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 #include <unistd.h> 14 15 #define Default_DELAY 2 16 17 /* Number of lines of header information on the standard screen */ 18 extern int Header_lines; /* 7 */ 19 20 /* Maximum number of columns allowed for display */ 21 #define MAX_COLS 512 22 23 /* Special atoi routine returns either a non-negative number or one of: */ 24 #define Infinity -1 25 #define Invalid -2 26 27 /* maximum number we can have */ 28 #define Largest 0x7fffffff 29 30 /* 31 * The entire display is based on these next numbers being defined as is. 32 */ 33 34 /* Exit code for system errors */ 35 #define TOP_EX_SYS_ERROR 23 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 extern pid_t mypid; 49 50 51 extern const char * myname; 52 53 extern int (*compares[])(const void*, const void*); 54 55 char* kill_procs(char *); 56 char* renice_procs(char *); 57 58 extern char copyright[]; 59 60 void quit(int); 61 62 /* 63 * The space command forces an immediate update. Sometimes, on loaded 64 * systems, this update will take a significant period of time (because all 65 * the output is buffered). So, if the short-term load average is above 66 * "LoadMax", then top will put the cursor home immediately after the space 67 * is pressed before the next update is attempted. This serves as a visual 68 * acknowledgement of the command. 69 */ 70 #define LoadMax 5.0 71 72 /* 73 * "Nominal_TOPN" is used as the default TOPN when 74 * the output is a dumb terminal. If we didn't do this, then 75 * we will get every 76 * process in the system when running top on a dumb terminal (or redirected 77 * to a file). Note that Nominal_TOPN is a default: it can still be 78 * overridden on the command line, even with the value "infinity". 79 */ 80 #define Nominal_TOPN 18 81 82 /* 83 * If the local system's getpwnam interface uses random access to retrieve 84 * a record (i.e.: 4.3 systems, Sun "yellow pages"), then defining 85 * RANDOM_PW will take advantage of that fact. 86 */ 87 88 #define RANDOM_PW 1 89 90 #endif /* TOP_H */ 91