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https://github.com/Ponce/slackbuilds
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90 lines
2.4 KiB
Groff
90 lines
2.4 KiB
Groff
*** dbinc/mp.h 2007-09-28 01:28:25.000000000 +1000
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--- dbinc/mp.h 2008-02-14 01:22:09.000000000 +1100
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***************
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*** 639,644 ****
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--- 639,647 ----
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*/
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#define MP_TRUNC_RECOVER 0x01
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+ /* Private flags to DB_MPOOLFILE->close. */
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+ #define DB_MPOOL_NOLOCK 0x002 /* Already have mpf locked. */
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+
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#if defined(__cplusplus)
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}
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#endif
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*** mp/mp_fopen.c 2007-05-18 03:18:01.000000000 +1000
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--- mp/mp_fopen.c 2008-02-12 16:09:42.000000000 +1100
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***************
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*** 888,894 ****
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* when we try to flush them.
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*/
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deleted = 0;
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! MUTEX_LOCK(dbenv, mfp->mutex);
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if (F_ISSET(dbmfp, MP_MULTIVERSION))
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--mfp->multiversion;
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if (--mfp->mpf_cnt == 0 || LF_ISSET(DB_MPOOL_DISCARD)) {
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--- 888,895 ----
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* when we try to flush them.
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*/
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deleted = 0;
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! if (!LF_ISSET(DB_MPOOL_NOLOCK))
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! MUTEX_LOCK(dbenv, mfp->mutex);
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if (F_ISSET(dbmfp, MP_MULTIVERSION))
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--mfp->multiversion;
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if (--mfp->mpf_cnt == 0 || LF_ISSET(DB_MPOOL_DISCARD)) {
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***************
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*** 909,921 ****
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}
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}
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if (mfp->block_cnt == 0) {
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if ((t_ret =
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__memp_mf_discard(dbmp, mfp)) != 0 && ret == 0)
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ret = t_ret;
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deleted = 1;
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}
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}
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! if (!deleted)
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MUTEX_UNLOCK(dbenv, mfp->mutex);
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done: /* Discard the DB_MPOOLFILE structure. */
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--- 910,928 ----
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}
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}
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if (mfp->block_cnt == 0) {
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+ /*
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+ * We should never discard this mp file if our caller
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+ * is holding the lock on it. See comment in
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+ * __memp_sync_file.
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+ */
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+ DB_ASSERT(dbenv, !LF_ISSET(DB_MPOOL_NOLOCK));
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if ((t_ret =
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__memp_mf_discard(dbmp, mfp)) != 0 && ret == 0)
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ret = t_ret;
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deleted = 1;
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}
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}
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! if (!deleted && !LF_ISSET(DB_MPOOL_NOLOCK))
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MUTEX_UNLOCK(dbenv, mfp->mutex);
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done: /* Discard the DB_MPOOLFILE structure. */
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*** mp/mp_sync.c 2007-06-02 04:32:44.000000000 +1000
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--- mp/mp_sync.c 2008-02-12 16:09:42.000000000 +1100
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***************
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*** 755,761 ****
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* This is important since we are called with the hash bucket
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* locked. The mfp will get freed via the cleanup pass.
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*/
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! if (dbmfp != NULL && (t_ret = __memp_fclose(dbmfp, 0)) != 0 && ret == 0)
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ret = t_ret;
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--mfp->mpf_cnt;
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--- 755,762 ----
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* This is important since we are called with the hash bucket
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* locked. The mfp will get freed via the cleanup pass.
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*/
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! if (dbmfp != NULL &&
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! (t_ret = __memp_fclose(dbmfp, DB_MPOOL_NOLOCK)) != 0 && ret == 0)
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ret = t_ret;
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--mfp->mpf_cnt;
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