51b29cb7b3
Allow to show only a single process specified by PID. This could be done either by running top like 'top -p PID' or using the 'p' command inside top. Reviewed by: eadler Approved by: eadler Obtained from: OpenBSD Differential Revision: https://reviews.freebsd.org/D15501
93 lines
2.2 KiB
C
93 lines
2.2 KiB
C
/*
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* $FreeBSD$
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*/
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/*
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* Top - a top users display for Berkeley Unix
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*
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* General (global) definitions
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*/
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#ifndef TOP_H
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#define TOP_H
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#define Default_DELAY 2
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/* Number of lines of header information on the standard screen */
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extern int Header_lines; /* 7 */
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/* Maximum number of columns allowed for display */
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#define MAX_COLS 512
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/* Log base 2 of 1024 is 10 (2^10 == 1024) */
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#define LOG1024 10
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/* Special atoi routine returns either a non-negative number or one of: */
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#define Infinity -1
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#define Invalid -2
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/* maximum number we can have */
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#define Largest 0x7fffffff
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/*
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* The entire display is based on these next numbers being defined as is.
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*/
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#define NUM_AVERAGES 3
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/* Exit code for system errors */
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#define TOP_EX_SYS_ERROR 23
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enum displaymodes { DISP_CPU = 0, DISP_IO, DISP_MAX };
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/*
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* Format modifiers
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*/
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#define FMT_SHOWARGS 0x00000001
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extern enum displaymodes displaymode;
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extern int pcpu_stats;
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extern int overstrike;
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extern const char * myname;
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extern int (*compares[])(const void*, const void*);
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char* kill_procs(char *);
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char* renice_procs(char *);
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extern char copyright[];
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/* internal routines */
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void quit(int);
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/*
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* The space command forces an immediate update. Sometimes, on loaded
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* systems, this update will take a significant period of time (because all
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* the output is buffered). So, if the short-term load average is above
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* "LoadMax", then top will put the cursor home immediately after the space
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* is pressed before the next update is attempted. This serves as a visual
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* acknowledgement of the command.
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*/
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#define LoadMax 5.0
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/*
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* "Nominal_TOPN" is used as the default TOPN when
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* the output is a dumb terminal. If we didn't do this, then
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* we will get every
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* process in the system when running top on a dumb terminal (or redirected
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* to a file). Note that Nominal_TOPN is a default: it can still be
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* overridden on the command line, even with the value "infinity".
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*/
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#define Nominal_TOPN 18
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/*
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* If the local system's getpwnam interface uses random access to retrieve
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* a record (i.e.: 4.3 systems, Sun "yellow pages"), then defining
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* RANDOM_PW will take advantage of that fact.
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*/
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#define RANDOM_PW 1
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#endif /* TOP_H */
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