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albert
parent
d42a6ee787
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c7e7b44284
222
top.h
222
top.h
@ -60,6 +60,8 @@
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/* the above might seem pretty stingy, until you consider that with every
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one of top's fields displayed we're talking a 160 byte column header --
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so that will provide for all fields plus a 350+ byte command line */
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#define WINNAMSIZ 4
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#define CAPTABMAX 9
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#define PFLAGSSIZ 32
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#define CAPBUFSIZ 32
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#define CLRBUFSIZ 64
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@ -67,6 +69,7 @@
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#define TNYBUFSIZ 32
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#define SMLBUFSIZ 256
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#define OURPATHSZ 1024
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#define MEDBUFSIZ 1024
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#define BIGBUFSIZ 2048
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#define USRNAMSIZ GETBUFSIZ
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#define ROWBUFSIZ SCREENMAX + CLRBUFSIZ
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@ -87,23 +90,23 @@
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#define SORT_gt ( Frame_srtflg > 0 ? -1 : 1 )
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#define SORT_eq 0
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/* Used to reference and create sort callback functions --
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/* Used to create *most* of the sort callback functions
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note: some of the callbacks are NOT your father's callbacks, they're
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highly optimized to save them ol' precious cycles! */
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#define _SC_NUM1(f,n) \
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#define SCB_NUM1(f,n) \
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static int sort_ ## f (const proc_t **P, const proc_t **Q) { \
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if ( (*P)->n < (*Q)->n ) return SORT_lt; \
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if ( (*P)->n > (*Q)->n ) return SORT_gt; \
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return SORT_eq; }
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#define _SC_NUM2(f,n1,n2) \
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#define SCB_NUM2(f,n1,n2) \
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static int sort_ ## f (const proc_t **P, const proc_t **Q) { \
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if ( ((*P)->n1 - (*P)->n2) < ((*Q)->n1 - (*Q)->n2) ) return SORT_lt; \
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if ( ((*P)->n1 - (*P)->n2) > ((*Q)->n1 - (*Q)->n2) ) return SORT_gt; \
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return SORT_eq; }
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#define _SC_NUMx(f,n) \
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#define SCB_NUMx(f,n) \
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static int sort_ ## f (const proc_t **P, const proc_t **Q) { \
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return Frame_srtflg * ( (*Q)->n - (*P)->n ); }
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#define _SC_STRx(f,s) \
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#define SCB_STRx(f,s) \
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static int sort_ ## f (const proc_t **P, const proc_t **Q) { \
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return Frame_srtflg * strcmp((*Q)->s, (*P)->s); }
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@ -154,43 +157,64 @@
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/*###### Some Typedef's and Enum's #####################################*/
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/* This typedef just ensures consistent 'process flags' handling */
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typedef unsigned PFLG_t;
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typedef unsigned FLG_t;
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/* These typedefs attempt to ensure consistent 'ticks' handling */
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typedef unsigned long long TICS_t;
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typedef long long STIC_t;
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typedef unsigned long long TIC_t;
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typedef long long SIC_t;
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/* Sorted columns support. */
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typedef int (*QSORT_t)(const void *, const void *);
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/* Sort support, callback funtion signature */
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typedef int (*QFP_t)(const void *, const void *);
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/* This structure consolidates the information that's used
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in a variety of display roles. */
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typedef struct {
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const char keys[4]; // order: Jim-on Jim-off Rik-on Rik-off
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const char *head; /* name for column headings + toggle/reorder fields */
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const char *fmts; /* sprintf format string for field display */
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const int width; /* field width, if applicable */
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const int scale; /* scale_num type, if applicable */
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const QSORT_t sort; /* sort function */
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const char *desc; /* description for toggle/reorder fields */
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const int lflg; /* PROC_FILLxxx flag(s) required for this field */
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} FTAB_t;
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typedef struct FLD_t {
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const char keys [4]; // order: New-on New-off Old-on Old-off
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const char *head; // name for col heads + toggle/reorder fields
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const char *fmts; // sprintf format string for field display
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const int width; // field width, if applicable
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const int scale; // scale_num type, if applicable
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const QFP_t sort; // sort function
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const char *desc; // description for toggle/reorder fields
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const int lflg; // PROC_FILLxxx flag(s) needed by this field
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} FLD_t;
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/* This structure stores one piece of critical 'history'
