removed accidentally added directory machine
This commit is contained in:
parent
0c55bd5ec3
commit
dacfeca1ad
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@ -1,13 +0,0 @@
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;;; Flags that control buffering policy.
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;;; Copyright (c) 1993 by Olin Shivers.
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;;; Copyright (c) 1995 by Brian D. Carlstrom.
|
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|
||||
;;; These are for the SET-PORT-BUFFERING procedure, essentially a Scheme
|
||||
;;; analog of the setbuf(3S) stdio call. We use the actual stdio values.
|
||||
;;; These constants are not likely to change from stdio lib to stdio lib,
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;;; but you need to check when you do a port.
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|
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(define-enum-constants bufpol
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(block 0) ; _IOFBF
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(line 1) ; _IOLBF
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(none 2)) ; _IONBF
|
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@ -1,133 +0,0 @@
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;;; Errno constant definitions.
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;;; Copyright (c) 1993 by Olin Shivers.
|
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;;; Copyright (c) 1994 by Brian D. Carlstrom.
|
||||
|
||||
;;; These are the correct values for BSD4.4-Lite-based systems
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;;; such as NetBSD 1.0 and FreeBSD 2.0.
|
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|
||||
(define errno/2big 7) ; 2big is not a legit Scheme symbol. Lose, lose.
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|
||||
(define-enum-constants errno
|
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;; POSIX:
|
||||
(perm 1) ; Operation not permitted
|
||||
(noent 2) ; No such file or directory
|
||||
(srch 3) ; No such process
|
||||
(intr 4) ; Interrupted function call
|
||||
(io 5) ; Input/output error
|
||||
(nxio 6) ; No such device or address
|
||||
; (2big 7) ; Arg list too long
|
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(noexec 8) ; Exec format error
|
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(badf 9) ; Bad file descriptor
|
||||
(child 10) ; No child processes
|
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;; BSD4.4-Lite
|
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(deadlk 11) ; Resource deadlock avoided
|
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;; POSIX:
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(nomem 12) ; Not enough space
|
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(acces 13) ; Permission denied
|
||||
(fault 14) ; Bad address
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|
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;; BSD4.4-Lite
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(notblk 15) ; Block device required
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|
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;; POSIX
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(busy 16) ; Resource busy
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(exist 17) ; File exists
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(xdev 18) ; Improper link
|
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(nodev 19) ; No such device
|
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(notdir 20) ; Not a directory
|
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(isdir 21) ; Is a directory
|
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(inval 22) ; Invalid argument
|
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(nfile 23) ; Too many open files in system
|
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(mfile 24) ; Too many open files
|
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(notty 25) ; Inappropriate I/O control operation
|
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;; BSD4.4-Lite
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(txtbsy 26) ; Text file busy
|
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;; POSIX
|
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(fbig 27) ; File too large
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(nospc 28) ; No space left on device
|
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(spipe 29) ; Invalid seek
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(rofs 30) ; Read-only file system
|
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(mlink 31) ; Too many links
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(pipe 32) ; Broken pipe
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|
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;; Strict ANSI
|
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;; math software
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(dom 33) ; Domain error
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(range 34) ; Result too large
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|
||||
;; POSIX
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(again 35) ; Resource temporarily unavaile (note overlap)
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||||
|
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;; BSD4.4-Lite
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;; non-blocking and interrupt i/o
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(wouldblock 35) ; Operation would block
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(inprogress 36) ; Operation now in progress
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(already 37) ; Operation already in progress
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|
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;; ipc/network software
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|
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;; argument errors
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(notsock 38) ; Socket operation on non-socket
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(destaddrreq 39) ; Destination address required
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(msgsize 40) ; Message too long
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(prototype 41) ; Protocol wrong type for socket
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(noprotoopt 42) ; Protocol not available
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(protonosupport 43) ; Protocol not supported
|
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(socktnosupport 44) ; Socket type not supported
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(opnotsupp 45) ; Operation not supported on socket
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(pfnosupport 46) ; Protocol family not supported
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(afnosupport 47) ; Address family not supported by protocol family
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(addrinuse 48) ; Address already in use
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(addrnotavail 49) ; Can't assign requested address
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|
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;; operational errors
|
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(netdown 50) ; Network is down
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(netunreach 51) ; Network is unreachable
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(netreset 52) ; Network dropped connection on reset
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(connaborted 53) ; Software caused connection abort
|
||||
(connreset 54) ; Connection reset by peer
|
||||
(nobufs 55) ; No buffer space available
|
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(isconn 56) ; Socket is already connected
|
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(notconn 57) ; Socket is not connected
|
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(shutdown 58) ; Can't send after socket shutdown
|
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(toomanyrefs 59) ; Too many references: can't splice
|
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(timedout 60) ; Connection timed out
|
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(connrefused 61) ; Connection refused
|
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|
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(loop 62) ; Too many levels of symbolic links
|
||||
|
||||
;; POSIX:
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(nametoolong 63) ; File name too long
|
||||
|
||||
;; BSD4.4-Lite
|
||||
(hostdown 64) ; Host is down
|
||||
(hostunreach 65) ; No route to host
|
||||
|
||||
;; POSIX:
|
||||
(notempty 66) ; Directory not empty
|
||||
|
||||
;; BSD4.4-Lite
|
||||
;; quotas & mush
|
||||
(proclim 67) ; Too many processes
|
||||
(users 68) ; Too many users
|
||||
(dquot 69) ; Disc quota exceeded
|
||||
|
||||
;; Network File System
|
||||
(stale 70) ; Stale NFS file handle
|
||||
(remote 71) ; Too many levels of remote in path
|
||||
(badrpc 72) ; RPC struct is bad
|
||||
(rpcmismatch 73) ; RPC version wrong
|
||||
(progunavail 74) ; RPC prog. not avail
|
||||
(progmismatch 75) ; Program version wrong
|
||||
(procunavail 76) ; Bad procedure for program
|
||||
|
||||
;; SystemV Record Locking
|
||||
(nolck 77) ; No locks available
|
||||
;; POSIX
|
||||
(nosys 78) ; Function not implemented
|
||||
|
||||
;; BSD4.4-Lite
|
||||
(ftype 79) ; Inappropriate file type or format
|
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(auth 80) ; Authentication error
|
||||
(needauth 81) ; Need authenticator
|
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(last 81)) ; Must be equal largest errno
|
|
@ -1,55 +0,0 @@
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;;; Flags for open(2) and fcntl(2).
