| plan 9 kernel history: overview | file list | diff list |
1991/0724/port/portdat.h (diff list | history)
| 1991/0706/sys/src/9/port/portdat.h:63,69 – 1991/0724/sys/src/9/port/portdat.h:63,69 (short | long | prev | next) | ||
|
Format edit, remove blank lines.
rsc Fri Mar 4 12:44:25 2005 | ||
| 1991/0428 | List; Lock; int busy; | |
| 1991/0724 | long dt; /* may underflow in clock(); must be signed */ | |
| 1991/0428 | void (*f)(void*); void *arg; }; | |
| 1991/0706/sys/src/9/port/portdat.h:86,95 – 1991/0724/sys/src/9/port/portdat.h:86,95 | ||
| 1991/0428 | struct Block { Block *next; | |
| 1991/0724 | uchar *rptr; /* first unconsumed byte */ uchar *wptr; /* first empty byte */ uchar *lim; /* 1 past the end of the buffer */ uchar *base; /* start of the buffer */ | |
| 1991/0428 | uchar flags; uchar type; }; | |
| 1991/0706/sys/src/9/port/portdat.h:96,105 – 1991/0724/sys/src/9/port/portdat.h:96,105 | ||
| 1991/0428 | struct Blist { Lock; | |
| 1991/0724 | Block *first; /* first data block */ Block *last; /* last data block */ long len; /* length of list in bytes */ int nb; /* number of blocks in list */ | |
| 1991/0428 | }; /* | |
| 1991/0706/sys/src/9/port/portdat.h:107,127 – 1991/0724/sys/src/9/port/portdat.h:107,127 | ||
| 1991/0428 | */ enum { | |
| 1991/0724 | Aaccess, /* as in access, stat */ Atodir, /* as in chdir */ Aopen, /* for i/o */ Amount, /* to be mounted upon */ Acreate, /* file is to be created */ | |
| 1991/0428 | }; /* * Chan.flags */ | |
| 1991/0724 | #define COPEN 1 /* for i/o */ #define CMOUNT 2 /* is result of a mount/bind */ #define CCREATE 4 /* permits creation if CMOUNT */ #define CCEXEC 8 /* close on exec */ #define CFREE 16 /* not in use */ | |
| 1991/0428 | struct Chan { | |
| 1991/0706/sys/src/9/port/portdat.h:200,208 – 1991/0724/sys/src/9/port/portdat.h:200,208 | ||
| 1991/0428 | uchar data[1500]; uchar crc[4]; }; | |
| 1991/0724 | #define ETHERMINTU 60 /* minimum transmit size */ #define ETHERMAXTU 1514 /* maximum transmit size */ #define ETHERHDRSIZE 14 /* size of an ethernet header */ | |
| 1991/0428 | ||
| 1991/0607 | /* * character based IO (mouse, keyboard, console screen) | |
| 1991/0706/sys/src/9/port/portdat.h:287,298 – 1991/0724/sys/src/9/port/portdat.h:287,298 | ||
| 1991/0705 | struct Swapalloc { | |
| 1991/0724 | Lock; /* Free map lock */ int free; /* Number of currently free swap pages */ char *swmap; /* Base of swap map in memory */ char *alloc; /* Round robin allocator */ char *top; /* Top of swap map */ Rendez r; /* Pager kproc idle sleep */ | |
| 1991/0705 | }swapalloc; struct Image | |
| 1991/0706/sys/src/9/port/portdat.h:390,406 – 1991/0724/sys/src/9/port/portdat.h:390,406 | ||
| 1991/0705 | Lock; ulong addr; int active; | |
| 1991/0724 | Page *page; /* base of Page structures */ ulong minppn; /* index of first usable page */ Page *head; /* most recently used */ Page *tail; /* least recently used */ ulong freecount; /* how many pages on free list now */ ulong user; /* how many user pages */ | |
| 1991/0705 | Page *hash[PGHSIZE]; Lock hashlock; | |
| 1991/0724 | Rendez r; /* Sleep for free mem */ QLock pwait; /* Queue of procs waiting for memory */ int wanted; /* Do the wakeup at free */ | |
| 1991/0705 | }; | |
| 1991/0514 | enum /* Argument to forkpgrp call */ | |
| 1991/0706/sys/src/9/port/portdat.h:523,559 – 1991/0724/sys/src/9/port/portdat.h:523,559 | ||
| 1991/0428 | /* * Queue.flag */ | |
| 1991/0724 | #define QHUNGUP 0x1 /* flag bit meaning the stream has been hung up */ | |
| 1991/0428 | #define QINUSE 0x2 | |
| 1991/0724 | #define QHIWAT 0x4 /* queue has gone past the high water mark */ | |
| 1991/0428 | #define QDEBUG 0x8 struct Queue { Blist; int flag; | |
| 1991/0724 | Qinfo *info; /* line discipline definition */ Queue *other; /* opposite direction, same line discipline */ Queue *next; /* next queue in the stream */ | |
| 1991/0428 | void (*put)(Queue*, Block*); | |
| 1991/0724 | QLock rlock; /* mutex for processes sleeping at r */ Rendez r; /* standard place to wait for flow control */ Rendez *rp; /* where flow control wakeups go to */ void *ptr; /* private info for the queue */ | |
| 1991/0428 | }; struct Stream { | |
| 1991/0502 |
| |
| 1991/0724 | QLock; /* structure lock */ short inuse; /* number of processes in stream */ short opens; /* number of processes with stream open */ ushort hread; /* number of reads after hangup */ ushort type; /* correlation with Chan */ ushort dev; /* ... */ ushort id; /* ... */ QLock rdlock; /* read lock */ Queue *procq; /* write queue at process end */ Queue *devq; /* read queue at device end */ Block *err; /* error message from down stream */ int forcedelim; /* force a delimiter before the next message */ | |
| 1991/0428 | }; /* | |
| 1991/0706/sys/src/9/port/portdat.h:578,590 – 1991/0724/sys/src/9/port/portdat.h:578,590 | ||
| 1991/0428 | Sdataqid = Shighqid, Sctlqid = Sdataqid-1, Slowqid = Sctlqid, | |
| 1991/0724 | Streamhi= (9*1024), /* byte count high water mark */ Streambhi= 32, /* block count high water mark */ | |
| 1991/0428 | }; | |
| 1991/0614 |
| |
| 1991/0724 | #define MAXSYSARG 6 /* for mount(fd, mpt, flag, arg, srv, authfd) */ | |
| 1991/0428 | #define PRINTSIZE 256 | |
| 1991/0724 | #define NUMSIZE 12 /* size of formatted number */ | |
| 1991/0428 | extern FPsave initfp; extern Conf conf; | |
| 1991/0706/sys/src/9/port/portdat.h:600,605 – 1991/0724/sys/src/9/port/portdat.h:600,602 | ||
| 1991/0705 | #define CHDIR 0x80000000L #define CHAPPEND 0x40000000L #define CHEXCL 0x20000000L | |
| 1991/0428 | ||