Added hpux (untested)
This commit is contained in:
mainzelm
parent
59a757fccf
commit
d7d0c6f3b8
11
configure.in
11
configure.in
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@ -214,6 +214,17 @@ AC_INIT(c/scheme48vm.c)
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AR=${AR-"ar cq"}
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AR=${AR-"ar cq"}
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TMPDIR=${TMPDIR-"/usr/tmp"}
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TMPDIR=${TMPDIR-"/usr/tmp"}
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case "$host" in
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case "$host" in
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## HP 9000 series 700 and 800, running HP/UX
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hppa*-hp-hpux* )
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dir=hpux
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LDFLAGS="-Wl,-E"
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if test ${CC} = cc; then
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CFLAGS="-Ae -O +Obb1800"
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AC_DEFINE(_HPUX_SOURCE)
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AC_DEFINE(hpux)
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fi
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;;
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## IBM AIX
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## IBM AIX
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rs6000-ibm-aix*|powerpc-ibm-aix* )
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rs6000-ibm-aix*|powerpc-ibm-aix* )
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dir=aix
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dir=aix
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@ -0,0 +1,12 @@
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;;; Flags that control buffering policy.
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;;; Copyright (c) 1993 by Olin Shivers. See file COPYING.
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;;; These are for the SET-PORT-BUFFERING procedure, essentially a Scheme
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;;; analog of the setbuf(3S) stdio call. We use the actual stdio values.
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;;; 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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(define-enum-constants bufpol
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(block 0) ; _IOFBF
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(line #o200) ; _IOLBF
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(none 4)) ; _IONBF
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@ -0,0 +1,144 @@
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;;; HP-UX errno definitions. This file adapted from errno.h on an HP machine.
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;;; Copyright (c) 1994 by Olin Shivers. See file COPYING.
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;;; NOTE: When the hp9000s500 symbol is set, errno.h defines ENOMSG to be 250
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;;; instead of 35. What to do? We go with 35 in this file.
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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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(perm 1) ; Not super-user
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(noent 2) ; No such file or directory
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(srch 3) ; No such process
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(intr 4) ; interrupted system call
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(io 5) ; I/O error
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(nxio 6) ; No such device or address
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; (2big 7) ; Arg list too long
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(noexec 8) ; Exec format error
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(badf 9) ; Bad file number
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(child 10) ; No children
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(again 11) ; No more processes
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(nomem 12) ; Not enough core
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(acces 13) ; Permission denied
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(fault 14) ; Bad address
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(busy 16) ; Mount device busy
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(exist 17) ; File exists
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(xdev 18) ; Cross-device 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) ; File table overflow
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(mfile 24) ; Too many open files
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(notty 25) ; Not a typewriter
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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) ; Illegal 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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(dom 33) ; Math arg out of domain of func
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(range 34) ; Math result not representable
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(deadlk 45) ; A deadlock would occur
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(nolck 46) ; System record lock table was full
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(ilseq 47) ; Illegal byte sequence
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(notempty 247) ; Directory not empty
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(nametoolong 248) ; File name too long
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(nosys 251) ; Function not implemented
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;; Things in XPG3 not in POSIX or ANSI C.
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(notblk 15) ; Block device required
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(txtbsy 26) ; Text file busy
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(nomsg 35) ; No message of desired type
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(idrm 36) ; Identifier removed
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;; Things in AES not in XPG3, POSIX or ANSI C.
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(loop 249) ; Too many levels of symbolic links
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;; Things in HP-UX not in XPG3, POSIX or ANSI C.
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;; The error numbers between 37 and 44 are not produced by HP-UX.
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;; They will track whatever the UNIX(tm) system does in the future.
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(chrng 37) ; Channel number out of range
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(l2nsync 38) ; Level 2 not synchronized
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(l3hlt 39) ; Level 3 halted
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(l3rst 40) ; Level 3 reset
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(lnrng 41) ; Link number out of range
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(unatch 42) ; Protocol driver not attached
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(nocsi 43) ; No CSI structure available
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(l2hlt 44) ; Level 2 halted
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(nonet 50) ; Machine is not on the network
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(nodata 51) ; no data (for no delay io)
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(time 52) ; timer expired
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(nosr 53) ; out of streams resources
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(nostr 54) ; Device not a stream
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(nopkg 55) ; Package not installed
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(nolink 57) ; the link has been severed
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(adv 58) ; advertise error
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(srmnt 59) ; srmount error
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(comm 60) ; Communication error on send
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(proto 61) ; Protocol error
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(multihop 64) ; multihop attempted
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(dotdot 66) ; Cross mount point (not really error)
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(badmsg 67) ; trying to read unreadable message
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(nosym 215) ; symbol does not exist in executable
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(users 68) ; For Sun compatibilty, will not occur.
