summaryrefslogtreecommitdiff
path: root/usr/src/lib/librt/common/shm.c
diff options
context:
space:
mode:
Diffstat (limited to 'usr/src/lib/librt/common/shm.c')
-rw-r--r--usr/src/lib/librt/common/shm.c99
1 files changed, 0 insertions, 99 deletions
diff --git a/usr/src/lib/librt/common/shm.c b/usr/src/lib/librt/common/shm.c
deleted file mode 100644
index bd27c0ed48..0000000000
--- a/usr/src/lib/librt/common/shm.c
+++ /dev/null
@@ -1,99 +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 2006 Sun Microsystems, Inc. All rights reserved.
- * Use is subject to license terms.
- */
-
-#pragma ident "%Z%%M% %I% %E% SMI"
-
-#include "c_synonyms.h"
-#include <sys/types.h>
-#include <sys/mman.h>
-#include <fcntl.h>
-#include <limits.h>
-#include <errno.h>
-#include "pos4obj.h"
-
-int
-shm_open(const char *path, int oflag, mode_t mode)
-{
- int flag, fd, flags;
-
- if (__pos4obj_check(path) == -1) {
- return (-1);
- }
-
- /* acquire semaphore lock to have atomic operation */
- if ((__pos4obj_lock(path, SHM_LOCK_TYPE)) < 0) {
- return (-1);
- }
-
- fd = __pos4obj_open(path, SHM_DATA_TYPE, oflag, mode, &flag);
-
- if (fd < 0) {
- (void) __pos4obj_unlock(path, SHM_LOCK_TYPE);
- return (-1);
- }
-
-
- if ((flags = fcntl(fd, F_GETFD)) < 0) {
- (void) __pos4obj_unlock(path, SHM_LOCK_TYPE);
- return (-1);
- }
-
- if ((fcntl(fd, F_SETFD, flags|FD_CLOEXEC)) < 0) {
- (void) __pos4obj_unlock(path, SHM_LOCK_TYPE);
- return (-1);
- }
-
- /* relase semaphore lock operation */
- if (__pos4obj_unlock(path, SHM_LOCK_TYPE) < 0) {
- return (-1);
- }
- return (fd);
-
-}
-
-int
-shm_unlink(const char *path)
-{
- int oerrno;
- int err;
-
- if (__pos4obj_check(path) < 0)
- return (-1);
-
- if (__pos4obj_lock(path, SHM_LOCK_TYPE) < 0)
- return (-1);
-
- err = __pos4obj_unlink(path, SHM_DATA_TYPE);
-
- oerrno = errno;
-
- (void) __pos4obj_unlock(path, SHM_LOCK_TYPE);
-
- errno = oerrno;
- return (err);
-
-}