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;;; Copyright (c) 1993 by Olin Shivers.
|
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;;; Copyright (c) 1994 by Brian D. Carlstrom
|
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|
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(define-enum-constants open
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;; POSIX
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||||
(read #x0000)
|
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(write #x0001)
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(read+write #x0002)
|
||||
(non-blocking #x0004) ; no delay
|
||||
(append #x0008) ; set append mode
|
||||
|
||||
;; BSD4.4-Lite
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(shared-lock #x0010) ; open with shared file lock
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||||
(exclusive-lock #x0020) ; open with exclusive file lock
|
||||
(async #x0040) ; signal pgrep when data ready
|
||||
(fsync #x0080) ; synchronus writes
|
||||
|
||||
;; POSIX
|
||||
(create #x0200) ; create if nonexistant
|
||||
(truncate #x0400) ; truncate to zero length
|
||||
(exclusive #x0800) ; error if already exists
|
||||
(no-control-tty #x0000)) ; don't assign controlling terminal
|
||||
|
||||
(define open/access-mask
|
||||
(bitwise-ior open/read
|
||||
(bitwise-ior open/write open/read+write)))
|
||||
|
||||
;;; fcntl() commands
|
||||
(define-enum-constants fcntl
|
||||
(dup-fdes 0) ; F_DUPFD
|
||||
(get-fdes-flags 1) ; F_GETFD
|
||||
(set-fdes-flags 2) ; F_SETFD
|
||||
(get-status-flags 3) ; F_GETFL
|
||||
(set-status-flags 4) ; F_SETFL
|
||||
(get-owner 5) ; F_GETOWN (Not POSIX)
|
||||
(set-owner 6) ; F_SETOWN (Not POSIX)
|
||||
(get-record-lock 7) ; F_GETLK
|
||||
(set-record-lock-no-block 8) ; F_SETLK
|
||||
(set-record-lock 9)) ; F_SETLKW
|
||||
|
||||
;;; fcntl fdes-flags (F_GETFD)
|
||||
|
||||
(define fdflags/close-on-exec 1)
|
||||
|
||||
;;; fcntl status-flags (F_GETFL)
|
||||
;;; Mostly, these are OPEN/... flags, like OPEN/APPEND.
|
||||
;;; (define fdstatus/... ...)
|
||||
|
||||
;;; fcntl lock values.
|
||||
|
||||
(define-enum-constants lock
|
||||
(read 1) ; F_RDLCK
|
||||
(release 2) ; F_UNLCK
|
||||
(write 3)) ; F_WRLCK
|
|
@ -1,3 +0,0 @@
|
|||
/* OS-dependent support for what is supposed to be the standard ANSI C Library.
|
||||
** Copyright (c) 1996 by Brian D. Carlstrom.
|
||||
*/
|
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@ -1,139 +0,0 @@
|
|||
;;; Magic Numbers for Networking
|
||||
;;; Copyright (c) 1994 by Brian D. Carlstrom.
|
||||
|
||||
;;; magic numbers not from header file
|
||||
;;; but from man page
|
||||
;;; why can't unix make up its mind
|
||||
(define shutdown/receives 0)
|
||||
(define shutdown/sends 1)
|
||||
(define shutdown/sends+receives 2)
|
||||
|
||||
;;;-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
|
||||
;;; BELOW THIS POINT ARE BITS FROM:
|
||||
;;; <sys/socket.h>
|
||||
;;; <sys/un.h>
|
||||
;;; <netinet/in.h>
|
||||
;;; <netinet/tcp.h>
|
||||
;;; <netdb.h>
|
||||
;;;-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
|
||||
|
||||
;;; ADDRESS FAMILIES -- <sys/socket.h>
|
||||
(define address-family/unspecified 0) ; unspecified
|
||||
(define address-family/unix 1) ; local to host (pipes, portals)
|
||||
(define address-family/internet 2) ; internetwork: UDP, TCP, etc.
|
||||
|
||||
;;; SOCKET TYPES -- <sys/socket.h>
|
||||
(define socket-type/stream 1) ; stream socket
|
||||
(define socket-type/datagram 2) ; datagram socket
|
||||
(define socket-type/raw 3) ; raw-protocol interface
|
||||
;;(define socket-type/rdm 4) ; reliably-delivered message
|
||||
;;(define socket-type/seqpacket 5) ; sequenced packet stream
|
||||
|
||||
;;; PROTOCOL FAMILIES -- <sys/socket.h>
|
||||
(define protocol-family/unspecified 0) ; unspecified
|
||||
(define protocol-family/unix 1) ; local to host (pipes, portals)
|
||||
(define protocol-family/internet 2) ; internetwork: UDP, TCP, etc.
