1 files changed, 118 insertions, 0 deletions
diff --git a/usr/src/lib/libbc/libc/sys/common/semsys.c b/usr/src/lib/libbc/libc/sys/common/semsys.c
new file mode 100644
index 0000000000..be523f6a3a
--- /dev/null
+++ b/usr/src/lib/libbc/libc/sys/common/semsys.c
@@ -0,0 +1,118 @@
+/*
+ * 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 2005 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+/*      Copyright (c) 1984 AT&T */
+/*        All Rights Reserved   */
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI" 
+
+#include	<syscall.h>
+#include	<varargs.h>
+#include	<sys/types.h>
+#include	<sys/ipc.h>
+#include	<sys/sem.h>
+
+/* semsys dispatch argument */
+#define SEMCTL  0
+#define SEMGET  1
+#define SEMOP   2
+
+/*VARARGS3*/
+semctl(semid, semnum, cmd, arg)
+int semid, cmd;
+int semnum;
+union semun arg;
+{
+	switch (cmd) {
+
+	case IPC_STAT:
+	case IPC_SET:
+		cmd += 10;
+		/* fall-through */
+	case SETVAL:
+	case GETALL:
+	case SETALL:
+		return(_syscall(SYS_semsys,SEMCTL,semid,semnum,cmd,arg.val));
+
+	case IPC_RMID:
+		cmd += 10;
+		/* fall-through */
+	default:
+		return(_syscall(SYS_semsys,SEMCTL,semid,semnum,cmd,0));
+	}
+}
+
+semget(key, nsems, semflg)
+key_t key;
+int nsems, semflg;
+{
+	return(_syscall(SYS_semsys, SEMGET, key, nsems, semflg));
+}
+
+semop(semid, sops, nsops)
+int semid;
+struct sembuf *sops;
+int nsops;
+{
+	return(_syscall(SYS_semsys, SEMOP, semid, sops, nsops));
+}
+
+semsys(sysnum, va_alist)
+int sysnum;
+va_dcl
+{
+	va_list ap;
+	int semid, cmd;
+	int semnum, val;
+	union semun arg;
+	key_t key;
+	int nsems, semflg;
+	struct sembuf *sops;
+	int nsops;
+
+	va_start(ap);
+	switch (sysnum) {
+	case SEMCTL:
+		semid=va_arg(ap, int);
+		semnum=va_arg(ap, int);
+		cmd=va_arg(ap, int);
+		val=va_arg(ap, int);
+		if ((cmd == IPC_STAT) || (cmd == IPC_SET) || (cmd == IPC_RMID))
+			cmd += 10;
+		return(_syscall(SYS_semsys, SEMCTL, semid, semnum, cmd, val));
+	case SEMGET:
+		key=va_arg(ap, key_t);
+		nsems=va_arg(ap, int);
+		semflg=va_arg(ap, int);
+		return(semget(key, nsems, semflg));
+	case SEMOP:
+		semid=va_arg(ap, int);
+		sops=va_arg(ap, struct sembuf *);
+		nsops=va_arg(ap, int);
+		return(semop(semid, sops, nsops));
+	}
+}
+