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Diffstat (limited to 'usr/src/lib/libbc/libc/gen/common/mlock.c')
-rw-r--r--usr/src/lib/libbc/libc/gen/common/mlock.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/usr/src/lib/libbc/libc/gen/common/mlock.c b/usr/src/lib/libbc/libc/gen/common/mlock.c
new file mode 100644
index 0000000000..d31c9c6e08
--- /dev/null
+++ b/usr/src/lib/libbc/libc/gen/common/mlock.c
@@ -0,0 +1,46 @@
+/*
+ * 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
+ */
+#pragma ident "%Z%%M% %I% %E% SMI"
+
+/*
+ * Copyright (c) 1988 by Sun Microsystems, Inc.
+ */
+
+#include <sys/types.h>
+#include <sys/mman.h>
+#include <errno.h>
+
+/*
+ * Function to lock address range in memory.
+ */
+
+/*LINTLIBRARY*/
+mlock(addr, len)
+ caddr_t addr;
+ u_int len;
+{
+ if((int)len <= 0) {
+ errno = EINVAL;
+ return(-1);
+ }
+ return (mctl(addr, len, MC_LOCK, 0));
+}