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-rw-r--r--sys/svr4/svr4_signal.c666
1 files changed, 0 insertions, 666 deletions
diff --git a/sys/svr4/svr4_signal.c b/sys/svr4/svr4_signal.c
deleted file mode 100644
index 46407ba..0000000
--- a/sys/svr4/svr4_signal.c
+++ /dev/null
@@ -1,666 +0,0 @@
-/*
- * Copyright (c) 1998 Mark Newton
- * 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.
- *
- * $FreeBSD$
- */
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/proc.h>
-#include <sys/filedesc.h>
-#include <sys/signal.h>
-#include <sys/signalvar.h>
-#include <sys/sysproto.h>
-
-#include <svr4/svr4.h>
-#include <svr4/svr4_types.h>
-#include <svr4/svr4_signal.h>
-#include <svr4/svr4_proto.h>
-#include <svr4/svr4_util.h>
-#include <svr4/svr4_ucontext.h>
-
-#define svr4_sigmask(n) (1 << (((n) - 1) & 31))
-#define svr4_sigword(n) (((n) - 1) >> 5)
-#define svr4_sigemptyset(s) memset((s), 0, 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))
-
-void svr4_to_bsd_sigaction __P((const struct svr4_sigaction *,
- struct sigaction *));
-void bsd_to_svr4_sigaction __P((const struct sigaction *,
- struct svr4_sigaction *));
-void svr4_sigfillset __P((svr4_sigset_t *));
-
-int bsd_to_svr4_sig[SVR4_SIGTBLSZ] = {
- 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, /* SIGINFO */
- SVR4_SIGUSR1,
- SVR4_SIGUSR2,
-};
-
-int svr4_to_bsd_sig[SVR4_SIGTBLSZ] = {
- SIGHUP,
- SIGINT,
- SIGQUIT,
- SIGILL,
- SIGTRAP,
- SIGABRT,
- SIGEMT,
- SIGFPE,
- SIGKILL,
- SIGBUS,
- SIGSEGV,
- SIGSYS,
- SIGPIPE,
- SIGALRM,
- SIGTERM,
- SIGUSR1,
- SIGUSR2,
- SIGCHLD,
- 0, /* XXX NetBSD uses SIGPWR here, but we don't seem to have one */
- SIGWINCH,
- SIGURG,
- SIGIO,
- SIGSTOP,
- SIGTSTP,
- SIGCONT,
- SIGTTIN,
- SIGTTOU,
- SIGVTALRM,
- SIGPROF,
- SIGXCPU,
- SIGXFSZ,
-};
-
-void
-svr4_sigfillset(s)
- svr4_sigset_t *s;
-{
- int i;
-
- svr4_sigemptyset(s);
- for (i = 0; i < SVR4_NSIG; i++)
- if (svr4_to_bsd_sig[i] != 0)
- svr4_sigaddset(s, i);
-}
-
-void
-svr4_to_bsd_sigset(sss, bss)
- const svr4_sigset_t *sss;
- sigset_t *bss;
-{
- int i, newsig;
-
- SIGEMPTYSET(*bss);
- for (i = 0; i < SVR4_NSIG; i++)
- if (svr4_sigismember(sss, i + 1)) {
- 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);
- sss->bits[0] = bss->__bits[0] & ~((1U << SVR4_SIGTBLSZ) - 1);
- sss->bits[1] = bss->__bits[1];
- sss->bits[2] = bss->__bits[2];
- sss->bits[3] = bss->__bits[3];
- for (i = 1; i <= SVR4_SIGTBLSZ; i++) {
- if (SIGISMEMBER(*bss, i)) {
- newsig = bsd_to_svr4_sig[_SIG_IDX(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->ssa_handler;
- svr4_to_bsd_sigset(&ssa->ssa_mask, &bsa->sa_mask);
- bsa->sa_flags = 0;
- if ((ssa->ssa_flags & SVR4_SA_ONSTACK) != 0)
- bsa->sa_flags |= SA_ONSTACK;
- if ((ssa->ssa_flags & SVR4_SA_RESETHAND) != 0)
- bsa->sa_flags |= SA_RESETHAND;
- if ((ssa->ssa_flags & SVR4_SA_RESTART) != 0)
- bsa->sa_flags |= SA_RESTART;
