Subversion Repositories planix.SVN

#ifndef __LIB9_H
#define __LIB9_H
#if !defined(_RESEARCH_SOURCE) && !defined(_PLAN9_SOURCE)
    This header file is an extension to ANSI/POSIX
#endif
#pragma lib "/$M/lib/ape/lib9.a"

#include <u.h>          /* ick; need Rune defined below */

#define MORDER  0x0003  /* mask for bits defining order of mounting */
#define MREPL   0x0000  /* mount replaces object */
#define MBEFORE 0x0001  /* mount goes before others in union directory */
#define MAFTER  0x0002  /* mount goes after others in union directory */
#define MCREATE 0x0004  /* permit creation in mounted directory */
#define MRECOV  0x0008  /* perform recovery if mount channel is lost */
#define MCACHE  0x0010  /* cache some data */
#define MMASK   0x0007  /* all bits on */

#define FORKPG          1
#define FORKEG          2
#define FORKFD          4

#define SG_RONLY        0040    /* read only */
#define SG_CEXEC        0100    /* detach on exec */

enum
{
        RFNAMEG         = (1<<0),
        RFENVG          = (1<<1),
        RFFDG           = (1<<2),
        RFNOTEG         = (1<<3),
        RFPROC          = (1<<4),
        RFMEM           = (1<<5),
        RFNOWAIT        = (1<<6),
        RFCNAMEG        = (1<<10),
        RFCENVG         = (1<<11),
        RFCFDG          = (1<<12),
        RFREND          = (1<<13)
};

extern char *argv0;
#define ARGBEGIN        for((argv0||(argv0=*argv)),argv++,argc--;\
                            argv[0] && argv[0][0]=='-' && argv[0][1];\
                            argc--, argv++) {\
                                char *_args, *_argt;\
                                Rune _argc;\
                                _args = &argv[0][1];\
                                if(_args[0]=='-' && _args[1]==0){\
                                        argc--; argv++; break;\
                                }\
                                _argc = 0;\
                                while(*_args && (_args += chartorune(&_argc, _args)))\
                                switch(_argc)
#define ARGEND          SET(_argt);USED(_argt,_argc,_args);}USED(argv, argc);
#define ARGF()          (_argt=_args, _args="",\
                                (*_argt? _argt: argv[1]? (argc--, *++argv): 0))
#define EARGF(x)        (_argt=_args, _args="",\
                                (*_argt? _argt: argv[1]? (argc--, *++argv): ((x), abort(), (char*)0)))

#define ARGC()          _argc

extern  int     errstr(char*, unsigned int);
extern  int     bind(char*, char*, int);
extern  int     mount(int, int, char*, int, char*);
extern  int     unmount(char*, char*);
extern  int     rfork(int);
extern  int     segattach(int, char*, void*, unsigned long);
extern  int     segbrk(void*, void*);
extern  int     segdetach(void*);
extern  int     segflush(void*, unsigned long);
extern  int     segfree(void*, unsigned long);
extern  unsigned long   rendezvous(unsigned long, unsigned long);
extern  unsigned long   getfcr(void);
extern  unsigned long   getfsr(void);
extern  void            setfcr(unsigned long);
extern  void            setfsr(unsigned long);

#endif