1 /* BEGIN INCLUDE FILE gtss_dfd_ext_.incl.pl1 */ 2 /* 3 Created: (Wardd Multics) 06/09/78 1650.6 mst Fri 4 */ 5 6 dcl 1 gtss_dfd_ext_$disk_file_data (41) aligned ext, /* disk_file_data structure */ 7 8 3 gtss_disk, 9 4 dir_name char (168) unal, /* containing directory for file */ 10 4 entry_name char (32) unal, /* entry name for file */ 11 4 fcb_ptr ptr aligned, /* ptr to file control block */ 12 4 msf_array_ptr ptr, /* Pointer to an array of pointers for a msf. Each 13 component which has been accessed has a corresponding 14 initialized pointer. Currently 500 components 15 are supported. */ 16 4 single_segment_ptr ptr, /* Pointer to segment for single segment file */ 17 4 indicators aligned, /* one word of flags */ 18 19 5 msf bit (1) unaligned, /* 1=msf segment | 0= single segment */ 20 5 protected_file bit (1) unaligned, /* 1=file uses protections | 0= unprotected */ 21 5 fill bit (34) unal, 22 23 4 permissions aligned, 24 5 read bit (1) unaligned, /* 1=read permission */ 25 5 execute bit (1) unaligned, /* 1=execute permission */ 26 5 write bit (1) unaligned, /* 1=write permission */ 27 5 fill2 bit (33) unaligned, /* unused at this time */ 28 29 4 access_mode bit (6) aligned, /* contains the mode by which the file was accessed */ 30 4 component fixed bin, /* current component value (first component = 0) */ 31 4 offset fixed bin (24), /* current word offset in the component */ 32 4 file_position fixed bin (30), /* current file position in words */ 33 4 file_size fixed bin (30), /* size of file in words */ 34 4 no_components fixed bin (24), /* number of components for a msf */ 35 4 attributes_ptr ptr, /* Pointer to the attributes structure 36 for this file. (See gtss_file_attributes.incl.pl1) */ 37 38 4 pat_body, 39 40 5 word_0, 41 6 defective bit (1) unal, /* 1 = file has defective space */ 42 6 io_errors bit (1) unal, /* 1 = I/O errors encountered on file */ 43 6 reserved bit (2) unal, /* Reserved for GCOS */ 44 6 sct bit (12) unal, /* address of SCT for device on which 45 file begins or if cataloged, 46 for device with file catalog entry */ 47 6 reserved2 bit (2) unal, /* Reserved for GCOS */ 48 49 5 word_1, 50 6 io_time fixed bin (35), /* I/O time for this file */ 51 52 5 word_2, 53 6 protected bit (1) unal, /* 1 = file has protected allocation */ 54 6 hash_code bit (5) unal, /* hash code of user name under which 55 file is cataloged */ 56 6 not_cat bit (1) unal, /* 1 = file is not cataloged */ 57 6 last_desc bit (1) unal, /* 1 = last descriptor for file is not in memory */ 58 6 random bit (1) unal, /* 1 = access to file is random */ 59 6 perm bit (1) unal, /* 1 = file space is permanently assigned */ 60 6 first_desc bit (1) unal, /* 1 = first descriptor for file is not in memory */ 61 6 creator bit (1) unal, /* 1 = user is not creator of file */ 62 6 disposition bit (2) unal, /* Abort disposition code 63 00 = Release 64 01 = Dismount 65 10 = Save 66 11 = Continue */ 67 6 ids1 bit (1) unal, /* 1 = file is an I-D-S/I file */ 68 6 write_performed bit (1) unal, /* 1 = write was performed on file */ 69 6 unpermitted_access bit (1) unal, /* 1 = unpermitted access to file attempted or seek 70 attempted to part of file marked defective (only 71 for procted allocation) */ 72 6 purge bit (1) unal, /* 1 = file space to be purgedbefore deallocating file. */ 73 6 sector_number bit (18) unal, /* If cataloged file, sector number of file catalog 74 (on device with SCT referenced in word 0). If 75 cataloged file that is proctected (bit 0 ON in this 76 word), memory location of table in File Management 77 Supervisor Executive. If user temporary file, 78 largest size file has ever attained, in llinks. 79 If system value equals 777777 octal, it is system 80 file created by System Input. */ 81 82 5 word_3, 83 6 llink_size bit (14) unal, /* 0-13 ^= 0, Current total file size in llinks 84 0-13 = 0, File size is greater than 16,383 llinks, 85 and if the file is cataloged, call to .MFS19,5 with 86 offset to PAT pointer in index 5 will cause bits 87 14-35 of Q-register to be set to file size. (Unless 88 there is a Seek error on file catalog in which case 89 zero is returned. ) 90 */ 91 6 llink_position bit (22) unal, /* Relative llink position within the space descriptors 92 in memory. */ 93 94 5 word_4, 95 6 not_last_desc bit (1) unal, /* 1 = not last descriptor in memory */ 96 6 space_desc bit (1) unal, /* 0 = this is space descriptor */ 97 6 space_defective bit (1) unal, /* 1 = Space is defective */ 98 6 extent bit (15) unal, /* Number of llinks in this extent (area defined by this 99 descriptor) */ 100 6 origin bit (18) unal; /* device llinks number of origin of this extent */ 101 /* END INCLUDE FILE gtss_dfd_ext_.incl.pl1 */