/* Prototypes for system library functions. */#ifndef _SYSLIB_H#define _SYSLIB_H#ifndef _TYPES_H#include <sys/types.h>#endif#ifndef _IPC_H#include <minix/ipc.h>#endif#ifndef _DEVIO_H#include <minix/devio.h>#endif/* Forward declaration */struct reg86u;#define SYSTASK SYSTEM/*==========================================================================*  * Minix system library. 						    * *==========================================================================*/ _PROTOTYPE( int _taskcall, (int who, int syscallnr, message *msgptr));_PROTOTYPE( int sys_abort, (int how, ...));_PROTOTYPE( int sys_enable_iop, (int proc));_PROTOTYPE( int sys_exec, (int proc, char *ptr,  				char *aout, vir_bytes initpc));_PROTOTYPE( int sys_fork, (int parent, int child));_PROTOTYPE( int sys_chrt, (int pid, long deadline));_PROTOTYPE( int sys_newmap, (int proc, struct mem_map *ptr));_PROTOTYPE( int sys_exit, (int proc));_PROTOTYPE( int sys_trace, (int req, int proc, long addr, long *data_p));_PROTOTYPE( int sys_svrctl, (int proc, int req, int priv,vir_bytes argp));_PROTOTYPE( int sys_nice, (int proc, int priority));_PROTOTYPE( int sys_int86, (struct reg86u *reg86p));/* Shorthands for sys_sdevio() system call. */#define sys_insb(port, proc_nr, buffer, count) \	sys_sdevio(DIO_INPUT, port, DIO_BYTE, proc_nr, buffer, count)#define sys_insw(port, proc_nr, buffer, count) \	sys_sdevio(DIO_INPUT, port, DIO_WORD, proc_nr, buffer, count)#define sys_outsb(port, proc_nr, buffer, count) \	sys_sdevio(DIO_OUTPUT, port, DIO_BYTE, proc_nr, buffer, count)#define sys_outsw(port, proc_nr, buffer, count) \	sys_sdevio(DIO_OUTPUT, port, DIO_WORD, proc_nr, buffer, count)_PROTOTYPE( int sys_sdevio, (int req, long port, int type, int proc_nr,	void *buffer, int count));/* Clock functionality: get system times or (un)schedule an alarm call. */_PROTOTYPE( int sys_times, (int proc_nr, clock_t *ptr));_PROTOTYPE(int sys_setalarm, (clock_t exp_time, int abs_time));/* Shorthands for sys_irqctl() system call. */#define sys_irqdisable(hook_id) \    sys_irqctl(IRQ_DISABLE, 0, 0, hook_id) #define sys_irqenable(hook_id) \    sys_irqctl(IRQ_ENABLE, 0, 0, hook_id) #define sys_irqsetpolicy(irq_vec, policy, hook_id) \    sys_irqctl(IRQ_SETPOLICY, irq_vec, policy, hook_id)#define sys_irqrmpolicy(irq_vec, hook_id) \    sys_irqctl(IRQ_RMPOLICY, irq_vec, 0, hook_id)_PROTOTYPE ( int sys_irqctl, (int request, int irq_vec, int policy,    int *irq_hook_id) );/* Shorthands for sys_vircopy() and sys_physcopy() system calls. */#define sys_biosin(bios_vir, dst_vir, bytes) \	sys_vircopy(SELF, BIOS_SEG, bios_vir, SELF, D, dst_vir, bytes)#define sys_biosout(src_vir, bios_vir, bytes) \	sys_vircopy(SELF, D, src_vir, SELF, BIOS_SEG, bios_vir, bytes)#define sys_datacopy(src_proc, src_vir, dst_proc, dst_vir, bytes) \	sys_vircopy(src_proc, D, src_vir, dst_proc, D, dst_vir, bytes)#define sys_textcopy(src_proc, src_vir, dst_proc, dst_vir, bytes) \	sys_vircopy(src_proc, T, src_vir, dst_proc, T, dst_vir, bytes)#define sys_stackcopy(src_proc, src_vir, dst_proc, dst_vir, bytes) \	sys_vircopy(src_proc, S, src_vir, dst_proc, S, dst_vir, bytes)_PROTOTYPE(int sys_vircopy, (int src_proc, int src_seg, vir_bytes src_vir,	int dst_proc, int dst_seg, vir_bytes dst_vir, phys_bytes bytes));#define sys_abscopy(src_phys, dst_phys, bytes) \	sys_physcopy(NONE, PHYS_SEG, src_phys, NONE, PHYS_SEG, dst_phys, bytes)_PROTOTYPE(int