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729a25ee1c
procps/top/top.h
Jim Warner 729a25ee1c top: cosmetic changes with two abreast summary display <=== port of newlib bf916fdf 
______________________________ original newlib message

This commit will change some comments, adjust a little
whitespace but mostly rename some #define identifiers.

Signed-off-by: Jim Warner <james.warner@comcast.net>
2022-09-20 19:34:40 +10:00

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/* top.h - Header file: show Linux processes */
/*
* Copyright (c) 2002-2022, by: Jim Warner <james.warner@comcast.net
*
* This file may be used subject to the terms and conditions of the
* GNU Library General Public License Version 2, or any later version
* at your option, as published by the Free Software Foundation.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Library General Public License for more details.
*/
/* For contributions to this program, the author wishes to thank:
* Craig Small, <csmall@dropbear.xyz>
* Albert D. Cahalan, <albert@users.sf.net>
* Sami Kerola, <kerolasa@iki.fi>
*/
#ifndef _Itop
#define _Itop
#include "../proc/readproc.h"
/* Defines represented in configure.ac ----------------------------- */
//#define BOOST_MEMORY /* enable extra precision in memory fields */
//#define BOOST_PERCNT /* enable extra precision for two % fields */
//#define ORIG_TOPDEFS /* with no rcfile retain original defaults */
//#define SIGNALS_LESS /* favor reduced signal load over response */
/* Development/Debugging defines ----------------------------------- */
//#define ATEOJ_RPTHSH /* report on hash specifics, at end-of-job */
//#define ATEOJ_RPTSTD /* report on some miscellany at end-of-job */
//#define BOT_DEAD_ZAP /* zap Ctrl bottom window when target dies */
//#define BOT_STRV_OFF /* don't emphasize strv w/ focus if spaces */
//#define CASEUP_HEXES /* show all those hex values in upper case */
//#define CASEUP_SUFIX /* show time/mem/cnts suffix in upper case */
//#define CPU_ZEROTICS /* tolerate few tics when cpu off vs. idle */
//#define EQUCOLHDRYES /* yes, equalize the column header lengths */
//#define FOCUS_HARD_Y /* 'F' will avoid topmost task distortions */
//#define FOCUS_TREE_X /* 'F' resets forest view indentation to 0 */
//#define FOCUS_VIZOFF /* 'F' doesn't provide the visual clue '|' */
//#define GETOPTFIX_NO /* do not address getopt_long deficiencies */
//#define INSP_JUSTNOT /* do not smooth unprintable right margins */
//#define INSP_OFFDEMO /* disable demo screens, issue msg instead */
//#define INSP_SAVEBUF /* preserve 'Insp_buf' contents via a file */
//#define INSP_SLIDE_1 /* when scrolling left/right, don't move 8 */
//#define MEMGRAPH_OLD /* don't use 'available' when graphing Mem */
//#define OFF_HST_HASH /* use BOTH qsort+bsrch vs. hashing scheme */
//#define OFF_NUMASKIP /* do NOT skip numa nodes if discontinuous */
//#define OFF_SCROLLBK /* disable tty emulators scrollback buffer */
//#define OFF_STDERROR /* disable our stderr buffering (redirect) */
//#define OFF_STDIOLBF /* disable our own stdout 'IOFBF' override */
//#define OFF_XTRAWIDE /* disable our extra wide multi-byte logic */
//#define OVERTYPE_SEE /* display a visual hint for overtype mode */
//#define PRETEND0NUMA /* pretend that there ain't any numa nodes */
//#define PRETEND2_5_X /* pretend we're linux 2.5.x (for IO-wait) */
//#define PRETEND48CPU /* pretend we're smp with 48 ticsers (sic) */
//#define PRETENDNOCAP /* pretend terminal missing essential caps */
//#define RCFILE_NOERR /* rcfile errs silently default, vs. fatal */
//#define RECALL_FIXED /* don't reorder saved strings if recalled */
//#define RMAN_IGNORED /* don't consider auto right margin glitch */
//#define SCALE_FORMER /* scale_tics() guy shouldn't mimic uptime */
//#define SCALE_POSTFX /* scale_tics() try without a 'h,d' suffix */
//#define SCROLLVAR_NO /* disable intra-column horizontal scrolls */
//#define SCROLLV_BY_1 /* when scrolling left/right do not move 8 */
//#define STRINGCASENO /* case insenstive compare/locate versions */
//#define TERMIOS_ONLY /* use native input only (just limp along) */
//#define TOG4_MEM_1UP /* don't show two abreast memory statistic */
//#define TOG4_SEP_OFF /* don't show two abreast visual separator */
//#define TOG4_SEP_STD /* normal mem sep if 2 abreast & no graphs */
//#define TREE_NORESET /* sort keys should not force 'V' view off */
//#define TREE_SCANALL /* rescan array w/ forest view, avoid sort */
//#define TREE_VALTMRK /* use an indented '+' with collapsed pids */
//#define TREE_VCPUOFF /* a collapsed parent excludes child's cpu */
//#define TREE_VPROMPT /* pid collapse/expand prompt, vs. top row */
//#define TREE_VWINALL /* pid collapse/expand impacts all windows */
//#define USE_X_COLHDR /* emphasize header vs. whole col, for 'x' */
//#define VALIDATE_NLS /* ensure the integrity of four nls tables */
//#define WIDEN_COLUMN /* base column widths on translated header */
/*###### Notes, etc. ###################################################*/
/* The following convention is used to identify those areas where
adaptations for hotplugging are to be found ...
