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Revert "db: fix build with libc++-3.8"

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This reverts commit 7e933af173.
This commit is contained in:
Daiderd Jordan 2016-11-13 00:42:17 +01:00
parent 7e933af173
commit c7d1925b6e
No known key found for this signature in database
GPG Key ID: D02435D05B810C96
8 changed files with 271 additions and 37 deletions
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22
pkgs/development/libraries/db/clang-4.8.patch Normal file
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@ -0,0 +1,22 @@
diff --git a/dbinc/atomic.h b/dbinc/atomic.h
index 0034dcc..fa7ba93 100644
--- a/dbinc/atomic.h
+++ b/dbinc/atomic.h
@@ -144,7 +144,7 @@ typedef LONG volatile *interlocked_val;
#define atomic_inc(env, p) __atomic_inc(p)
#define atomic_dec(env, p) __atomic_dec(p)
#define atomic_compare_exchange(env, p, o, n) \
- __atomic_compare_exchange((p), (o), (n))
+ __db_atomic_compare_exchange((p), (o), (n))
static inline int __atomic_inc(db_atomic_t *p)
{
int temp;
@@ -176,7 +176,7 @@ static inline int __atomic_dec(db_atomic_t *p)
* http://gcc.gnu.org/onlinedocs/gcc-4.1.0/gcc/Atomic-Builtins.html
* which configure could be changed to use.
*/
-static inline int __atomic_compare_exchange(
+static inline int __db_atomic_compare_exchange(
db_atomic_t *p, atomic_value_t oldval, atomic_value_t newval)
{
atomic_value_t was;

154
pkgs/development/libraries/db/clang-5.3.patch Normal file
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@ -0,0 +1,154 @@
diff --git a/src/dbinc/atomic.h b/src/dbinc/atomic.h
index 6a858f7..9f338dc 100644
--- a/src/dbinc/atomic.h
+++ b/src/dbinc/atomic.h
@@ -70,7 +70,7 @@ typedef struct {
* These have no memory barriers; the caller must include them when necessary.
*/
#define atomic_read(p) ((p)->value)
-#define atomic_init(p, val) ((p)->value = (val))
+#define atomic_init_db(p, val) ((p)->value = (val))
#ifdef HAVE_ATOMIC_SUPPORT
@@ -144,7 +144,7 @@ typedef LONG volatile *interlocked_val;
#define atomic_inc(env, p) __atomic_inc(p)
#define atomic_dec(env, p) __atomic_dec(p)
#define atomic_compare_exchange(env, p, o, n) \
- __atomic_compare_exchange((p), (o), (n))
+ __atomic_compare_exchange_db((p), (o), (n))
static inline int __atomic_inc(db_atomic_t *p)
{
int temp;
@@ -176,7 +176,7 @@ static inline int __atomic_dec(db_atomic_t *p)
* http://gcc.gnu.org/onlinedocs/gcc-4.1.0/gcc/Atomic-Builtins.html
* which configure could be changed to use.
*/
-static inline int __atomic_compare_exchange(
+static inline int __atomic_compare_exchange_db(
db_atomic_t *p, atomic_value_t oldval, atomic_value_t newval)
{
atomic_value_t was;
@@ -206,7 +206,7 @@ static inline int __atomic_compare_exchange(
#define atomic_dec(env, p) (--(p)->value)
#define atomic_compare_exchange(env, p, oldval, newval) \
(DB_ASSERT(env, atomic_read(p) == (oldval)), \
- atomic_init(p, (newval)), 1)
+ atomic_init_db(p, (newval)), 1)
#else
#define atomic_inc(env, p) __atomic_inc(env, p)
#define atomic_dec(env, p) __atomic_dec(env, p)
diff --git a/src/dbinc/db.in b/src/dbinc/db.in
index 92ac822..f80428e 100644
--- a/src/dbinc/db.in
+++ b/src/dbinc/db.in
@@ -2782,7 +2782,7 @@ typedef struct {
#define fetch(a) __db_dbm_fetch@DB_VERSION_UNIQUE_NAME@(a)
#define firstkey __db_dbm_firstkey@DB_VERSION_UNIQUE_NAME@
#define nextkey(a) __db_dbm_nextkey@DB_VERSION_UNIQUE_NAME@(a)
-#define store(a, b) __db_dbm_store@DB_VERSION_UNIQUE_NAME@(a, b)
+#define store_db(a, b) __db_dbm_store@DB_VERSION_UNIQUE_NAME@(a, b)
/*******************************************************
* Hsearch historic interface.
