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Merge pull request #1694
27c3a0ea
ITS#8582 keep mutex at end of struct (Howard Chu)
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commit
c7750b2570
20
external/db_drivers/liblmdb/mdb.c
vendored
20
external/db_drivers/liblmdb/mdb.c
vendored
@ -809,6 +809,16 @@ typedef struct MDB_txbody {
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uint32_t mtb_magic;
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/** Format of this lock file. Must be set to #MDB_LOCK_FORMAT. */
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uint32_t mtb_format;
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/** The ID of the last transaction committed to the database.
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* This is recorded here only for convenience; the value can always
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* be determined by reading the main database meta pages.
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*/
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volatile txnid_t mtb_txnid;
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/** The number of slots that have been used in the reader table.
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* This always records the maximum count, it is not decremented
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* when readers release their slots.
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*/
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volatile unsigned mtb_numreaders;
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#if defined(_WIN32) || defined(MDB_USE_POSIX_SEM)
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char mtb_rmname[MNAME_LEN];
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#elif defined(MDB_USE_SYSV_SEM)
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@ -820,16 +830,6 @@ typedef struct MDB_txbody {
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*/
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mdb_mutex_t mtb_rmutex;
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#endif
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/** The ID of the last transaction committed to the database.
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* This is recorded here only for convenience; the value can always
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* be determined by reading the main database meta pages.
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*/
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volatile txnid_t mtb_txnid;
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/** The number of slots that have been used in the reader table.
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* This always records the maximum count, it is not decremented
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* when readers release their slots.
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*/
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volatile unsigned mtb_numreaders;
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} MDB_txbody;
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/** The actual reader table definition. */
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