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(dquot 69) ; Disc quota exceeded
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(stale 70) ; Stale NFS file handle
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(remote 71) ; Too many levels of remote in path
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;; hp9000s500 only
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(unexpect 99) ; Unexpected Error
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;; hp9000s300, hp9000s800
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;; ipc/network software
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;; Argument errors
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(notsock 216) ; Socket operation on non-socket
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(destaddrreq 217) ; Destination address required
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(msgsize 218) ; Message too long
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(prototype 219) ; Protocol wrong type for socket
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(noprotoopt 220) ; Protocol not available
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(protonosupport 221) ; Protocol not supported
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(socktnosupport 222) ; Socket type not supported
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(opnotsupp 223) ; Operation not supported
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(pfnosupport 224) ; Protocol family not supported
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(afnosupport 225) ; Address family not supported by
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; protocol family
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(addrinuse 226) ; Address already in use
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(addrnotavail 227) ; Can't assign requested address
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;; operational errors
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(netdown 228) ; Network is down
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(netunreach 229) ; Network is unreachable
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(netreset 230) ; Network dropped connection on reset
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(connaborted 231) ; Software caused connection abort
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(connreset 232) ; Connection reset by peer
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(nobufs 233) ; No buffer space available
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(isconn 234) ; Socket is already connected
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(notconn 235) ; Socket is not connected
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(shutdown 236) ; Can't send after socket shutdown
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(toomanyrefs 237) ; Too many references: can't splice
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(timedout 238) ; Connection timed out
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(connrefused 239) ; Connection refused
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;; hp9000s800 only
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(refused errno/connrefused) ; Double define for NFS
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(remoterelease 240) ; Remote peer released connection
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(hostdown 241) ; Host is down
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(hostunreach 242) ; No route to host
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;; endif hp9000s300, hp9000s800
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(already 244) ; Operation already in progress
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(inprogress 245) ; Operation now in progress
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(wouldblock 246) ; Operation would block
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;; hp9000s500 only
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; (nomsg 250) ; No message of desired type
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)
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@ -0,0 +1,47 @@
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;;; Flags for open(2) and fcntl(2).
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;;; Copyright (c) 1993 by Olin Shivers. See file COPYING.
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(define-enum-constants open
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;; POSIX
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(read 0)
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(write 1)
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(read+write 2)
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(non-blocking #o200000)
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(append #o10)
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(no-control-tty #o400000)
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(create #o0400)
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(truncate #o1000)
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(exclusive #o2000)
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;; NextStep
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(sync #o100000)) ; Synchronous writes
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(define open/access-mask
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(bitwise-ior open/read
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(bitwise-ior open/write open/read+write)))
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;;; fcntl() commands
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(define-enum-constants fcntl
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(dup-fdes 0) ; F_DUPFD
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(get-fdes-flags 1) ; F_GETFD
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(set-fdes-flags 2) ; F_SETFD
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(get-status-flags 3) ; F_GETFL
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(set-status-flags 4) ; F_SETFL
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(get-record-lock 5) ; F_GETLK
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(set-record-lock-no-block 6) ; F_SETLK
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(set-record-lock 7)) ; F_SETLKW
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;;; fcntl fdes-flags (F_GETFD)
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(define fdflags/close-on-exec 1)
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;;; fcntl status-flags (F_GETFL)
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;;; Mostly, these are OPEN/... flags, like OPEN/APPEND.
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;;; (define fdstatus/... ...)
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;;; fcntl lock values.
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(define-enum-constants lock
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(read 1) ; F_RDLCK
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(write 2) ; F_WRLCK
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(release 3)) ; F_UNLCK
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@ -0,0 +1,3 @@
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/* OS-dependent support for what is supposed to be the standard ANSI C Library.
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** Copyright (c) 1996 by Brian D. Carlstrom.
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*/
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@ -0,0 +1,128 @@
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;;; Magic Numbers for Networking
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;;; Copyright (c) 1994 by Brian D. Carlstrom. See file COPYING.
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;;; magic numbers not from header file
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;;; but from man page
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;;; why can't unix make up its mind
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(define shutdown/receives 0)
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(define shutdown/sends 1)
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(define shutdown/sends+receives 2)
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;;;-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
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;;; BELOW THIS POINT ARE BITS FROM:
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;;; <sys/socket.h>
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;;; <sys/un.h>
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;;; <netinet/in.h>
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;;; <netinet/tcp.h>
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;;; <netdb.h>
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;;;-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
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;;; ADDRESS FAMILIES -- <sys/socket.h>
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(define address-family/unspecified 0) ; unspecified
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(define address-family/unix 1) ; local to host (pipes, portals)
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(define address-family/internet 2) ; internetwork: UDP, TCP, etc.
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;;; SOCKET TYPES -- <sys/socket.h>
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(define socket-type/stream 1) ; stream socket
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(define socket-type/datagram 2) ; datagram socket
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(define socket-type/raw 3) ; raw-protocol interface
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;;(define socket-type/rdm 4) ; reliably-delivered message
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;;(define socket-type/seqpacket 5) ; sequenced packet stream
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;;; PROTOCOL FAMILIES -- <sys/socket.h>
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(define protocol-family/unspecified 0) ; unspecified
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(define protocol-family/unix 1) ; local to host (pipes, portals)
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(define protocol-family/internet 2) ; internetwork: UDP, TCP, etc.
