diff options
| author | mrg <mrg@NetBSD.org> | 2013-07-11 08:24:47 +0000 |
|---|---|---|
| committer | mrg <mrg@NetBSD.org> | 2013-07-11 08:24:47 +0000 |
| commit | 2a184dcef9edb0956447c5289f8158bbdb5f4d93 (patch) | |
| tree | ca53914ffcdf1d4f0e5c446f0329e5212a4d5f9a /libexec/httpd/netbsd_queue.h | |
| parent | f26145283e3c76e9716f8ed0d27d5f5e176b7178 (diff) | |
prepare for netbsd to be mastersrc for bozohttpd.
Diffstat (limited to 'libexec/httpd/netbsd_queue.h')
| -rw-r--r-- | libexec/httpd/netbsd_queue.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/libexec/httpd/netbsd_queue.h b/libexec/httpd/netbsd_queue.h new file mode 100644 index 00000000000..906f7314155 --- /dev/null +++ b/libexec/httpd/netbsd_queue.h @@ -0,0 +1,82 @@ +/* $eterna: queue.h,v 1.6 2009/04/18 08:36:03 mrg Exp $ */ +/* from: NetBSD: queue.h,v 1.51 2009/03/11 06:51:53 mrg Exp */ + +/* + * Copyright (c) 1991, 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. 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. + * + * @(#)queue.h 8.5 (Berkeley) 8/20/94 + */ + +#ifndef _SYS_QUEUE_H_ +#define _SYS_QUEUE_H_ + +/* + * Simple queue definitions. + */ +#define SIMPLEQ_HEAD(name, type) \ +struct name { \ + struct type *sqh_first; /* first element */ \ + struct type **sqh_last; /* addr of last next element */ \ +} + +#define SIMPLEQ_ENTRY(type) \ +struct { \ + struct type *sqe_next; /* next element */ \ +} + +/* + * Simple queue functions. + */ +#define SIMPLEQ_INIT(head) do { \ + (head)->sqh_first = NULL; \ + (head)->sqh_last = &(head)->sqh_first; \ +} while (/*CONSTCOND*/0) + +#define SIMPLEQ_INSERT_TAIL(head, elm, field) do { \ + (elm)->field.sqe_next = NULL; \ + *(head)->sqh_last = (elm); \ + (head)->sqh_last = &(elm)->field.sqe_next; \ +} while (/*CONSTCOND*/0) + +#define SIMPLEQ_FOREACH(var, head, field) \ + for ((var) = ((head)->sqh_first); \ + (var); \ + (var) = ((var)->field.sqe_next)) + +#define SIMPLEQ_FOREACH_SAFE(var, head, field, next) \ + for ((var) = ((head)->sqh_first); \ + (var) && ((next = ((var)->field.sqe_next)), 1); \ + (var) = (next)) + +/* + * Simple queue access methods. + */ +#define SIMPLEQ_FIRST(head) ((head)->sqh_first) +#define SIMPLEQ_NEXT(elm, field) ((elm)->field.sqe_next) + +#endif /* !_SYS_QUEUE_H_ */ |
