Initial commit

1 files changed, 163 insertions, 0 deletions

diff --git a/sys/fio/fdebug.x b/sys/fio/fdebug.x
new file mode 100644
index 00000000..6998ab98
--- /dev/null
+++ b/sys/fio/fdebug.x
@@ -0,0 +1,163 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<config.h>
+include	<fio.h>
+
+# FDEBUG -- Decode and print the contents of a file descriptor or of all
+# file descriptors on the standard output.
+
+procedure fdebug (out, fd1_arg, fd2_arg)
+
+int	out, fd1_arg, fd2_arg
+int	fd, fd1, fd2, n
+int	and()
+long	note()
+pointer	ffp
+include	<fio.com>
+
+begin
+	fd1 = max(1, min(LAST_FD, fd1_arg))
+	if (fd2_arg <= 0)
+	    fd2 = LAST_FD
+	else
+	    fd2 = max(1, min(LAST_FD, fd2_arg))
+
+	if (fd1 < FIRST_FD) {
+	    n = 0					# count open files
+	    do fd = 1, LAST_FD
+		if (fiodes[fd] != NULL)
+		    n = n + 1
+
+	    call fprintf (out,
+		"FIO Status: %d open files, %d installed devices\n\n")
+		call pargi (n)
+		call pargi (next_dev / LEN_DTE)		# count devices
+	}
+
+	for (fd=fd1;  fd <= fd2;  fd=fd+1) {
+	    ffp = fiodes[fd]
+	    if (ffp != NULL) {
+		call fprintf (out, "%2d  (%s), %s, %s, fp=%d,\n")
+		    call pargi (fd)
+		    call pargstr (FNAME(ffp))
+
+		    switch (FMODE(ffp)) {
+		    case READ_ONLY:
+			call pargstr ("READ_ONLY")
+		    case READ_WRITE:
+			call pargstr ("READ_WRITE")
+		    case WRITE_ONLY:
+			call pargstr ("WRITE_ONLY")
+		    case APPEND:
+			call pargstr ("APPEND")
+		    case NEW_FILE:
+			call pargstr ("NEW_FILE")
+		    case TEMP_FILE:
+			call pargstr ("TEMP_FILE")
+		    default:
+			call pargstr ("ILLEGAL_FMODE")
+		    }
+
+		    switch (FTYPE(ffp)) {
+		    case TEXT_FILE:
+			call pargstr ("TEXT_FILE")
+		    case BINARY_FILE:
+			call pargstr ("BINARY_FILE")
+		    case STRING_FILE:
+			call pargstr ("STRING_FILE")
+		    case SPOOL_FILE:
+			call pargstr ("SPOOL_FILE")
+		    default:
+			call pargstr ("ILLEGAL_FTYPE")
+		    }
+		    call pargi (ffp)
+
+		call fprintf (out, "    ")
+		call fprintf (out,
+		"chan=%d, device=%d, epa=0%xX, filesize(chars)=%d, posn=%s,\n")
+		    call pargi (FCHAN(ffp))
+		    call pargi ((FDEV(ffp)-1) / LEN_DTE + 1)
+		    call pargi (zdev[FDEV(ffp)])
+		    call pargl (FILSIZE(ffp))
+
+		    if (FILSIZE(ffp) < 0)
+			call pargl (note(fd))
+		    else if (boffset[fd] > FILSIZE(ffp))
+			call pargstr ("EOF")
+		    else
+			call pargl (note(fd))
+
+		call fprintf (out, "    ")
+		call fprintf (out,
+		"iomode=%s, status=%s, refcnt=%d, afd=%d,\n")
+		    switch (FFIOMODE(ffp)) {
+		    case INACTIVE:
+			call pargstr ("INACTIVE")
+		    case READ_IN_PROGRESS:
+			call pargstr ("READ_IN_PROGRESS")
+		    case WRITE_IN_PROGRESS:
+			call pargstr ("WRITE_IN_PROGRESS")
+		    default:
+			call pargstr ("ILLEGAL")
+		    }
+
+		    switch (FILSTAT(ffp)) {
+		    case ERR:
+			call pargstr ("ERR")
+		    case OK:
+			call pargstr ("OK")
+		    default:
+			call pargi (FILSTAT(ffp))
+		    }
+
+		    call pargi (FREFCNT(ffp))
+		    call pargi (FAFD(ffp))
+
+		call fprintf (out, "    ")
+		call fprintf (out,
+		"nbufs=%d, bufsize=%d, optbufsize=%d, blksize=%d,\n")
+		    call pargi (FNBUFS(ffp))
+		    call pargi (FBUFSIZE(ffp))
+		    call pargi (FOPTBUFSIZE(ffp))
+		    call pargi (FBLKSIZE(ffp))
+
+		call fprintf (out, "    ")
+		call fprintf (out,
+		"pbbufsize=%d, pbbuf=%d, pbtop=%d, pbiop=%d, pbsp=%d,\n")
+		    call pargi (FPBBUFSIZE(ffp))
+		    call pargi (FPBBUF(ffp))
+		    call pargi (FPBTOP(ffp))
+		    call pargi (FPBIOP(ffp))
+		    call pargi (FPBSP(ffp))
+
+		call fprintf (out, "    ")
+		call fprintf (out,
+		"iop=%d, itop=%d, otop=%d, bp=%d, top=%d, offset=%d,\n")
+		    call pargi (iop[fd])
+		    call pargi (itop[fd])
+		    call pargi (otop[fd])
+		    call pargi (bufptr[fd])
+		    call pargi (buftop[fd])
+		    call pargi (boffset[fd])
+
+		call fprintf (out, "    Flags =")
+		if (and (FF_FLUSH, fflags[fd]) != 0)
+		    call fprintf (out, " FLUSH")
+		if (and (FF_FLUSHNL, fflags[fd]) != 0)
+		    call fprintf (out, " FLUSHNL")
+		if (and (FF_READ, fflags[fd]) != 0)
+		    call fprintf (out, " READ")
+		if (and (FF_WRITE, fflags[fd]) != 0)
+		    call fprintf (out, " WRITE")
+		if (and (FF_KEEP, fflags[fd]) != 0)
+		    call fprintf (out, " KEEP")
+		if (and (FF_EOF, fflags[fd]) != 0)
+		    call fprintf (out, " EOF")
+		if (and (FF_ERR, fflags[fd]) != 0)
+		    call fprintf (out, " ERR")
+		if (and (FF_PUSHBACK, fflags[fd]) != 0)
+		    call fprintf (out, " PUSHBACK")
+		call fprintf (out, "\n\n")
+	    }
+	}
+end