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      1 /*	$NetBSD: thread.h,v 1.3 2023/08/10 20:36:28 mrg Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2006 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Anon Ymous.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #ifdef THREAD_SUPPORT
     33 
     34 #ifndef __THREAD_H__
     35 #define __THREAD_H__
     36 
     37 #if 0
     38 #define NDEBUG	/* disable the asserts */
     39 #endif
     40 
     41 /*
     42  * The core message control routines.  Without thread support, they
     43  * live in fio.c.
     44  */
     45 struct message *next_message(struct message *);
     46 struct message *prev_message(struct message *);
     47 struct message *get_message(int);
     48 int	 get_msgnum(struct message *);
     49 int	 get_msgCount(void);
     50 
     51 /* These give special access to the message array needed in lex.c */
     52 struct message *get_abs_message(int);
     53 struct message *next_abs_message(struct message *);
     54 int	 get_abs_msgCount(void);
     55 
     56 /*
     57  * Support hooks used by other modules.
     58  */
     59 void	 thread_fix_old_links(struct message *, ptrdiff_t, int);
     60 void	 thread_fix_new_links(struct message *, int, int);
     61 int	 thread_hidden(void);
     62 int	 thread_depth(void);
     63 int	 do_recursion(void);
     64 int	 thread_recursion(struct message *, int (*)(struct message *, void *), void *);
     65 const char *thread_next_key_name(const void **);
     66 
     67 /*
     68  * Commands.
     69  */
     70 /* thread setup */
     71 int	 flattencmd(void *);
     72 int	 reversecmd(void *v);
     73 int	 sortcmd(void *);
     74 int	 threadcmd(void *);
     75 int	 unthreadcmd(void *);
     76 
     77 /* thread navigation */
     78 int	 downcmd(void *);
     79 int	 tsetcmd(void *);
     80 int	 upcmd(void *);
     81 
     82 /* thread display */
     83 int	 exposecmd(void *);
     84 int	 hidecmd(void *);
     85 
     86 /* tag commands */
     87 int	 invtagscmd(void *);
     88 int	 tagbelowcmd(void *);
     89 int	 tagcmd(void *);
     90 int	 untagcmd(void *);
     91 
     92 /* tag display */
     93 int	 hidetagscmd(void *);
     94 int	 showtagscmd(void *);
     95 
     96 /* something special */
     97 int	 deldupscmd(void *);
     98 
     99 #define ENAME_RECURSIVE_CMDS	"recursive-commands"
    100 
    101 /*
    102  * Debugging stuff that should go away.
    103  */
    104 #define THREAD_DEBUG
    105 #ifdef THREAD_DEBUG
    106 int	 thread_showcmd(void *);
    107 #endif /* THREAD_DEBUG */
    108 
    109 #endif /* __THREAD_H__ */
    110 #endif /* THREAD_SUPPORT */
    111