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- /* $XConsortium: osdep.h,v 1.4 92/01/31 17:45:07 eswu Exp $ */
- /*
- * Copyright 1990, 1991 Network Computing Devices;
- * Portions Copyright 1987 by Digital Equipment Corporation and the
- * Massachusetts Institute of Technology
- *
- * Permission to use, copy, modify, and distribute this protoype software
- * and its documentation to Members and Affiliates of the MIT X Consortium
- * any purpose and without fee is hereby granted, provided
- * that the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the names of Network Computing Devices, Digital or
- * MIT not be used in advertising or publicity pertaining to distribution of
- * the software without specific, written prior permission.
- *
- * NETWORK COMPUTING DEVICES, DIGITAL AND MIT DISCLAIM ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS, IN NO EVENT SHALL NETWORK COMPUTING DEVICES, DIGITAL OR MIT BE
- * LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- *
- * @(#)osdep.h 4.1 5/2/91
- *
- */
-
- #ifndef _OSDEP_H_
- #define _OSDEP_H_
-
- #define BOTIMEOUT 200 /* in milliseconds */
- #define BUFSIZE 4096
- #define BUFWATERMARK 8192
- #define MAXBUFSIZE (1 << 18)
-
- #if NOFILE <= 128 /* 128 is value of MAXCLIENTS */
- #define MAXSOCKS (NOFILE - 1)
- #else
- #define MAXSOCKS 128
- #endif
-
- #define mskcnt ((MAXSOCKS + 31) / 32) /* size of bit array */
-
- #ifndef NULL
- #define NULL 0
- #endif
-
- #if (mskcnt==1)
- #define BITMASK(i) (1 << (i))
- #define MASKIDX(i) 0
- #endif
-
- #if (mskcnt>1)
- #define BITMASK(i) (1 << ((i) & 31))
- #define MASKIDX(i) ((i) >> 5)
- #endif
-
- #define MASKWORD(buf, i) buf[MASKIDX(i)]
- #define BITSET(buf, i) MASKWORD(buf, i) |= BITMASK(i)
- #define BITCLEAR(buf, i) MASKWORD(buf, i) &= ~BITMASK(i)
- #define GETBIT(buf, i) (MASKWORD(buf, i) & BITMASK(i))
-
- #if (mskcnt==1)
- #define COPYBITS(src, dst) dst[0] = src[0]
- #define CLEARBITS(buf) buf[0] = 0
- #define MASKANDSETBITS(dst, b1, b2) dst[0] = (b1[0] & b2[0])
- #define ORBITS(dst, b1, b2) dst[0] = (b1[0] | b2[0])
- #define UNSETBITS(dst, b1) (dst[0] &= ~b1[0])
- #define ANYSET(src) (src[0])
- #endif
-
- #if (mskcnt==2)
- #define COPYBITS(src, dst) dst[0] = src[0]; dst[1] = src[1]
- #define CLEARBITS(buf) buf[0] = 0; buf[1] = 0
- #define MASKANDSETBITS(dst, b1, b2) \
- dst[0] = (b1[0] & b2[0]);\
- dst[1] = (b1[1] & b2[1])
- #define ORBITS(dst, b1, b2) \
- dst[0] = (b1[0] | b2[0]);\
- dst[1] = (b1[1] | b2[1])
- #define UNSETBITS(dst, b1) \
- dst[0] &= ~b1[0]; \
- dst[1] &= ~b1[1]
- #define ANYSET(src) (src[0] || src[1])
- #endif
-
- #if (mskcnt==3)
- #define COPYBITS(src, dst) dst[0] = src[0]; dst[1] = src[1]; dst[2] = src[2];