- if ((ssa->ssa_flags & SVR4_SA_SIGINFO) != 0)
- DPRINTF(("svr4_to_bsd_sigaction: SA_SIGINFO ignored\n"));
- if ((ssa->ssa_flags & SVR4_SA_NOCLDSTOP) != 0)
- bsa->sa_flags |= SA_NOCLDSTOP;
- if ((ssa->ssa_flags & SVR4_SA_NODEFER) != 0)
- bsa->sa_flags |= SA_NODEFER;
- if ((ssa->ssa_flags & SVR4_SA_NOCLDWAIT) != 0)
- bsa->sa_flags |= SA_NOCLDWAIT;
- if ((ssa->ssa_flags & ~SVR4_SA_ALLBITS) != 0)
- DPRINTF(("svr4_to_bsd_sigaction: extra bits ignored\n"));
-}
-
-void
-bsd_to_svr4_sigaction(bsa, ssa)
- const struct sigaction *bsa;
- struct svr4_sigaction *ssa;
-{
-
- ssa->ssa_handler = (svr4_sig_t) bsa->sa_handler;
- bsd_to_svr4_sigset(&bsa->sa_mask, &ssa->ssa_mask);
- ssa->ssa_flags = 0;
- if ((bsa->sa_flags & SA_ONSTACK) != 0)
- ssa->ssa_flags |= SVR4_SA_ONSTACK;
- if ((bsa->sa_flags & SA_RESETHAND) != 0)
- ssa->ssa_flags |= SVR4_SA_RESETHAND;
- if ((bsa->sa_flags & SA_RESTART) != 0)
- ssa->ssa_flags |= SVR4_SA_RESTART;
- if ((bsa->sa_flags & SA_NODEFER) != 0)
- ssa->ssa_flags |= SVR4_SA_NODEFER;
- if ((bsa->sa_flags & SA_NOCLDSTOP) != 0)
- ssa->ssa_flags |= SVR4_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;
- if ((sss->ss_flags & ~SVR4_SS_ALLBITS) != 0)
- /*XXX*/ uprintf("svr4_to_bsd_sigaltstack: extra bits ignored\n");
-}
-
-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, uap)
- register struct proc *p;
- struct svr4_sys_sigaction_args *uap;
-{
- struct svr4_sigaction *nisa, *oisa, tmpisa;
- struct sigaction *nbsa, *obsa, tmpbsa;
- struct sigaction_args sa;
- caddr_t sg;
- int error;
-
- DPRINTF(("@@@ svr4_sys_sigaction(%d, %d, %d)\n", p->p_pid,
- SCARG(uap, signum),
- SVR4_SVR42BSD_SIG(SCARG(uap, signum))));
-
- sg = stackgap_init();
- nisa = SCARG(uap, nsa);
- oisa = SCARG(uap, osa);
-
- if (oisa != NULL)
- obsa = stackgap_alloc(&sg, sizeof(struct sigaction));
- else
- obsa = NULL;
-
- if (nisa != NULL) {
- nbsa = stackgap_alloc(&sg, sizeof(struct sigaction));
- if ((error = copyin(nisa, &tmpisa, sizeof(tmpisa))) != 0)
- return error;
- svr4_to_bsd_sigaction(&tmpisa, &tmpbsa);
- if ((error = copyout(&tmpbsa, nbsa, sizeof(tmpbsa))) != 0)
- return error;
- } else
- nbsa = NULL;
-
-#if defined(DEBUG_SVR4)
- {
- int i;
- for (i = 0; i < 4; i++)
- DPRINTF(("\tssa_mask[%d] = %lx\n", i,
- nisa->ssa_mask.bits[i]));
- DPRINTF(("\tssa_handler = %lx\n", nisa->ssa_handler));
- }
-#endif
-
- SCARG(&sa, sig) = SVR4_SVR42BSD_SIG(SCARG(uap, signum));
- SCARG(&sa, act) = nbsa;
- SCARG(&sa, oact) = obsa;
-
- if ((error = sigaction(p, &sa)) != 0)
- return error;
-
- if (oisa != NULL) {
- if ((error = copyin(obsa, &tmpbsa, sizeof(tmpbsa))) != 0)
- return error;
- bsd_to_svr4_sigaction(&tmpbsa, &tmpisa);
- if ((error = copyout(&tmpisa, oisa, sizeof(tmpisa))) != 0)
- return error;
- }
-
- return 0;
-}
-
-int
-svr4_sys_sigaltstack(p, uap)
- register struct proc *p;
- struct svr4_sys_sigaltstack_args *uap;
-{
