OpenSolaris Launch

1 files changed, 84 insertions, 0 deletions

diff --git a/usr/src/lib/libproc/common/pr_ioctl.c b/usr/src/lib/libproc/common/pr_ioctl.c
new file mode 100644
index 0000000000..c33f778031
--- /dev/null
+++ b/usr/src/lib/libproc/common/pr_ioctl.c
@@ -0,0 +1,84 @@
+/*
+ * 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 <stdlib.h>
+#include <unistd.h>
+#include <errno.h>
+#include <sys/types.h>
+#include "libproc.h"
+
+/*
+ * ioctl() system call -- executed by subject process.
+ */
+int
+pr_ioctl(struct ps_prochandle *Pr, int fd, int code, void *buf, size_t size)
+{
+	sysret_t rval;			/* return value from ioctl() */
+	argdes_t argd[3];		/* arg descriptors for ioctl() */
+	argdes_t *adp = &argd[0];	/* first argument */
+	int error;
+
+	if (Pr == NULL)		/* no subject process */
+		return (ioctl(fd, code, buf));
+
+	adp->arg_value = fd;
+	adp->arg_object = NULL;
+	adp->arg_type = AT_BYVAL;
+	adp->arg_inout = AI_INPUT;
+	adp->arg_size = 0;
+	adp++;			/* move to code argument */
+
+	adp->arg_value = code;
+	adp->arg_object = NULL;
+	adp->arg_type = AT_BYVAL;
+	adp->arg_inout = AI_INPUT;
+	adp->arg_size = 0;
+	adp++;			/* move to buffer argument */
+
+	if (size == 0) {
+		adp->arg_value = (long)buf;
+		adp->arg_object = NULL;
+		adp->arg_type = AT_BYVAL;
+		adp->arg_inout = AI_INPUT;
+		adp->arg_size = 0;
+	} else {
+		adp->arg_value = 0;
+		adp->arg_object = buf;
+		adp->arg_type = AT_BYREF;
+		adp->arg_inout = AI_INOUT;
+		adp->arg_size = size;
+	}
+
+	error = Psyscall(Pr, &rval, SYS_ioctl, 3, &argd[0]);
+
+	if (error) {
+		errno = (error > 0)? error : ENOSYS;
+		return (-1);
+	}
+	return (rval.sys_rval1);
+}