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information from one frame to the next -- we don't calc
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and save data that goes unused like the old top! */
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typedef struct {
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int pid;
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TICS_t tics;
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} HIST_t;
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typedef struct HST_t {
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int pid;
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TIC_t tics;
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} HST_t;
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/* This structure stores a frame's cpu tics used in history
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calculations. It exists primarily for SMP support but serves
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all environments. */
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typedef struct {
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TICS_t u, n, s, i, w; // as represented in /proc/stat
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TICS_t u_sav, s_sav, n_sav, i_sav, w_sav; // in the order of our display
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} CPUS_t;
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typedef struct CPU_t {
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TIC_t u, n, s, i, w; // as represented in /proc/stat
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TIC_t u_sav, s_sav, n_sav, i_sav, w_sav; // in the order of our display
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} CPU_t;
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/* These 2 types support rcfile compatibility */
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typedef struct RCW_t { // the 'window' portion of an rcfile
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FLG_t sortindx; // sort field, represented as a procflag
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int winflags, // 'view', 'show' and 'sort' mode flags
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maxtasks, // user requested maximum, 0 equals all
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summclr, // color num used in summ info
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msgsclr, // " in msgs/pmts
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headclr, // " in cols head
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taskclr; // " in task rows
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char winname [WINNAMSIZ], // window name, user changeable
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fieldscur [PFLAGSSIZ]; // fields displayed and ordered
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} RCW_t;
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typedef struct RCF_t { // the complete rcfile (new style)
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int mode_altscr; // 'A' - Alt display mode (multi task windows)
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int mode_irixps; // 'I' - Irix vs. Solaris mode (SMP-only)
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float delay_time; // 'd' or 's' - How long to sleep twixt updates
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int win_index; // Curwin, as index
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RCW_t win [4]; // a 'WIN_t.rc' for each of the 4 windows
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} RCF_t;
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/* The scaling 'type' used with scale_num() -- this is how
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the passed number is interpreted should scaling be necessary */
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@ -214,9 +238,7 @@ enum pflag {
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/* (kind of a header within a header: constants, macros & types) */
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#define GROUPSMAX 4 /* the max number of simultaneous windows */
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#define WINNAMSIZ 4 /* max size of a window's basic name */
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#define GRPNAMSIZ 6 /* window's name + number as in: '#:...' */
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#define CAPTABMAX 9 /* a window's captab used by show_special */
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#define GRPNAMSIZ WINNAMSIZ+2 /* window's name + number as in: '#:...' */
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#define Flags_TOG 1 /* these are used to direct wins_reflag */
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#define Flags_SET 2
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@ -258,68 +280,47 @@ enum pflag {
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#define TOGw(q,f) q->rc.winflags ^= (f)
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#define SETw(q,f) q->rc.winflags |= (f)
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#define OFFw(q,f) q->rc.winflags &= ~(f)
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#define VIZCHKc (!Mode_altscr || Curwin->rc.winflags & VISIBLE_tsk) \
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#define VIZCHKc (!Rc.mode_altscr || Curwin->rc.winflags & VISIBLE_tsk) \
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? 1 : win_warn()
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#define VIZTOGc(f) (!Mode_altscr || Curwin->rc.winflags & VISIBLE_tsk) \
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#define VIZTOGc(f) (!Rc.mode_altscr || Curwin->rc.winflags & VISIBLE_tsk) \
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? TOGw(Curwin, f) : win_warn()
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typedef struct rcwin {
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char winname [WINNAMSIZ], /* window name, user changeable */
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fieldscur [PFLAGSSIZ]; /* fields displayed and ordered */
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int winflags; /* 'view', 'show' and 'sort' mode flags */
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PFLG_t sortindx; /* sort field, as a procflag */
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int maxtasks, /* user requested maximum, 0 equals all */
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summclr, /* color num used in summ info */
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msgsclr, /* " in msgs/pmts */
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headclr, /* " in cols head */
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taskclr; /* " in task display */
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} rcwin;
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typedef struct rcf { // global/system-wide
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int Secure_mode; // Secure_mode (not in Jim-format files)
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int Mode_altscr; // Mode_altscr
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int Mode_irixps; // Mode_irixps
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float Delay_time; // Delay_time
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int Curwin; // Curwin
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rcwin win[4]; // each of 4 windows
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} RCF_t;
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/* This structure stores configurable information for each window.
