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 #include <stdbool.h> 12 13 /* Number of lines of header information on the standard screen */ 14 extern int Header_lines; 15 16 /* Maximum number of columns allowed for display */ 17 #define MAX_COLS 512 18 19 /* Special atoi routine returns either a non-negative number or one of: */ 20 #define Infinity -1 21 #define Invalid -2 22 23 /* maximum number we can have */ 24 #define Largest 0x7fffffff 25 26 /* Exit code for system errors */ 27 #define TOP_EX_SYS_ERROR 23 28 29 enum displaymodes { DISP_CPU = 0, DISP_IO, DISP_MAX }; 30 31 /* 32 * Format modifiers 33 */ 34 #define FMT_SHOWARGS 0x00000001 35 36 extern enum displaymodes displaymode; 37 38 extern int pcpu_stats; 39 extern int overstrike; 40 extern pid_t mypid; 41 extern bool utf8flag; 42 43 extern const char * myname; 44 45 extern int (*compares[])(const void*, const void*); 46 47 const char* kill_procs(char *); 48 const char* renice_procs(char *); 49 50 extern char copyright[]; 51 52 void quit(int); 53 54 /* 55 * The space command forces an immediate update. Sometimes, on loaded 56 * systems, this update will take a significant period of time (because all 57 * the output is buffered). So, if the short-term load average is above 58 * "LoadMax", then top will put the cursor home immediately after the space 59 * is pressed before the next update is attempted. This serves as a visual 60 * acknowledgement of the command. 61 */ 62 #define LoadMax 5.0 63 64 /* 65 * "Nominal_TOPN" is used as the default TOPN when 66 * the output is a dumb terminal. If we didn't do this, then 67 * we will get every 68 * process in the system when running top on a dumb terminal (or redirected 69 * to a file). Note that Nominal_TOPN is a default: it can still be 70 * overridden on the command line, even with the value "infinity". 71 */ 72 #define Nominal_TOPN 18 73 74 #endif /* TOP_H */ 75