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;;; Well know addresses -- <netinet/in.h>
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(define internet-address/any #x00000000)
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(define internet-address/loopback #x7f000001)
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(define internet-address/broadcast #xffffffff) ; must be masked
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;;; errors from host lookup -- <netdb.h>
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(define herror/host-not-found 1) ;Authoritative Answer Host not found
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(define herror/try-again 2) ;Non-Authoritive Host not found, or SERVERFAIL
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(define herror/no-recovery 3) ;Non recoverable errors, FORMERR, REFUSED, NOTIMP
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(define herror/no-data 4) ;Valid name, no data record of requested type
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(define herror/no-address herror/no-data) ;no address, look for MX record
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;;; flags for send/recv -- <sys/socket.h>
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(define message/out-of-band 1) ; process out-of-band data
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(define message/peek 2) ; peek at incoming message
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(define message/dont-route 4) ; send without using routing tables
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;;; protocol level for socket options -- <sys/socket.h>
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(define level/socket #xffff) ; SOL_SOCKET: options for socket level
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;;; socket options -- <sys/socket.h>
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(define socket/debug #x0001) ; turn on debugging info recording
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(define socket/accept-connect #x0002) ; socket has had listen()
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(define socket/reuse-address #x0004) ; allow local address reuse
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(define socket/keep-alive #x0008) ; keep connections alive
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(define socket/dont-route #x0010) ; just use interface addresses
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(define socket/broadcast #x0020) ; permit sending of broadcast msgs
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(define socket/use-loop-back #x0040) ; bypass hardware when possible
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(define socket/linger #x0080) ; linger on close if data present
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(define socket/oob-inline #x0100) ; leave received OOB data in line
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;(define socket/use-privileged #x4000) ; allocate from privileged port area
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;(define socket/cant-signal #x8000) ; prevent SIGPIPE on SS_CANTSENDMORE
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(define socket/send-buffer #x1001) ; send buffer size
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(define socket/receive-buffer #x1002) ; receive buffer size
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(define socket/send-low-water #x1003) ; send low-water mark
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(define socket/receive-low-water #x1004) ; receive low-water mark
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(define socket/send-timeout #x1005) ; send timeout
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(define socket/receive-timeout #x1006) ; receive timeout
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(define socket/error #x1007) ; get error status and clear
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(define socket/type #x1008) ; get socket type
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(define socket/send-avoid-copy #x1009) ; avoid copy on send
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(define socket/receive-avoid-copy #x100a) ; avoid copy on rcv
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;;; ip options -- <netinet/in.h>
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(define ip/options 1) ; set/get IP per-packet options
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(define ip/multicast-if 2) ; set/get ip multicast interface
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(define ip/multicast-ttl 3) ; set/get ip multicast timetolive
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(define ip/multicast-loop 4) ; set/get ip multicast loopback
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(define ip/add-membership 5) ; add an ip group membership
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(define ip/drop-membership 6) ; drop an ip group membership
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(define ip/time-to-live 16) ; set/get IP time-to-live value
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;;; tcp options -- <netinet/tcp.h>
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(define tcp/no-delay #x01) ; don't delay send to coalesce packets
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(define tcp/max-segment #x02) ; set maximum segment size
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;;; -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
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;;; OPTION SETS FOR SOCKET-OPTION AND SET-SOCKET-OPTION
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;;; Boolean Options
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(define options/boolean
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(list socket/debug
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socket/accept-connect
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socket/reuse-address
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socket/keep-alive
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socket/dont-route
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socket/broadcast
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socket/use-loop-back
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socket/oob-inline
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; socket/use-privileged
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; socket/cant-signal
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tcp/no-delay))
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;;; Integer Options
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(define options/value
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(list socket/send-buffer
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socket/receive-buffer
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socket/send-low-water
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socket/receive-low-water
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socket/error
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socket/type
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ip/time-to-live
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tcp/max-segment))
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;;; #f or Positive Integer
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(define options/linger
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(list socket/linger))
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||||||
|
;;; Real Number
|
||||||
|
(define options/timeout
|
||||||
|
(list socket/send-timeout
|
||||||
|
socket/receive-timeout))
|
||||||
|
|
@ -0,0 +1,65 @@
|
||||||
|
;;; Interfaces and packages for the HP-UX specific parts of scsh.
|
||||||
|
;;; Copyright (c) 1994 by Olin Shivers. See file COPYING.