|
||||
|
||||
;;; Well know addresses -- <netinet/in.h>
|
||||
(define internet-address/any #x00000000)
|
||||
(define internet-address/loopback #x7f000001)
|
||||
(define internet-address/broadcast #xffffffff) ; must be masked
|
||||
|
||||
;;; errors from host lookup -- <netdb.h>
|
||||
(define herror/host-not-found 1) ;Authoritative Answer Host not found
|
||||
(define herror/try-again 2) ;Non-Authoritive Host not found, or SERVERFAIL
|
||||
(define herror/no-recovery 3) ;Non recoverable errors, FORMERR, REFUSED, NOTIMP
|
||||
(define herror/no-data 4) ;Valid name, no data record of requested type
|
||||
(define herror/no-address herror/no-data) ;no address, look for MX record
|
||||
|
||||
;;; flags for send/recv -- <sys/socket.h>
|
||||
(define message/out-of-band 1) ; process out-of-band data
|
||||
(define message/peek 2) ; peek at incoming message
|
||||
(define message/dont-route 4) ; send without using routing tables
|
||||
(define message/eor 8) ; data completes record
|
||||
(define message/trunc #x10) ; data discarded before delivery
|
||||
(define message/ctrunc #x20) ; control data lost before delivery
|
||||
(define message/wait-all #x40) ; wait for full request or error
|
||||
(define message/dont-wait #x80) ; this message should be nonblocking
|
||||
|
||||
;;; protocol level for socket options -- <sys/socket.h>
|
||||
(define level/socket #xffff) ; SOL_SOCKET: options for socket level
|
||||
|
||||
;;; socket options -- <sys/socket.h>
|
||||
(define socket/debug #x0001) ; turn on debugging info recording
|
||||
(define socket/accept-connect #x0002) ; socket has had listen()
|
||||
(define socket/reuse-address #x0004) ; allow local address reuse
|
||||
(define socket/keep-alive #x0008) ; keep connections alive
|
||||
(define socket/dont-route #x0010) ; just use interface addresses
|
||||
(define socket/broadcast #x0020) ; permit sending of broadcast msgs
|
||||
(define socket/use-loop-back #x0040) ; bypass hardware when possible
|
||||
(define socket/linger #x0080) ; linger on close if data present
|
||||
(define socket/oob-inline #x0100) ; leave received OOB data in line
|
||||
(define socket/reuse-port #x0200) ; allow local address & port reuse
|
||||
;(define socket/use-privileged #x4000) ; allocate from privileged port area
|
||||
;(define socket/cant-signal #x8000) ; prevent SIGPIPE on SS_CANTSENDMORE
|
||||
(define socket/send-buffer #x1001) ; send buffer size
|
||||
(define socket/receive-buffer #x1002) ; receive buffer size
|
||||
(define socket/send-low-water #x1003) ; send low-water mark
|
||||
(define socket/receive-low-water #x1004) ; receive low-water mark
|
||||
(define socket/send-timeout #x1005) ; send timeout
|
||||
(define socket/receive-timeout #x1006) ; receive timeout
|
||||
(define socket/error #x1007) ; get error status and clear
|
||||
(define socket/type #x1008) ; get socket type
|
||||
|
||||
;;; ip options -- <netinet/in.h>
|
||||
(define ip/options 1 ) ; buf/ip/opts; set/get ip options
|
||||
(define ip/header-included 2 ) ; int; header is included with data
|
||||
(define ip/type-of-service 3 ) ; int; ip type of service and preced.
|
||||
(define ip/time-to-live 4 ) ; int; ip time to live
|
||||
(define ip/receive-options 5 ) ; bool; receive all ip opts w/dgram
|
||||
(define ip/response-options 6 ) ; bool; receive ip opts for response
|
||||
(define ip/destination-address 7 ) ; bool; receive ip dst addr w/dgram
|
||||
(define ip/ret-options 8 ) ; ip_opts; set/get ip options
|
||||
(define ip/multicast-if 9 ) ; u_char; set/get ip multicast i/f
|
||||
(define ip/multicast-ttl 10 ) ; u_char; set/get ip multicast ttl
|
||||
(define ip/multicast-loop 11 ) ; u_char; set/get ip multicast loopback
|
||||
(define ip/add-membership 12 ) ; ip_mreq; add an ip group membership
|
||||
(define ip/drop-membership 13 ) ; ip_mreq; drop an ip group membership
|
||||
|
||||
;;; tcp options -- <netinet/tcp.h>
|
||||
(define tcp/no-delay #x01) ; don't delay send to coalesce packets
|
||||
(define tcp/max-segment #x02) ; set maximum segment size
|
||||
|
||||
;;; -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
|
||||
;;; OPTION SETS FOR SOCKET-OPTION AND SET-SOCKET-OPTION
|
||||
|
||||
;;; Boolean Options
|
||||
(define options/boolean
|
||||
(list socket/debug
|
||||
socket/accept-connect
|
||||
socket/reuse-address
|
||||
socket/keep-alive
|
||||
socket/dont-route
|
||||
socket/broadcast
|
||||
socket/use-loop-back
|
||||
socket/oob-inline
|
||||
socket/reuse-port ;BSD4.4-Lite
|
||||
; socket/use-privileged
|
||||
; socket/cant-signal
|
||||
tcp/no-delay))
|
||||
|
||||
;;; Integer Options
|
||||
(define options/value
|
||||
(list socket/send-buffer
|
||||
socket/receive-buffer
|
||||
socket/send-low-water
|
||||
socket/receive-low-water
|
||||
socket/error
|
||||
socket/type
|
||||
ip/time-to-live
|
||||
tcp/max-segment))
|
||||
|
||||
;;; #f or Positive Integer
|
||||
(define options/linger
|
||||
(list socket/linger))
|
||||
|
||||
;;; Real Number
|
||||
(define options/timeout
|
||||
(list socket/send-timeout
|
||||
socket/receive-timeout))
|
|
@ -1,137 +0,0 @@
|
|||
;;; Interfaces and packages for the BSD4.4-Lite specific parts of scsh.
|
||||
;;; Copyright (c) 1994 by Olin Shivers.
|
||||
;;; Copyright (c) 1994 by Brian D. Carlstrom.
