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Diffstat (limited to 'usr/src/lib/libbc/libc/sys/common/signalmap.c')
-rw-r--r--usr/src/lib/libbc/libc/sys/common/signalmap.c314
1 files changed, 0 insertions, 314 deletions
diff --git a/usr/src/lib/libbc/libc/sys/common/signalmap.c b/usr/src/lib/libbc/libc/sys/common/signalmap.c
deleted file mode 100644
index 7642964fb0..0000000000
--- a/usr/src/lib/libbc/libc/sys/common/signalmap.c
+++ /dev/null
@@ -1,314 +0,0 @@
-/*
- * CDDL HEADER START
- *
- * The contents of this file are subject to the terms of the
- * Common Development and Distribution License, Version 1.0 only
- * (the "License"). You may not use this file except in compliance
- * with the License.
- *
- * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
- * or http://www.opensolaris.org/os/licensing.
- * See the License for the specific language governing permissions
- * and limitations under the License.
- *
- * When distributing Covered Code, include this CDDL HEADER in each
- * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
- * If applicable, add the following below this CDDL HEADER, with the
- * fields enclosed by brackets "[]" replaced with your own identifying
- * information: Portions Copyright [yyyy] [name of copyright owner]
- *
- * CDDL HEADER END
- */
-/*
- * Copyright 1996 Sun Microsystems, Inc. All rights reserved.
- * Use is subject to license terms.
- */
-
-#pragma ident "%Z%%M% %I% %E% SMI"
-
-#include "signalmap.h"
-#include <sys/signal.h>
-#include <sys/errno.h>
-
-extern int errno;
-void (*handlers[32])(); /* XXX - 32??? NSIG, maybe? */
-
-void
-maphandler(int sig, int code, struct sigcontext *scp, char *addr)
-{
- switch (sig) {
- case SIGBUS:
- case SIGSEGV:
- switch (FC_CODE(code)) {
- case 3: /* 5.x value for FC_OBJERR */
- code = FC_MAKE_ERR(FC_ERRNO(code));
- break;
- case 5: /* 5.x value for FC_NOMAP */
- code = FC_NOMAP;
- break;
- }
- break;
- }
- __sendsig(maptooldsig(sig), code, scp, addr, handlers[sig]);
-}
-
-void (*
-signal(int sig, void (*a)(int)))(int)
-{
- int newsig;
-
- struct sigvec osv, sv;
-
- sv.sv_handler = a;
- sv.sv_mask = 0;
-#ifdef S5EMUL
- sv.sv_flags = SV_INTERRUPT|SV_RESETHAND;
-#else
- sv.sv_flags = 0;
-#endif
- if (sigvec(sig, &sv, &osv) < 0)
- return (BADSIG);
- return (osv.sv_handler);
-}
-
-
-int
-sigvec(int sig, struct sigvec *nvec, struct sigvec *ovec)
-{
- int newsig;
- struct sigvec tvec, *tvecp;
- void (*oldhand)(int);
-
- if ((int)nvec == -1 || (int)ovec == -1) {
- errno = EFAULT;
- return (-1);
- }
-
- newsig = maptonewsig(sig);
- oldhand = handlers[newsig];
-
- if ((tvecp = nvec) != 0) {
- tvec = *nvec;
- tvecp = &tvec;
- /*
- * To be compatible with the behavior of SunOS 4.x:
- * If the new signal handler is SIG_IGN or SIG_DFL,
- * do not change the signal's entry in the handler array.
- * This allows a child of vfork(2) to set signal handlers
- * to SIG_IGN or SIG_DFL without affecting the parent.
- */
- if (tvecp->sv_handler != SIG_DFL &&
- tvecp->sv_handler != SIG_IGN) {
- handlers[newsig] = tvecp->sv_handler;
- tvecp->sv_handler = maphandler;
- }
- }
-
- if (ucbsigvec(newsig, tvecp, ovec) == -1) {
- handlers[newsig] = oldhand;
- return (-1);
- }
-
- if (ovec && ovec->sv_handler != SIG_DFL && ovec->sv_handler != SIG_IGN)
- ovec->sv_handler = oldhand;
-
- return (0);
-}
-
-int
-sigsetmask(int mask)
-{
- int ret;
- ret = ucbsigsetmask(maptonewmask(mask));
- return (maptooldmask(ret));
-}
-
-int
-sigblock(int mask)
-{
- int ret;
- ret = ucbsigblock(maptonewmask(mask));
- return (maptooldmask(ret));
-}
-
-
-int
-sigpause(int mask)
-{
- int ret;
- return (ucbsigpause(maptonewmask(mask)));
-}
-
-int
-siginterrupt(int sig, int flag)
-{
- return (ucbsiginterrupt(maptonewsig(sig), flag));
-}
-
-
-int
-maptonewsig(int sig)
-{
- switch (sig) {
- case SIGURG: /* urgent condition on IO channel */
- return (XSIGURG);
- case SIGSTOP: /* sendable stop signal not from tty */
- return (XSIGSTOP);
- case SIGTSTP: /* stop signal from tty */
- return (XSIGTSTP);
- case SIGCONT: /* continue a stopped process */
- return (XSIGCONT);