|
||||||
|
|
||||||
|
(define-interface hpux-fdflags-extras-interface
|
||||||
|
(export open/sync))
|
||||||
|
|
||||||
|
(define-interface hpux-errno-extras-interface
|
||||||
|
(export errno/wouldblock))
|
||||||
|
|
||||||
|
(define-interface hpux-signals-extras-interface
|
||||||
|
(export))
|
||||||
|
|
||||||
|
(define-interface hpux-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/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
|
||||||
|
socket/send-avoid-copy ;hpux
|
||||||
|
socket/receive-avoid-copy ;hpux
|
||||||
|
;; all options except ip/options & ip/time-to-live hpux specific
|
||||||
|
ip/options
|
||||||
|
ip/multicast-if
|
||||||
|
ip/multicast-ttl
|
||||||
|
ip/multicast-loop
|
||||||
|
ip/add-membership
|
||||||
|
ip/drop-membership
|
||||||
|
ip/time-to-live
|
||||||
|
tcp/no-delay
|
||||||
|
tcp/max-segment))
|
||||||
|
|
||||||
|
(define-interface hpux-extras-interface
|
||||||
|
(compound-interface hpux-errno-extras-interface
|
||||||
|
hpux-fdflags-extras-interface
|
||||||
|
hpux-network-extras-interface
|
||||||
|
hpux-signals-extras-interface))
|
||||||
|
|
||||||
|
(define-interface hpux-defs-interface
|
||||||
|
(compound-interface hpux-extras-interface
|
||||||
|
sockets-network-interface
|
||||||
|
posix-errno-interface
|
||||||
|
posix-fdflags-interface
|
||||||
|
posix-signals-interface
|
||||||
|
signals-internals-interface))
|
||||||
|
|
||||||
|
(define-structure hpux-defs hpux-defs-interface
|
||||||
|
(open scheme bitwise defenum-package)
|
||||||
|
(files fdflags errno signals netconst))
|
||||||
|
|
||||||
|
(define-interface os-extras-interface hpux-extras-interface)
|
||||||
|
(define os-dependent hpux-defs)
|
||||||
|
|
@ -0,0 +1,48 @@
|
||||||
|
;;; Signal constant definitions for HP-UX
|
||||||
|
;;; Copyright (c) 1994 by Olin Shivers. See file COPYING.
|
||||||
|
;;; Copyright (c) 1994 by Brian D. Carlstrom.
|
||||||
|
|
||||||
|
(define-enum-constants signal
|
||||||
|
(hup 1) ; floating point exception
|
||||||
|
(int 2) ; Interrupt
|
||||||
|
(quit 3) ; quit
|
||||||
|
(ill 4) ; Illegal instruction (not reset when caught)
|
||||||
|
(trap 5) ; trace trap (not reset when caught)
|
||||||
|
(abrt 6) ; Process abort signal
|
||||||
|
(iot signal/abrt) ; IOT instruction
|
||||||
|
(emt 7) ; EMT instruction
|
||||||
|
(fpe 8) ; Floating point exception
|
||||||
|
(kill 9) ; kill (cannot be caught of ignored)
|
||||||
|
(bus 10) ; bus error
|
||||||
|
(segv 11) ; Segmentation violation
|
||||||
|
(sys 12) ; bad argument to system call
|
||||||
|
(pipe 13) ; write on a pipe with no one to read it
|
||||||
|
(alrm 14) ; alarm clock
|
||||||
|
(term 15) ; Software termination signal from kill
|
||||||
|
(usr1 16) ; user defined signal 1
|
||||||
|
(usr2 17) ; user defined signal 2
|
||||||
|
(chld 18) ; Child process terminated or stopped
|
||||||
|
(cld signal/chld) ; death of a child
|
||||||
|
(pwr 19) ; power state indication
|
||||||
|
(vtalrm 20) ; virtual timer alarm
|
||||||
|
(prof 21) ; profiling timer alarm
|
||||||
|
(io 22) ; asynchronous I/O
|
||||||
|
(poll signal/io) ; for HP-UX hpstreams signal
|
||||||
|
(winch 23) ; window size change signal
|
||||||
|
(window signal/winch) ; added for compatibility reasons
|
||||||
|
(stop 24) ; Stop signal (cannot be caught or ignored)
|
||||||
|
(tstp 25) ; Interactive stop signal
|
||||||
|
(cont 26) ; Continue if stopped
|
||||||
|
(ttin 27) ; Read from control terminal attempted by a
|
||||||
|
; member of a background process group
|
||||||
|
(ttou 28) ; Write to control terminal attempted by a
|
||||||
|
; member of a background process group
|
||||||
|
(urg 29) ; urgent condition on IO channel
|
||||||
|
(lost 30) ; remote lock lost (NFS)
|
||||||
|
; Signal 31 is reserved for future use.
|
||||||
|
(dil 32)) ; DIL signal
|
||||||
|
|
||||||
|
|
||||||
|
(define signals-ignored-by-default
|
||||||
|
(list signal/chld signal/cont ; These are Posix.
|
||||||
|
signal/io signal/pwr signal/urg signal/winch)) ; These are HP-UX.