|
||||
|
||||
(define-interface bsd44lite-fdflags-extras-interface
|
||||
(export open/shared-lock
|
||||
open/exclusive-lock
|
||||
open/async
|
||||
open/fsync
|
||||
fcntl/get-owner
|
||||
fcntl/set-owner))
|
||||
|
||||
(define-interface bsd44lite-errno-extras-interface
|
||||
(export errno/notblk
|
||||
errno/txtbsy
|
||||
errno/wouldblock
|
||||
errno/inprogress
|
||||
errno/already
|
||||
errno/notsock
|
||||
errno/destaddrreq
|
||||
errno/msgsize
|
||||
errno/prototype
|
||||
errno/noprotoopt
|
||||
errno/protonosupport
|
||||
errno/socktnosupport
|
||||
errno/opnotsupp
|
||||
errno/pfnosupport
|
||||
errno/afnosupport
|
||||
errno/addrinuse
|
||||
errno/addrnotavail
|
||||
errno/netdown
|
||||
errno/netunreach
|
||||
errno/netreset
|
||||
errno/connaborted
|
||||
errno/connreset
|
||||
errno/nobufs
|
||||
errno/isconn
|
||||
errno/notconn
|
||||
errno/shutdown
|
||||
errno/toomanyrefs
|
||||
errno/timedout
|
||||
errno/connrefused
|
||||
errno/loop
|
||||
errno/hostdown
|
||||
errno/hostunreach
|
||||
errno/proclim
|
||||
errno/users
|
||||
errno/dquot
|
||||
errno/stale
|
||||
errno/remote
|
||||
errno/badrpc
|
||||
errno/rpcmismatch
|
||||
errno/progunavail
|
||||
errno/progmismatch
|
||||
errno/ftype
|
||||
errno/auth
|
||||
errno/needauth
|
||||
errno/last))
|
||||
|
||||
(define-interface bsd44lite-signals-extras-interface
|
||||
(export signal/trap
|
||||
signal/emt
|
||||
signal/bus
|
||||
signal/sys
|
||||
signal/urg
|
||||
signal/cld
|
||||
signal/io
|
||||
signal/xcpu
|
||||
signal/xfsz
|
||||
signal/vtalrm
|
||||
signal/prof
|
||||
signal/winch
|
||||
signal/info))
|
||||
|
||||
(define-interface bsd44lite-network-extras-interface
|
||||
(export socket/debug
|
||||
socket/accept-connect
|
||||
socket/reuse-address
|
||||
socket/keep-alive
|
||||
socket/dont-route
|
||||
socket/broadcast
|
||||
socket/use-loop-back
|
||||
socket/linger
|
||||
socket/oob-inline
|
||||
socket/reuse-port ;bsd44lite
|
||||
; socket/use-privileged
|
||||
; socket/cant-signal
|
||||
socket/send-buffer
|
||||
socket/receive-buffer
|
||||
socket/send-low-water
|
||||
socket/receive-low-water
|
||||
socket/send-timeout
|
||||
socket/receive-timeout
|
||||
socket/error
|
||||
socket/type
|
||||
;;; all ip/* but ip/options and ip/time-to-live bsd44lite only
|
||||
ip/options
|
||||
ip/header-included
|
||||
ip/type-of-service
|
||||
ip/time-to-live
|
||||
ip/receive-options
|
||||
ip/response-options
|
||||
ip/destination-address
|
||||
ip/ret-options
|
||||
ip/multicast-if
|
||||
ip/multicast-ttl
|
||||
ip/multicast-loop
|
||||
ip/add-membership
|
||||
ip/drop-membership
|
||||
tcp/no-delay
|
||||
tcp/max-segment
|
||||
message/eor
|
||||
message/trunc
|
||||
message/ctrunc
|
||||
message/wait-all
|
||||
message/dont-wait))
|
||||
|
||||
(define-interface bsd44lite-extras-interface
|
||||
(compound-interface bsd44lite-errno-extras-interface
|
||||
bsd44lite-fdflags-extras-interface
|
||||
bsd44lite-network-extras-interface
|
||||
bsd44lite-signals-extras-interface))
|
||||
|
||||
(define-interface bsd44lite-defs-interface
|
||||
(compound-interface bsd44lite-extras-interface
|
||||
sockets-network-interface
|
||||
posix-errno-interface
|
||||
posix-fdflags-interface
|
||||
posix-signals-interface
|
||||
signals-internals-interface))
|
||||
|
||||
(define-structure bsd44lite-defs bsd44lite-defs-interface
|
||||
(open scheme bitwise defenum-package)
|
||||
(files fdflags errno signals netconst))
|
||||
|
||||
(define-interface os-extras-interface bsd44lite-extras-interface)
|
||||
(define os-dependent bsd44lite-defs)
|
|
@ -1,72 +0,0 @@
|
|||
;;; Signal constant definitions for BSD4.4-Lite
|
||||
;;; Copyright (c) 1994 by Olin Shivers.
|
||||
;;; Copyright (c) 1994 by Brian D. Carlstrom.
|
||||
|
||||
(define-enum-constants signal
|
||||
;; POSIX
|
||||
(hup 1) ; hangup
|
||||
(int 2) ; interrupt
|
||||
(quit 3) ; quit
|
||||
(ill 4) ; illegal instruction (not reset when caught)
|
||||
|
||||
;; BSD4.4-Lite
|
||||
(trap 5) ; trace trap (not reset when caught)
|
||||
|
||||
;; POSIX
|
||||
(iot 6) ; IOT instruction
|
||||
(abrt 6) ; used by abort, replace SIGIOT in the future
|
||||
|
||||
;; BSD4.4-Lite
|
||||
(emt 7) ; EMT instruction
|
||||
|
||||
;; POSIX
|
||||
(fpe 8) ; floating point exception
|
||||
(kill 9) ; kill (cannot be caught or ignored)
|
||||
|
||||
;; BSD4.4-Lite
|
||||
(bus 10) ; bus error
|
||||
|
||||
;; POSIX
|
||||
(segv 11) ; segmentation violation
|
||||
|
||||
;; BSD4.4-Lite
|
||||
(sys 12) ; bad argument to system call
|
||||
|
||||
;; POSIX
|
||||
(pipe 13) ; write on a pipe with no one to read it
|
||||
(alrm 14) ; alarm clock
|
||||
(term 15) ; software termination signal from kill
|
||||
|
||||
;; BSD4.4-Lite
|
||||
(urg 16) ; urgent condition on IO channel
|
||||
|
||||
;; POSIX
|
||||
(stop 17) ; sendable stop signal not from tty
|
||||
(tstp 18) ; stop signal from tty
|
||||
(cont 19) ; continue a stopped process
|
||||
(chld 20) ; to parent on child stop or exit
|
||||
|
||||
;; BSD4.4-Lite
|
||||
(cld 20) ; System V name for SIGCHLD
|
||||
|
||||
;; POSIX
|
||||
(ttin 21) ; to readers pgrp upon background tty read
|
||||
(ttou 22) ; like TTIN for output if (tp->t_local<OSTOP)
|
||||
|
||||
;; BSD4.4-Lite
|
||||
(io 23) ; input/output possible signal
|
||||
(xcpu 24) ; exceeded CPU time limit
|
||||
(xfsz 25) ; exceeded file size limit
|
||||
(vtalrm 26) ; virtual time alarm
|
||||
(prof 27) ; profiling time alarm
|
||||
(winch 28) ; window changed
|
||||
(info 29) ; information request
|
||||
|
||||
;; User defined
|
||||
(usr1 30) ; user defined signal 1
|
||||
(usr2 31) ; user defined signal 2
|
||||
)
|
||||
|
||||
(define signals-ignored-by-default
|
||||
(list signal/chld signal/cont ; These are Posix.
|
||||
signal/info signal/io signal/urg signal/winch)) ; These are BSD.
|
|
@ -1,129 +0,0 @@
|
|||
/* Need to turn off synchronous error signals (SIGPIPE, SIGSYS). */
|
||||
|
||||
#include "../scsh_aux.h"
|
||||
|
||||
/* Make sure our exports match up w/the implementation: */
|
||||
#include "../signals1.h"
|
||||
|
||||
/* This table converts Unix signal numbers to S48/scsh interrupt numbers.
