lib.h

// Definitions from libc used in the kernel

// open
#define OREAD   (1<<0)
#define OWRITE  (1<<1)
#define ORDWR   (1<<2)
#define OEXEC   (1<<3)

#define OTRUNC  (1<<4) // truncate before opening
#define OCEXEC  (1<<5) // close on exec
#define ORCLOSE (1<<6) // remove on close


// rfork
#define RFPROC   (1<<0)  // new proc
#define RFNOWAIT (1<<1)  // dissasociate child from parent (no Waitmsg for parent)
#define RFNAMEG  (1<<2)  // copy rather than share namespace
#define RFCNAMEG (1<<3)  // create clean namespace
#define RFNOMNT  (1<<4)	 // no new mounts and no paths beginning with #
#define RFENVG   (1<<5)  // copy rather than share environmental variables
#define RFCENVG  (1<<6)  // create empty environment
#define RFNOTEG  (1<<7)  // create new note group
#define RFFDG    (1<<8)  // copy rather than share file descriptor table
#define RFCFDG   (1<<9)  // create empty file descriptor table
#define RFREND   (1<<10) // create new rendevouz group
#define RFMEM    (1<<11) // share data and bss segments