Initial commit

1 files changed, 70 insertions, 0 deletions

diff --git a/sys/fio/finit.x b/sys/fio/finit.x
new file mode 100644
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--- /dev/null
+++ b/sys/fio/finit.x
@@ -0,0 +1,70 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<knet.h>
+include	<config.h>
+include	<syserr.h>
+include	<error.h>
+include	<ttset.h>
+include	<fio.h>
+
+# FINIT -- Initialize FIO.  Called once by the IRAF Main upon process startup.
+# Mark all file descriptors empty and install drivers for the standard file 
+# defices, i.e., text file, binary file, terminal, and IPC.
+
+procedure finit()
+
+int	fd, first_time
+
+extern	zgettx(), zputtx(), zflstx(), zstttx(), zclstx(), zsektx(), znottx()
+extern	zgetty(), zputty(), zflsty(), zsttty(), zclsty(), zsekty(), znotty()
+extern	zgettt(), zputtt(), zflstt(), zstttt(), zclstt(), zsektt(), znottt()
+extern	zgetnu(), zputnu(), zflsnu(), zsttnu(), zclsnu(), zseknu(), znotnu()
+extern	zardbf(), zawrbf(), zawtbf(), zsttbf(), zclsbf()
+extern	zardsf(), zawrsf(), zawtsf(), zsttsf(), zclssf()
+extern	zardpr(), zawrpr(), zawtpr(), zsttpr(), pr_zclspr()
+extern	zardps(), zawrps(), zawtps(), zsttps(), zclsps()
+extern	zardnu(), zawrnu(), zawtnu()
+
+include	<fio.com>
+data	first_time /YES/
+errchk	syserr
+
+begin
+	# If we are called more than once it is probably due to a name conflict
+	# with a user routine, so generate a fatal error abort.
+
+	if (first_time == YES)
+	    first_time = NO
+	else iferr (call syserr (SYS_FINITREP))
+	    call erract (EA_FATAL)
+
+	# Free up all the file descriptors.  Note that FDs 1 through FIRST_FD
+	# will be assigned to CLIN through STDERR by CLOPEN.
+
+	do fd = 1, LAST_FD
+	    fiodes[fd] = NULL
+
+	# Install the standard devices in the device table.  The first entry
+	# should be the standard text file device, followed by the standard
+	# binary file device.  NOTE: the standard devices must be installed
+	# in the table in the order TX,BF,TY,PR,SF to agree with the device
+	# code definitions in fio.h.  The NU drivers implement the nullfile.
+
+	next_dev = 1
+	call fdevtx (zgettx, zputtx, zflstx, zstttx, zclstx, zsektx, znottx)
+	call fdevbf (zardbf, zawrbf, zawtbf, zsttbf, zclsbf)
+	call fdevtx (zgettt, zputtt, zflstt, zstttt, zclstt, zsektt, znottt)
+	call fdevbf (zardpr, zawrpr, zawtpr, zsttpr, pr_zclspr)
+	call fdevbf (zardsf, zawrsf, zawtsf, zsttsf, zclssf)
+
+	call fdevtx (zgetty, zputty, zflsty, zsttty, zclsty, zsekty, znotty)
+	call fdevtx (zgetnu, zputnu, zflsnu, zsttnu, zclsnu, zseknu, znotnu)
+	call fdevbf (zardnu, zawrnu, zawtnu, zsttnu, zclsnu)
+	call fdevbf (zardps, zawrps, zawtps, zsttps, zclsps)
+
+	# Initialize the TEMP_FILE handler.
+	call fsvtfn ("")
+
+	# Initialize the TT logical terminal driver.
+	call zsettt (0, TT_INITIALIZE, 0)
+end