*** hotplug_acclimated ***
( hopefully libproc will also be supportive of our efforts ) */
/* For introducing inaugural cgroup support, thanks to:
Jan Gorig <jgorig@redhat.com> - April, 2011 */
/* For the motivation and path to nls support, thanks to:
Sami Kerola, <kerolasa@iki.fi> - December, 2011 */
/* There are still some short strings that may yet be candidates
for nls support inclusion. They're identified with:
// nls_maybe */
/* For initiating the topic of potential % CPU distortions due to
to kernel and/or cpu anomalies (see CPU_ZEROTICS), thanks to:
Jaromir Capik, <jcapik@redhat.com> - February, 2012 */
/* For the impetus and NUMA/Node prototype design, thanks to:
Lance Shelton <LShelton@fusionio.com> - April, 2013 */
/* For prompting & helping with top's utf-8 support, thanks to:
Göran Uddeborg <goeran@uddeborg.se> - September, 2017 */
// pretend as if #define _GNU_SOURCE
char *strcasestr(const char *haystack, const char *needle);
#ifdef STRINGCASENO
#define STRSTR strcasestr
#define STRCMP strcasecmp
#else
#define STRSTR strstr
#define STRCMP strcmp
#endif
/*###### Some Miscellaneous constants ##################################*/
/* The default delay twix updates */
#ifdef ORIG_TOPDEFS
#define DEF_DELAY 3.0
#else
#define DEF_DELAY 1.5
#endif
/* Length of time a message is displayed and the duration
of a 'priming' wait during library startup (in microseconds) */
#define MSG_USLEEP 1250000
#define LIB_USLEEP 150000
/* Specific process id monitoring support (command line only) */
#define MONPIDMAX 20
/* Output override minimums (the -w switch and/or env vars) */
#define W_MIN_COL 3
#define W_MIN_ROW 3
/* Miscellaneous buffers with liberal values and some other defines
-- mostly just to pinpoint source code usage/dependancies */
#define SCREENMAX 512
/* the above might seem pretty stingy, until you consider that with every
field displayed the column header would be approximately 250 bytes
-- so SCREENMAX provides for all fields plus a 250+ byte command line */
#define CAPBUFSIZ 32
#define CLRBUFSIZ 64
#define PFLAGSSIZ 100
#define SMLBUFSIZ 128
#define MEDBUFSIZ 256
#define LRGBUFSIZ 512
#define OURPATHSZ 1024
#define BIGBUFSIZ 2048
#define BOTBUFSIZ 16384
// next is same as library's max buffer size
#define MAXBUFSIZ (1024*64*2)
/* in addition to the actual display data, our row might have to accommodate
many termcap/color transitions - these definitions ensure we have room */
#define ROWMINSIZ ( SCREENMAX + 8 * (CAPBUFSIZ + CLRBUFSIZ) )
#define ROWMAXSIZ ( SCREENMAX + 16 * (CAPBUFSIZ + CLRBUFSIZ) )
// minimum size guarantee for dynamically acquired 'readfile' buffer
#define READMINSZ 2048
// size of preallocated search string buffers, same as ioline()
#define FNDBUFSIZ MEDBUFSIZ
// space between task fields/columns
#define COLPADSTR " "
#define COLPADSIZ ( sizeof(COLPADSTR) - 1 )
// continuation ch when field/column truncated
#define COLPLUSCH '+'
// support for keyboard stuff (cursor motion keystrokes, mostly)
#define kbd_ESC '\033'
#define kbd_SPACE ' '
#define kbd_ENTER '\n'
#define kbd_UP 129
#define kbd_DOWN 130
#define kbd_LEFT 131
#define kbd_RIGHT 132
#define kbd_PGUP 133
#define kbd_PGDN 134
#define kbd_HOME 135
#define kbd_END 136
#define kbd_BKSP 137
#define kbd_INS 138
#define kbd_DEL 139
#define kbd_BTAB 140
#define kbd_CtrlE '\005'
#define kbd_CtrlG '\007'
#define kbd_CtrlI '\011'
#define kbd_CtrlK '\013'
#define kbd_CtrlL '\014'
#define kbd_CtrlN '\016'
#define kbd_CtrlO '\017'
#define kbd_CtrlP '\020'
#define kbd_CtrlU '\025'
/* Special value in Pseudo_row to force an additional procs refresh
-- used at startup and for task/thread mode transitions */
#define PROC_XTRA -1
#ifndef CPU_ZEROTICS
/* This is the % used in establishing the tics threshold below
which a cpu is treated as 'idle' rather than displaying
misleading state percentages */
#define TICS_EDGE 20
#endif
/* ##### Enum's and Typedef's ############################################ */
/* Flags for each possible field (and then some) --
these MUST be kept in sync with the FLD_t Fieldstab[] array !! */
enum pflag {
EU_PID = 0, EU_PPD,
EU_UED, EU_UEN, EU_URD, EU_URN, EU_USD, EU_USN,
EU_GID, EU_GRP, EU_PGD, EU_TTY, EU_TPG, EU_SID,
EU_PRI, EU_NCE, EU_THD,
EU_CPN, EU_CPU, EU_TME, EU_TM2,
EU_MEM, EU_VRT, EU_SWP, EU_RES, EU_COD, EU_DAT, EU_SHR,
EU_FL1, EU_FL2, EU_DRT,
EU_STA, EU_CMD, EU_WCH, EU_FLG, EU_CGR,
EU_SGD, EU_SGN, EU_TGD,
EU_OOA, EU_OOM,
EU_ENV,
EU_FV1, EU_FV2,
EU_USE,
EU_NS1, EU_NS2, EU_NS3, EU_NS4, EU_NS5, EU_NS6,
EU_LXC,
EU_RZA, EU_RZF, EU_RZL, EU_RZS,
