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mdbx: use mdbx_jitter4testing() for race detection.

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Leo Yuriev
2017-04-27 15:51:58 +03:00
parent 7204c46421
commit 4b2cb66453
3 changed files with 34 additions and 17 deletions
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3
src/bits.h
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@@ -815,8 +815,11 @@ int mdbx_reader_check0(MDB_env *env, int rlocked, int *dead);
(&((MDB_metabuf *)((env)->me_map + env->me_psize))->mb_metabuf.mm_meta)
static __inline MDB_meta *mdbx_meta_head(MDB_env *env) {
mdbx_jitter4testing(true);
MDB_meta *a = METAPAGE_1(env);
mdbx_jitter4testing(true);
MDB_meta *b = METAPAGE_2(env);
mdbx_jitter4testing(true);
return (a->mm_txnid > b->mm_txnid) ? a : b;
}