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By expending a little effort in its creation and user requested
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maintainence, the only real additional per frame cost of having
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windows is an extra sort -- but that's just on ptrs! */
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typedef struct win {
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struct win *next, /* next window in window stack */
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*prev; /* prior window in window stack */
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char *captab [CAPTABMAX]; /* captab needed by show_special */
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int winnum, /* window's num (array pos + 1) */
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winlines; /* task window's rows (volatile) */
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PFLG_t procflags [PFLAGSSIZ]; /* fieldscur subset, as enum */
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int maxpflgs, /* number of procflags (upcase fieldscur) */
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maxcmdln; /* max length of a process' command line */
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int len_rownorm, /* lengths of the corresponding terminfo */
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len_rowhigh; /* strings to avoid repeated strlen calls */
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rcwin rc; /* stuff that gets saved in a .toprc file */
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char capclr_sum [CLRBUFSIZ], /* terminfo strings built from */
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capclr_msg [CLRBUFSIZ], /* above clrs (& rebuilt too), */
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capclr_pmt [CLRBUFSIZ], /* but NO recurring costs !!! */
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capclr_hdr [CLRBUFSIZ], /* note: sum, msg and pmt strs */
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capclr_rowhigh [CLRBUFSIZ], /* are only used when this */
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capclr_rownorm [CLRBUFSIZ]; /* window is the 'Curwin'! */
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char cap_bold [CAPBUFSIZ]; /* support for View_NOBOLD toggle */
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char grpname [GRPNAMSIZ], /* window number:name, printable */
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columnhdr [SCREENMAX], /* column headings for procflags */
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colusrnam [USRNAMSIZ]; /* if selected by the 'u' command */
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typedef struct WIN_t {
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struct WIN_t *next, // next window in window stack
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*prev; // prior window in window stack
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char *captab [CAPTABMAX]; // captab needed by show_special
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int winnum, // window's num (array pos + 1)
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winlines; // task window's rows (volatile)
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FLG_t procflags [PFLAGSSIZ]; // fieldscur subset, as enum
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int maxpflgs, // number of procflags (upcase fieldscur)
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maxcmdln; // max length of a process' command line
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int len_rownorm, // lengths of the corresponding terminfo
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len_rowhigh; // strings to avoid repeated strlen calls
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RCW_t rc; // stuff that gets saved in the rcfile
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char capclr_sum [CLRBUFSIZ], // terminfo strings built from
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capclr_msg [CLRBUFSIZ], // above clrs (& rebuilt too),
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capclr_pmt [CLRBUFSIZ], // but NO recurring costs !!!
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capclr_hdr [CLRBUFSIZ], // note: sum, msg and pmt strs
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capclr_rowhigh [CLRBUFSIZ], // are only used when this
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capclr_rownorm [CLRBUFSIZ]; // window is the 'Curwin'!
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char cap_bold [CAPBUFSIZ]; // support for View_NOBOLD toggle
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char grpname [GRPNAMSIZ], // window number:name, printable
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columnhdr [SCREENMAX], // column headings for procflags
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colusrnam [USRNAMSIZ]; // if selected by the 'u' command
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} WIN_t;
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/* ////////////////////////////////////////////////////////////// */
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/*###### Display Support *Data* ########################################*/
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/* An rcfile 'footprint' used to invalidate existing local rcfile
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and the global rcfile path + name */
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#define RCF_FILEID 'a'
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#define SYS_RCFILE "/etc/toprc"
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/* Configuration files support */
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#define SYS_RCFILESPEC "/etc/toprc"
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#define RCF_EYECATCHER "RCfile for "
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#define RCF_DEPRECATED "Id:a, "
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/* The default fields displayed and their order,
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if nothing is specified by the loser, oops user */
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@ -331,6 +332,24 @@ typedef struct win {
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/* Used by fields_sort, placed here for peace-of-mind */
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#define NUL_FIELDS "abcdefghijklmnopqrstuvwxyz"
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/* The default values for the local config file */
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#define DEF_RCFILE { \
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0, 1, DEF_DELAY, 0, { \
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{ P_CPU, DEF_WINFLGS, 0, \
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COLOR_RED, COLOR_RED, COLOR_YELLOW, COLOR_RED, \
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"Def", DEF_FIELDS }, \
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{ P_PID, DEF_WINFLGS, 0, \
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COLOR_CYAN, COLOR_CYAN, COLOR_WHITE, COLOR_CYAN, \
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"Job", JOB_FIELDS }, \
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{ P_MEM, DEF_WINFLGS, 0, \
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COLOR_MAGENTA, COLOR_MAGENTA, COLOR_BLUE, COLOR_MAGENTA, \
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"Mem", MEM_FIELDS }, \
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{ P_USR, DEF_WINFLGS, 0, \
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COLOR_YELLOW, COLOR_YELLOW, COLOR_GREEN, COLOR_YELLOW, \
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"Usr", USR_FIELDS } \
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} }
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/* These are the possible fscanf formats used in /proc/stat
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reads during history processing.
