NextGraph
/
lmdb
mirror of https://github.com/nextgraph-org/lmdb.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Refreshed MDB_VL32 variant

Browse Source 
Should be fully compatible with 64-bit DBs
vl32b
Howard Chu 9 years ago
parent 4198bbde17
commit fab89e678c
8 changed files with 250 additions and 30 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 3
      libraries/liblmdb/Makefile
  2. 26
      libraries/liblmdb/lmdb.h
  3. 206
      libraries/liblmdb/mdb.c
  4. 7
      libraries/liblmdb/mdb_dump.c
  5. 7
      libraries/liblmdb/mdb_load.c
  6. 21
      libraries/liblmdb/mdb_stat.c
  7. 8
      libraries/liblmdb/midl.h
  8. 2
      libraries/liblmdb/mtest.c

3
libraries/liblmdb/Makefile
Unescape View File

@ -18,11 +18,12 @@
# There may be other macros in mdb.c of interest. You should
# read mdb.c before changing any of them.
#
CC = gcc
CC = gcc -m32
AR = ar
W = -W -Wall -Wno-unused-parameter -Wbad-function-cast -Wuninitialized
THREADS = -pthread
OPT = -O2 -g
XCFLAGS = -DMDB_VL32
CFLAGS = $(THREADS) $(OPT) $(W) $(XCFLAGS)
LDLIBS = # -lntdll # Windows needs ntdll
SOLIBS = # -lntdll

26
libraries/liblmdb/lmdb.h
Unescape View File

@ -170,6 +170,14 @@ typedef int mdb_mode_t;
typedef mode_t mdb_mode_t;
#endif
#define MDB_VL32 1
#ifdef MDB_VL32
typedef u_int64_t mdb_size_t;
#else
typedef size_t mdb_size_t;
#endif
/** An abstraction for a file handle.
* On POSIX systems file handles are small integers. On Windows
* they're opaque pointers.
@ -447,18 +455,18 @@ typedef struct MDB_stat {
unsigned int ms_psize; /**< Size of a database page.
This is currently the same for all databases. */
unsigned int ms_depth; /**< Depth (height) of the B-tree */
size_t ms_branch_pages; /**< Number of internal (non-leaf) pages */
size_t ms_leaf_pages; /**< Number of leaf pages */
size_t ms_overflow_pages; /**< Number of overflow pages */
size_t ms_entries; /**< Number of data items */
mdb_size_t ms_branch_pages; /**< Number of internal (non-leaf) pages */
mdb_size_t ms_leaf_pages; /**< Number of leaf pages */
mdb_size_t ms_overflow_pages; /**< Number of overflow pages */
mdb_size_t ms_entries; /**< Number of data items */
} MDB_stat;
/** @brief Information about the environment */
typedef struct MDB_envinfo {
void *me_mapaddr; /**< Address of map, if fixed */
size_t me_mapsize; /**< Size of the data memory map */
size_t me_last_pgno; /**< ID of the last used page */
size_t me_last_txnid; /**< ID of the last committed transaction */
mdb_size_t me_mapsize; /**< Size of the data memory map */
mdb_size_t me_last_pgno; /**< ID of the last used page */
mdb_size_t me_last_txnid; /**< ID of the last committed transaction */
unsigned int me_maxreaders; /**< max reader slots in the environment */
unsigned int me_numreaders; /**< max reader slots used in the environment */
} MDB_envinfo;
@ -825,7 +833,7 @@ int mdb_env_get_fd(MDB_env *env, mdb_filehandle_t *fd);
* an active write transaction.
* </ul>
*/
int mdb_env_set_mapsize(MDB_env *env, size_t size);
int mdb_env_set_mapsize(MDB_env *env, mdb_size_t size);
/** @brief Set the maximum number of threads/reader slots for the environment.
*
@ -974,7 +982,7 @@ MDB_env *mdb_txn_env(MDB_txn *txn);
* @param[in] txn A transaction handle returned by #mdb_txn_begin()
* @return A transaction ID, valid if input is an active transaction.
*/
size_t mdb_txn_id(MDB_txn *txn);
mdb_size_t mdb_txn_id(MDB_txn *txn);
/** @brief Commit all the operations of a transaction into the database.
*

