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mdbx: re-enable usage of lck-file in MDBX_EXCLUSIVE mode.

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Otherwise we should prohibit running read-only and write
transactions simultaneously, but no reliable way to do this.

Change-Id: I8805f10b37ffcddb612d869309b1cd5e04cfcc1e
This commit is contained in:
Leonid Yuriev 2018-10-14 18:13:40 +03:00
parent 582adda628
commit 30a80ff07c
1 changed files with 1 additions and 3 deletions
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src/mdbx.c
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@ -6191,9 +6191,7 @@ static int __cold mdbx_setup_lck(MDBX_env *env, char *lck_pathname,
mdbx_assert(env, env->me_fd != INVALID_HANDLE_VALUE);
mdbx_assert(env, env->me_lfd == INVALID_HANDLE_VALUE);
const int open_flags =
(env->me_flags & MDBX_EXCLUSIVE) ? O_RDWR : O_RDWR | O_CREAT;
int err = mdbx_openfile(lck_pathname, open_flags, mode, &env->me_lfd,
int err = mdbx_openfile(lck_pathname, O_RDWR | O_CREAT, mode, &env->me_lfd,
(env->me_flags & MDBX_EXCLUSIVE) ? true : false);
if (err != MDBX_SUCCESS) {
if (!(err == MDBX_ENOFILE && (env->me_flags & MDBX_EXCLUSIVE)) &&