1 /* 2 * $FreeBSD$ 3 */ 4 /* 5 * Top - a top users display for Berkeley Unix 6 * 7 * General (global) definitions 8 */ 9 10 #ifndef TOP_H 11 #define TOP_H 12 13 #define Default_DELAY 2 14 15 /* Number of lines of header information on the standard screen */ 16 extern int Header_lines; /* 7 */ 17 18 /* Maximum number of columns allowed for display */ 19 #define MAX_COLS 512 20 21 /* Log base 2 of 1024 is 10 (2^10 == 1024) */ 22 #define LOG1024 10 23 24 /* Special atoi routine returns either a non-negative number or one of: */ 25 #define Infinity -1 26 #define Invalid -2 27 28 /* maximum number we can have */ 29 #define Largest 0x7fffffff 30 31 /* 32 * The entire display is based on these next numbers being defined as is. 33 */ 34 35 #define NUM_AVERAGES 3 36 37 enum displaymodes { DISP_CPU = 0, DISP_IO, DISP_MAX }; 38 39 /* 40 * Format modifiers 41 */ 42 #define FMT_SHOWARGS 0x00000001 43 44 extern enum displaymodes displaymode; 45 46 extern int pcpu_stats; 47 extern int overstrike; 48 49 extern const char * myname; 50 51 extern int (*compares[])(const void*, const void*); 52 53 char* kill_procs(char *); 54 char* renice_procs(char *); 55 56 extern char copyright[]; 57 /* internal routines */ 58 void quit(int); 59 60 61 /* 62 * The space command forces an immediate update. Sometimes, on loaded 63 * systems, this update will take a significant period of time (because all 64 * the output is buffered). So, if the short-term load average is above 65 * "LoadMax", then top will put the cursor home immediately after the space 66 * is pressed before the next update is attempted. This serves as a visual 67 * acknowledgement of the command. 68 */ 69 #define LoadMax 5.0 70 71 /* 72 * "Nominal_TOPN" is used as the default TOPN when 73 * the output is a dumb terminal. If we didn't do this, then 74 * we will get every 75 * process in the system when running top on a dumb terminal (or redirected 76 * to a file). Note that Nominal_TOPN is a default: it can still be 77 * overridden on the command line, even with the value "infinity". 78 */ 79 #define Nominal_TOPN 18 80 81 /* 82 * If the local system's getpwnam interface uses random access to retrieve 83 * a record (i.e.: 4.3 systems, Sun "yellow pages"), then defining 84 * RANDOM_PW will take advantage of that fact. 85 */ 86 87 #define RANDOM_PW 1 88 89 #endif /* TOP_H */ 90