- #define CLEARBITS(buf) buf[0] = 0; buf[1] = 0; buf[2] = 0
- #define MASKANDSETBITS(dst, b1, b2) \
- dst[0] = (b1[0] & b2[0]);\
- dst[1] = (b1[1] & b2[1]);\
- dst[2] = (b1[2] & b2[2])
- #define ORBITS(dst, b1, b2) \
- dst[0] = (b1[0] | b2[0]);\
- dst[1] = (b1[1] | b2[1]);\
- dst[2] = (b1[2] | b2[2])
- #define UNSETBITS(dst, b1) \
- dst[0] &= ~b1[0]; \
- dst[1] &= ~b1[1]; \
- dst[2] &= ~b1[2]
- #define ANYSET(src) (src[0] || src[1] || src[2])
- #endif
-
- #if (mskcnt==4)
- #define COPYBITS(src, dst) dst[0] = src[0]; dst[1] = src[1]; dst[2] = src[2];\
- dst[3] = src[3]
- #define CLEARBITS(buf) buf[0] = 0; buf[1] = 0; buf[2] = 0; buf[3] = 0
- #define MASKANDSETBITS(dst, b1, b2) \
- dst[0] = (b1[0] & b2[0]);\
- dst[1] = (b1[1] & b2[1]);\
- dst[2] = (b1[2] & b2[2]);\
- dst[3] = (b1[3] & b2[3])
- #define ORBITS(dst, b1, b2) \
- dst[0] = (b1[0] | b2[0]);\
- dst[1] = (b1[1] | b2[1]);\
- dst[2] = (b1[2] | b2[2]);\
- dst[3] = (b1[3] | b2[3])
- #define UNSETBITS(dst, b1) \
- dst[0] &= ~b1[0]; \
- dst[1] &= ~b1[1]; \
- dst[2] &= ~b1[2]; \
- dst[3] &= ~b1[3]
- #define ANYSET(src) (src[0] || src[1] || src[2] || src[3])
- #endif
-
- #if (mskcnt>4)
- #define COPYBITS(src, dst) bcopy((caddr_t) src, (caddr_t) dst,\
- mskcnt*sizeof(long))
- #define CLEARBITS(buf) bzero((caddr_t) buf, mskcnt*sizeof(long))
- #define MASKANDSETBITS(dst, b1, b2) \
- { int cri; \
- for (cri=0; cri<mskcnt; cri++) \
- dst[cri] = (b1[cri] & b2[cri]); }
- #define ORBITS(dst, b1, b2) \
- { int cri; \
- for (cri=0; cri<mskcnt; cri++) \
- dst[cri] = (b1[cri] | b2[cri]); }
- #define UNSETBITS(dst, b1) \
- { int cri; \
- for (cri=0; cri<mskcnt; cri++) \
- dst[cri] &= ~b1[cri]; }
- #if (mskcnt==8)
- #define ANYSET(src) (src[0] || src[1] || src[2] || src[3] || \
- src[4] || src[5] || src[6] || src[7])
- #endif
- /*
- * If mskcnt>4 and not 8, then ANYSET is a routine defined in WaitFor.c.
- *
- * #define ANYSET(src) (src[0] || src[1] || src[2] || src[3] || src[4] ...)
- */
- #endif
-
- typedef struct _connectionInput {
- struct _connectionInput *next;
- char *buffer; /* contains current client input */
- char *bufptr; /* pointer to current start of data */
- int bufcnt; /* count of bytes in buffer */
- int lenLastReq;
- int size;
- } ConnectionInput, *ConnectionInputPtr;
-
- typedef struct _connectionOutput {
- struct _connectionOutput *next;
- int size;
- unsigned char *buf;
- int count;
- } ConnectionOutput, *ConnectionOutputPtr;
-
- typedef struct _osComm {
- int fd;
- ConnectionInputPtr input;
- ConnectionOutputPtr output;
- long conn_time; /* timestamp if not established, else 0 */
- } OsCommRec, *OsCommPtr;
-
- extern Bool CloneSelf;
- extern Bool UseSyslog;
-
- #endif /* _OSDEP_H_ */
-