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authorJoe Hunkeler <jhunkeler@gmail.com>2015-08-11 16:51:37 -0400
committerJoe Hunkeler <jhunkeler@gmail.com>2015-08-11 16:51:37 -0400
commit40e5a5811c6ffce9b0974e93cdd927cbcf60c157 (patch)
tree4464880c571602d54f6ae114729bf62a89518057 /unix/gdev/iism70/m70.h
downloadiraf-osx-40e5a5811c6ffce9b0974e93cdd927cbcf60c157.tar.gz
Repatch (from linux) of OSX IRAF
Diffstat (limited to 'unix/gdev/iism70/m70.h')
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1 files changed, 27 insertions, 0 deletions
diff --git a/unix/gdev/iism70/m70.h b/unix/gdev/iism70/m70.h
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+# Definitions for the VMS/IIS device driver.
+
+define IIS_READ 1 # read function code
+define IIS_WRITE 0 # write function code
+define IIS_INACTIVE -1 # no i/o in progress
+
+define EFN EFN2 # EFN to use for i/o
+define EFN1W 0 # efn #1, wait for completion
+define EFN2 1 # efn #2, no wait for completion
+define EFN3 2 # efn #3, no wait for completion
+
+# Function control block structure for IIS. The first part of the structure
+# is filled in by VMS at open time; all we need to know is the offset of the
+# device name. We use the latter part of the buffer
+
+define LEN_FCB 30
+define FCB_U_NAME (P2S($1)+16+($2)-1)
+define FCB_STATUS Memi[$1+20] # channel status (r, w, err)
+define FCB_NBYTES Memi[$1+21] # nbytes last transfer
+define FCB_EFN Memi[$1+22] # event flag used for transfer
+
+# IIS device status words.
+
+define IIS_FILSIZE (512 * 512 * SZB_CHAR)
+define IIS_BLKSIZE 1024
+define IIS_OPTBUFSIZE (512 * SZB_CHAR)
+define IIS_MAXBUFSIZE 32768