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Diffstat (limited to 'sys/gnu/fs/xfs/FreeBSD/support/sema.h')
-rw-r--r-- | sys/gnu/fs/xfs/FreeBSD/support/sema.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/sys/gnu/fs/xfs/FreeBSD/support/sema.h b/sys/gnu/fs/xfs/FreeBSD/support/sema.h new file mode 100644 index 0000000..db7795b --- /dev/null +++ b/sys/gnu/fs/xfs/FreeBSD/support/sema.h @@ -0,0 +1,53 @@ +/*- + * Copyright (c) 1992, 1993 + * The Regents of the University of California. 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 by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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 __XFS_SUPPORT_SEMA_H__ +#define __XFS_SUPPORT_SEMA_H__ + +#include <sys/sema.h> + +/* + * sema_t structure just maps to struct sema in FreeBSD kernel. + */ + +typedef struct sema sema_t; + +#define init_sema(sp, val, c, d) sema_init(sp, val, c) +#define initnsema(sp, val, name) sema_init(sp, val, name) +#define psema(sp, b) sema_wait(sp) +#define vsema(sp) sema_post(sp) +#define valusema(sp) sema_value(sp) +#define freesema(sp) sema_destroy(sp) +#define cpsema(sp) sema_trywait(sp) + +#endif /* __XFS_SUPPORT_SEMA_H__ */ |