OpenSolaris Launch

1 files changed, 172 insertions, 0 deletions

diff --git a/usr/src/lib/libproc/common/pr_getitimer.c b/usr/src/lib/libproc/common/pr_getitimer.c
new file mode 100644
index 0000000000..80e1fafdd3
--- /dev/null
+++ b/usr/src/lib/libproc/common/pr_getitimer.c
@@ -0,0 +1,172 @@
+/*
+ * 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 (c) 1997-2000 by Sun Microsystems, Inc.
+ * All rights reserved.
+ */
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#include <sys/isa_defs.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <errno.h>
+#include "libproc.h"
+
+/*
+ * getitimer() system call -- executed by victim process.
+ */
+int
+pr_getitimer(struct ps_prochandle *Pr, int which, struct itimerval *itv)
+{
+	sysret_t rval;		/* return value from getitimer() */
+	argdes_t argd[2];	/* arg descriptors for getitimer() */
+	argdes_t *adp;
+	int error;
+#ifdef _LP64
+	int victim32 = (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32);
+	struct itimerval32 itimerval32;
+#endif
+
+	if (Pr == NULL)		/* no victim process */
+		return (getitimer(which, itv));
+
+	adp = &argd[0];		/* which argument */
+	adp->arg_value = which;
+	adp->arg_type = AT_BYVAL;
+	adp->arg_inout = AI_INPUT;
+	adp->arg_object = NULL;
+	adp->arg_size = 0;
+
+	adp++;			/* itv argument */
+	adp->arg_value = 0;
+	adp->arg_type = AT_BYREF;
+	adp->arg_inout = AI_OUTPUT;
+#ifdef _LP64
+	if (victim32) {
+		adp->arg_object = &itimerval32;
+		adp->arg_size = sizeof (itimerval32);
+	} else {
+		adp->arg_object = itv;
+		adp->arg_size = sizeof (*itv);
+	}
+#else	/* _LP64 */
+	adp->arg_object = itv;
+	adp->arg_size = sizeof (*itv);
+#endif	/* _LP64 */
+
+	error = Psyscall(Pr, &rval, SYS_getitimer, 2, &argd[0]);
+
+	if (error) {
+		errno = (error > 0)? error : ENOSYS;
+		return (-1);
+	}
+#ifdef _LP64
+	if (victim32) {
+		ITIMERVAL32_TO_ITIMERVAL(itv, &itimerval32);
+	}
+#endif	/* _LP64 */
+	return (rval.sys_rval1);
+}
+
+/*
+ * setitimer() system call -- executed by victim process.
+ */
+int
+pr_setitimer(struct ps_prochandle *Pr,
+	int which, const struct itimerval *itv, struct itimerval *oitv)
+{
+	sysret_t rval;		/* return value from setitimer() */
+	argdes_t argd[3];	/* arg descriptors for setitimer() */
+	argdes_t *adp;
+	int error;
+#ifdef _LP64
+	int victim32 = (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32);
+	struct itimerval32 itimerval32;
+	struct itimerval32 oitimerval32;
+#endif	/* _LP64 */
+
+	if (Pr == NULL)		/* no victim process */
+		return (setitimer(which, (struct itimerval *)itv, oitv));
+
+	adp = &argd[0];		/* which argument */
+	adp->arg_value = which;
+	adp->arg_type = AT_BYVAL;
+	adp->arg_inout = AI_INPUT;
+	adp->arg_object = NULL;
+	adp->arg_size = 0;
+
+	adp++;			/* itv argument */
+	adp->arg_value = 0;
+	adp->arg_type = AT_BYREF;
+	adp->arg_inout = AI_INPUT;
+#ifdef _LP64
+	if (victim32) {
+		ITIMERVAL_TO_ITIMERVAL32(&itimerval32, itv);
+		adp->arg_object = (void *)&itimerval32;
+		adp->arg_size = sizeof (itimerval32);
+	} else {
+		adp->arg_object = (void *)itv;
+		adp->arg_size = sizeof (*itv);
+	}
+#else	/* _LP64 */
+	adp->arg_object = (void *)itv;
+	adp->arg_size = sizeof (*itv);
+#endif	/* _LP64 */
+
+	adp++;			/* oitv argument */
+	adp->arg_value = 0;
+	if (oitv == 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 (victim32) {
+			adp->arg_object = (void *)&oitimerval32;
+			adp->arg_size = sizeof (oitimerval32);
+		} else {
+			adp->arg_object = oitv;
+			adp->arg_size = sizeof (*oitv);
+		}
+#else	/* _LP64 */
+		adp->arg_object = oitv;
+		adp->arg_size = sizeof (*oitv);
+#endif	/* _LP64 */
+	}
+
+	error = Psyscall(Pr, &rval, SYS_setitimer, 3, &argd[0]);
+
+	if (error) {
+		errno = (error > 0)? error : ENOSYS;
+		return (-1);
+	}
+#ifdef _LP64
+	if (victim32 && oitv != NULL) {
+		ITIMERVAL32_TO_ITIMERVAL(oitv, &oitimerval32);
+	}
+#endif	/* _LP64 */
+	return (rval.sys_rval1);
+}