|
||||||
|
|
@ -0,0 +1,99 @@
|
||||||
|
/* 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, /* 1: SIGHUP */
|
||||||
|
scshint_keyboard, /* 2: SIGINT */
|
||||||
|
scshint_quit, /* 3: SIGQUIT */
|
||||||
|
-1, /* 4: SIGILL */
|
||||||
|
-1, /* 5: SIGTRAP */
|
||||||
|
-1, /* 6: SIGABRT */
|
||||||
|
-1, /* 7: SIGEMT */
|
||||||
|
-1, /* 8: SIGFPE */
|
||||||
|
-1, /* 9: SIGKILL */
|
||||||
|
-1, /* 10: SIGBUS */
|
||||||
|
-1, /* 11: SIGSEGV */
|
||||||
|
-1, /* 12: SIGSYS */
|
||||||
|
-1, /* 13: SIGPIPE */
|
||||||
|
scshint_alarm, /* 14: SIGALRM */
|
||||||
|
scshint_term, /* 15: SIGTERM */
|
||||||
|
scshint_usr1, /* 16: SIGUSR1 */
|
||||||
|
scshint_usr2, /* 17: SIGUSR2 */
|
||||||
|
scshint_chld, /* 18: SIGCHLD */
|
||||||
|
scshint_pwr, /* 19: SIGPWR */
|
||||||
|
scshint_vtalrm, /* 20: SIGVTALRM */
|
||||||
|
scshint_prof, /* 21: SIGPROF */
|
||||||
|
scshint_io, /* 22: SIGIO */
|
||||||
|
scshint_winch, /* 23: SIGWINCH */
|
||||||
|
-1, /* 24: SIGSTOP */
|
||||||
|
scshint_tstp, /* 25: SIGTSTP */
|
||||||
|
scshint_cont, /* 26: SIGCONT */
|
||||||
|
-1, /* 27: SIGTTIN */ /* scshint_ttyin */
|
||||||
|
-1, /* 28: SIGTTOU */ /* scshint_ttyou */
|
||||||
|
scshint_urg, /* 29: SIGURG */
|
||||||
|
-1, /* 30: SIGLOST */
|
||||||
|
-1, /* 32: SIGDIL */
|
||||||
|
scshint_xcpu, /* 33: SIGXCPU */
|
||||||
|
scshint_xfsz /* 34: SIGXFSZ */
|
||||||
|
};
|
||||||
|
|
||||||
|
const int max_sig = 34; /* SIGXFSZ */
|
||||||
|
|
||||||
|
/*
|
||||||
|
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
|
||||||
|
|
||||||
|
scshint_alarm
|
||||||
|
scshint_chld
|
||||||
|
scshint_cont
|
||||||
|
scshint_hup
|
||||||
|
scshint_info
|
||||||
|
scshint_io
|
||||||
|
scshint_keyboard
|
||||||
|
scshint_memory_shortage
|
||||||
|
scshint_poll
|
||||||
|
scshint_prof
|
||||||
|
scshint_pwr
|
||||||
|
scshint_quit
|
||||||
|
scshint_term
|
||||||
|
scshint_tstp
|
||||||
|
scshint_urg
|
||||||
|
scshint_usr1
|
||||||
|
scshint_usr2
|
||||||
|
scshint_vtalrm
|
||||||
|
scshint_winch
|
||||||
|
scshint_xcpu
|
||||||
|
scshint_xfsz
|
||||||
|
*/
|
||||||
|
|
@ -0,0 +1,10 @@
|
||||||
|
/* 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)->sigset[0]=((hi)<<24)|(lo))
|
||||||
|
|
||||||
|
/* Not a procedure: */
|
||||||
|
#define split_sigset(mask, hip, lop) \
|
||||||
|
((*(hip)=((mask).sigset[0]>>24)&0xff), \
|
||||||
|
(*(lop)=((mask).sigset[0]&0xffffff)))
|
||||||
|
|
@ -0,0 +1,84 @@
|
||||||
|
/* 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->_cnt > 0 ? S48_TRUE : char_ready_fdes(fd);
|
||||||
|
}
|
||||||
|
|
||||||
|
void setfileno(FILE *fs, int fd)
|
||||||
|
{
|
||||||
|
fs->__fileL = (fd & 0xFF);
|
||||||
|
fs->__fileH = ((fd>>8) & 0xFF);
|
||||||
|
}
|
||||||
|
|
||||||
|
int fbufcount(FILE* fs)
|
||||||
|
{
|
||||||
|
return(fs->_cnt);
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Returns true if there is no buffered data in stream FS
|
||||||
|
** (or there is no buffering, period.)
|
||||||
|
*/
|
||||||
|
|
||||||
|
int ibuf_empty(FILE *fs) {return fs->_cnt <= 0;}
|
||||||
|
|
||||||
|
|
||||||
|
/* Returns true if the buffer in stream FS is full
|
||||||
|
** (or there is no buffering, period).
|
||||||
|
*/
|
||||||
|
|
||||||
|
int obuf_full(FILE *fs) {return fs->_cnt <= 0;}
|
||||||
|
|
@ -0,0 +1,13 @@
|
||||||
|
/* 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);
|
||||||
|
|
@ -0,0 +1,8 @@
|
||||||
|
;;; OS-dependent time stuff
|
||||||
|
;;; Copyright (c) 1995 by Olin Shivers. See file COPYING.
|
||||||
|
|
||||||
|
;;; This suffices for BSD systems with the gettimeofday()
|
||||||
|
;;; microsecond-resolution timer.
