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mdbx: more pid and MDBX_FATAL_ERROR checks.

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Change-Id: Ifa223f270312cb7bbba01bdb76173f8230efb91b
This commit is contained in:
Leo Yuriev 2018-01-09 21:14:42 +03:00
parent c0be0d6fb7
commit abcacea543
1 changed files with 10 additions and 3 deletions
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13
src/mdbx.c
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@ -2743,10 +2743,11 @@ int mdbx_txn_begin(MDBX_env *env, MDBX_txn *parent, unsigned flags,
if (unlikely(env->me_signature != MDBX_ME_SIGNATURE))
return MDBX_EBADSIGN;
if (unlikely(env->me_pid != mdbx_getpid())) {
if (unlikely(env->me_pid != mdbx_getpid()))
env->me_flags |= MDBX_FATAL_ERROR;
if (unlikely(env->me_flags & MDBX_FATAL_ERROR))
return MDBX_PANIC;
}
if (unlikely(!env->me_map))
return MDBX_EPERM;
@ -4513,6 +4514,12 @@ LIBMDBX_API int mdbx_env_set_geometry(MDBX_env *env, intptr_t size_lower,
if (unlikely(env->me_signature != MDBX_ME_SIGNATURE))
return MDBX_EBADSIGN;
if (unlikely(env->me_pid != mdbx_getpid()))
env->me_flags |= MDBX_FATAL_ERROR;
if (unlikely(env->me_flags & MDBX_FATAL_ERROR))
return MDBX_PANIC;
const bool inside_txn =
(env->me_txn0 && env->me_txn0->mt_owner == mdbx_thread_self());
@ -5452,7 +5459,7 @@ int __cold mdbx_env_close_ex(MDBX_env *env, int dont_sync) {
if (unlikely(env->me_signature != MDBX_ME_SIGNATURE))
return MDBX_EBADSIGN;
if (env->me_lck && (env->me_flags & MDBX_RDONLY) == 0) {
if (env->me_lck && (env->me_flags & (MDBX_RDONLY | MDBX_FATAL_ERROR)) == 0) {
if (env->me_txn0 && env->me_txn0->mt_owner &&
env->me_txn0->mt_owner != mdbx_thread_self())
return MDBX_BUSY;