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Merge pull request #80 from Naoir/db47-ready 

db47: Import from packages, add myself as maintainer
lilik-openwrt-22.03
Hauke Mehrtens 11 years ago
parent
4a3440a8c3 7dc787237a
commit
cfe0ca084e
4 changed files with 409 additions and 0 deletions
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  1. +98
    -0
      libs/db47/Makefile
  2. +56
    -0
      libs/db47/patches/001-sequence_lock.patch
  3. +43
    -0
      libs/db47/patches/002-lock.patch
  4. +212
    -0
      libs/db47/patches/003-dead_lock.patch

+ 98
- 0
libs/db47/Makefile View File

@ -0,0 +1,98 @@
#
# Copyright (C) 2009-2014 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
include $(TOPDIR)/rules.mk
include $(INCLUDE_DIR)/uclibc++.mk
PKG_NAME:=db47
PKG_VERSION:=4.7.25.NC
PKG_RELEASE:=6
PKG_BUILD_DIR:=$(BUILD_DIR)/db-$(PKG_VERSION)
PKG_SOURCE:=db-$(PKG_VERSION).tar.gz
PKG_SOURCE_URL:=http://download.oracle.com/berkeley-db/
PKG_MD5SUM:=073ab7f20d24b3872a51ca762f5090e7
PKG_MAINTAINER:=Marcel Denia <naoir@gmx.net>
PKG_LICENSE:=BSD-2c
PKG_LICENSE_FILES:=LICENSE
PKG_FIXUP:=autoreconf
PKG_LIBTOOL_PATHS:=. build_unix
PKG_BUILD_PARALLEL:=1
include $(INCLUDE_DIR)/package.mk
define Package/libdb47
SECTION:=libs
CATEGORY:=Libraries
DEPENDS:=+libxml2
TITLE:=Berkeley DB library (4.7)
URL:=http://www.sleepycat.com/products/db.shtml
endef
define Package/libdb47/description
Berkeley DB library (4.7).
endef
define Package/libdb47xx
SECTION:=libs
CATEGORY:=Libraries
DEPENDS:=+libdb47 $(CXX_DEPENDS)
TITLE:=Berkeley DB library (4.7) for C++
URL:=http://www.sleepycat.com/products/db.shtml
endef
define Package/libdb47xx/description
Berkeley DB library (4.7). C++ wrapper.
endef
CONFIGURE_PATH = build_unix
CONFIGURE_CMD = ../dist/configure
CONFIGURE_ARGS += \
--enable-shared \
--enable-static \
--disable-java \
--with-mutex=UNIX/fcntl \
--disable-tcl \
--disable-rpc \
--enable-compat185 \
--enable-smallbuild \
--disable-debug \
--enable-cryptography \
$(if $(CONFIG_PACKAGE_libdb47xx),--enable-cxx,--disable-cxx)
TARGET_CFLAGS += $(FPIC)
define Build/Compile
+$(MAKE) $(PKG_JOBS) -C $(PKG_BUILD_DIR)/build_unix \
DESTDIR="$(PKG_INSTALL_DIR)" all
$(MAKE) -C $(PKG_BUILD_DIR)/build_unix \
DESTDIR="$(PKG_INSTALL_DIR)" install
endef
define Package/libdb47/install
$(INSTALL_DIR) $(1)/usr/lib
$(CP) $(PKG_INSTALL_DIR)/usr/lib/libdb-*.so $(1)/usr/lib/
endef
define Package/libdb47xx/install
$(INSTALL_DIR) $(1)/usr/lib
$(CP) $(PKG_INSTALL_DIR)/usr/lib/libdb_cxx-*.so $(1)/usr/lib/
endef
define Build/InstallDev
$(INSTALL_DIR) $(1)/usr/include
$(CP) $(PKG_INSTALL_DIR)/usr/include/db.h $(1)/usr/include/
$(CP) $(PKG_INSTALL_DIR)/usr/include/db_cxx.h $(1)/usr/include/
$(INSTALL_DIR) $(1)/usr/lib/
$(CP) $(PKG_INSTALL_DIR)/usr/lib/libdb*.{a,so} $(1)/usr/lib
endef
$(eval $(call BuildPackage,libdb47))
$(eval $(call BuildPackage,libdb47xx))