- struct svr4_sigaltstack *nsss, *osss, tmpsss;
- struct sigaltstack *nbss, *obss, tmpbss;
- struct sigaltstack_args sa;
- caddr_t sg;
- int error, *retval;
-
- retval = p->p_retval;
- sg = stackgap_init();
- 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, ss) = nbss;
- SCARG(&sa, oss) = obss;
-
- if ((error = sigaltstack(p, &sa)) != 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, uap)
- register struct proc *p;
- struct svr4_sys_signal_args *uap;
-{
- int signum;
- int error, *retval = p->p_retval;
- caddr_t sg = stackgap_init();
-
- DPRINTF(("@@@ svr4_sys_signal(%d)\n", p->p_pid));
-
- signum = SVR4_SVR42BSD_SIG(SVR4_SIGNO(SCARG(uap, signum)));
- if (signum <= 0 || signum > SVR4_NSIG)
- return (EINVAL);
-
- switch (SVR4_SIGCALL(SCARG(uap, signum))) {
- case SVR4_SIGDEFER_MASK:
- if (SCARG(uap, handler) == SVR4_SIG_HOLD)
- goto sighold;
- /* FALLTHROUGH */
-
- case SVR4_SIGNAL_MASK:
- {
- struct 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, sig) = signum;
- SCARG(&sa_args, act) = nbsa;
- SCARG(&sa_args, oact) = obsa;
-
- sa.sa_handler = (sig_t) SCARG(uap, handler);
- SIGEMPTYSET(sa.sa_mask);
- sa.sa_flags = 0;
-
- if (signum != SIGALRM)
- sa.sa_flags = SA_RESTART;
-
- if ((error = copyout(&sa, nbsa, sizeof(sa))) != 0)
- return error;
- if ((error = sigaction(p, &sa_args)) != 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:
-sighold:
- {
- struct sigprocmask_args sa;
- sigset_t *set;
-
- set = stackgap_alloc(&sg, sizeof(sigset_t));
- SIGEMPTYSET(*set);
- SIGADDSET(*set, signum);
- SCARG(&sa, how) = SIG_BLOCK;
- SCARG(&sa, set) = set;
- SCARG(&sa, oset) = NULL;
- return sigprocmask(p, &sa);
- }
-
- case SVR4_SIGRELSE_MASK:
- {
- struct sigprocmask_args sa;
- sigset_t *set;
-
- set = stackgap_alloc(&sg, sizeof(sigset_t));
- SIGEMPTYSET(*set);
- SIGADDSET(*set, signum);
- SCARG(&sa, how) = SIG_UNBLOCK;
- SCARG(&sa, set) = set;
- SCARG(&sa, oset) = NULL;
- return sigprocmask(p, &sa);
- }
-
- case SVR4_SIGIGNORE_MASK:
- {
- struct sigaction_args sa_args;
- struct sigaction *bsa, sa;
-
- bsa = stackgap_alloc(&sg, sizeof(struct sigaction));
- SCARG(&sa_args, sig) = signum;
- SCARG(&sa_args, act) = bsa;
- SCARG(&sa_args, oact) = 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 = sigaction(p, &sa_args)) != 0) {
- DPRINTF(("sigignore: sigaction failed\n"));
- return error;
- }
- return 0;
- }
-
- case SVR4_SIGPAUSE_MASK:
- {
- struct sigsuspend_args sa;
- sigset_t *set;
-
- set = stackgap_alloc(&sg, sizeof(sigset_t));
- *set = p->p_sigmask;
- SIGDELSET(*set, signum);
- SCARG(&sa, sigmask) = set;
- return sigsuspend(p, &sa);
- }
-
- default:
- return (ENOSYS);
- }
-}
-
-
-int
-svr4_sys_sigprocmask(p, uap)
- struct proc *p;
- struct svr4_sys_sigprocmask_args *uap;
-{
- svr4_sigset_t sss;
- sigset_t bss;
- int error = 0, *retval;
-
- retval = p->p_retval;
- 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);