EU_CGN,
EU_NMA,
EU_TM3,
#ifdef USE_X_COLHDR
// not really pflags, used with tbl indexing
EU_MAXPFLGS
#else
// not really pflags, used with tbl indexing & col highlighting
EU_MAXPFLGS, EU_XON, EU_XOF
#endif
};
/* The scaling 'target' used with memory fields */
enum scale_enum {
SK_Kb, SK_Mb, SK_Gb, SK_Tb, SK_Pb, SK_Eb
};
/* Used to manipulate (and document) the Frames_signal states */
enum resize_states {
BREAK_off = 0, BREAK_kbd, BREAK_sig, BREAK_autox, BREAK_screen
};
/* This typedef just ensures consistent 'process flags' handling */
typedef unsigned char FLG_t;
/* These typedefs attempt to ensure consistent 'ticks' handling */
typedef unsigned long long TIC_t;
typedef long long SIC_t;
/* Sort support, callback function signature */
typedef int (*QFP_t)(const void *, const void *);
/* This structure consolidates the information that's used
in a variety of display roles. */
typedef struct FLD_t {
int width; // field width, if applicable
int scale; // scaled target, if applicable
const int align; // the default column alignment flag
const QFP_t sort; // sort function
const int lflg; // PROC_FILLxxx flag(s) needed by this field
} FLD_t;
#ifdef OFF_HST_HASH
/* This structure supports 'history' processing and records the
bare minimum of needed information from one frame to the next --
we don't calc and save data that goes unused like the old top. */
typedef struct HST_t {
TIC_t tics; // last frame's tics count
unsigned long maj, min; // last frame's maj/min_flt counts
int pid; // record 'key'
} HST_t;
#else
/* This structure supports 'history' processing and records the bare
minimum of needed information from one frame to the next -- we do
not calc and save data that goes unused like the old top nor will
we incur the additional overhead of sort to support binary search
(or worse, a friggin' for loop) when retrievals become necessary! */
typedef struct HST_t {
TIC_t tics; // last frame's tics count
unsigned long maj, min; // last frame's maj/min_flt counts
int pid; // record 'key'
int lnk; // next on hash chain
} HST_t;
#endif
/* These 2 structures store a frame's cpu tics used in history
calculations. They exist primarily for SMP support but serve
all environments. */
typedef struct CT_t {
/* other kernels: u == user/us, n == nice/ni, s == system/sy, i == idle/id
2.5.41 kernel: w == IO-wait/wa (io wait time)
2.6.0 kernel: x == hi (hardware irq time), y == si (software irq time)
2.6.11 kernel: z == st (virtual steal time) */
TIC_t u, n, s, i, w, x, y, z; // as represented in /proc/stat
#ifndef CPU_ZEROTICS
SIC_t tot; // total from /proc/stat line 1
#endif
} CT_t;
typedef struct CPU_t {
CT_t cur; // current frame's cpu tics
CT_t sav; // prior frame's cpu tics
#ifndef CPU_ZEROTICS
SIC_t edge; // tics adjustment threshold boundary
#endif
int id; // cpu number (0 - nn), or numa active flag
int node; // the numa node it belongs to
} CPU_t;
/* /////////////////////////////////////////////////////////////// */
/* Special Section: multiple windows/field groups --------------- */
/* ( kind of a header within a header: constants, types & macros ) */
#define CAPTABMAX 9 /* max entries in each win's caps table */
#define GROUPSMAX 4 /* the max number of simultaneous windows */
#define WINNAMSIZ 4 /* size of RCW_t winname buf (incl '\0') */
#define GRPNAMSIZ WINNAMSIZ+2 /* window's name + number as in: '#:...' */
/* The Persistent 'Mode' flags!
These are preserved in the rc file, as a single integer and the
letter shown is the corresponding 'command' toggle */
// 'View_' flags affect the summary (minimum), taken from 'Curwin'
#define View_CPUSUM 0x008000 // '1' - show combined cpu stats (vs. each)
#define View_CPUNOD 0x400000 // '2' - show numa node cpu stats ('3' also)
#define View_LOADAV 0x004000 // 'l' - display load avg and uptime summary
#define View_STATES 0x002000 // 't' - display task/cpu(s) states summary
#define View_MEMORY 0x001000 // 'm' - display memory summary
#define View_NOBOLD 0x000008 // 'B' - disable 'bold' attribute globally
#define View_SCROLL 0x080000 // 'C' - enable coordinates msg w/ scrolling
// 'Show_' & 'Qsrt_' flags are for task display in a visible window
#define Show_COLORS 0x000800 // 'z' - show in color (vs. mono)
#define Show_HIBOLD 0x000400 // 'b' - rows and/or cols bold (vs. reverse)
#define Show_HICOLS 0x000200 // 'x' - show sort column emphasized
#define Show_HIROWS 0x000100 // 'y' - show running tasks highlighted
#define Show_CMDLIN 0x000080 // 'c' - show cmdline vs. name
#define Show_CTIMES 0x000040 // 'S' - show times as cumulative