206
libraries/liblmdb/mdb.c
Unescape View File

@ -35,6 +35,9 @@
#ifndef _GNU_SOURCE
#define _GNU_SOURCE 1
#endif
#ifdef MDB_VL32
#define _FILE_OFFSET_BITS 64
#endif
#ifdef _WIN32
#include <malloc.h>
#include <windows.h>
@ -452,6 +455,12 @@ typedef pthread_mutex_t mdb_mutex_t[1], *mdb_mutexref_t;
#define GET_PAGESIZE(x) ((x) = sysconf(_SC_PAGE_SIZE))
#endif
#ifdef MDB_VL32
#define Y "ll"
#else
#define Y Z
#endif
#if defined(_WIN32) || defined(MDB_USE_POSIX_SEM)
#define MNAME_LEN 32
#elif defined(MDB_USE_SYSV_SEM)
@ -1062,7 +1071,7 @@ typedef struct MDB_db {
pgno_t md_branch_pages; /**< number of internal pages */
pgno_t md_leaf_pages; /**< number of leaf pages */
pgno_t md_overflow_pages; /**< number of overflow pages */
size_t md_entries; /**< number of data items */
pgno_t md_entries; /**< number of data items */
pgno_t md_root; /**< the root page of this tree */
} MDB_db;
@ -1092,8 +1101,16 @@ typedef struct MDB_meta {
uint32_t mm_magic;
/** Version number of this file. Must be set to #MDB_DATA_VERSION. */
uint32_t mm_version;
#ifdef MDB_VL32
union { /* always zero since we don't support fixed mapping in MDB_VL32 */
MDB_ID mmun_ull;
void *mmun_address;
} mm_un;
#define mm_address mm_un.mmun_address
#else
void *mm_address; /**< address for fixed mapping */
size_t mm_mapsize; /**< size of mmap region */
#endif
pgno_t mm_mapsize; /**< size of mmap region */
MDB_db mm_dbs[CORE_DBS]; /**< first is free space, 2nd is main db */
/** The size of pages used in this DB */
#define mm_psize mm_dbs[FREE_DBI].md_pad
@ -1182,6 +1199,10 @@ struct MDB_txn {
MDB_cursor **mt_cursors;
/** Array of flags for each DB */
unsigned char *mt_dbflags;
#ifdef MDB_VL32
/** List of read-only pages */
MDB_ID2L mt_rpages;
#endif
/** Number of DB records in use, or 0 when the txn is finished.
* This number only ever increments until the txn finishes; we
* don't decrement it when individual DB handles are closed.
@ -1294,6 +1315,9 @@ struct MDB_env {
HANDLE me_fd; /**< The main data file */
HANDLE me_lfd; /**< The lock file */
HANDLE me_mfd; /**< just for writing the meta pages */
#if defined(MDB_VL32) && defined(_WIN32)
HANDLE me_fmh; /**< File Mapping handle */
#endif
/** Failed to update the meta page. Probably an I/O error. */
#define MDB_FATAL_ERROR 0x80000000U
/** Some fields are initialized. */
@ -1318,7 +1342,7 @@ struct MDB_env {
void *me_pbuf; /**< scratch area for DUPSORT put() */
MDB_txn *me_txn; /**< current write transaction */
MDB_txn *me_txn0; /**< prealloc'd write transaction */
size_t me_mapsize; /**< size of the data memory map */
mdb_size_t me_mapsize; /**< size of the data memory map */
off_t me_size; /**< current file size */
pgno_t me_maxpg; /**< me_mapsize / me_psize */
MDB_dbx *me_dbxs; /**< array of static DB info */
@ -2552,6 +2576,20 @@ done:
}
}
}
#ifdef MDB_VL32
{
MDB_ID2L rl = mc->mc_txn->mt_rpages;
unsigned x = mdb_mid2l_search(rl, mp->mp_pgno);
if (x <= rl[0].mid && rl[x].mid == mp->mp_pgno) {
munmap(mp, mc->mc_txn->mt_env->me_psize);
while (x < rl[0].mid) {
rl[x] = rl[x+1];
x++;
}
rl[0].mid--;
}
}
#endif
return 0;
fail:
@ -2666,6 +2704,22 @@ mdb_cursors_close(MDB_txn *txn, unsigned merge)
}
cursors[i] = NULL;
}
#ifdef MDB_VL32
{
unsigned i, n = txn->mt_rpages[0].mid;
for (i = 1; i <= n; i++) {
#ifdef _WIN32
UnmapViewOfFile(txn->mt_rpages[i].mptr);
#else
MDB_page *mp = txn->mt_rpages[i].mptr;
int size = txn->mt_env->me_psize;
if (IS_OVERFLOW(mp)) size *= mp->mp_pages;