|
||||
** If the signal doesn't have an interrupt number, the entry is -1.
|
||||
** (Only asynchronous signals have interrupt numbers.)
|
||||
**
|
||||
** Note that we bake into this table the integer values of the signals --
|
||||
** i.e., we assume that SIGHUP=1, SIGALRM=15, etc. So this definition is
|
||||
** very system-dependent.
|
||||
*/
|
||||
const int sig2int[] = {
|
||||
-1, /* 0 is not a signal */
|
||||
scshint_hup, /* SIGHUP */
|
||||
scshint_keyboard, /* SIGINT */
|
||||
scshint_quit, /* SIGQUIT */
|
||||
-1, /* SIGILL */
|
||||
-1, /* SIGTRAP */
|
||||
-1, /* SIGABRT & SIGIOT */
|
||||
-1, /* SIGEMT */
|
||||
-1, /* SIGFPE */
|
||||
-1, /* SIGKILL */
|
||||
-1, /* SIGBUS */
|
||||
-1, /* SIGSEGV */
|
||||
-1, /* SIGSYS */
|
||||
-1, /* SIGPIPE */
|
||||
scshint_alarm, /* SIGALRM */
|
||||
scshint_term, /* SIGTERM */
|
||||
scshint_urg, /* SIGURG */
|
||||
-1, /* SIGSTOP */
|
||||
scshint_tstp, /* SIGTSTP */
|
||||
scshint_cont, /* SIGCONT */
|
||||
scshint_chld, /* SIGCHLD */
|
||||
-1, /* scshint_ttyin, /* SIGTTIN */
|
||||
-1, /* scshint_ttou, /* SIGTTOU */
|
||||
scshint_io, /* SIGIO */
|
||||
scshint_xcpu, /* SIGXCPU */
|
||||
scshint_xfsz, /* SIGXFSZ */
|
||||
scshint_vtalrm, /* SIGVTALRM */
|
||||
scshint_prof, /* SIGPROF */
|
||||
scshint_winch, /* SIGWINCH */
|
||||
scshint_info, /* SIGINFO */
|
||||
scshint_usr1, /* SIGUSR1 */
|
||||
scshint_usr2 /* SIGUSR2 */
|
||||
};
|
||||
|
||||
const int max_sig = 31; /* SIGUSR2 */
|
||||
|
||||
/*
|
||||
scshint_alarm
|
||||
scshint_keyboard
|
||||
scshint_memory_shortage
|
||||
scshint_chld
|
||||
scshint_cont
|
||||
scshint_hup
|
||||
scshint_quit
|
||||
scshint_term
|
||||
scshint_tstp
|
||||
scshint_usr1
|
||||
scshint_usr2
|
||||
scshint_info
|
||||
scshint_io
|
||||
scshint_poll
|
||||
scshint_prof
|
||||
scshint_pwr
|
||||
scshint_urg
|
||||
scshint_vtalrm
|
||||
scshint_winch
|
||||
scshint_xcpu
|
||||
scshint_xfsz
|
||||
|
||||
SIGALRM
|
||||
SIGCHLD
|
||||
SIGCONT
|
||||
SIGHUP
|
||||
SIGINFO
|
||||
SIGINT
|
||||
SIGIO
|
||||
SIGPROF
|
||||
SIGQUIT
|
||||
SIGTERM
|
||||
SIGTSTP
|
||||
SIGTTIN
|
||||
SIGTTOU
|
||||
SIGURG
|
||||
SIGUSR1
|
||||
SIGUSR2
|
||||
SIGVTALRM
|
||||
SIGWINCH
|
||||
SIGXCPU
|
||||
SIGXFSZ
|
||||
|
||||
SIGHUP 1
|
||||
SIGINT 2
|
||||
SIGQUIT 3
|
||||
SIGILL 4
|
||||
SIGTRAP 5
|
||||
SIGABRT 6
|
||||
SIGIOT SIGABRT
|
||||
SIGEMT 7
|
||||
SIGFPE 8
|
||||
SIGKILL 9
|
||||
SIGBUS 10
|
||||
SIGSEGV 11
|
||||
SIGSYS 12
|
||||
SIGPIPE 13
|
||||
SIGALRM 14
|
||||
SIGTERM 15
|
||||
SIGURG 16
|
||||
SIGSTOP 17
|
||||
SIGTSTP 18
|
||||
SIGCONT 19
|
||||
SIGCHLD 20
|
||||
SIGTTIN 21
|
||||
SIGTTOU 22
|
||||
SIGIO 23
|
||||
SIGXCPU 24
|
||||
SIGXFSZ 25
|
||||
SIGVTALRM 26
|
||||
SIGPROF 27
|
||||
SIGWINCH 28
|
||||
SIGINFO 29
|
||||
SIGUSR1 30
|
||||
SIGUSR2 31
|
||||
*/
|
|
@ -1,10 +0,0 @@
|
|||
/* Convert between a lo24/hi integer-pair bitset and a sigset_t value.
|
||||
** These macros are OS-dependent, and must be defined per-OS.
|
||||
*/
|
||||
|
||||
#define make_sigset(maskp, hi, lo) (*maskp=((hi)<<24)|(lo))
|
||||
|
||||
/* Not a procedure: */
|
||||
#define split_sigset(mask, hip, lop) \
|
||||
((*(hip)=(mask>>24)&0xff), \
|
||||
(*(lop)=(mask&0xffffff)))
|
|
@ -1,83 +0,0 @@
|
|||
/* Copyright (c) 1994 by Olin Shivers.
