1 /*- 2 * Top - a top users display for Berkeley Unix 3 * 4 * $FreeBSD$ 5 */ 6 7 #ifndef TOP_H 8 #define TOP_H 9 10 #include <unistd.h> 11 12 /* Number of lines of header information on the standard screen */ 13 extern int Header_lines; 14 15 /* Maximum number of columns allowed for display */ 16 #define MAX_COLS 512 17 18 /* Special atoi routine returns either a non-negative number or one of: */ 19 #define Infinity -1 20 #define Invalid -2 21 22 /* maximum number we can have */ 23 #define Largest 0x7fffffff 24 25 /* Exit code for system errors */ 26 #define TOP_EX_SYS_ERROR 23 27 28 enum displaymodes { DISP_CPU = 0, DISP_IO, DISP_MAX }; 29 30 /* 31 * Format modifiers 32 */ 33 #define FMT_SHOWARGS 0x00000001 34 35 extern enum displaymodes displaymode; 36 37 extern int pcpu_stats; 38 extern int overstrike; 39 extern pid_t mypid; 40 41 extern const char * myname; 42 43 extern int (*compares[])(const void*, const void*); 44 45 const char* kill_procs(char *); 46 const char* renice_procs(char *); 47 48 extern char copyright[]; 49 50 void quit(int); 51 52 /* 53 * The space command forces an immediate update. Sometimes, on loaded 54 * systems, this update will take a significant period of time (because all 55 * the output is buffered). So, if the short-term load average is above 56 * "LoadMax", then top will put the cursor home immediately after the space 57 * is pressed before the next update is attempted. This serves as a visual 58 * acknowledgement of the command. 59 */ 60 #define LoadMax 5.0 61 62 /* 63 * "Nominal_TOPN" is used as the default TOPN when 64 * the output is a dumb terminal. If we didn't do this, then 65 * we will get every 66 * process in the system when running top on a dumb terminal (or redirected 67 * to a file). Note that Nominal_TOPN is a default: it can still be 68 * overridden on the command line, even with the value "infinity". 69 */ 70 #define Nominal_TOPN 18 71 72 #endif /* TOP_H */ 73