munmap(mp, size);
#endif
}
}
txn->mt_rpages[0].mid = 0;
#endif
}
#if !(MDB_PIDLOCK) /* Currently the same as defined(_WIN32) */
@ -2911,6 +2965,15 @@ mdb_txn_begin(MDB_env *env, MDB_txn *parent, unsigned int flags, MDB_txn **ret)
DPRINTF(("calloc: %s", strerror(errno)));
return ENOMEM;
}
#ifdef MDB_VL32
if (!parent) {
txn->mt_rpages = calloc(MDB_IDL_UM_SIZE, sizeof(MDB_ID2));
if (!txn->mt_rpages) {
free(txn);
return ENOMEM;
}
}
#endif
txn->mt_dbxs = env->me_dbxs; /* static */
txn->mt_dbs = (MDB_db *) ((char *)txn + tsize);
txn->mt_dbflags = (unsigned char *)txn + size - env->me_maxdbs;
@ -2938,6 +3001,9 @@ mdb_txn_begin(MDB_env *env, MDB_txn *parent, unsigned int flags, MDB_txn **ret)
parent->mt_child = txn;
txn->mt_parent = parent;
txn->mt_numdbs = parent->mt_numdbs;
#ifdef MDB_VL32
txn->mt_rpages = parent->mt_rpages;
#endif
memcpy(txn->mt_dbs, parent->mt_dbs, txn->mt_numdbs * sizeof(MDB_db));
/* Copy parent's mt_dbflags, but clear DB_NEW */
for (i=0; i<txn->mt_numdbs; i++)
@ -2963,8 +3029,12 @@ renew:
rc = mdb_txn_renew0(txn);
}
if (rc) {
if (txn != env->me_txn0)
if (txn != env->me_txn0) {
#ifdef MDB_VL32
free(txn->mt_rpages);
#endif
free(txn);
}
} else {
txn->mt_flags |= flags; /* could not change txn=me_txn0 earlier */
*ret = txn;
@ -2983,7 +3053,7 @@ mdb_txn_env(MDB_txn *txn)
return txn->mt_env;
}
size_t
mdb_size_t
mdb_txn_id(MDB_txn *txn)
{
if(!txn) return 0;
@ -3090,9 +3160,13 @@ mdb_txn_end(MDB_txn *txn, unsigned mode)
mdb_midl_free(pghead);
}
if (mode & MDB_END_FREE)
if (mode & MDB_END_FREE) {
#ifdef MDB_VL32
free(txn->mt_rpages);
#endif
free(txn);
}
}
void
mdb_txn_reset(MDB_txn *txn)
@ -3837,7 +3911,7 @@ mdb_env_write_meta(MDB_txn *txn)
MDB_env *env;
MDB_meta meta, metab, *mp;
unsigned flags;
size_t mapsize;
mdb_size_t mapsize;
off_t off;
int rc, len, toggle;
char *ptr;
@ -4014,12 +4088,29 @@ mdb_env_map(MDB_env *env, void *addr)
if (rc)
return rc;
map = addr;
#ifdef MDB_VL32
msize = 2 * env->me_psize;
#else
msize = env->me_mapsize;
#endif
rc = NtMapViewOfSection(mh, GetCurrentProcess(), &map, 0, 0, NULL, &msize, ViewUnmap, MEM_RESERVE, pageprot);
#ifdef MDB_VL32
env->me_fmh = mh;
#else
NtClose(mh);
#endif
if (rc)
return rc;
env->me_map = map;
#else
#ifdef MDB_VL32
(void) flags;
env->me_map = mmap(addr, 2 * env->me_psize, PROT_READ, MAP_SHARED,
env->me_fd, 0);
if (env->me_map == MAP_FAILED) {
env->me_map = NULL;
return ErrCode();
}
#else
int prot = PROT_READ;
if (flags & MDB_WRITEMAP) {
@ -4053,6 +4144,7 @@ mdb_env_map(MDB_env *env, void *addr)
*/
if (addr && env->me_map != addr)
return EBUSY; /* TODO: Make a new MDB_* error code? */
#endif
p = (MDB_page *)env->me_map;
env->me_metas[0] = METADATA(p);
@ -4062,7 +4154,7 @@ mdb_env_map(MDB_env *env, void *addr)
}
int ESECT
mdb_env_set_mapsize(MDB_env *env, size_t size)
mdb_env_set_mapsize(MDB_env *env, mdb_size_t size)
{
/* If env is already open, caller is responsible for making
* sure there are no active txns.
@ -4849,6 +4941,17 @@ mdb_env_open(MDB_env *env, const char *path, unsigned int flags, mdb_mode_t mode
if (env->me_fd!=INVALID_HANDLE_VALUE || (flags & ~(CHANGEABLE|CHANGELESS)))
return EINVAL;
#ifdef MDB_VL32
if (flags & MDB_WRITEMAP) {
/* silently ignore WRITEMAP in 32 bit mode */
flags ^= MDB_WRITEMAP;
}
if (flags & MDB_FIXEDMAP) {
/* cannot support FIXEDMAP */
return EINVAL;
}
#endif
len = strlen(path);
if (flags & MDB_NOSUBDIR) {
rc = len + sizeof(LOCKSUFF) + len + 1;