#define Show_IDLEPS 0x000020 // 'i' - show idle processes (all tasks)
#define Show_TASKON 0x000010 // '-' - tasks showable when Mode_altscr
#define Show_FOREST 0x000002 // 'V' - show cmd/cmdlines with ascii art
#define Qsrt_NORMAL 0x000004 // 'R' - reversed column sort (high to low)
#define Show_JRSTRS 0x040000 // 'j' - right justify "string" data cols
#define Show_JRNUMS 0x020000 // 'J' - right justify "numeric" data cols
// these flag(s) have no command as such - they're for internal use
#define NOPRINT_xxx 0x010000 // build task rows only (not for display)
#define EQUWINS_xxx 0x000001 // rebalance all wins & tasks (off i,n,u/U)
// Default flags if there's no rcfile to provide user customizations
#ifdef ORIG_TOPDEFS
#define DEF_WINFLGS ( View_LOADAV | View_STATES | View_CPUSUM | View_MEMORY \
| Show_HIBOLD | Show_HIROWS | Show_IDLEPS | Show_TASKON | Show_JRNUMS \
| Qsrt_NORMAL )
#define DEF_GRAPHS2 0, 0
#define DEF_SCALES2 SK_Mb, SK_Kb
#define ALT_WINFLGS DEF_WINFLGS
#define ALT_GRAPHS2 0, 0
#else
#define DEF_WINFLGS ( View_LOADAV | View_STATES | View_MEMORY | Show_CMDLIN \
| Show_COLORS | Show_FOREST | Show_HIROWS | Show_IDLEPS | Show_JRNUMS | Show_TASKON \
| Qsrt_NORMAL )
#define DEF_GRAPHS2 1, 2
#define DEF_SCALES2 SK_Gb, SK_Mb
#define ALT_WINFLGS (DEF_WINFLGS | Show_HIBOLD) & ~Show_FOREST
#define ALT_GRAPHS2 2, 0
#endif
/* These are used to direct wins_reflag */
enum reflag_enum {
Flags_TOG, Flags_SET, Flags_OFF
};
/* These are used to direct win_warn */
enum warn_enum {
Warn_ALT, Warn_VIZ
};
/* This type helps support both a window AND the rcfile */
typedef struct RCW_t { // the 'window' portion of an rcfile
int sortindx, // sort field (represented as procflag)
winflags, // 'view', 'show' and 'sort' mode flags
maxtasks, // user requested maximum, 0 equals all
graph_cpus, // 't' - View_STATES supplementary vals
graph_mems, // 'm' - View_MEMORY supplememtary vals
double_up, // '4' - show multiple cpus on one line
combine_cpus, // '!' - keep combining additional cpus
summclr, // a colors 'number' used for summ info
msgsclr, // " in msgs/pmts
headclr, // " in cols head
taskclr; // " in task rows
char winname [WINNAMSIZ], // name for the window, user changeable
fieldscur [PFLAGSSIZ]; // the fields for display & their order
} RCW_t;
/* This represents the complete rcfile */
typedef struct RCF_t {
char id; // rcfile version id
int mode_altscr; // 'A' - Alt display mode (multi task windows)
int mode_irixps; // 'I' - Irix vs. Solaris mode (SMP-only)
float delay_time; // 'd'/'s' - How long to sleep twixt updates
int win_index; // Curwin, as index
RCW_t win [GROUPSMAX]; // a 'WIN_t.rc' for each window
int fixed_widest; // 'X' - wider non-scalable col addition
int summ_mscale; // 'E' - scaling of summary memory values
int task_mscale; // 'e' - scaling of process memory values
int zero_suppress; // '0' - suppress scaled zeros toggle
int tics_scaled; // ^E - scale TIME and/or TIME+ columns
} RCF_t;
/* This structure stores configurable information for each window.
By expending a little effort in its creation and user requested
maintenance, the only real additional per frame cost of having
windows is an extra sort -- but that's just on pointers! */
typedef struct WIN_t {
FLG_t pflgsall [PFLAGSSIZ], // all 'active/on' fieldscur, as enum
procflgs [PFLAGSSIZ]; // fieldscur subset, as enum
RCW_t rc; // stuff that gets saved in the rcfile
int winnum, // a window's number (array pos + 1)
winlines, // current task window's rows (volatile)
maxpflgs, // number of displayed procflgs ("on" in fieldscur)
totpflgs, // total of displayable procflgs in pflgsall array
begpflg, // scrolled beginning pos into pflgsall array
endpflg, // scrolled ending pos into pflgsall array
begtask, // scrolled beginning pos into Frame_maxtask
begnext, // new scrolled delta for next frame's begtask
#ifndef SCROLLVAR_NO
varcolbeg, // scrolled position within variable width col
#endif
varcolsz, // max length of variable width column(s)
usrseluid, // validated uid for 'u/U' user selection
usrseltyp, // the basis for matching above uid
usrselflg, // flag denoting include/exclude matches
hdrcaplen; // column header xtra caps len, if any
char capclr_sum [CLRBUFSIZ], // terminfo strings built from
capclr_msg [CLRBUFSIZ], // RCW_t colors (& rebuilt too),
capclr_pmt [CLRBUFSIZ], // but NO recurring costs !
capclr_hdr [CLRBUFSIZ], // note: sum, msg and pmt strs
capclr_rowhigh [SMLBUFSIZ], // are only used when this
capclr_rownorm [CLRBUFSIZ], // window is the 'Curwin'!
