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+/* $NetBSD: linux_sem.h,v 1.1 1995/08/15 21:14:35 fvdl Exp $ */
+
+/*
+ * Copyright (c) 1995 Frank van der Linden
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed for the NetBSD Project
+ * by Frank van der Linden
+ * 4. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _LINUX_SEM_H
+#define _LINUX_SEM_H
+
+/*
+ * Operations for semctl(2), in addition to IPC_STAT and IPC_SET
+ */
+#define LINUX_GETPID 11
+#define LINUX_GETVAL 12
+#define LINUX_GETALL 13
+#define LINUX_GETNCNT 14
+#define LINUX_GETZCNT 15
+#define LINUX_SETVAL 16
+#define LINUX_SETALL 17
+
+/*
+ * Linux semid_ds structure. Internally used pointer fields are not
+ * important to us and have been changed to void *
+ */
+
+struct linux_semid_ds {
+ struct linux_ipc_perm l_sem_perm;
+ linux_time_t l_sem_otime;
+ linux_time_t l_sem_ctime;
+ void *l_sem_base;
+ void *l_eventn;
+ void *l_eventz;
+ void *l_undo;
+ ushort l_sem_nsems;
+};
+
+union linux_semun {
+ int l_val;
+ struct linux_semid_ds *l_buf;
+ ushort *l_array;
+ void *l___buf; /* For unsupported IPC_INFO */
+ void *l___pad;
+};
+
+#endif /* _LINUX_SEM_H */