- case SIGCLD: /* System V name for SIGCHLD */
- return (XSIGCLD);
- case SIGTTIN: /* to readers pgrp upon background tty read */
- return (XSIGTTIN);
- case SIGTTOU: /* like TTIN for output */
- return (XSIGTTOU);
- case SIGIO: /* input/output possible signal */
- return (XSIGIO);
- case SIGXCPU: /* exceeded CPU time limit */
- return (XSIGXCPU);
- case SIGXFSZ: /* exceeded file size limit */
- return (XSIGXFSZ);
- case SIGVTALRM: /* virtual time alarm */
- return (XSIGVTALRM);
- case SIGPROF: /* profiling time alarm */
- return (XSIGPROF);
- case SIGWINCH: /* window changed */
- return (XSIGWINCH);
- case SIGLOST: /* resource lost, not supported */
- return (-1);
- case SIGUSR1:
- return (XSIGUSR1);
- case SIGUSR2: /* user defined signal 2 */
- return (XSIGUSR2);
- default:
- return (sig);
- }
-}
-
-int
-maptooldsig(int sig)
-{
- switch (sig) {
- case XSIGURG: /* urgent condition on IO channel */
- return (SIGURG);
- case XSIGSTOP: /* sendable stop signal not from tty */
- return (SIGSTOP);
- case XSIGTSTP: /* stop signal from tty */
- return (SIGTSTP);
- case XSIGCONT: /* continue a stopped process */
- return (SIGCONT);
- case XSIGCLD: /* System V name for SIGCHLD */
- return (SIGCLD);
- case XSIGTTIN: /* to readers pgrp upon background tty read */
- return (SIGTTIN);
- case XSIGTTOU: /* like TTIN for output */
- return (SIGTTOU);
- case XSIGIO: /* input/output possible signal */
- return (SIGIO);
- case XSIGXCPU: /* exceeded CPU time limit */
- return (SIGXCPU);
- case XSIGXFSZ: /* exceeded file size limit */
- return (SIGXFSZ);
- case XSIGVTALRM: /* virtual time alarm */
- return (SIGVTALRM);
- case XSIGPROF: /* profiling time alarm */
- return (SIGPROF);
- case XSIGWINCH: /* window changed */
- return (SIGWINCH);
- case XSIGUSR1:
- return (SIGUSR1);
- case XSIGUSR2: /* user defined signal 2 */
- return (SIGUSR2);
- case XSIGPWR: /* user defined signal 2 */
- return (-1);
- default:
- return (sig);
- }
-}
-
-int
-maptooldmask(int mask)
-{
- int omask;
-
- omask = mask & 0x7FFF; /* these signo are same */
-
- if (mask & sigmask(XSIGURG))
- omask |= sigmask(SIGURG);
- if (mask & sigmask(XSIGSTOP))
- omask |= sigmask(SIGSTOP);
- if (mask & sigmask(XSIGTSTP))
- omask |= sigmask(SIGTSTP);
- if (mask & sigmask(XSIGCONT))
- omask |= sigmask(SIGCONT);
- if (mask & sigmask(XSIGCLD))
- omask |= sigmask(SIGCLD);
- if (mask & sigmask(XSIGTTIN))
- omask |= sigmask(SIGTTIN);
- if (mask & sigmask(XSIGTTOU))
- omask |= sigmask(SIGTTOU);
- if (mask & sigmask(XSIGIO))
- omask |= sigmask(SIGIO);
- if (mask & sigmask(XSIGXCPU))
- omask |= sigmask(SIGXCPU);
- if (mask & sigmask(XSIGXFSZ))
- omask |= sigmask(SIGXFSZ);
- if (mask & sigmask(XSIGVTALRM))
- omask |= sigmask(SIGVTALRM);
- if (mask & sigmask(XSIGPROF))
- omask |= sigmask(SIGPROF);
- if (mask & sigmask(XSIGWINCH))
- omask |= sigmask(SIGWINCH);
- if (mask & sigmask(XSIGUSR1))
- omask |= sigmask(SIGUSR1);
- if (mask & sigmask(XSIGUSR2))
- omask |= sigmask(SIGUSR2);
- return (omask);
-}
-
-
-int
-maptonewmask(int omask)
-{
- int mask;
-
- if (omask == -1) {
- return (-1);
- }
-
- mask = omask & 0x7FFF; /* these signo are the same */
-
- if (omask & sigmask(SIGURG))
- mask |= sigmask(XSIGURG);
- if (omask & sigmask(SIGSTOP))
- mask |= sigmask(XSIGSTOP);
- if (omask & sigmask(SIGTSTP))
- mask |= sigmask(XSIGTSTP);
- if (omask & sigmask(SIGCONT))
- mask |= sigmask(XSIGCONT);
- if (omask & sigmask(SIGCLD))
- mask |= sigmask(XSIGCLD);
- if (omask & sigmask(SIGTTIN))
- mask |= sigmask(XSIGTTIN);
- if (omask & sigmask(SIGTTOU))
- mask |= sigmask(XSIGTTOU);
- if (omask & sigmask(SIGIO))
- mask |= sigmask(XSIGIO);
- if (omask & sigmask(SIGXCPU))
- mask |= sigmask(XSIGXCPU);
- if (omask & sigmask(SIGXFSZ))
- mask |= sigmask(XSIGXFSZ);
- if (omask & sigmask(SIGVTALRM))
- mask |= sigmask(XSIGVTALRM);
- if (omask & sigmask(SIGPROF))
- mask |= sigmask(XSIGPROF);
- if (omask & sigmask(SIGWINCH))
- mask |= sigmask(XSIGWINCH);
- if (omask & sigmask(SIGUSR1))
- mask |= sigmask(XSIGUSR1);
- if (omask & sigmask(SIGUSR2))
- mask |= sigmask(XSIGUSR2);
- return (mask);
-}
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