Add mdb_version()

diff --git a/libraries/libmdb/mdb.c b/libraries/libmdb/mdb.c
index c37a21bc7038eb8f9d6e98470dfea22ea0090a68..b0b572dfefb7fdac13ef2f9583a6ebf89cd90f09 100644 (file)
--- a/libraries/libmdb/mdb.c
+++ b/libraries/libmdb/mdb.c
@@ -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;
        }

diff --git a/libraries/libmdb/mdb.h b/libraries/libmdb/mdb.h
index dc9bf5f23661470855e12538b33d4964962909d7..dfd35a020cc9c6086aa47a2d33e6edfd6662131e 100644 (file)
--- a/libraries/libmdb/mdb.h
+++ b/libraries/libmdb/mdb.h
@@ -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);