@ -4972,6 +5075,13 @@ mdb_env_open(MDB_env *env, const char *path, unsigned int flags, mdb_mode_t mode
txn->mt_dbiseqs = (unsigned int *)(txn->mt_cursors + env->me_maxdbs);
txn->mt_dbflags = (unsigned char *)(txn->mt_dbiseqs + env->me_maxdbs);
txn->mt_env = env;
#ifdef MDB_VL32
txn->mt_rpages = calloc(MDB_IDL_UM_SIZE, sizeof(MDB_ID2));
if (!txn->mt_rpages) {
free(txn);
rc = ENOMEM;
}
#endif
txn->mt_dbxs = env->me_dbxs;
txn->mt_flags = MDB_TXN_FINISHED;
env->me_txn0 = txn;
@ -5027,7 +5137,11 @@ mdb_env_close0(MDB_env *env, int excl)
}
if (env->me_map) {
#ifdef MDB_VL32
munmap(env->me_map, 2*env->me_psize);
#else
munmap(env->me_map, env->me_mapsize);
#endif
}
if (env->me_mfd != env->me_fd && env->me_mfd != INVALID_HANDLE_VALUE)
(void) close(env->me_mfd);
@ -5404,7 +5518,60 @@ mdb_page_get(MDB_txn *txn, pgno_t pgno, MDB_page **ret, int *lvl)
if (pgno < txn->mt_next_pgno) {
level = 0;
#ifdef MDB_VL32
{
unsigned x = mdb_mid2l_search(txn->mt_rpages, pgno);
if (x <= txn->mt_rpages[0].mid && txn->mt_rpages[x].mid == pgno) {
p = txn->mt_rpages[x].mptr;
goto done;
}
if (txn->mt_rpages[0].mid >= MDB_IDL_UM_MAX) {
/* unmap some other page */
mdb_tassert(txn, 0);
}
if (txn->mt_rpages[0].mid < MDB_IDL_UM_SIZE) {
MDB_ID2 id2;
size_t len = env->me_psize;
int np;
#ifdef _WIN32
off_t off = pgno * env->me_psize;
DWORD lo, hi;
lo = off & 0xffffffff;
hi = off >> 16 >> 16;
p = MapViewOfFile(env->me_fmh, FILE_MAP_READ, hi, lo, len);
if (p == NULL)
return ErrCode();
if (IS_OVERFLOW(p)) {
np = p->mp_pages;
UnmapViewOfFile(p);
len *= np;
p = MapViewOfFile(env->me_fmh, FILE_MAP_READ, hi, lo, len);
if (p == NULL)
return ErrCode();
}
#else
off_t off = pgno * env->me_psize;
p = mmap(NULL, len, PROT_READ, MAP_SHARED, env->me_fd, off);
if (p == MAP_FAILED)
return errno;
if (IS_OVERFLOW(p)) {
np = p->mp_pages;
munmap(p, len);
len *= np;
p = mmap(NULL, len, PROT_READ, MAP_SHARED, env->me_fd, off);
if (p == MAP_FAILED)
return errno;
}
#endif
id2.mid = pgno;
id2.mptr = p;
mdb_mid2l_insert(txn->mt_rpages, &id2);
goto done;
}
}
#else
p = (MDB_page *)(env->me_map + env->me_psize * pgno);
#endif
} else {
DPRINTF(("page %"Z"u not found", pgno));
txn->mt_flags |= MDB_TXN_ERROR;
@ -5739,11 +5906,17 @@ mdb_cursor_sibling(MDB_cursor *mc, int move_right)
int rc;
MDB_node *indx;
MDB_page *mp;
#ifdef MDB_VL32
MDB_page *op;
#endif
if (mc->mc_snum < 2) {
return MDB_NOTFOUND; /* root has no siblings */
}
#ifdef MDB_VL32
op = mc->mc_pg[mc->mc_top];
#endif
mdb_cursor_pop(mc);
DPRINTF(("parent page is page %"Z"u, index %u",
mc->mc_pg[mc->mc_top]->mp_pgno, mc->mc_ki[mc->mc_top]));
@ -5768,6 +5941,21 @@ mdb_cursor_sibling(MDB_cursor *mc, int move_right)
}
mdb_cassert(mc, IS_BRANCH(mc->mc_pg[mc->mc_top]));
#ifdef MDB_VL32
{
MDB_ID2L rl = mc->mc_txn->mt_rpages;
unsigned x = mdb_mid2l_search(rl, op->mp_pgno);
if (x <= rl[0].mid && rl[x].mid == op->mp_pgno) {
munmap(op, mc->mc_txn->mt_env->me_psize);
while (x < rl[0].mid) {
rl[x] = rl[x+1];
x++;
}
rl[0].mid--;
}
}
#endif
indx = NODEPTR(mc->mc_pg[mc->mc_top], mc->mc_ki[mc->mc_top]);
if ((rc = mdb_page_get(mc->mc_txn, NODEPGNO(indx), &mp, NULL)) != 0) {
/* mc will be inconsistent if caller does mc_snum++ as above */
@ -9977,7 +10165,7 @@ mdb_reader_list(MDB_env *env, MDB_msg_func *func, void *ctx)
if (mr[i].mr_pid) {
txnid_t txnid = mr[i].mr_txnid;
sprintf(buf, txnid == (txnid_t)-1 ?
"%10d %"Z"x -\n" : "%10d %"Z"x %"Z"u\n",
"%10d %"Z"x -\n" : "%10d %"Z"x %"Y"u\n",
(int)mr[i].mr_pid, (size_t)mr[i].mr_tid, txnid);
if (first) {
first = 0;