|
||||
** Copyright (c) 1994-1995 by Brian D. Carlstrom.
|
||||
**
|
||||
** This file implements the char-ready? procedure for file descriptors
|
||||
** and Scsh's fdports. It is not Posix, so it must be implemented for
|
||||
** each OS to which scsh is ported.
|
||||
**
|
||||
** This version assumes two things:
|
||||
** - the existence of select to tell if there is data
|
||||
** available for the file descriptor.
|
||||
** - the existence of the _cnt field in the stdio FILE struct, telling
|
||||
** if there is any buffered input in the struct.
|
||||
**
|
||||
** Most Unixes have these things, so this file should work for them.
|
||||
** However, Your Mileage May Vary.
|
||||
**
|
||||
** You could also replace the select() with a iotctl(FIONREAD) call, if you
|
||||
** had one but not the other.
|
||||
** -Olin&Brian
|
||||
*/
|
||||
|
||||
#include <sys/types.h>
|
||||
#include <sys/time.h>
|
||||
#include <stdio.h>
|
||||
#include <unistd.h>
|
||||
#include "libcig.h"
|
||||
#include <errno.h>
|
||||
|
||||
#include "stdio_dep.h" /* Make sure the .h interface agrees with the code. */
|
||||
|
||||
/* These two procs return #t if data ready, #f data not ready,
|
||||
** and errno if error.
|
||||
*/
|
||||
|
||||
s48_value char_ready_fdes(int fd)
|
||||
{
|
||||
fd_set readfds;
|
||||
struct timeval timeout;
|
||||
int result;
|
||||
|
||||
FD_ZERO(&readfds);
|
||||
FD_SET(fd,&readfds);
|
||||
|
||||
timeout.tv_sec=0;
|
||||
timeout.tv_usec=0;
|
||||
|
||||
result=select(fd+1, &readfds, NULL, NULL, &timeout);
|
||||
|
||||
if(result == -1 )
|
||||
return(s48_enter_fixnum(errno));
|
||||
if(result)
|
||||
return(S48_TRUE);
|
||||
return(S48_FALSE);
|
||||
}
|
||||
|
||||
s48_value stream_char_readyp(FILE *f)
|
||||
{
|
||||
int fd = fileno(f);
|
||||
return f->_r > 0 ? S48_TRUE : char_ready_fdes(fd);
|
||||
}
|
||||
|
||||
void setfileno(FILE *fs, int fd)
|
||||
{
|
||||
fileno(fs) = fd;
|
||||
}
|
||||
|
||||
int fbufcount(FILE* fs)
|
||||
{
|
||||
return(fs->_r);
|
||||
}
|
||||
|
||||
/* Returns true if there is no buffered data in stream FS
|
||||
** (or there is no buffering, period.)
|
||||
*/
|
||||
|
||||
int ibuf_empty(FILE *fs) {return fs->_r <= 0;}
|
||||
|
||||
|
||||
/* Returns true if the buffer in stream FS is full
|
||||
** (or there is no buffering, period).
|
||||
*/
|
||||
|
||||
int obuf_full(FILE *fs) {return fs->_w <= 0;}
|
|
@ -1,13 +0,0 @@
|
|||
/* Exports from stdio_dep.h. */
|
||||
|
||||
s48_value char_ready_fdes(int fd);
|
||||
|
||||
s48_value stream_char_readyp(FILE *f);
|
||||
|
||||
void setfileno(FILE *fs, int fd);
|
||||
|
||||
int fbufcount(FILE* fs);
|
||||
|
||||
int ibuf_empty(FILE *fs);
|
||||
|
||||
int obuf_full(FILE *fs);
|
|
@ -1,8 +0,0 @@
|
|||
;;; OS-dependent time stuff
|
||||
;;; Copyright (c) 1995 by Olin Shivers.
|
||||
|
||||
;;; This suffices for BSD systems with the gettimeofday()
|
||||
;;; microsecond-resolution timer.
|
||||
|
||||
(define (ticks/sec) 1000000) ; usec
|
||||
|
|
@ -1,38 +0,0 @@
|
|||
/* OS-dependent support for fine-grained timer.
|
||||
** Copyright (c) 1995 by Olin Shivers.
|
||||
**
|
||||
** We return the current time in seconds and sub-second "ticks" where the
|
||||
** number of ticks/second is OS dependent (and is defined in time_dep.scm).
|
||||
** This definition works on any BSD Unix with the gettimeofday()
|
||||
** microsecond-resolution timer.
|
||||
*/
|
||||
|
||||
#include <errno.h>
|
||||
#include <sys/time.h>
|
||||
#include "scheme48.h"
|
||||
#include "../time1.h"
|
||||
|
||||
/* Sux because it's dependent on 32-bitness. */
|
||||
#define hi8(i) (((i)>>24) & 0xff)
|
||||
#define lo24(i) ((i) & 0xffffff)
|
||||
#define comp8_24(hi, lo) (((hi)<<24) + (lo))
|
||||
|
||||
s48_value time_plus_ticks(int *hi_secs, int *lo_secs,
|
||||
int *hi_ticks, int *lo_ticks)
|
||||
{
|
||||
struct timeval t;
|
||||
struct timezone tz;
|
||||
|
||||
if( gettimeofday(&t, &tz) ) return s48_enter_fixnum(errno);
|
||||
|
||||
{ long int secs = t.tv_sec;
|
||||
long int ticks = t.tv_usec;
|
||||
|
||||
*hi_secs = hi8(secs);
|
||||
*lo_secs = lo24(secs);
|
||||
*hi_ticks = hi8(ticks);
|
||||
*lo_ticks = lo24(ticks);
|
||||
}
|
||||
|
||||
return S48_FALSE;
|
||||
}
|
|
@ -1,220 +0,0 @@
|
|||
;;; Constant definitions for tty control code (POSIX termios).
|
||||
;;; Copyright (c) 1995 by Brian Carlstrom.
|
||||
;;; Largely rehacked by Olin.
|
||||
;;; Constants from NetBSD header files substituted by Bill Sommerfeld
|
||||
|
||||
;;; These constants are for NetBSD 1.1 pre-alpha
|
||||
;;; and are taken from /usr/include/sys/termios.h. These should
|
||||
;;; work with any BSD4.4-Lite derived system (such as FreeBSD).
|
||||
|
||||
;;; Non-standard (POSIX, SVR4, 4.3+BSD) things:
|
||||
;;; - Some of the baud rates.
|
||||
|
||||
|
||||
;;; Special Control Characters
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
;;; Indices into the c_cc[] character array.