cap_bold [CAPBUFSIZ], // support for View_NOBOLD toggle
grpname [GRPNAMSIZ], // window number:name, printable
#ifdef USE_X_COLHDR
columnhdr [ROWMINSIZ], // column headings for procflgs
#else
columnhdr [SCREENMAX], // column headings for procflgs
#endif
*captab [CAPTABMAX]; // captab needed by show_special()
struct osel_s *osel_1st; // other selection criteria anchor
int osel_tot; // total of other selection criteria
char *findstr; // window's current/active search string
int findlen; // above's strlen, without call overhead
int focus_pid; // target pid when 'F' toggle is active
int focus_beg; // ppt index where 'F' toggle has begun
int focus_end; // ppt index where 'F' toggle has ended
#ifdef FOCUS_TREE_X
int focus_lvl; // the indentation level of parent task
#endif
proc_t **ppt; // this window's proc_t ptr array
struct WIN_t *next, // next window in window stack
*prev; // prior window in window stack
} WIN_t;
// Used to test/manipulate the window flags
#define CHKw(q,f) (int)((q)->rc.winflags & (f))
#define TOGw(q,f) (q)->rc.winflags ^= (f)
#define SETw(q,f) (q)->rc.winflags |= (f)
#define OFFw(q,f) (q)->rc.winflags &= ~(f)
#define ALTCHKw (Rc.mode_altscr ? 1 : win_warn(Warn_ALT))
#define VIZISw(q) (!Rc.mode_altscr || CHKw(q,Show_TASKON))
#define VIZCHKw(q) (VIZISw(q)) ? 1 : win_warn(Warn_VIZ)
#define VIZTOGw(q,f) (VIZISw(q)) ? TOGw(q,(f)) : win_warn(Warn_VIZ)
// Used to test/manipulte fieldscur values
#define FLDon(c) ((c) |= 0x80)
#define FLDget(q,i) ((FLG_t)((q)->rc.fieldscur[i] & 0x7f) - FLD_OFFSET)
#define FLDtog(q,i) ((q)->rc.fieldscur[i] ^= 0x80)
#define FLDviz(q,i) ((q)->rc.fieldscur[i] & 0x80)
#define ENUviz(w,E) (NULL != memchr((w)->procflgs, E, (w)->maxpflgs))
#define ENUpos(w,E) ((int)((FLG_t*)memchr((w)->pflgsall, E, (w)->totpflgs) - (w)->pflgsall))
// Support for variable width columns (and potentially scrolling too)
#define VARcol(E) (-1 == Fieldstab[E].width)
#ifndef SCROLLVAR_NO
#ifdef USE_X_COLHDR
#define VARright(w) (1 == w->maxpflgs && VARcol(w->procflgs[0]))
#else
#define VARright(w) ((1 == w->maxpflgs && VARcol(w->procflgs[0])) || \
(3 == w->maxpflgs && EU_XON == w->procflgs[0] && VARcol(w->procflgs[1])))
#endif
#define VARleft(w) (w->varcolbeg && VARright(w))
#ifdef SCROLLV_BY_1
#define SCROLLAMT 1
#else
#define SCROLLAMT 8
#endif
#endif
// Support for a proper (visible) row #1 whenever Curwin changes
// ( or a key which might affect vertical scrolling was struck )
#define mkVIZyes ( Curwin->begnext != 0 )
#define mkVIZrow1 { Curwin->begnext = +1; Curwin->begtask -= 1; }
#define mkVIZrowX(n) { Curwin->begnext = (n); }
#define mkVIZoff(w) { w->begnext = 0; }
/* Special Section: end ------------------------------------------ */
/* /////////////////////////////////////////////////////////////// */
/*###### Some Miscellaneous Macro definitions ##########################*/
/* Yield table size as 'int' */
#define MAXTBL(t) (int)(sizeof(t) / sizeof(t[0]))
/* A null-terminating strncpy, assuming strlcpy is not available.
( and assuming callers don't need the string length returned ) */
#define STRLCPY(dst,src) { memccpy(dst, src, '\0', sizeof(dst)); dst[sizeof(dst) - 1] = '\0'; }
/* Used to clear all or part of our Pseudo_screen */
#define PSU_CLREOS(y) memset(&Pseudo_screen[ROWMAXSIZ*y], '\0', Pseudo_size-(ROWMAXSIZ*y))
/* Used as return arguments in *some* of the sort callbacks */
#define SORT_lt ( Frame_srtflg > 0 ? 1 : -1 )
#define SORT_gt ( Frame_srtflg > 0 ? -1 : 1 )
#define SORT_eq 0
/* Used to create *most* of the sort callback functions
note: some of the callbacks are NOT your father's callbacks, they're
highly optimized to save them ol' precious cycles! */
#define SCB_NAME(f) sort_EU_ ## f
#define SCB_NUM1(f,n) \
static int SCB_NAME(f) (const proc_t **P, const proc_t **Q) { \
if ( (*P)->n < (*Q)->n ) return SORT_lt; \
if ( (*P)->n > (*Q)->n ) return SORT_gt; \
return SORT_eq; }
#define SCB_NUM2(f,n1,n2) \
static int SCB_NAME(f) (const proc_t **P, const proc_t **Q) { \
if ( ((*P)->n1+(*P)->n2) < ((*Q)->n1+(*Q)->n2) ) return SORT_lt; \
if ( ((*P)->n1+(*P)->n2) > ((*Q)->n1+(*Q)->n2) ) return SORT_gt; \
return SORT_eq; }
#define SCB_NUMx(f,n) \
static int SCB_NAME(f) (const proc_t **P, const proc_t **Q) { \
return Frame_srtflg * ( (*Q)->n - (*P)->n ); }
#define SCB_STRS(f,s) \
static int SCB_NAME(f) (const proc_t **P, const proc_t **Q) { \
if (!(*P)->s || !(*Q)->s) return SORT_eq; \
return Frame_srtflg * STRCMP((*Q)->s, (*P)->s); }
#define SCB_STRV(f,b,v,s) \
static int SCB_NAME(f) (const proc_t **P, const proc_t **Q) { \
if (b) { \
if (!(*P)->v || !(*Q)->v) return SORT_eq; \
return Frame_srtflg * STRCMP((*Q)->v[0], (*P)->v[0]); } \
return Frame_srtflg * STRCMP((*Q)->s, (*P)->s); }
#define SCB_STRX(f,s) \
int strverscmp(const char *s1, const char *s2); \
static int SCB_NAME(f) (const proc_t **P, const proc_t **Q) { \
if (!(*P)->s || !(*Q)->s) return SORT_eq; \
return Frame_srtflg * strverscmp((*Q)->s, (*P)->s); }
/*
* The following three macros are used to 'inline' those portions of the
* display process involved in formatting, while protecting against any
* potential embedded 'millesecond delay' escape sequences.
