diff options
Diffstat (limited to 'usr/src/lib/libfakekernel/common/sys/semaphore.h')
| -rw-r--r-- | usr/src/lib/libfakekernel/common/sys/semaphore.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/usr/src/lib/libfakekernel/common/sys/semaphore.h b/usr/src/lib/libfakekernel/common/sys/semaphore.h new file mode 100644 index 0000000000..2742daf215 --- /dev/null +++ b/usr/src/lib/libfakekernel/common/sys/semaphore.h @@ -0,0 +1,72 @@ +/* + * 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 (c) 1993-1998 by Sun Microsystems, Inc. + * All rights reserved. + * + * Copyright 2013 Nexenta Systems, Inc. All rights reserved. + */ + +#ifndef _SYS_SEMAPHORE_H +#define _SYS_SEMAPHORE_H + +/* + * Public interface to semaphores. See semaphore(9F) for details. + */ + +#include <sys/synch.h> /* lwp_sema_t */ + +#ifdef __cplusplus +extern "C" { +#endif + +typedef enum { + SEMA_DEFAULT, + SEMA_DRIVER +} ksema_type_t; + +typedef lwp_sema_t ksema_t; + +#define SEMA_HELD(x) (sema_held((x))) + +/* + * We're simulating the kernel mutex API here, and the + * user-level has a different signature, so rename. + */ + +#define sema_init ksema_init +#define sema_destroy ksema_destroy + +extern void ksema_init(ksema_t *, uint32_t, char *, ksema_type_t, void *); +extern void ksema_destroy(ksema_t *); + +extern void sema_p(ksema_t *); +extern int sema_p_sig(ksema_t *); +extern void sema_v(ksema_t *); +extern int sema_tryp(ksema_t *); +extern int sema_held(ksema_t *); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_SEMAPHORE_H */ |