+ 56
- 0
libs/db47/patches/001-sequence_lock.patch View File

@ -0,0 +1,56 @@
diff -ruN db-4.7.25.NC/sequence/sequence.c db-4.7.25.NC.new/sequence/sequence.c
--- db-4.7.25.NC/sequence/sequence.c 2008-05-05 22:25:09.000000000 +0200
+++ db-4.7.25.NC.new/sequence/sequence.c 2009-11-08 12:50:27.000000000 +0100
@@ -187,7 +187,11 @@
if ((ret = __db_get_flags(dbp, &tflags)) != 0)
goto err;
- if (DB_IS_READONLY(dbp)) {
+ /*
+ * We can let replication clients open sequences, but must
+ * check later that they do not update them.
+ */
+ if (F_ISSET(dbp, DB_AM_RDONLY)) {
ret = __db_rdonly(dbp->env, "DB_SEQUENCE->open");
goto err;
}
@@ -244,6 +248,11 @@
if ((ret != DB_NOTFOUND && ret != DB_KEYEMPTY) ||
!LF_ISSET(DB_CREATE))
goto err;
+ if (IS_REP_CLIENT(env) &&
+ !F_ISSET(dbp, DB_AM_NOT_DURABLE)) {
+ ret = __db_rdonly(env, "DB_SEQUENCE->open");
+ goto err;
+ }
ret = 0;
rp = &seq->seq_record;
@@ -296,7 +305,12 @@
*/
rp = seq->seq_data.data;
if (rp->seq_version == DB_SEQUENCE_OLDVER) {
-oldver: rp->seq_version = DB_SEQUENCE_VERSION;
+oldver: if (IS_REP_CLIENT(env) &&
+ !F_ISSET(dbp, DB_AM_NOT_DURABLE)) {
+ ret = __db_rdonly(env, "DB_SEQUENCE->open");
+ goto err;
+ }
+ rp->seq_version = DB_SEQUENCE_VERSION;
if (!F_ISSET(env, ENV_LITTLEENDIAN)) {
if (IS_DB_AUTO_COMMIT(dbp, txn)) {
if ((ret =
@@ -707,6 +721,13 @@
MUTEX_LOCK(env, seq->mtx_seq);
+ if (handle_check && IS_REP_CLIENT(env) &&
+ !F_ISSET(dbp, DB_AM_NOT_DURABLE)) {
+ ret = __db_rdonly(env, "DB_SEQUENCE->get");
+ goto err;
+ }
+
+
if (rp->seq_min + delta > rp->seq_max) {
__db_errx(env, "Sequence overflow");
ret = EINVAL;

+ 43
- 0
libs/db47/patches/002-lock.patch View File

@ -0,0 +1,43 @@
diff -urN db-4.7.25.NC/lock/lock.c db-4.7.25.NC.new/lock/lock.c
--- db-4.7.25.NC/lock/lock.c 2008-05-07 14:27:35.000000000 +0200
+++ db-4.7.25.NC.new/lock/lock.c 2009-11-08 12:52:19.000000000 +0100
@@ -1274,10 +1274,12 @@
SH_TAILQ_REMOVE(
&lt->obj_tab[obj_ndx], sh_obj, links, __db_lockobj);
if (sh_obj->lockobj.size > sizeof(sh_obj->objdata)) {
- LOCK_REGION_LOCK(env);
+ if (region->part_t_size != 1)
+ LOCK_REGION_LOCK(env);
__env_alloc_free(&lt->reginfo,
SH_DBT_PTR(&sh_obj->lockobj));
- LOCK_REGION_UNLOCK(env);
+ if (region->part_t_size != 1)
+ LOCK_REGION_UNLOCK(env);
}
SH_TAILQ_INSERT_HEAD(
&FREE_OBJS(lt, part_id), sh_obj, links, __db_lockobj);
@@ -1467,15 +1469,21 @@
if (obj->size <= sizeof(sh_obj->objdata))
p = sh_obj->objdata;
else {
- LOCK_REGION_LOCK(env);
+ /*
+ * If we have only one partition, the region is locked.
+ */
+ if (region->part_t_size != 1)
+ LOCK_REGION_LOCK(env);
if ((ret =
__env_alloc(&lt->reginfo, obj->size, &p)) != 0) {
__db_errx(env,
"No space for lock object storage");
- LOCK_REGION_UNLOCK(env);
+ if (region->part_t_size != 1)
+ LOCK_REGION_UNLOCK(env);
goto err;
}
- LOCK_REGION_UNLOCK(env);
+ if (region->part_t_size != 1)
+ LOCK_REGION_UNLOCK(env);
}
memcpy(p, obj->data, obj->size);