*/
/** PUTT - Put to Tty (used in many places)
. for temporary, possibly interactive, 'replacement' output
. may contain ANY valid terminfo escape sequences
. need NOT represent an entire screen row */
#define PUTT(fmt,arg...) do { \
char _str[ROWMAXSIZ]; \
snprintf(_str, sizeof(_str), fmt, ## arg); \
putp(_str); \
} while (0)
/** PUFF - Put for Frame (used in only 3 places)
. for more permanent frame-oriented 'update' output
. may NOT contain cursor motion terminfo escapes
. assumed to represent a complete screen ROW
. subject to optimization, thus MAY be discarded */
#define PUFF(fmt,arg...) do { \
char _str[ROWMAXSIZ]; \
const int _len = snprintf(_str, sizeof(_str), fmt, ## arg); \
if (Batch) { \
char *_eol = _str + (_len < 0 ? 0 : (size_t)_len >= sizeof(_str) ? sizeof(_str)-1 : (size_t)_len); \
while (_eol > _str && _eol[-1] == ' ') _eol--; \
*_eol = '\0'; putp(_str); } \
else if (Pseudo_row >= 0 && Pseudo_row < Screen_rows) { \
char *_ptr = &Pseudo_screen[Pseudo_row++ * ROWMAXSIZ]; \
if (!strcmp(_ptr, _str)) putp("\n"); \
else { \
strcpy(_ptr, _str); \
putp(_ptr); } } \
} while (0)
/** POOF - Pulled Out of Frame (used in only 1 place)
. for output that is/was sent directly to the terminal
but would otherwise have been counted as a Pseudo_row */
#define POOF(str,cap) do { \
putp(str); putp(cap); \
Pseudo_screen[Pseudo_row * ROWMAXSIZ] = '\0'; \
if (Pseudo_row + 1 < Screen_rows) ++Pseudo_row; \
} while (0)
/* Orderly end, with any sort of message - see fmtmk */
#define debug_END(s) { \
void error_exit (const char *); \
fputs(Cap_clr_scr, stdout); \
error_exit(s); \
}
/* A poor man's breakpoint, if he's too lazy to learn gdb */
#define its_YOUR_fault { *((char *)0) = '!'; }
/*###### Some Display Support *Data* ###################################*/
/* ( see module top_nls.c for the nls translatable data ) */
/* Configuration files support */
#define SYS_RCRESTRICT "/etc/toprc"
#define SYS_RCDEFAULTS "/etc/topdefaultrc"
#define RCF_EYECATCHER "Config File (Linux processes with windows)\n"
#define RCF_PLUS_H "\\]^_`abcdefghij"
#define RCF_PLUS_J "klmnopqrstuvwxyz"
#define RCF_VERSION_ID 'k'
/* The default fields displayed and their order, if nothing is
specified by the loser, oops user.
note: any *contiguous* ascii sequence can serve as fieldscur
characters as long as the initial value is coordinated
with that specified for FLD_OFFSET
( we're providing for up to 86 fields currently, )
( with just one escaped value, the '\' character ) */
#define FLD_OFFSET '%'
// seq_fields "%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz"
#ifdef ORIG_TOPDEFS
#define DEF_FIELDS "<22><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ķ<EFBFBD><C4B7><EFBFBD>&')*+,-./012568<>?ABCFGHIJKLMNOPQRSTUVWXYZ[" RCF_PLUS_H RCF_PLUS_J
#else
#define DEF_FIELDS "<22>&K<><4B><EFBFBD><EFBFBD><EFBFBD>@<40><><EFBFBD>56<35>F<EFBFBD>')*+,-./0128<>?ABCGHIJLMNOPQRSTUVWXYZ[" RCF_PLUS_H RCF_PLUS_J
#endif
/* Pre-configured windows/field groups */
#define JOB_FIELDS "<22><><EFBFBD><EFBFBD><EFBFBD>(<28><>Ļ<EFBFBD>@<<3C><>)*+,-./012568>?ABCFGHIJKLMNOPQRSTUVWXYZ[" RCF_PLUS_H RCF_PLUS_J
#define MEM_FIELDS "<22><><EFBFBD><<3C><><EFBFBD><EFBFBD><EFBFBD>MBN<42>D34<33><34>&'()*+,-./0125689FGHIJKLOPQRSTUVWXYZ[" RCF_PLUS_H RCF_PLUS_J
#define USR_FIELDS "<22><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)+,-./1234568;<=>?@ABCFGHIJKLMNOPQRSTUVWXYZ[" RCF_PLUS_H RCF_PLUS_J
// old top fields ( 'a'-'z' ) in positions 0-25
// other suse old top fields ( '{|' ) in positions 26-27
#define CVT_FIELDS "%&*'(-0346789:;<=>?@ACDEFGML)+,./125BHIJKNOPQRSTUVWXYZ["
#define CVT_FLDMAX 28
/* The default values for the local config file */
#define DEF_RCFILE { \
RCF_VERSION_ID, 0, 1, DEF_DELAY, 0, { \
{ EU_CPU, DEF_WINFLGS, 0, DEF_GRAPHS2, 1, 0, \
COLOR_RED, COLOR_RED, COLOR_YELLOW, COLOR_RED, \
"Def", DEF_FIELDS }, \
{ EU_PID, ALT_WINFLGS, 0, ALT_GRAPHS2, 0, 0, \
COLOR_CYAN, COLOR_CYAN, COLOR_WHITE, COLOR_CYAN, \
"Job", JOB_FIELDS }, \
{ EU_MEM, ALT_WINFLGS, 0, ALT_GRAPHS2, 0, 0, \
COLOR_MAGENTA, COLOR_MAGENTA, COLOR_BLUE, COLOR_MAGENTA, \
"Mem", MEM_FIELDS }, \
{ EU_UEN, ALT_WINFLGS, 0, ALT_GRAPHS2, 0, 0, \
COLOR_YELLOW, COLOR_YELLOW, COLOR_GREEN, COLOR_YELLOW, \
"Usr", USR_FIELDS } \
}, 0, DEF_SCALES2, 0, 0 }
/* Summary Lines specially formatted string(s) --
see 'show_special' for syntax details + other cautions. */
#define LOADAV_line "%s -%s\n"
#define LOADAV_line_alt "%s~6 -%s\n"
/*###### For Piece of mind #############################################*/
