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/*
* 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 1997-2003 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/isa_defs.h>
#include <stdlib.h>
#include <unistd.h>
#include <signal.h>
#include <memory.h>
#include <errno.h>
#include "P32ton.h"
#include "libproc.h"
/*
* sigaction() system call -- executed by subject process.
*/
int
pr_sigaction(struct ps_prochandle *Pr,
int sig, const struct sigaction *act, struct sigaction *oact)
{
sysret_t rval; /* return value from sigaction() */
argdes_t argd[3]; /* arg descriptors for sigaction() */
argdes_t *adp;
int error;
#ifdef _LP64
struct sigaction32 act32;
struct sigaction32 oact32;
#endif /* _LP64 */
if (Pr == NULL) /* no subject process */
return (sigaction(sig, act, oact));
adp = &argd[0]; /* sig argument */
adp->arg_value = sig;
adp->arg_object = NULL;
adp->arg_type = AT_BYVAL;
adp->arg_inout = AI_INPUT;
adp->arg_size = 0;
adp++; /* act argument */
adp->arg_value = 0;
if (act == NULL) {
adp->arg_type = AT_BYVAL;
adp->arg_inout = AI_INPUT;
adp->arg_object = NULL;
adp->arg_size = 0;
} else {
adp->arg_type = AT_BYREF;
adp->arg_inout = AI_INPUT;
#ifdef _LP64
if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32) {
sigaction_n_to_32(act, &act32);
adp->arg_object = &act32;
adp->arg_size = sizeof (act32);
} else {
adp->arg_object = (void *)act;
adp->arg_size = sizeof (*act);
}
#else /* _LP64 */
adp->arg_object = (void *)act;
adp->arg_size = sizeof (*act);
#endif /* _LP64 */
}
adp++; /* oact argument */
adp->arg_value = 0;
if (oact == NULL) {
adp->arg_type = AT_BYVAL;
adp->arg_inout = AI_INPUT;
adp->arg_object = NULL;
adp->arg_size = 0;
} else {
adp->arg_type = AT_BYREF;
adp->arg_inout = AI_OUTPUT;
#ifdef _LP64
if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32) {
adp->arg_object = &oact32;
adp->arg_size = sizeof (oact32);
} else {
adp->arg_object = oact;
adp->arg_size = sizeof (*oact);
}
#else /* _LP64 */
adp->arg_object = oact;
adp->arg_size = sizeof (*oact);
#endif /* _LP64 */
}
error = Psyscall(Pr, &rval, SYS_sigaction, 3, &argd[0]);
if (error) {
errno = (error > 0)? error : ENOSYS;
return (-1);
}
#ifdef _LP64
if (oact != NULL && Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32)
sigaction_32_to_n(&oact32, oact);
#endif /* _LP64 */
return (rval.sys_rval1);
}
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