-
- mtx_enter_sched_quick();
-
- switch (SCARG(uap, how)) {
- case SVR4_SIG_BLOCK:
- SIGSETOR(p->p_sigmask, bss);
- SIG_CANTMASK(p->p_sigmask);
- break;
-
- case SVR4_SIG_UNBLOCK:
- SIGSETNAND(p->p_sigmask, bss);
- break;
-
- case SVR4_SIG_SETMASK:
- p->p_sigmask = bss;
- SIG_CANTMASK(p->p_sigmask);
- break;
-
- default:
- error = EINVAL;
- break;
- }
-
- mtx_exit_sched_quick();
-
- return error;
-}
-
-int
-svr4_sys_sigpending(p, uap)
- struct proc *p;
- struct svr4_sys_sigpending_args *uap;
-{
- sigset_t bss;
- int *retval;
- svr4_sigset_t sss;
-
- DPRINTF(("@@@ svr4_sys_sigpending(%d)\n", p->p_pid));
- retval = p->p_retval;
- switch (SCARG(uap, what)) {
- case 1: /* sigpending */
- if (SCARG(uap, mask) == NULL)
- return 0;
- bss = p->p_siglist;
- SIGSETAND(bss, p->p_sigmask);
- bsd_to_svr4_sigset(&bss, &sss);
- break;
-
- case 2: /* sigfillset */
- svr4_sigfillset(&sss);
-#if defined(DEBUG_SVR4)
- {
- int i;
- for (i = 0; i < 4; i++)
- DPRINTF(("new sigset[%d] = %lx\n", i, (long)sss.bits[i]));
- }
-#endif
- break;
-
- default:
- return EINVAL;
- }
-
- return copyout(&sss, SCARG(uap, mask), sizeof(sss));
-}
-
-int
-svr4_sys_sigsuspend(p, uap)
- register struct proc *p;
- struct svr4_sys_sigsuspend_args *uap;
-{
- svr4_sigset_t sss;
- sigset_t *bss;
- struct sigsuspend_args sa;
- int error;
- caddr_t sg = stackgap_init();
-
- if ((error = copyin(SCARG(uap, ss), &sss, sizeof(sss))) != 0)
- return error;
-
- bss = stackgap_alloc(&sg, sizeof(sigset_t));
- svr4_to_bsd_sigset(&sss, bss);
-
- SCARG(&sa, sigmask) = bss;
- return sigsuspend(p, &sa);
-}
-
-
-int
-svr4_sys_kill(p, uap)
- register struct proc *p;
- struct svr4_sys_kill_args *uap;
-{
- struct kill_args ka;
-
- SCARG(&ka, pid) = SCARG(uap, pid);
- SCARG(&ka, signum) = SVR4_SVR42BSD_SIG(SCARG(uap, signum));
- return kill(p, &ka);
-}
-
-
-int
-svr4_sys_context(p, uap)
- register struct proc *p;
- struct svr4_sys_context_args *uap;
-{
- struct svr4_ucontext uc;
- int error;
-
- switch (uap->func) {
- case 0:
- DPRINTF(("getcontext(%p)\n", uap->uc));
- svr4_getcontext(p, &uc, &p->p_sigmask,
- p->p_sigstk.ss_flags & SS_ONSTACK);
- return copyout(&uc, uap->uc, sizeof(uc));
-
- case 1:
- DPRINTF(("setcontext(%p)\n", uap->uc));
- if ((error = copyin(uap->uc, &uc, sizeof(uc))) != 0)
- return error;
- DPRINTF(("uc_flags = %lx\n", uc.uc_flags));
-#if defined(DEBUG_SVR4)
- {
- int i;
- for (i = 0; i < 4; i++)
- DPRINTF(("uc_sigmask[%d] = %lx\n", i,
- uc.uc_sigmask.bits[i]));
- }
-#endif
- return svr4_setcontext(p, &uc);
-
- default:
- DPRINTF(("context(%d, %p)\n", uap->func,
- uap->uc));
- return ENOSYS;
- }
- return 0;
-}
-
-int
-svr4_sys_pause(p, uap)
- register struct proc *p;
- struct svr4_sys_pause_args *uap;
-{
- struct sigsuspend_args bsa;
-
- SCARG(&bsa, sigmask) = &p->p_sigmask;
- return sigsuspend(p, &bsa);
-}
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