7
libraries/liblmdb/mdb_dump.c
Unescape View File

@ -25,6 +25,11 @@
#else
#define Z "z"
#endif
#ifdef MDB_VL32
#define Y "ll"
#else
#define Y Z
#endif
#define PRINT 1
static int mode;
@ -115,7 +120,7 @@ static int dumpit(MDB_txn *txn, MDB_dbi dbi, char *name)
if (name)
printf("database=%s\n", name);
printf("type=btree\n");
printf("mapsize=%" Z "u\n", info.me_mapsize);
printf("mapsize=%" Y "u\n", info.me_mapsize);
if (info.me_mapaddr)
printf("mapaddr=%p\n", info.me_mapaddr);
printf("maxreaders=%u\n", info.me_maxreaders);

7
libraries/liblmdb/mdb_load.c
Unescape View File

@ -43,6 +43,11 @@ static MDB_val kbuf, dbuf;
#else
#define Z "z"
#endif
#ifdef MDB_VL32
#define Y "ll"
#else
#define Y Z
#endif
#define STRLENOF(s) (sizeof(s)-1)
@ -112,7 +117,7 @@ static void readhdr(void)
int i;
ptr = memchr(dbuf.mv_data, '\n', dbuf.mv_size);
if (ptr) *ptr = '\0';
i = sscanf((char *)dbuf.mv_data+STRLENOF("mapsize="), "%" Z "u", &info.me_mapsize);
i = sscanf((char *)dbuf.mv_data+STRLENOF("mapsize="), "%" Y "u", &info.me_mapsize);
if (i != 1) {
fprintf(stderr, "%s: line %" Z "d: invalid mapsize %s\n",
prog, lineno, (char *)dbuf.mv_data+STRLENOF("mapsize="));