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( 5th number only for Linux 2.5.41 and above ) */
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@ -349,20 +368,6 @@ typedef struct win {
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#define CMDLINE_FMTS "( %s )"
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#endif
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RCF_t RCf_Defaults = {
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0, 0, 1, 3.0f, 0, {
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{ "Def", DEF_FIELDS, DEF_WINFLGS, P_CPU, 0,
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COLOR_RED, COLOR_RED, COLOR_YELLOW, COLOR_RED },
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{ "Job", JOB_FIELDS, DEF_WINFLGS, P_PID, 0,
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COLOR_CYAN, COLOR_CYAN, COLOR_WHITE, COLOR_CYAN },
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{ "Mem", MEM_FIELDS, DEF_WINFLGS, P_MEM, 0,
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COLOR_MAGENTA, COLOR_MAGENTA, COLOR_BLUE, COLOR_MAGENTA },
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{ "Usr", USR_FIELDS, DEF_WINFLGS, P_USR, 0,
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COLOR_YELLOW, COLOR_YELLOW, COLOR_GREEN, COLOR_YELLOW }
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}
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};
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/* Summary Lines specially formatted string(s) --
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see 'show_special' for syntax details + other cautions. */
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#define LOADAV_line "%s -%s\n"
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@ -547,15 +552,13 @@ RCF_t RCf_Defaults = {
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/*###### Some Prototypes (ha!) #########################################*/
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/* None of these are necessary when the source file is properly
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* organized -- they're here for documentation purposes !
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* Note also that functions are alphabetical within a group to aid
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* source code navigation, which often influences the identifers. */
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/* These 'prototypes' are here for documentation purposes and in
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* preparation for a soon-to-occur top.c bust-up! */
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/*------ Sort callbacks ------------------------------------------------*/
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/* for each possible field, in the form of: */
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/*atic int sort_P_XXX (const proc_t **P, const proc_t **Q); */
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/* additional specialized sort callback(s) */
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/*atic int sort_HIST_t (const HIST_t *P, const HIST_t *Q); */
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/*atic int sort_HST_t (const HST_t *P, const HST_t *Q); */
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/*------ Tiny useful routine(s) ----------------------------------------*/
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//atic int chin (int ech, char *buf, unsigned cnt);
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//atic const char *fmtmk (const char *fmts, ...);
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@ -578,20 +581,33 @@ RCF_t RCf_Defaults = {
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//atic float get_float (const char *prompt);
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//atic int get_int (const char *prompt);
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//atic const char *scale_num (unsigned num, const int width, const unsigned type);
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//atic const char *scale_tics (TICS_t tics, const int width);
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//atic const char *scale_tics (TIC_t tics, const int width);
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/*------ Library Alternatives ------------------------------------------*/
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//atic void *alloc_c (unsigned numb) MALLOC;
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//atic void *alloc_r (void *q, unsigned numb) MALLOC;
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//atic CPUS_t *cpus_refresh (CPUS_t *cpus);
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//atic CPU_t *cpus_refresh (CPU_t *cpus);
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//atic void prochlp (proc_t *this);
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//atic proc_t **procs_refresh (proc_t **table, int flags);
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/*------ Field Table/RCfile compatability support ----------------------*/
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/*atic FLD_t Fieldstab[] = { ... } */
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//atic int ft_cvt_char (const int fr, const int to, int c);
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//atic inline int ft_get_char (const int fr, int i);
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//atic int ft_get_idx (const int fr, int c);
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//atic const FLD_t *ft_get_ptr (const int fr, int c);
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//atic const FLD_t *ft_idx_to_ptr (const int i);
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//atic int ft_ptr_to_idx (const FLD_t *p);
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//atic void rc_bugless (const RCF_t *const rc);
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//atic int rc_read_new (const char *const buf, RCF_t *rc);
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//atic int rc_read_old (const char *const buf, RCF_t *rc);
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//atic void rc_write_new (FILE *fp);
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//atic void rc_write_old (FILE *fp);
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//atic const char *rc_write_whatever (void);
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/*------ Startup routines ----------------------------------------------*/
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//atic void before (char *me);
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//atic void configs_read (void);
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//atic void parse_args (char **args);
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//atic void whack_terminal (void);
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/*------ Field Selection/Ordering routines -----------------------------*/
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/*atic FTAB_t Fieldstab[] = { ... } */
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//atic void display_fields (const char *fields, const char *xtra);
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//atic void fields_reorder (void);
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//atic void fields_sort (void);
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@ -609,7 +625,7 @@ RCF_t RCf_Defaults = {
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//atic void windows_stage2 (void);
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/*------ Main Screen routines ------------------------------------------*/
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//atic void do_key (unsigned c);
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//atic void summaryhlp (CPUS_t *cpu, const char *pfx);
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//atic void summaryhlp (CPU_t *cpu, const char *pfx);
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//atic proc_t **summary_show (void);
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//atic void task_show (const WIN_t *q, const proc_t *p);
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//atic void window_show (proc_t **ppt, WIN_t *q, int *lscr);
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