IABSD.fr/src/usr.bin/top/machine.h

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• Author : kn
  Date : 2020-06-25 20:38:41
  Hash : 9602517c
  Message : Remove unused "remaining" member in struct handle Only ever set or decremented since import with machine.c r1.1 (1997); While here, simplify the skip semantics behind the scroll functionality. OK millert

• usr.bin/top/machine.h

• /* $OpenBSD: machine.h,v 1.29 2020/06/25 20:38:41 kn Exp $	 */
  
  /*
   *  Top users/processes display for Unix
   *  Version 3
   *
   * Copyright (c) 1984, 1989, William LeFebvre, Rice University
   * Copyright (c) 1989, 1990, 1992, William LeFebvre, Northwestern University
   *
   * 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.
   *
   * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR OR HIS EMPLOYER 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.
   */
  
  /*
   *  This file defines the interface between top and the machine-dependent
   *  module.  It is NOT machine dependent and should not need to be changed
   *  for any specific machine.
   */
  
  /*
   * the statics struct is filled in by machine_init
   */
  struct statics {
  	char          **procstate_names;
  	char          **cpustate_names;
  	char          **memory_names;
  	char          **order_names;
  };
  
  /*
   * the system_info struct is filled in by a machine dependent routine.
   */
  
  struct system_info {
  	pid_t           last_pid;
  	double          load_avg[NUM_AVERAGES];
  	int             p_total;
  	int             p_active;	/* number of procs considered
  					 * "active" */
  	int            *procstates;
  	int64_t        *cpustates;
  	int            *cpuonline;
  	int            *memory;
  };
  
  /*
   * cpu_states is an array of percentages * 10.  For example, the (integer)
   * value 105 is 10.5% (or .105).
   */
  
  /*
   * the process_select struct tells get_process_info what processes we
   * are interested in seeing
   */
  
  struct process_select {
  	int             idle;	/* show idle processes */
  	int             system;	/* show system processes */
  	int             threads;	/* show threads */
  	uid_t           uid;	/* only this uid (unless uid == -1) */
  	uid_t           huid;	/* hide this uid (unless huid == -1) */
  	pid_t           pid;	/* only this pid (unless pid == -1) */
  	char           *command;/* only this command (unless == NULL) */
  };
  
  /* prototypes */
  extern int      display_init(struct statics *);
  
  /* machine.c */
  extern int      machine_init(struct statics *);
  extern char    *format_header(char *);
  extern void     get_system_info(struct system_info *);
  extern struct handle
  *get_process_info(struct system_info *, struct process_select *,
  		 int (*) (const void *, const void *));
  extern void     skip_processes(struct handle *, int);
  extern char    *format_next_process(struct handle *,
  		 const char *(*)(uid_t, int), pid_t *);
  extern uid_t    proc_owner(pid_t);
  
  extern struct kinfo_proc	*getprocs(int, int, int *);
  
  int		getncpu(void);
  int		getncpuonline(void);
  int		getfscale(void);