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