+ 212
- 0
libs/db47/patches/003-dead_lock.patch View File

@ -0,0 +1,212 @@
diff -urN db-4.7.25.NC/lock/lock_deadlock.c db-4.7.25.NC.new/lock/lock_deadlock.c
--- db-4.7.25.NC/lock/lock_deadlock.c 2008-03-10 14:31:33.000000000 +0100
+++ db-4.7.25.NC.new/lock/lock_deadlock.c 2009-11-08 12:53:25.000000000 +0100
@@ -121,7 +121,7 @@
DB_LOCKTAB *lt;
db_timespec now;
locker_info *idmap;
- u_int32_t *bitmap, *copymap, **deadp, **free_me, *tmpmap;
+ u_int32_t *bitmap, *copymap, **deadp, **deadlist, *tmpmap;
u_int32_t i, cid, keeper, killid, limit, nalloc, nlockers;
u_int32_t lock_max, txn_max;
int ret, status;
@@ -133,7 +133,8 @@
if (IS_REP_CLIENT(env))
atype = DB_LOCK_MINWRITE;
- free_me = NULL;
+ copymap = tmpmap = NULL;
+ deadlist = NULL;
lt = env->lk_handle;
if (rejectp != NULL)
@@ -179,11 +180,11 @@
memcpy(copymap, bitmap, nlockers * sizeof(u_int32_t) * nalloc);
if ((ret = __os_calloc(env, sizeof(u_int32_t), nalloc, &tmpmap)) != 0)
- goto err1;
+ goto err;
/* Find a deadlock. */
if ((ret =
- __dd_find(env, bitmap, idmap, nlockers, nalloc, &deadp)) != 0)
+ __dd_find(env, bitmap, idmap, nlockers, nalloc, &deadlist)) != 0)
return (ret);
/*
@@ -204,8 +205,7 @@
txn_max = TXN_MAXIMUM;
killid = BAD_KILLID;
- free_me = deadp;
- for (; *deadp != NULL; deadp++) {
+ for (deadp = deadlist; *deadp != NULL; deadp++) {
if (rejectp != NULL)
++*rejectp;
killid = (u_int32_t)(*deadp - bitmap) / nalloc;
@@ -342,11 +342,12 @@
__db_msg(env,
"Aborting locker %lx", (u_long)idmap[killid].id);
}
- __os_free(env, tmpmap);
-err1: __os_free(env, copymap);
-
-err: if (free_me != NULL)
- __os_free(env, free_me);
+err: if(copymap != NULL)
+ __os_free(env, copymap);
+ if (deadlist != NULL)
+ __os_free(env, deadlist);
+ if(tmpmap != NULL)
+ __os_free(env, tmpmap);
__os_free(env, bitmap);
__os_free(env, idmap);
@@ -360,6 +361,17 @@
#define DD_INVALID_ID ((u_int32_t) -1)
+/*
+ * __dd_build --
+ * Build the lock dependency bit maps.
+ * Notes on syncronization:
+ * LOCK_SYSTEM_LOCK is used to hold objects locked when we have
+ * a single partition.
+ * LOCK_LOCKERS is held while we are walking the lockers list and
+ * to single thread the use of lockerp->dd_id.
+ * LOCK_DD protects the DD list of objects.
+ */
+
static int
__dd_build(env, atype, bmp, nlockers, allocp, idmap, rejectp)
ENV *env;
@@ -393,6 +405,7 @@
* In particular we do not build the conflict array and our caller
* needs to expect this.
*/
+ LOCK_SYSTEM_LOCK(lt, region);
if (atype == DB_LOCK_EXPIRE) {
skip: LOCK_DD(env, region);
op = SH_TAILQ_FIRST(&region->dd_objs, __db_lockobj);
@@ -430,17 +443,18 @@
OBJECT_UNLOCK(lt, region, indx);
}
UNLOCK_DD(env, region);
+ LOCK_SYSTEM_UNLOCK(lt, region);
goto done;
}
/*
- * We'll check how many lockers there are, add a few more in for
- * good measure and then allocate all the structures. Then we'll