|
||||||
|
|
||||||
|
(define (ticks/sec) 1000000) ; usec
|
||||||
|
|
||||||
|
|
@ -0,0 +1,38 @@
|
||||||
|
/* 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;
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,228 @@
|
||||||
|
;;; Constant definitions for tty control code (POSIX termios).
|
||||||
|
;;; Copyright (c) 1995 by Brian Carlstrom. See file COPYING.
|
||||||
|
;;; Largely rehacked by Olin.
|
||||||
|
|
||||||
|
;;; These constants are for HP-UX,
|
||||||
|
;;; and are taken from /usr/include/sys/termio.h.
|
||||||
|
|
||||||
|
;;; 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 4) ; ^d icanon
|
||||||
|
(define ttychar/eol 5) ; icanon
|
||||||
|
(define ttychar/delete-char 2) ; ^? icanon
|
||||||
|
(define ttychar/delete-line 3) ; ^u icanon
|
||||||
|
(define ttychar/interrupt 0) ; ^c isig
|
||||||
|
(define ttychar/quit 1) ; ^\ isig
|
||||||
|
(define ttychar/suspend 13) ; ^z isig
|
||||||
|
(define ttychar/start 14) ; ^q ixon, ixoff
|
||||||
|
(define ttychar/stop 15) ; ^s ixon, ixoff
|
||||||
|
(define ttychar/min 11) ; !icanon ; Not exported
|
||||||
|
(define ttychar/time 12) ; !icanon ; Not exported
|
||||||
|
|
||||||
|
;;; SVR4 & 4.3+BSD
|
||||||
|
(define ttychar/delete-word #f) ; ^w icanon
|
||||||
|
(define ttychar/reprint #f) ; ^r icanon
|
||||||
|
(define ttychar/literal-next #f) ; ^v iexten
|
||||||
|
(define ttychar/discard #f) ; ^o iexten
|
||||||
|
(define ttychar/delayed-suspend #f) ; ^y isig
|
||||||
|
(define ttychar/eol2 #f) ; icanon
|
||||||
|
|
||||||
|
;;; 4.3+BSD
|
||||||
|
(define ttychar/status #f) ; ^t icanon
|
||||||
|
|
||||||
|
;;; Length of control-char string -- *Not Exported*
|
||||||
|
(define num-ttychars 16)
|
||||||
|
|
||||||
|
;;; Magic "disable feature" tty character
|
||||||
|
(define disable-tty-char (ascii->char #xff)) ; _POSIX_VDISABLE
|
||||||
|
|
||||||
|
;;; HP-UX brain death:
|
||||||
|
;;; HP-UX defines NCCS to be 16, then sneaks the DSUSP char (^y) in as
|
||||||
|
;;; a seventeenth char -- there's another non-standard NLDCC constant
|
||||||
|
;;; defined to be 1+16 that's used elsewhere. Since the scsh interface
|
||||||
|
;;; to tcsetattr() uses a char vec of size NCCS, you can't get at this
|
||||||
|
;;; hidden char. So we do not support the delayed-suspension char; sorry.
|
||||||
|
;;;
|
||||||
|
;;; If you are an HP-UX hacker, and know a way to fix this, let me know.
|
||||||
|
|
||||||
|
;;; Flags controllling input processing
|
||||||
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||||
|
|
||||||
|
;;; POSIX
|
||||||
|
(define ttyin/ignore-break #o00001) ; ignbrk
|
||||||
|
(define ttyin/interrupt-on-break #o00002) ; brkint
|
||||||
|
(define ttyin/ignore-bad-parity-chars #o00004) ; ignpar
|
||||||
|
(define ttyin/mark-parity-errors #o00010) ; parmrk
|
||||||
|
(define ttyin/check-parity #o00020) ; inpck
|
||||||
|
(define ttyin/7bits #o00040) ; istrip
|
||||||
|
(define ttyin/nl->cr #o00100) ; inlcr
|
||||||
|
(define ttyin/ignore-cr #o00200) ; igncr
|
||||||
|
(define ttyin/cr->nl #o00400) ; icrnl
|
||||||
|
(define ttyin/output-flow-ctl #o02000) ; ixon
|
||||||
|
(define ttyin/input-flow-ctl #o10000) ; ixoff
|
||||||
|
|
||||||
|
;;; SVR4 & 4.3+BSD
|
||||||
|
(define ttyin/xon-any #o4000) ; ixany: Any char restarts after stop
|
||||||
|
(define ttyin/beep-on-overflow #f) ; imaxbel: queue full => ring bell
|
||||||
|
|
||||||
|
;;; SVR4
|
||||||
|
(define ttyin/lowercase #o1000) ; iuclc: Map upper-case to lower case
|
||||||
|
|
||||||
|
|
||||||
|
;;; Flags controlling output processing
|
||||||
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||||
|
|
||||||
|
;;; POSIX
|
||||||
|