21
libraries/liblmdb/mdb_stat.c
Unescape View File

@ -22,6 +22,11 @@
#else
#define Z "z"
#endif
#ifdef MDB_VL32
#define Y "ll"
#else
#define Y Z
#endif
static void prstat(MDB_stat *ms)
{
@ -29,10 +34,10 @@ static void prstat(MDB_stat *ms)
printf(" Page size: %u\n", ms->ms_psize);
#endif
printf(" Tree depth: %u\n", ms->ms_depth);
printf(" Branch pages: %"Z"u\n", ms->ms_branch_pages);
printf(" Leaf pages: %"Z"u\n", ms->ms_leaf_pages);
printf(" Overflow pages: %"Z"u\n", ms->ms_overflow_pages);
printf(" Entries: %"Z"u\n", ms->ms_entries);
printf(" Branch pages: %"Y"u\n", ms->ms_branch_pages);
printf(" Leaf pages: %"Y"u\n", ms->ms_leaf_pages);
printf(" Overflow pages: %"Y"u\n", ms->ms_overflow_pages);
printf(" Entries: %"Y"u\n", ms->ms_entries);
}
static void usage(char *prog)
@ -125,11 +130,11 @@ int main(int argc, char *argv[])
(void)mdb_env_info(env, &mei);
printf("Environment Info\n");
printf(" Map address: %p\n", mei.me_mapaddr);
printf(" Map size: %"Z"u\n", mei.me_mapsize);
printf(" Map size: %"Y"u\n", mei.me_mapsize);
printf(" Page size: %u\n", mst.ms_psize);
printf(" Max pages: %"Z"u\n", mei.me_mapsize / mst.ms_psize);
printf(" Number of pages used: %"Z"u\n", mei.me_last_pgno+1);
printf(" Last transaction ID: %"Z"u\n", mei.me_last_txnid);
printf(" Max pages: %"Y"u\n", mei.me_mapsize / mst.ms_psize);
printf(" Number of pages used: %"Y"u\n", mei.me_last_pgno+1);
printf(" Last transaction ID: %"Y"u\n", mei.me_last_txnid);
printf(" Max readers: %u\n", mei.me_maxreaders);
printf(" Number of readers used: %u\n", mei.me_numreaders);
}

8
libraries/liblmdb/midl.h
Unescape View File

@ -42,7 +42,11 @@ extern "C" {
/** A generic unsigned ID number. These were entryIDs in back-bdb.
* Preferably it should have the same size as a pointer.
*/
#ifdef MDB_VL32
typedef u_int64_t MDB_ID;
#else
typedef size_t MDB_ID;
#endif
/** An IDL is an ID List, a sorted array of IDs. The first
* element of the array is a counter for how many actual
@ -55,7 +59,11 @@ typedef MDB_ID *MDB_IDL;
/* IDL sizes - likely should be even bigger
* limiting factors: sizeof(ID), thread stack size
*/
#ifdef MDB_VL32
#define MDB_IDL_LOGN 10 /* DB_SIZE is 2^10, UM_SIZE is 2^11 */
#else
#define MDB_IDL_LOGN 16 /* DB_SIZE is 2^16, UM_SIZE is 2^17 */
#endif
#define MDB_IDL_DB_SIZE (1<<MDB_IDL_LOGN)
#define MDB_IDL_UM_SIZE (1<<(MDB_IDL_LOGN+1))

2
libraries/liblmdb/mtest.c
Unescape View File

@ -47,7 +47,7 @@ int main(int argc,char * argv[])
E(mdb_env_create(&env));
E(mdb_env_set_maxreaders(env, 1));
E(mdb_env_set_mapsize(env, 10485760));
E(mdb_env_open(env, "./testdb", MDB_FIXEDMAP /*|MDB_NOSYNC*/, 0664));
E(mdb_env_open(env, "./testdb", 0 /*MDB_FIXEDMAP */ /*|MDB_NOSYNC*/, 0664));
E(mdb_txn_begin(env, NULL, 0, &txn));
E(mdb_dbi_open(txn, NULL, 0, &dbi));

Write Preview
Loading…
Cancel
Save