/* just sanity check(s)... */
#if defined(ATEOJ_RPTHSH) && defined(OFF_HST_HASH)
# error 'ATEOJ_RPTHSH' conflicts with 'OFF_HST_HASH'
#endif
#if defined(RECALL_FIXED) && defined(TERMIOS_ONLY)
# error 'RECALL_FIXED' conflicts with 'TERMIOS_ONLY'
#endif
#if (LRGBUFSIZ < SCREENMAX)
# error 'LRGBUFSIZ' must NOT be less than 'SCREENMAX'
#endif
#if defined(TERMIOS_ONLY)
# warning 'TERMIOS_ONLY' disables input recall and makes man doc incorrect
#endif
#if defined(MEMGRAPH_OLD)
# warning 'MEMGRAPH_OLD' will make the man document Section 2c. misleading
#endif
#if defined(SCALE_FORMER) && defined(SCALE_POSTFX)
# warning 'SCALE_POSTFX' is ignored when 'SCALE_FORMER' is active
#endif
#if defined(TOG4_SEP_STD) && defined(TOG4_SEP_OFF)
# warning 'TOG4_SEP_STD' has no effect when 'TOG4_SEP_OFF' is active
#endif
/*###### Some Prototypes (ha!) #########################################*/
/* These 'prototypes' are here exclusively for documentation purposes. */
/* ( see the find_string function for the one true required protoype ) */
/*------ Sort callbacks ------------------------------------------------*/
/* for each possible field, in the form of: */
/*atic int sort_EU_XXX (const proc_t **P, const proc_t **Q); */
/*------ Tiny useful routine(s) ----------------------------------------*/
//atic const char *fmtmk (const char *fmts, ...);
//atic inline char *scat (char *dst, const char *src);
//atic const char *tg2 (int x, int y);
/*------ Exit/Interrput routines ---------------------------------------*/
//atic void at_eoj (void);
//atic void bye_bye (const char *str);
//atic void error_exit (const char *str);
//atic void sig_abexit (int sig);
//atic void sig_endpgm (int dont_care_sig);
//atic void sig_paused (int dont_care_sig);
//atic void sig_resize (int dont_care_sig);
//atic void xalloc_our_handler (const char *fmts, ...);
/*------ Special UTF-8 Multi-Byte support ------------------------------*/
/*atic char UTF8_tab[] = { ... } */
//atic inline int utf8_cols (const unsigned char *p, int n);
//atic int utf8_delta (const char *str);
//atic int utf8_embody (const char *str, int width);
//atic const char *utf8_justify (const char *str, int width, int justr);
//atic int utf8_proper_col (const char *str, int col, int tophysical);
/*------ Misc Color/Display support ------------------------------------*/
//atic void capsmk (WIN_t *q);
//atic void show_msg (const char *str);
//atic int show_pmt (const char *str);
//atic void show_scroll (void);
//atic void show_special (int interact, const char *glob);
/*------ Low Level Memory/Keyboard/File I/O support --------------------*/
//atic void *alloc_c (size_t num);
//atic void *alloc_r (void *ptr, size_t num);
//atic char *alloc_s (const char *str);
//atic inline int ioa (struct timespec *ts);
//atic int ioch (int ech, char *buf, unsigned cnt);
//atic int iokey (int action);
//atic char *ioline (const char *prompt);
//atic int mkfloat (const char *str, float *num, int whole);
//atic int readfile (FILE *fp, char **baddr, size_t *bsize, size_t *bread);
/*------ Small Utility routines ----------------------------------------*/
//atic float get_float (const char *prompt);
//atic int get_int (const char *prompt);
//atic inline const char *hex_make (KLONG num, int noz);
//atic const char *user_certify (WIN_t *q, const char *str, char typ);
/*------ Basic Formatting support --------------------------------------*/
//atic inline const char *justify_pad (const char *str, int width, int justr);
//atic inline const char *make_chr (const char ch, int width, int justr);
//atic inline const char *make_num (long num, int width, int justr, int col, int noz);
//atic inline const char *make_str (const char *str, int width, int justr, int col);
//atic inline const char *make_str_utf8 (const char *str, int width, int justr, int col);
//atic const char *scale_mem (int target, float num, int width, int justr);
//atic const char *scale_num (float num, int width, int justr);
//atic const char *scale_pcnt (float num, int width, int justr, int xtra);
//atic const char *scale_tics (TIC_t tics, int width, int justr, int target);
/*------ Fields Management support -------------------------------------*/
/*atic FLD_t Fieldstab[] = { ... } */
//atic void adj_geometry (void);
//atic void build_headers (void);
//atic void calibrate_fields (void);
//atic void display_fields (int focus, int extend);
//atic void fields_utility (void);
//atic inline void widths_resize (void);
//atic void zap_fieldstab (void);