(define ttyout/enable #o000001) ; opost: enable output processing
|
||||||
|
|
||||||
|
;;; SVR4 & 4.3+BSD
|
||||||
|
(define ttyout/nl->crnl #o000004) ; onlcr: map nl to cr-nl
|
||||||
|
|
||||||
|
;;; 4.3+BSD
|
||||||
|
(define ttyout/discard-eot #f) ; onoeot
|
||||||
|
(define ttyout/expand-tabs #f) ; oxtabs (NOT xtabs)
|
||||||
|
|
||||||
|
;;; SVR4
|
||||||
|
(define ttyout/cr->nl #o000010) ; ocrnl
|
||||||
|
(define ttyout/fill-w/del #o000200) ; ofdel
|
||||||
|
(define ttyout/delay-w/fill-char #o000100) ; ofill
|
||||||
|
(define ttyout/uppercase #o000002) ; olcuc
|
||||||
|
(define ttyout/nl-does-cr #o000040) ; onlret
|
||||||
|
(define ttyout/no-col0-cr #o000020) ; onocr
|
||||||
|
|
||||||
|
;;; Newline delay
|
||||||
|
(define ttyout/nl-delay #o000400) ; mask (nldly)
|
||||||
|
(define ttyout/nl-delay0 #o000000)
|
||||||
|
(define ttyout/nl-delay1 #o000400) ; tty 37
|
||||||
|
|
||||||
|
;;; Horizontal-tab delay
|
||||||
|
(define ttyout/tab-delay #o014000) ; mask (tabdly)
|
||||||
|
(define ttyout/tab-delay0 #o000000)
|
||||||
|
(define ttyout/tab-delay1 #o004000) ; tty 37
|
||||||
|
(define ttyout/tab-delay2 #o010000)
|
||||||
|
(define ttyout/tab-delayx #o014000) ; Expand tabs (xtabs, tab3)
|
||||||
|
|
||||||
|
;;; Carriage-return delay
|
||||||
|
(define ttyout/cr-delay #o003000) ; mask (crdly)
|
||||||
|
(define ttyout/cr-delay0 #o000000)
|
||||||
|
(define ttyout/cr-delay1 #o001000) ; tn 300
|
||||||
|
(define ttyout/cr-delay2 #o002000) ; tty 37
|
||||||
|
(define ttyout/cr-delay3 #o003000) ; concept 100
|
||||||
|
|
||||||
|
;;; Vertical tab delay
|
||||||
|
(define ttyout/vtab-delay #o040000) ; mask (vtdly)
|
||||||
|
(define ttyout/vtab-delay0 #o000000)
|
||||||
|
(define ttyout/vtab-delay1 #o040000) ; tty 37
|
||||||
|
|
||||||
|
;;; Backspace delay
|
||||||
|
(define ttyout/bs-delay #o020000) ; mask (bsdly)
|
||||||
|
(define ttyout/bs-delay0 #o000000)
|
||||||
|
(define ttyout/bs-delay1 #o020000)
|
||||||
|
|
||||||
|
;;; Form-feed delay
|
||||||
|
(define ttyout/ff-delay #o100000) ; mask (ffdly)
|
||||||
|
(define ttyout/ff-delay0 #o000000)
|
||||||
|
(define ttyout/ff-delay1 #o100000)
|
||||||
|
|
||||||
|
(define ttyout/all-delay
|
||||||
|
(bitwise-ior (bitwise-ior (bitwise-ior ttyout/nl-delay ttyout/tab-delay)
|
||||||
|
(bitwise-ior ttyout/cr-delay ttyout/vtab-delay))
|
||||||
|
(bitwise-ior ttyout/bs-delay ttyout/ff-delay)))
|
||||||
|
|
||||||
|
|
||||||
|
;;; Control flags - hacking the serial-line.
|
||||||
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||||
|
|
||||||
|
;;; POSIX
|
||||||
|
(define ttyc/char-size #o00140) ; csize: character size mask
|
||||||
|
(define ttyc/char-size5 #o00000) ; 5 bits (cs5)
|
||||||
|
(define ttyc/char-size6 #o00040) ; 6 bits (cs6)
|
||||||
|
(define ttyc/char-size7 #o00100) ; 7 bits (cs7)
|
||||||
|
(define ttyc/char-size8 #o00140) ; 8 bits (cs8)
|
||||||
|
(define ttyc/2-stop-bits #o00200) ; cstopb: Send 2 stop bits.
|
||||||
|
(define ttyc/enable-read #o00400) ; cread: Enable receiver.
|
||||||
|
(define ttyc/enable-parity #o01000) ; parenb
|
||||||
|
(define ttyc/odd-parity #o02000) ; parodd
|
||||||
|
(define ttyc/hup-on-close #o04000) ; hupcl: Hang up on last close.
|
||||||
|
(define ttyc/no-modem-sync #o10000) ; clocal: Ignore modem lines.
|
||||||
|
|
||||||
|
;;; 4.3+BSD
|
||||||
|
(define ttyc/ignore-flags #f) ; cignore: ignore control flags
|
||||||
|
(define ttyc/CTS-output-flow-ctl #f) ; ccts_oflow: CTS flow control of output
|
||||||
|
(define ttyc/RTS-input-flow-ctl #f) ; crts_iflow: RTS flow control of input
|
||||||
|
(define ttyc/carrier-flow-ctl #f) ; mdmbuf
|
||||||
|
|
||||||
|
;;; Local flags -- hacking the tty driver / user interface.