|
||||
|
||||
;;; Name Subscript Enabled by
|
||||
;;; ---- --------- ----------
|
||||
;;; POSIX
|
||||
(define ttychar/eof 0) ; ^d icanon
|
||||
(define ttychar/eol 1) ; icanon
|
||||
|
||||
(define ttychar/delete-char 3) ; ^? icanon
|
||||
|
||||
(define ttychar/delete-line 5) ; ^u icanon
|
||||
|
||||
(define ttychar/interrupt 8) ; ^c isig
|
||||
(define ttychar/quit 9) ; ^\ isig
|
||||
(define ttychar/suspend 10) ; ^z isig
|
||||
|
||||
(define ttychar/start 12) ; ^q ixon, ixoff
|
||||
(define ttychar/stop 13) ; ^s ixon, ixoff
|
||||
(define ttychar/min 16) ; !icanon ; Not exported
|
||||
(define ttychar/time 17) ; !icanon ; Not exported
|
||||
|
||||
;;; SVR4 & 4.3+BSD
|
||||
(define ttychar/eol2 2) ; icanon
|
||||
(define ttychar/delete-word 4) ; ^w icanon
|
||||
(define ttychar/reprint 6) ; ^r icanon
|
||||
(define ttychar/delayed-suspend 11) ; ^y isig
|
||||
(define ttychar/literal-next 14) ; ^v iexten
|
||||
(define ttychar/discard 15) ; ^o iexten
|
||||
|
||||
;;; 4.3+BSD
|
||||
(define ttychar/status 18) ; ^t icanon
|
||||
|
||||
;;; Length of control-char string -- *Not Exported*
|
||||
(define num-ttychars 20)
|
||||
|
||||
;;; Magic "disable feature" tty character
|
||||
(define disable-tty-char (ascii->char #xff)) ; _POSIX_VDISABLE
|
||||
|
||||
;;; Flags controllling input processing
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
|
||||
;;; POSIX
|
||||
(define ttyin/ignore-break #x00001) ; ignbrk
|
||||
(define ttyin/interrupt-on-break #x00002) ; brkint
|
||||
(define ttyin/ignore-bad-parity-chars #x00004) ; ignpar
|
||||
(define ttyin/mark-parity-errors #x00008) ; parmrk
|
||||
(define ttyin/check-parity #x00010) ; inpck
|
||||
(define ttyin/7bits #x00020) ; istrip
|
||||
(define ttyin/nl->cr #x00040) ; inlcr
|
||||
(define ttyin/ignore-cr #x00080) ; igncr
|
||||
(define ttyin/cr->nl #x00100) ; icrnl
|
||||
(define ttyin/output-flow-ctl #x00200) ; ixon
|
||||
(define ttyin/input-flow-ctl #x00400) ; ixoff
|
||||
|
||||
;;; SVR4 & 4.3+BSD
|
||||
(define ttyin/xon-any #x00800) ; ixany: Any char restarts after stop
|
||||
(define ttyin/beep-on-overflow #x02000) ; imaxbel: queue full => ring bell
|
||||
|
||||
;;; SVR4
|
||||
(define ttyin/lowercase #f) ; iuclc: Map upper-case to lower case
|
||||
|
||||
|
||||
;;; Flags controlling output processing
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
|
||||
;;; POSIX
|
||||
(define ttyout/enable #x000001) ; opost: enable output processing
|
||||
|
||||
;;; SVR4 & 4.3+BSD
|
||||
(define ttyout/nl->crnl #x000002) ; onlcr: map nl to cr-nl
|
||||
|
||||
;;; 4.3+BSD
|
||||
(define ttyout/discard-eot #x000008) ; onoeot
|
||||
(define ttyout/expand-tabs #x000004) ; oxtabs (NOT xtabs)
|
||||
|
||||
;;; SVR4
|
||||
(define ttyout/cr->nl #f) ; ocrnl
|
||||
(define ttyout/fill-w/del #f) ; ofdel
|
||||
(define ttyout/delay-w/fill-char #f) ; ofill
|
||||
(define ttyout/uppercase #f) ; olcuc
|
||||
(define ttyout/nl-does-cr #f) ; onlret
|
||||
(define ttyout/no-col0-cr #f) ; onocr
|
||||
|
||||
;;; Newline delay
|
||||
(define ttyout/nl-delay #f) ; mask (nldly)
|
||||
(define ttyout/nl-delay0 #f)
|
||||
(define ttyout/nl-delay1 #f) ; tty 37
|
||||
|
||||
;;; Horizontal-tab delay
|
||||
(define ttyout/tab-delay #f) ; mask (tabdly)
|
||||
(define ttyout/tab-delay0 #f)
|
||||
(define ttyout/tab-delay1 #f) ; tty 37
|
||||
(define ttyout/tab-delay2 #f)
|
||||
(define ttyout/tab-delayx #f) ; Expand tabs (xtabs, tab3)
|
||||
|
||||
;;; Carriage-return delay
|
||||
(define ttyout/cr-delay #f) ; mask (crdly)
|
||||
(define ttyout/cr-delay0 #f)
|
||||
(define ttyout/cr-delay1 #f) ; tn 300
|
||||
(define ttyout/cr-delay2 #f) ; tty 37
|
||||
(define ttyout/cr-delay3 #f) ; concept 100
|
||||
|
||||
;;; Vertical tab delay
|
||||
(define ttyout/vtab-delay #f) ; mask (vtdly)
|
||||
(define ttyout/vtab-delay0 #f)
|
||||
(define ttyout/vtab-delay1 #f) ; tty 37
|
||||
|
||||
;;; Backspace delay
|
||||
(define ttyout/bs-delay #f) ; mask (bsdly)
|
||||
(define ttyout/bs-delay0 #f)
|
||||
(define ttyout/bs-delay1 #f)
|
||||
|
||||
;;; Form-feed delay
|
||||
(define ttyout/ff-delay #f) ; mask (ffdly)
|
||||
(define ttyout/ff-delay0 #f)
|
||||
(define ttyout/ff-delay1 #f)
|
||||
|
||||
(define ttyout/all-delay #f)
|
||||
|
||||
;;; Control flags - hacking the serial-line.
