|
|
p->p_sigmask |= bss & ~sigcantmask;
|
|
break;
|
|
|
|
case SVR4_SIG_UNBLOCK:
|
|
p->p_sigmask &= ~bss;
|
|
break;
|
|
|
|
case SVR4_SIG_SETMASK:
|
|
p->p_sigmask = bss & ~sigcantmask;
|
|
break;
|
|
|
|
default:
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
|
|
(void) spl0();
|
|
|
|
return error;
|
|
}
|
|
|
|
int
|
|
svr4_sys_sigpending(p, v, retval)
|
|
register struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct svr4_sys_sigpending_args /* {
|
|
syscallarg(int) what;
|
|
syscallarg(svr4_sigset_t *) mask;
|
|
} */ *uap = v;
|
|
sigset_t bss;
|
|
svr4_sigset_t sss;
|
|
|
|
switch (SCARG(uap, what)) {
|
|
case 1: /* sigpending */
|
|
if (SCARG(uap, mask) == NULL)
|
|
return 0;
|
|
bss = p->p_siglist & p->p_sigmask;
|
|
bsd_to_svr4_sigset(&bss, &sss);
|
|
break;
|
|
|
|
case 2: /* sigfillset */
|
|
svr4_sigfillset(&sss);
|
|
break;
|
|
|
|
default:
|
|
return EINVAL;
|
|
}
|
|
|
|
return copyout(&sss, SCARG(uap, mask), sizeof(sss));
|
|
}
|
|
|
|
int
|
|
svr4_sys_sigsuspend(p, v, retval)
|
|
register struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct svr4_sys_sigsuspend_args /* {
|
|
syscallarg(svr4_sigset_t *) ss;
|
|
} */ *uap = v;
|
|
svr4_sigset_t sss;
|
|
sigset_t bss;
|
|
struct sys_sigsuspend_args sa;
|
|
int error;
|
|
|
|
if ((error = copyin(SCARG(uap, ss), &sss, sizeof(sss))) != 0)
|
|
return error;
|
|
|
|
svr4_to_bsd_sigset(&sss, &bss);
|
|
|
|
SCARG(&sa, mask) = bss;
|
|
return sys_sigsuspend(p, &sa, retval);
|
|
}
|
|
|
|
int
|
|
svr4_sys_kill(p, v, retval)
|
|
register struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct svr4_sys_kill_args /* {
|
|
syscallarg(int) pid;
|
|
syscallarg(int) signum;
|
|
} */ *uap = v;
|
|
struct sys_kill_args ka;
|
|
|
|
SCARG(&ka, pid) = SCARG(uap, pid);
|
|
SCARG(&ka, signum) = svr4_to_bsd_sig[SCARG(uap, signum)];
|
|
return sys_kill(p, &ka, retval);
|
|
}
|
|
|
|
int
|
|
svr4_sys_context(p, v, retval)
|
|
register struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct svr4_sys_context_args /* {
|
|
syscallarg(int) func;
|
|
syscallarg(struct svr4_ucontext *) uc;
|
|
} */ *uap = v;
|
|
struct svr4_ucontext uc;
|
|
int error;
|
|
*retval = 0;
|
|
|
|
switch (SCARG(uap, func)) {
|
|
case 0:
|
|
DPRINTF(("getcontext(%p)\n", SCARG(uap, uc)));
|
|
svr4_getcontext(p, &uc, p->p_sigmask,
|
|
p->p_sigacts->ps_sigstk.ss_flags & SS_ONSTACK);
|
|
return copyout(&uc, SCARG(uap, uc), sizeof(uc));
|
|
|
|
case 1:
|
|
DPRINTF(("setcontext(%p)\n", SCARG(uap, uc)));
|
|
if ((error = copyin(SCARG(uap, uc), &uc, sizeof(uc))) != 0)
|
|
return error;
|
|
return svr4_setcontext(p, &uc);
|
|
|
|
default:
|
|
DPRINTF(("context(%d, %p)\n", SCARG(uap, func),
|
|
SCARG(uap, uc)));
|
|
return ENOSYS;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
svr4_sys_pause(p, v, retval)
|
|
register struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct sys_sigsuspend_args bsa;
|
|
|
|
SCARG(&bsa, mask) = p->p_sigmask;
|
|
return sys_sigsuspend(p, &bsa, retval);
|
|
}
|