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Diff for /freem/src/global_bltin.h between versions 1.8 and 1.13

version 1.8, 2025/04/09 00:43:07 version 1.13, 2025/04/13 04:22:43
Line 24 Line 24
  *   along with FreeM.  If not, see <https://www.gnu.org/licenses/>.   *   along with FreeM.  If not, see <https://www.gnu.org/licenses/>.
  *   *
  *   $Log$   *   $Log$
    *   Revision 1.13  2025/04/13 04:22:43  snw
    *   Fix snprintf calls
    *
    *   Revision 1.12  2025/04/11 16:23:18  snw
    *   Avoid re-reading the same block consecutively when possible
    *
    *   Revision 1.11  2025/04/11 14:21:03  snw
    *   Make all but one of the read/write calls in global_bltin use gbl_read_block or gbl_write_block
    *
    *   Revision 1.10  2025/04/11 00:52:40  snw
    *   Replace all lseek/read calls in global handler to use gbl_read_block function
    *
    *   Revision 1.9  2025/04/09 14:34:30  snw
    *   Further work on global_bltin.c refactor
    *
  *   Revision 1.8  2025/04/09 00:43:07  snw   *   Revision 1.8  2025/04/09 00:43:07  snw
  *   Exit with fatal error if a header mismatch found   *   Exit with fatal error if a header mismatch found
  *   *
Line 61 Line 76
 #define GBL_HDR_BADVERSION 3  #define GBL_HDR_BADVERSION 3
 #define GBL_HDR_BADBLOCKSIZE 4  #define GBL_HDR_BADBLOCKSIZE 4
   
   #define ROOT 0L
   
   /* end of line symbol in global module is 30, which is a code not */
   /* otherwise used in subscripts                                   */
   #define g_EOL 30
   
   #define EOL1 EOL
   
   /* numerics (('.'<<1)&037)==28 ; (('-'<<1)&037)==26; */
   #define POINT 28
   #define MINUS 26
   
   /* ALPHA and OMEGA are dummy subscripts in $order processing */
   /* ALPHA sorts before all other subscripts                   */
   /* OMEGA sorts after all other subscripts                    */
   /* e.g. ("abc") -> "abc",OMEGA ; ("abc","") -> "abc",ALPHA   */
   #define OMEGA 29
   #define ALPHA 31
   
   /* length of blocks. status bytes defined as offset to blocklength */
   /*      BLOCKLEN 1024           is defined in mpsdef0 include file */
   #define DATALIM (BLOCKLEN-11)
   #define LLPTR   (BLOCKLEN-10)
   #define NRBLK    LLPTR
   #define COLLA   (BLOCKLEN- 7)
   #define RLPTR   (BLOCKLEN- 6)
   #define FREE     RLPTR
   #define BTYP    (BLOCKLEN- 3)
   #define OFFS    (BLOCKLEN- 2)
   
   /* length of blockpointers in bytes */
   #define PLEN     3
   
   #define EMPTY    0
   #define FBLK     1
   #define POINTER  2
   #define BOTTOM   6
   #define DATA     8
   
 typedef struct global_header {  typedef struct global_header {
           
     char magic[5]; /* FRMGL */      char magic[5]; /* FRMGL */
Line 81  typedef struct global_handle { Line 135  typedef struct global_handle {
     int fd; /* file descriptor */      int fd; /* file descriptor */
   
     global_header header;      global_header header;
     long use_count; /* how many times has it been accessed? */     
     long age;      long age;
       long last_read_time;
       
     short opened;      short opened;
     short locked;      short locked;
     unsigned long last_block;      unsigned long last_block;
       short have_cached_block;
       unsigned long cached_block_num;
       
       char *last_block_accessed;
       
       unsigned long use_count; /* how many times has it been accessed? */
       unsigned long read_ops;
       unsigned long write_ops;
       unsigned long memory_reads;
       unsigned long splits;    
       unsigned long cache_misses;
       unsigned long cache_hits;
           
     short fast_path;      short fast_path;
           
Line 98  typedef struct global_handle { Line 166  typedef struct global_handle {
 } global_handle;  } global_handle;
   
 extern global_handle *global_handles_head;  extern global_handle *global_handles_head;
   extern unsigned long gbl_cache_misses;
   extern unsigned long gbl_cache_hits;
   
 extern inline long gbl_path(char *key, char *buf);  extern inline long gbl_path(char *key, char *buf);
   extern void gbl_cache_hit(global_handle *g);
   extern void gbl_cache_miss(global_handle *g);
 extern int gbl_lock(global_handle *g, int type);  extern int gbl_lock(global_handle *g, int type);
 extern int gbl_unlock(global_handle *g);  extern int gbl_unlock(global_handle *g);
 extern void gbl_close(global_handle *g);  extern void gbl_close(global_handle *g);
Line 111  extern int gbl_read_header(global_handle Line 182  extern int gbl_read_header(global_handle
 extern int gbl_update_tid(global_handle *g);  extern int gbl_update_tid(global_handle *g);
 extern int gbl_create(global_handle *g);  extern int gbl_create(global_handle *g);
 extern short gbl_open(global_handle *g, short action);  extern short gbl_open(global_handle *g, short action);
   extern int gbl_read_block(global_handle *g, unsigned long blocknum, char *block);
   extern int gbl_write_block(global_handle *g, unsigned long blocknum, char *block);
 extern global_handle *gbl_handle(char *key);  extern global_handle *gbl_handle(char *key);
   
 #endif  #endif
Removed from v.1.8  
changed lines
  Added in v.1.13

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