1/* 2 * IRIX prctl interface 3 * 4 * The IRIX kernel maps a page at PRDA_ADDRESS with the 5 * contents of prda and fills it the bits on prda_sys. 6 */ 7 8#ifndef __PRCTL_H__ 9#define __PRCTL_H__ 10 11#define PRDA_ADDRESS 0x200000L 12#define PRDA ((struct prda *) PRDA_ADDRESS) 13 14struct prda_sys { 15 pid_t t_pid; 16 u32 t_hint; 17 u32 t_dlactseq; 18 u32 t_fpflags; 19 u32 t_prid; /* processor type, $prid CP0 register */ 20 u32 t_dlendseq; 21 u64 t_unused1[5]; 22 pid_t t_rpid; 23 s32 t_resched; 24 u32 t_unused[8]; 25 u32 t_cpu; /* current/last cpu */ 26 27 u32 t_flags; /* if true, then the sigprocmask is in userspace */ 28 u32 t_sigprocmask [1]; /* the sigprocmask */ 29}; 30 31struct prda { 32 char fill [0xe00]; 33 struct prda_sys prda_sys; 34}; 35 36#define t_sys prda_sys 37 38ptrdiff_t prctl (int op, int v1, int v2); 39 40#endif 41