|
||||||
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||||
|
|
||||||
|
;;; POSIX
|
||||||
|
(define ttyl/visual-delete #o020) ; echoe: Visually erase chars
|
||||||
|
(define ttyl/echo-delete-line #o040) ; echok: Echo nl after line kill
|
||||||
|
(define ttyl/echo #o010) ; echo: Enable echoing
|
||||||
|
(define ttyl/echo-nl #o100) ; echonl: Echo nl even if echo is off
|
||||||
|
(define ttyl/canonical #o002) ; icanon: Canonicalize input
|
||||||
|
(define ttyl/enable-signals #o001) ; isig: Enable ^c, ^z signalling
|
||||||
|
(define ttyl/extended #o20000000000); iexten: Enable extensions
|
||||||
|
(define ttyl/ttou-signal #o10000000000); tostop: SIGTTOU on background output
|
||||||
|
(define ttyl/no-flush-on-interrupt #o200) ; noflsh
|
||||||
|
|
||||||
|
;;; SVR4 & 4.3+BSD
|
||||||
|
(define ttyl/visual-delete-line #f) ; echoke: visually erase a line-kill
|
||||||
|
(define ttyl/hardcopy-delete #f) ; echoprt: visual erase for hardcopy
|
||||||
|
(define ttyl/echo-ctl #f) ; echoctl: echo control chars as "^X"
|
||||||
|
(define ttyl/flush-output #f) ; flusho: output is being flushed
|
||||||
|
(define ttyl/reprint-unread-chars #f) ; pendin: retype pending input
|
||||||
|
|
||||||
|
;;; 4.3+BSD
|
||||||
|
(define ttyl/alt-delete-word #f) ; altwerase
|
||||||
|
(define ttyl/no-kernel-status #f) ; nokerninfo: no kernel status on ^T
|
||||||
|
|
||||||
|
;;; SVR4
|
||||||
|
(define ttyl/case-map #o4) ; xcase: canonical upper/lower presentation
|
||||||
|
|
||||||
|
|
||||||
|
;;; Vector of (speed . code) pairs.
|
||||||
|
|
||||||
|
(define baud-rates '#((0 . 0) (1 . 50) (2 . 75)
|
||||||
|
(3 . 110) (4 . 134) (5 . 150)
|
||||||
|
(6 . 200) (7 . 300) (8 . 600)
|
||||||
|
(9 . 900) (10 . 1200) (11 . 1800)
|
||||||
|
(12 . 2400) (13 . 3600) (14 . 4800)
|
||||||
|
(15 . 7200) (16 . 9600) (17 . 19200)
|
||||||
|
(18 . 38400) (19 . 57600) (20 . 115200)
|
||||||
|
(21 . 230400) (22 . 460800) ; 23-29 unused.
|
||||||
|
(30 . exta) (31 . extb)))
|
||||||
|
|
||||||
|
|
||||||
|
;;; tcflush() constants
|
||||||
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||||
|
|
||||||
|
(define %flush-tty/input 0) ; TCIFLUSH
|
||||||
|
(define %flush-tty/output 1) ; TCOFLUSH
|
||||||
|
(define %flush-tty/both 2) ; TCIOFLUSH
|
||||||
|
|
||||||
|
|
||||||
|
;;; tcflow() constants
|
||||||
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||||
|
|
||||||
|
(define %tcflow/start-out 1) ; TCOON
|
||||||
|
(define %tcflow/stop-out 0) ; TCOOFF
|
||||||
|
(define %tcflow/start-in 3) ; TCION
|
||||||
|
(define %tcflow/stop-in 2) ; 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.
|
||||||
|
|
@ -0,0 +1,40 @@
|
||||||
|
;;; Scsh routines for analysing exit codes returned by WAIT.
|
||||||
|
;;; Copyright (c) 1994 by Olin Shivers. See file COPYING.
|
||||||
|
;;;
|
||||||
|
;;; 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 HPUX.
|
||||||
|
;;;
|
||||||
|
;;; 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 #xFF status))
|
||||||
|
(bitwise-and #xFF (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 #xFF))
|
||||||
|
(bitwise-and #xFF (arithmetic-shift status -8))))
|
||||||
|
|
||||||
|
|
||||||
|
;;; If the process terminated abnormally,
|
||||||
|
;;; return the terminating signal, otw #f.
|
||||||
|
|
||||||
|
(define (status:term-sig status)
|
||||||
|
(let ((low-byte (bitwise-and status #xFF)))
|
||||||
|
(and (not (= low-byte 0)) ; Didn't exit.
|
||||||
|
(not (= low-byte #x7F)) ; Not suspended.
|
||||||
|
(bitwise-and status #x7F))))
|
||||||
|
|
||||||
|
|
||||||
|
;;; 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