PWB1/usr/include/system.h
#define NOFILE 15 /* max open files per process */
/*
* signals
* dont change
*/
#define NSIG 16
/*
* No more than 16 signals (1-16) because they are
* stored in bits in a word.
*/
#define SIGHUP 1 /* hangup */
#define SIGINT 2 /* interrupt (rubout) */
#define SIGQIT 3 /* quit (FS) */
#define SIGINS 4 /* illegal instruction */
#define SIGTRC 5 /* trace or breakpoint */
#define SIGIOT 6 /* iot */
#define SIGEMT 7 /* emt */
#define SIGFPT 8 /* floating exception */
#define SIGKIL 9 /* kill, uncatchable termination */
#define SIGBUS 10 /* bus error */
#define SIGSEG 11 /* segmentation violation */
#define SIGSYS 12 /* bad system call */
#define SIGPIPE 13 /* end of pipe */
#define SIGCLK 14 /* alarm clock */
#define SIGTRM 15 /* Catchable termination */
/*
* fundamental constants
* cannot be changed
*/
#define ROOTINO 1 /* i number of all roots */
#define DIRSIZ 14 /* max characters per directory */