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
|
||||
;;; POSIX
|
||||
(define ttyc/char-size #x00300) ; csize: character size mask
|
||||
(define ttyc/char-size5 #x00000) ; 5 bits (cs5)
|
||||
(define ttyc/char-size6 #x00100) ; 6 bits (cs6)
|
||||
(define ttyc/char-size7 #x00200) ; 7 bits (cs7)
|
||||
(define ttyc/char-size8 #x00300) ; 8 bits (cs8)
|
||||
(define ttyc/2-stop-bits #x00400) ; cstopb: Send 2 stop bits.
|
||||
(define ttyc/enable-read #x00800) ; cread: Enable receiver.
|
||||
(define ttyc/enable-parity #x01000) ; parenb
|
||||
(define ttyc/odd-parity #x02000) ; parodd
|
||||
(define ttyc/hup-on-close #x04000) ; hupcl: Hang up on last close.
|
||||
(define ttyc/no-modem-sync #x08000) ; clocal: Ignore modem lines.
|
||||
|
||||
;;; 4.3+BSD
|
||||
(define ttyc/ignore-flags #x00001) ; cignore: ignore control flags
|
||||
(define ttyc/CTS-output-flow-ctl #x00010000) ; ccts_oflow: CTS flow control of output
|
||||
(define ttyc/RTS-input-flow-ctl #x00010000) ; crts_iflow: RTS flow control of input
|
||||
(define ttyc/carrier-flow-ctl #x00100000) ; mdmbuf
|
||||
|
||||
;;; Local flags -- hacking the tty driver / user interface.
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
|
||||
;;; POSIX
|
||||
(define ttyl/visual-delete #x00000002) ; echoe: Visually erase chars
|
||||
(define ttyl/echo-delete-line #x00000004) ; echok: Echo nl after line kill
|
||||
(define ttyl/echo #x00000008) ; echo: Enable echoing
|
||||
(define ttyl/echo-nl #x00000010) ; echonl: Echo nl even if echo is off
|
||||
(define ttyl/canonical #x00000100) ; icanon: Canonicalize input
|
||||
(define ttyl/enable-signals #x00000080) ; isig: Enable ^c, ^z signalling
|
||||
(define ttyl/extended #x00000400) ; iexten: Enable extensions
|
||||
(define ttyl/ttou-signal #x00400000) ; tostop: SIGTTOU on background output
|
||||
(define ttyl/no-flush-on-interrupt #x80000000) ; noflsh
|
||||
|
||||
;;; SVR4 & 4.3+BSD
|
||||
(define ttyl/visual-delete-line #x00000001); echoke: visually erase a line-kill
|
||||
(define ttyl/hardcopy-delete #x00000020); echoprt: visual erase for hardcopy
|
||||
(define ttyl/echo-ctl #x00000040); echoctl: echo control chars as "^X"
|
||||
(define ttyl/flush-output #x00800000); flusho: output is being flushed
|
||||
(define ttyl/reprint-unread-chars #x20000000); pendin: retype pending input
|
||||
|
||||
;;; 4.3+BSD
|
||||
(define ttyl/alt-delete-word #x00000200) ; altwerase
|
||||
(define ttyl/no-kernel-status #x02000000) ; nokerninfo: no kernel status on ^T
|
||||
|
||||
;;; SVR4
|
||||
(define ttyl/case-map #f) ; xcase: canonical upper/lower presentation
|
||||
|
||||
;;; Vector of (speed . code) pairs.
|
||||
|
||||
(define baud-rates '#((0 . 0) (50 . 50) (75 . 75)
|
||||
(110 . 110) (134 . 134) (150 . 150)
|
||||
(200 . 200) (300 . 300) (600 . 600)
|
||||
(1200 . 1200) (1800 . 1800) (2400 . 2400)
|
||||
(4800 . 4800) (7200 . 7200) (9600 . 9600)
|
||||
(14400 . 14400) (19200 . 19200) (28800 . 28800)
|
||||
(38400 . 38400) (19200 . exta) (38400 . extb)
|
||||
(57600 . 57600) (76800 . 76800) (115200 . 115200)
|
||||
(230400 . 230400)))
|
||||
|
||||
;;; tcflush() constants
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
|
||||
(define %flush-tty/input 1) ; TCIFLUSH
|
||||
(define %flush-tty/output 2) ; TCOFLUSH
|
||||
(define %flush-tty/both 3) ; TCIOFLUSH
|
||||
|
||||
|
||||
;;; tcflow() constants
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
|
||||
(define %tcflow/start-out 2) ; TCOON
|
||||
(define %tcflow/stop-out 1) ; TCOOFF
|
||||
(define %tcflow/start-in 4) ; TCION
|
||||
(define %tcflow/stop-in 3) ; TCIOFF
|
||||
|
||||
|
||||
;;; tcsetattr() constants
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
|
||||
(define %set-tty-info/now 0) ; TCSANOW Make change immediately.
|
||||
(define %set-tty-info/drain 1) ; TCSADRAIN Drain output, then change.
|
||||
(define %set-tty-info/flush 2) ; TCSAFLUSH Drain output, flush input.
|
||||
(define %set-tty-info/soft #x10) ; flag: don't alter h.w. state
|
|
@ -1,40 +0,0 @@
|
|||
;;; Scsh routines for analysing exit codes returned by WAIT.
|
||||
;;; Copyright (c) 1994 by Olin Shivers.
|
||||
;;;
|
||||
;;; To port these to a new OS, consult /usr/include/sys/wait.h,
|
||||
;;; and check the WIFEXITED, WEXITSTATUS, WIFSTOPPED, WSTOPSIG,
|
||||
;;; WIFSIGNALED, and WTERMSIG macros for the magic fields they use.
|
||||
;;; These definitions are for BSD4.4-Lite.
|
||||
;;;
|
||||
;;; I could have done a portable version by making C calls for this,
|
||||
;;; but it's such overkill.
|
||||
|
||||
|
||||
;;; If process terminated normally, return the exit code, otw #f.
|
||||
|
||||
(define (status:exit-val status)
|
||||
(and (zero? (bitwise-and #x7F status))
|
||||
(arithmetic-shift status -8)))
|
||||
|
||||
|
||||
|
||||
;;; If the process was suspended, return the suspending signal, otw #f.
|
||||
|
||||
(define (status:stop-sig status)
|
||||
(and (= #x7F (bitwise-and status #x7F))
|
||||
(arithmetic-shift status -8)))
|
||||
|
||||
|
||||
;;; If the process terminated abnormally,
|
||||
;;; return the terminating signal, otw #f.
|
||||
|
||||
(define (status:term-sig status)
|
||||
(let ((termsig (bitwise-and status #x7F)))
|
||||
(and (not (zero? termsig)) ; Didn't exit.
|
||||
(not (= #x7F)) ; Not suspended.
|
||||
termsig)))
|
||||
|
||||
|
||||
;;; Flags.
|
||||
(define wait/poll 1) ; Don't hang if nothing to wait for.
|
||||
(define wait/stopped-children 2) ; Report on suspended subprocs, too.
|
Loading…
Reference in New Issue