Security-57031.1.35.tar.gz

[apple/security.git] / Security / libsecurityd / lib / SharedMemoryCommon.h

diff --git a/Security/libsecurityd/lib/SharedMemoryCommon.h b/Security/libsecurityd/lib/SharedMemoryCommon.h
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+/*
+ * Copyright (c) 2011,2014 Apple Inc. All Rights Reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ * 
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ */
+
+#ifndef __SHARED_MEMORY_COMMON__
+#define __SHARED_MEMORY_COMMON__
+
+
+
+#include <sys/types.h>
+
+const unsigned kSegmentSize = 4096;
+const unsigned kNumberOfSegments = 8;
+const unsigned kSharedMemoryPoolSize = kSegmentSize * kNumberOfSegments;
+
+const unsigned kBytesWrittenOffset = 0;
+const unsigned kBytesWrittenLength = 4;
+const unsigned kPoolAvailableForData = kSharedMemoryPoolSize - kBytesWrittenLength;
+
+typedef u_int32_t SegmentOffsetType;
+
+#define SECURITY_MESSAGES_NAME "SecurityMessages"
+
+#endif