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Add mdb_version()

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This commit is contained in:
Howard Chu 2011-08-11 23:20:16 -07:00
parent 76d7ca8ce0
commit f9f0ec92a9
2 changed files with 23 additions and 6 deletions
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17
libraries/libmdb/mdb.c
View File

@ -437,6 +437,15 @@ memnrcmp(const void *s1, size_t n1, const void *s2, size_t n2)
return *p1 - *p2;
}
char *
mdb_version(int *maj, int *min, int *pat)
{
*maj = MDB_VERSION_MAJOR;
*min = MDB_VERSION_MINOR;
*pat = MDB_VERSION_PATCH;
return MDB_VERSION_STRING;
}
int
mdb_cmp(MDB_txn *txn, MDB_dbi dbi, const MDB_val *a, const MDB_val *b)
{
@ -596,10 +605,10 @@ mdb_touch(MDB_txn *txn, MDB_pageparent *pp)
}
int
mdb_env_sync(MDB_env *env)
mdb_env_sync(MDB_env *env, int force)
{
int rc = 0;
if (!F_ISSET(env->me_flags, MDB_NOSYNC)) {
if (force || !F_ISSET(env->me_flags, MDB_NOSYNC)) {
if (fsync(env->me_fd))
rc = errno;
}
@ -899,9 +908,9 @@ mdb_txn_commit(MDB_txn *txn)
free(dp);
}
if ((n = mdb_env_sync(env)) != 0 ||
if ((n = mdb_env_sync(env, 0)) != 0 ||
(n = mdb_env_write_meta(txn)) != MDB_SUCCESS ||
(n = mdb_env_sync(env)) != 0) {
(n = mdb_env_sync(env, 0)) != 0) {
mdb_txn_abort(txn);
return n;
}

12
libraries/libmdb/mdb.h
View File

@ -35,7 +35,14 @@
#define MDB_VERSION_MAJOR 0
#define MDB_VERSION_MINOR 8
#define MDB_VERSION_PATCH 0
#define MDB_VERSION_FULL ((MDB_VERSION_MAJOR << 24) | (MDB_VERSION_MINOR << 16) | MDB_VERSION_PATCH)
#define MDB_VERINT(a,b,c) ((a << 24) | (b << 16) | c)
#define MDB_VERSION_FULL \
MDB_VERINT(MDB_VERSION_MAJOR,MDB_VERSION_MINOR,MDB_VERSION_PATCH)
#define MDB_VERSION_DATE "August 11, 2011"
#define MDB_VERSTR(a,b,c,d) "MDB " #a "." #b "." #c ": (" #d ")"
#define MDB_VERFOO(a,b,c,d) MDB_VERSTR(a,b,c,d)
#define MDB_VERSION_STRING \
MDB_VERFOO(MDB_VERSION_MAJOR,MDB_VERSION_MINOR,MDB_VERSION_PATCH,MDB_VERSION_DATE)
struct MDB_cursor;
struct MDB_txn;
@ -103,10 +110,11 @@ typedef struct MDB_stat {
unsigned long ms_entries;
} MDB_stat;
char *mdb_version(int *major, int *minor, int *patch);
int mdb_env_create(MDB_env **env);
int mdb_env_open(MDB_env *env, const char *path, unsigned int flags, mode_t mode);
int mdb_env_stat(MDB_env *env, MDB_stat *stat);
int mdb_env_sync(MDB_env *env);
int mdb_env_sync(MDB_env *env, int force);
void mdb_env_close(MDB_env *env);
int mdb_env_get_flags(MDB_env *env, unsigned int *flags);
int mdb_env_get_path(MDB_env *env, const char **path);