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mdbx-chk: directly use mdbx_txn_lock() for write/recovery mode.

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This commit is contained in:
Leo Yuriev 2018-03-20 21:37:34 +03:00
parent 8d748a845b
commit dd6cb30820
1 changed files with 18 additions and 7 deletions
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25
src/tools/mdbx_chk.c
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@ -763,6 +763,7 @@ int main(int argc, char *argv[]) {
char *envname; char *envname;
int problems_maindb = 0, problems_freedb = 0, problems_meta = 0; int problems_maindb = 0, problems_freedb = 0, problems_meta = 0;
int dont_traversal = 0; int dont_traversal = 0;
bool locked = false;
double elapsed; double elapsed;
#if defined(_WIN32) || defined(_WIN64) #if defined(_WIN32) || defined(_WIN64)
@ -862,10 +863,18 @@ int main(int argc, char *argv[]) {
if (verbose) if (verbose)
print(" - %s mode\n", exclusive ? "monopolistic" : "cooperative"); print(" - %s mode\n", exclusive ? "monopolistic" : "cooperative");
rc = mdbx_txn_begin(env, NULL, envflags & MDBX_RDONLY, &txn); if ((envflags & MDBX_RDONLY) == 0) {
rc = mdbx_txn_lock(env, false);
if (rc != MDBX_SUCCESS) {
error("mdbx_txn_lock failed, error %d %s\n", rc, mdbx_strerror(rc));
goto bailout;
}
locked = true;
}
rc = mdbx_txn_begin(env, NULL, MDBX_RDONLY, &txn);
if (rc) { if (rc) {
error("mdbx_txn_begin(read-%s) failed, error %d %s\n", error("mdbx_txn_begin() failed, error %d %s\n", rc, mdbx_strerror(rc));
(envflags & MDBX_RDONLY) ? "only" : "write", rc, mdbx_strerror(rc));
goto bailout; goto bailout;
} }
@ -941,14 +950,14 @@ int main(int argc, char *argv[]) {
if (verbose) if (verbose)
print(" - performs full check recent-txn-id with meta-pages\n"); print(" - performs full check recent-txn-id with meta-pages\n");
problems_meta += check_meta_head(true); problems_meta += check_meta_head(true);
} else if (mdbx_txn_flags(txn) & MDBX_RDONLY) { } else if (locked) {
print(" - skip check recent-txn-id with meta-pages (monopolistic or "
"read-write mode only)\n");
} else if (verbose) {
if (verbose) if (verbose)
print(" - performs lite check recent-txn-id with meta-pages (not a " print(" - performs lite check recent-txn-id with meta-pages (not a "
"monopolistic mode)\n"); "monopolistic mode)\n");
problems_meta += check_meta_head(false); problems_meta += check_meta_head(false);
} else if (verbose) {
print(" - skip check recent-txn-id with meta-pages (monopolistic or "
"read-write mode only)\n");
} }
if (!dont_traversal) { if (!dont_traversal) {
@ -1093,6 +1102,8 @@ int main(int argc, char *argv[]) {
bailout: bailout:
if (txn) if (txn)
mdbx_txn_abort(txn); mdbx_txn_abort(txn);
if (locked)
mdbx_txn_unlock(env);
if (env) if (env)
mdbx_env_close(env); mdbx_env_close(env);
fflush(NULL); fflush(NULL);