sys_physcopy, (int src_proc, int src_seg, vir_bytes src_vir,	int dst_proc, int dst_seg, vir_bytes dst_vir, phys_bytes bytes));_PROTOTYPE(int sys_memset, (unsigned long pattern, 		phys_bytes base, phys_bytes bytes));/* Vectored virtual / physical copy calls. */#if DEAD_CODE		/* library part not yet implemented */_PROTOTYPE(int sys_virvcopy, (phys_cp_req *vec_ptr,int vec_size,int *nr_ok));_PROTOTYPE(int sys_physvcopy, (phys_cp_req *vec_ptr,int vec_size,int *nr_ok));#endif_PROTOTYPE(int sys_umap, (int proc_nr, int seg, vir_bytes vir_addr,	 vir_bytes bytes, phys_bytes *phys_addr));_PROTOTYPE(int sys_segctl, (int *index, u16_t *seg, vir_bytes *off,	phys_bytes phys, vir_bytes size));/* Shorthands for sys_getinfo() system call. */#define sys_getkmessages(dst)	sys_getinfo(GET_KMESSAGES, dst, 0,0,0)#define sys_getkinfo(dst)	sys_getinfo(GET_KINFO, dst, 0,0,0)#define sys_getmachine(dst)	sys_getinfo(GET_MACHINE, dst, 0,0,0)#define sys_getproctab(dst)	sys_getinfo(GET_PROCTAB, dst, 0,0,0)#define sys_getprivtab(dst)	sys_getinfo(GET_PRIVTAB, dst, 0,0,0)#define sys_getproc(dst,nr)	sys_getinfo(GET_PROC, dst, 0,0, nr)#define sys_getrandomness(dst)	sys_getinfo(GET_RANDOMNESS, dst, 0,0,0)#define sys_getimage(dst)	sys_getinfo(GET_IMAGE, dst, 0,0,0)#define sys_getirqhooks(dst)	sys_getinfo(GET_IRQHOOKS, dst, 0,0,0)#define sys_getmonparams(v,vl)	sys_getinfo(GET_MONPARAMS, v,vl, 0,0)#define sys_getschedinfo(v1,v2)	sys_getinfo(GET_SCHEDINFO, v1,0, v2,0)#define sys_getlocktimings(dst)	sys_getinfo(GET_LOCKTIMING, dst, 0,0,0)#define sys_getbiosbuffer(virp, sizep) sys_getinfo(GET_BIOSBUFFER, virp, \	sizeof(*virp), sizep, sizeof(*sizep))_PROTOTYPE(int sys_getinfo, (int request, void *val_ptr, int val_len,				 void *val_ptr2, int val_len2)		);/* Signal control. */_PROTOTYPE(int sys_kill, (int proc, int sig) );_PROTOTYPE(int sys_sigsend, (int proc_nr, struct sigmsg *sig_ctxt) ); _PROTOTYPE(int sys_sigreturn, (int proc_nr, struct sigmsg *sig_ctxt) );_PROTOTYPE(int sys_getksig, (int *k_proc_nr, sigset_t *k_sig_map) ); _PROTOTYPE(int sys_endksig, (int proc_nr) );/* NOTE: two different approaches were used to distinguish the device I/O * types 'byte', 'word', 'long': the latter uses #define and results in a * smaller implementation, but looses the static type checking. */_PROTOTYPE(int sys_voutb, (pvb_pair_t *pvb_pairs, int nr_ports)		);_PROTOTYPE(int sys_voutw, (pvw_pair_t *pvw_pairs, int nr_ports)		);_PROTOTYPE(int sys_voutl, (pvl_pair_t *pvl_pairs, int nr_ports)		);_PROTOTYPE(int sys_vinb, (pvb_pair_t *pvb_pairs, int nr_ports)		);_PROTOTYPE(int sys_vinw, (pvw_pair_t *pvw_pairs, int nr_ports)		);_PROTOTYPE(int sys_vinl, (pvl_pair_t *pvl_pairs, int nr_ports)		);/* Shorthands for sys_out() system call. */#define sys_outb(p,v)	sys_out((p), (unsigned long) (v), DIO_BYTE)#define sys_outw(p,v)	sys_out((p), (unsigned long) (v), DIO_WORD)#define sys_outl(p,v)	sys_out((p), (unsigned long) (v), DIO_LONG)_PROTOTYPE(int sys_out, (int port, unsigned long value, int type)	); /* Shorthands for sys_in() system call. */#define sys_inb(p,v)	sys_in((p), (unsigned long*) (v), DIO_BYTE)#define sys_inw(p,v)	sys_in((p), (unsigned long*) (v), DIO_WORD)#define sys_inl(p,v)	sys_in((p), (unsigned long*) (v), DIO_LONG)_PROTOTYPE(int sys_in, (int port, unsigned long *value, int type)	);#endif /* _SYSLIB_H */