- * verify that we have enough room when we go back in and get the
- * mutex the second time.
+ * Allocate after locking the region
+ * to make sure the structures are large enough.
*/
-retry: count = region->stat.st_nlockers;
+ LOCK_LOCKERS(env, region);
+ count = region->stat.st_nlockers;
if (count == 0) {
+ UNLOCK_LOCKERS(env, region);
*nlockers = 0;
return (0);
}
@@ -448,50 +462,37 @@
if (FLD_ISSET(env->dbenv->verbose, DB_VERB_DEADLOCK))
__db_msg(env, "%lu lockers", (u_long)count);
- count += 20;
nentries = (u_int32_t)DB_ALIGN(count, 32) / 32;
- /*
- * Allocate enough space for a count by count bitmap matrix.
- *
- * XXX
- * We can probably save the malloc's between iterations just
- * reallocing if necessary because count grew by too much.
- */
+ /* Allocate enough space for a count by count bitmap matrix. */
if ((ret = __os_calloc(env, (size_t)count,
- sizeof(u_int32_t) * nentries, &bitmap)) != 0)
+ sizeof(u_int32_t) * nentries, &bitmap)) != 0) {
+ UNLOCK_LOCKERS(env, region);
return (ret);
+ }
if ((ret = __os_calloc(env,
sizeof(u_int32_t), nentries, &tmpmap)) != 0) {
+ UNLOCK_LOCKERS(env, region);
__os_free(env, bitmap);
return (ret);
}
if ((ret = __os_calloc(env,
(size_t)count, sizeof(locker_info), &id_array)) != 0) {
+ UNLOCK_LOCKERS(env, region);
__os_free(env, bitmap);
__os_free(env, tmpmap);
return (ret);
}
/*
- * Now go back in and actually fill in the matrix.
- */
- if (region->stat.st_nlockers > count) {
- __os_free(env, bitmap);
- __os_free(env, tmpmap);
- __os_free(env, id_array);
- goto retry;
- }
-
- /*
* First we go through and assign each locker a deadlock detector id.
*/
id = 0;
- LOCK_LOCKERS(env, region);
SH_TAILQ_FOREACH(lip, &region->lockers, ulinks, __db_locker) {
if (lip->master_locker == INVALID_ROFF) {
+ DB_ASSERT(env, id < count);
lip->dd_id = id++;
id_array[lip->dd_id].id = lip->id;
switch (atype) {
@@ -510,7 +511,6 @@
lip->dd_id = DD_INVALID_ID;
}
- UNLOCK_LOCKERS(env, region);
/*
* We only need consider objects that have waiters, so we use
@@ -669,7 +669,6 @@
* status after building the bit maps so that we will not detect
* a blocked transaction without noting that it is already aborting.
*/
- LOCK_LOCKERS(env, region);
for (id = 0; id < count; id++) {
if (!id_array[id].valid)
continue;
@@ -738,6 +737,7 @@
id_array[id].in_abort = 1;
}
UNLOCK_LOCKERS(env, region);
+ LOCK_SYSTEM_UNLOCK(lt, region);
/*
* Now we can release everything except the bitmap matrix that we
@@ -839,6 +839,7 @@
ret = 0;
/* We must lock so this locker cannot go away while we abort it. */
+ LOCK_SYSTEM_LOCK(lt, region);
LOCK_LOCKERS(env, region);
/*
@@ -895,6 +896,7 @@
done: OBJECT_UNLOCK(lt, region, info->last_ndx);
err:
out: UNLOCK_LOCKERS(env, region);
+ LOCK_SYSTEM_UNLOCK(lt, region);
return (ret);
}

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