/*------ Library Interface ---------------------------------------------*/
//atic void cpus_refresh (void);
#ifdef OFF_HST_HASH
//atic inline HST_t *hstbsrch (HST_t *hst, int max, int pid);
#else
//atic inline HST_t *hstget (int pid);
//atic inline void hstput (unsigned idx);
#endif
//atic void procs_hlp (proc_t *p);
//atic void procs_refresh (void);
//atic void sysinfo_refresh (int forced);
/*------ Inspect Other Output ------------------------------------------*/
//atic void insp_cnt_nl (void);
#ifndef INSP_OFFDEMO
//atic void insp_do_demo (char *fmts, int pid);
#endif
//atic void insp_do_file (char *fmts, int pid);
//atic void insp_do_pipe (char *fmts, int pid);
//atic inline int insp_find_ofs (int col, int row);
//atic void insp_find_str (int ch, int *col, int *row);
//atic void insp_mkrow_raw (int col, int row);
//atic void insp_mkrow_utf8 (int col, int row);
//atic void insp_show_pgs (int col, int row, int max);
//atic int insp_view_choice (proc_t *p);
//atic void inspection_utility (int pid);
/*------ Other Filtering ------------------------------------------------*/
//atic const char *osel_add (WIN_t *q, int ch, char *glob, int push);
//atic void osel_clear (WIN_t *q);
//atic inline int osel_matched (const WIN_t *q, FLG_t enu, const char *str);
/*------ Startup routines ----------------------------------------------*/
//atic void before (char *me);
//atic int config_cvt (WIN_t *q);
//atic int config_insp (FILE *fp, char *buf, size_t size);
//atic int config_osel (FILE *fp, char *buf, size_t size);
//atic const char *configs_file (FILE *fp, const char *name, float *delay);
//atic int configs_path (const char *const fmts, ...);
//atic void configs_reads (void);
//atic void parse_args (int argc, char **argv);
//atic void signals_set (void);
//atic void whack_terminal (void);
/*------ Windows/Field Groups support ----------------------------------*/
//atic void win_names (WIN_t *q, const char *name);
//atic void win_reset (WIN_t *q);
//atic WIN_t *win_select (int ch);
//atic int win_warn (int what);
//atic void wins_clrhlp (WIN_t *q, int save);
//atic void wins_colors (void);
//atic void wins_reflag (int what, int flg);
//atic void wins_stage_1 (void);
//atic void wins_stage_2 (void);
//atic inline int wins_usrselect (const WIN_t *q, const int idx);
/*------ Forest View support -------------------------------------------*/
//atic void forest_adds (const int self, int level);
#ifndef TREE_SCANALL
//atic int forest_based (const proc_t **x, const proc_t **y);
#endif
//atic void forest_create (WIN_t *q);
//atic inline const char *forest_display (const WIN_t *q, int idx);
//atic void forest_excluded (WIN_t *q);
/*------ Special Separate Bottom Window support ------------------------*/
//atic void bot_do (const char *str, int focus);
//atic int bot_focus_str (const char *hdr, const char *str);
//atic int bot_focus_strv (const char *hdr, const char **strv);
//atic void *bot_item_hlp (proc_t *p);
//atic void bot_item_show (void);
//atic void bot_item_toggle (int what, const char *head, char sep);
/*------ Interactive Input Tertiary support ----------------------------*/
//atic inline int find_ofs (const WIN_t *q, const char *buf);
//atic void find_string (int ch);
//atic void help_view (void);
//atic void other_filters (int ch);
//atic void write_rcfile (void);
/*------ Interactive Input Secondary support (do_key helpers) ----------*/
//atic void keys_global (int ch);
//atic void keys_summary (int ch);
//atic void keys_task (int ch);
//atic void keys_window (int ch);
//atic void keys_xtra (int ch);
/*------ Tertiary summary display support (summary_show helpers) -------*/
//atic struct rx_st *sum_rx (struct graph_parms *these);
//atic inline int sum_see (const char *str, int nobuf);
//atic int sum_tics (CPU_t *cpu, const char *pfx, int nobuf);
//atic int sum_unify (CPU_t *cpu, int nobuf);
/*------ Secondary summary display support (summary_show helpers) ------*/
//atic void do_cpus (void);
//atic void do_memory (void);
/*------ Main Screen routines ------------------------------------------*/
//atic void do_key (int ch);
//atic void summary_show (void);
//atic const char *task_show (const WIN_t *q, const int idx);
//atic void window_hlp (void);
//atic int window_show (WIN_t *q, int wmax);
/*------ Entry point plus two ------------------------------------------*/
//atic void frame_hlp (int wix, int max);
//atic void frame_make (void);
// int main (int argc, char *argv[]);
#endif /* _Itop */
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