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ITS#7969 Wrap unportable __sync_synchronize in #if

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Hallvard Furuseth 2015-07-03 22:38:50 +02:00
parent 943b23f011
commit a937740aa0
1 changed files with 2 additions and 1 deletions
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3
libraries/liblmdb/mdb.c
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@ -3744,7 +3744,8 @@ mdb_env_write_meta(MDB_txn *txn)
mp->mm_dbs[0] = txn->mt_dbs[0]; mp->mm_dbs[0] = txn->mt_dbs[0];
mp->mm_dbs[1] = txn->mt_dbs[1]; mp->mm_dbs[1] = txn->mt_dbs[1];
mp->mm_last_pg = txn->mt_next_pgno - 1; mp->mm_last_pg = txn->mt_next_pgno - 1;
#if !(defined(_MSC_VER) || defined(__i386__) || defined(__x86_64__)) #if (__GNUC__ * 100 + __GNUC_MINOR__ >= 404) && /* TODO: portability */ \
!(defined(__i386__) || defined(__x86_64__))
/* LY: issue a memory barrier, if not x86. ITS#7969 */ /* LY: issue a memory barrier, if not x86. ITS#7969 */
__sync_synchronize(); __sync_synchronize();
#endif #endif