freebsd-dev/usr.bin/top/top.h
2018-06-12 07:31:59 +00:00

73 lines
1.7 KiB
C

/*-
* Top - a top users display for Berkeley Unix
*
* $FreeBSD$
*/
#ifndef TOP_H
#define TOP_H
#include <unistd.h>
/* Number of lines of header information on the standard screen */
extern int Header_lines;
/* Maximum number of columns allowed for display */
#define MAX_COLS 512
/* Special atoi routine returns either a non-negative number or one of: */
#define Infinity -1
#define Invalid -2
/* maximum number we can have */
#define Largest 0x7fffffff
/* Exit code for system errors */
#define TOP_EX_SYS_ERROR 23
enum displaymodes { DISP_CPU = 0, DISP_IO, DISP_MAX };
/*
* Format modifiers
*/
#define FMT_SHOWARGS 0x00000001
extern enum displaymodes displaymode;
extern int pcpu_stats;
extern int overstrike;
extern pid_t mypid;
extern const char * myname;
extern int (*compares[])(const void*, const void*);
const char* kill_procs(char *);
const char* renice_procs(char *);
extern char copyright[];
void quit(int);
/*
* The space command forces an immediate update. Sometimes, on loaded
* systems, this update will take a significant period of time (because all
* the output is buffered). So, if the short-term load average is above
* "LoadMax", then top will put the cursor home immediately after the space
* is pressed before the next update is attempted. This serves as a visual
* acknowledgement of the command.
*/
#define LoadMax 5.0
/*
* "Nominal_TOPN" is used as the default TOPN when
* the output is a dumb terminal. If we didn't do this, then
* we will get every
* process in the system when running top on a dumb terminal (or redirected
* to a file). Note that Nominal_TOPN is a default: it can still be
* overridden on the command line, even with the value "infinity".
*/
#define Nominal_TOPN 18
#endif /* TOP_H */