diff options
Diffstat (limited to 'src/lib9/lib9.h')
| -rw-r--r-- | src/lib9/lib9.h | 246 |
1 files changed, 0 insertions, 246 deletions
diff --git a/src/lib9/lib9.h b/src/lib9/lib9.h deleted file mode 100644 index bb7e5404..00000000 --- a/src/lib9/lib9.h +++ /dev/null @@ -1,246 +0,0 @@ -/* - * Lib9 is miscellany from the Plan 9 C library that doesn't - * fit into libutf or into libfmt, but is still missing from traditional - * Unix C libraries. - */ -#ifndef _LIB9H_ -#define _LIB9H_ 1 - -#if defined(__cplusplus) -extern "C" { -#endif - - -#include <unistd.h> -#include <string.h> -#include <stdlib.h> -#include <stdarg.h> -#include <fcntl.h> -#include <assert.h> - -#ifndef _FMTH_ -# include <fmt.h> -#endif - -#define nil ((void*)0) -#define nelem(x) (sizeof(x)/sizeof((x)[0])) - -#define _NEEDUCHAR 1 -#define _NEEDUSHORT 1 -#define _NEEDUINT 1 -#define _NEEDULONG 1 - -#if defined(__linux__) -# include <sys/types.h> -# if defined(__USE_MISC) -# undef _NEEDUSHORT -# undef _NEEDUINT -# undef _NEEDULONG -# endif -#endif -#if defined(__FreeBSD__) -# include <sys/types.h> -# if !defined(_POSIX_SOURCE) -# undef _NEEDUSHORT -# undef _NEEDUINT -# endif -#endif - -typedef signed char schar; -typedef unsigned int u32int; -#ifdef _NEEDUCHAR - typedef unsigned char uchar; -#endif -#ifdef _NEEDUSHORT - typedef unsigned short ushort; -#endif -#ifdef _NEEDUINT - typedef unsigned int uint; -#endif -#ifdef _NEEDULONG - typedef unsigned long ulong; -#endif -typedef unsigned long long uvlong; -typedef long long vlong; - -/* rfork to create new process running fn(arg) */ - -#if defined(__FreeBSD__) -#undef RFFDG -#undef RFNOTEG -#undef RFPROC -#undef RFMEM -#undef RFNOWAIT -#undef RFCFDG -#endif - -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), */ -/* RFNOMNT = (1<<14) */ -}; -extern int ffork(int, void(*)(void*), void*); - -/* wait for processes */ -#define wait _p9wait -typedef struct Waitmsg Waitmsg; -struct Waitmsg -{ - int pid; /* of loved one */ - ulong time[3]; /* of loved one & descendants */ - char *msg; -}; -extern int await(char*, int); -extern Waitmsg* wait(void); - -/* synchronization */ -typedef struct Lock Lock; -struct Lock -{ - int val; -}; - -extern int _tas(void*); -extern void lock(Lock*); -extern void unlock(Lock*); -extern int canlock(Lock*); - -typedef struct QLp QLp; -struct QLp -{ - int inuse; - QLp *next; - int state; -}; - -typedef struct QLock QLock; -struct QLock -{ - Lock lock; - int locked; - QLp *head; - QLp *tail; -}; - -extern void qlock(QLock*); -extern void qunlock(QLock*); -extern int canqlock(QLock*); -extern void _qlockinit(ulong (*)(ulong, ulong)); - -typedef struct RWLock RWLock; -struct RWLock -{ - Lock lock; - int readers; - int writer; - QLp *head; - QLp *tail; -}; - -extern void rlock(RWLock*); -extern void runlock(RWLock*); -extern int canrlock(RWLock*); -extern void wlock(RWLock*); -extern void wunlock(RWLock*); -extern int canwlock(RWLock*); - -typedef struct Rendez Rendez; -struct Rendez -{ - QLock *l; - QLp *head; - QLp *tail; -}; - -extern void rsleep(Rendez*); -extern int rwakeup(Rendez*); -extern int rwakeupall(Rendez*); - -extern ulong rendezvous(ulong, ulong); - -/* one of a kind */ -extern void sysfatal(char*, ...); -extern int nrand(int); -extern void setmalloctag(void*, ulong); -extern void setrealloctag(void*, ulong); -extern void *mallocz(ulong, int); -extern long readn(int, void*, long); -extern void exits(char*); -extern void _exits(char*); -extern ulong getcallerpc(void*); - -/* string routines */ -extern char* strecpy(char*, char*, char*); -extern int tokenize(char*, char**, int); -extern int cistrncmp(char*, char*, int); -extern int cistrcmp(char*, char*); -extern char* cistrstr(char*, char*); -extern int getfields(char*, char**, int, int, char*); -extern int gettokens(char *, char **, int, char *); - -/* formatting helpers */ -extern int dec64(uchar*, int, char*, int); -extern int enc64(char*, int, uchar*, int); -extern int dec32(uchar*, int, char*, int); -extern int enc32(char*, int, uchar*, int); -extern int dec16(uchar*, int, char*, int); -extern int enc16(char*, int, uchar*, int); -extern int encodefmt(Fmt*); - -/* error string */ -enum -{ - ERRMAX = 128 -}; -extern void rerrstr(char*, uint); -extern void werrstr(char*, ...); -extern int errstr(char*, uint); - -/* compiler directives on plan 9 */ -#define USED(x) if(x){}else{} -#define SET(x) ((x)=0) - -/* command line */ -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);USED(_argc);USED(_args);}USED(argv);USED(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 - -#define OREAD O_RDONLY -#define OWRITE O_WRONLY -#define AEXIST 0 -#define AREAD 4 -#define AWRITE 2 -#define AEXEC 1 - -#if defined(__cplusplus) -} -#endif - -#endif /* _LIB9H_ */ |