diff --git a/src/mp/mp_fget.c b/src/mp/mp_fget.c
index 16de695..d0dcc29 100644
--- a/src/mp/mp_fget.c
+++ b/src/mp/mp_fget.c
@@ -649,7 +649,7 @@ alloc: /* Allocate a new buffer header and data space. */
/* Initialize enough so we can call __memp_bhfree. */
alloc_bhp->flags = 0;
- atomic_init(&alloc_bhp->ref, 1);
+ atomic_init_db(&alloc_bhp->ref, 1);
#ifdef DIAGNOSTIC
if ((uintptr_t)alloc_bhp->buf & (sizeof(size_t) - 1)) {
__db_errx(env, DB_STR("3025",
@@ -955,7 +955,7 @@ alloc: /* Allocate a new buffer header and data space. */
MVCC_MPROTECT(bhp->buf, mfp->pagesize,
PROT_READ);
- atomic_init(&alloc_bhp->ref, 1);
+ atomic_init_db(&alloc_bhp->ref, 1);
MUTEX_LOCK(env, alloc_bhp->mtx_buf);
alloc_bhp->priority = bhp->priority;
alloc_bhp->pgno = bhp->pgno;
diff --git a/src/mp/mp_mvcc.c b/src/mp/mp_mvcc.c
index 770bad8..e28cce0 100644
--- a/src/mp/mp_mvcc.c
+++ b/src/mp/mp_mvcc.c
@@ -276,7 +276,7 @@ __memp_bh_freeze(dbmp, infop, hp, bhp, need_frozenp)
#else
memcpy(frozen_bhp, bhp, SSZA(BH, buf));
#endif
- atomic_init(&frozen_bhp->ref, 0);
+ atomic_init_db(&frozen_bhp->ref, 0);
if (mutex != MUTEX_INVALID)
frozen_bhp->mtx_buf = mutex;
else if ((ret = __mutex_alloc(env, MTX_MPOOL_BH,
@@ -428,7 +428,7 @@ __memp_bh_thaw(dbmp, infop, hp, frozen_bhp, alloc_bhp)
#endif
alloc_bhp->mtx_buf = mutex;
MUTEX_LOCK(env, alloc_bhp->mtx_buf);
- atomic_init(&alloc_bhp->ref, 1);
+ atomic_init_db(&alloc_bhp->ref, 1);
F_CLR(alloc_bhp, BH_FROZEN);
}
diff --git a/src/mp/mp_region.c b/src/mp/mp_region.c
index 4952030..47645f8 100644
--- a/src/mp/mp_region.c
+++ b/src/mp/mp_region.c
@@ -245,7 +245,7 @@ __memp_init(env, dbmp, reginfo_off, htab_buckets, max_nreg)
MTX_MPOOL_FILE_BUCKET, 0, &htab[i].mtx_hash)) != 0)
return (ret);
SH_TAILQ_INIT(&htab[i].hash_bucket);
- atomic_init(&htab[i].hash_page_dirty, 0);
+ atomic_init_db(&htab[i].hash_page_dirty, 0);
}
/*
@@ -302,7 +302,7 @@ no_prealloc:
} else
hp->mtx_hash = mtx_base + (i % dbenv->mp_mtxcount);
SH_TAILQ_INIT(&hp->hash_bucket);
- atomic_init(&hp->hash_page_dirty, 0);
+ atomic_init_db(&hp->hash_page_dirty, 0);
#ifdef HAVE_STATISTICS
hp->hash_io_wait = 0;
hp->hash_frozen = hp->hash_thawed = hp->hash_frozen_freed = 0;
diff --git a/src/mutex/mut_method.c b/src/mutex/mut_method.c
index 09353b0..177353c 100644
--- a/src/mutex/mut_method.c
+++ b/src/mutex/mut_method.c
@@ -474,7 +474,7 @@ atomic_compare_exchange(env, v, oldval, newval)
MUTEX_LOCK(env, mtx);
ret = atomic_read(v) == oldval;
if (ret)
- atomic_init(v, newval);
+ atomic_init_db(v, newval);
MUTEX_UNLOCK(env, mtx);
return (ret);
diff --git a/src/mutex/mut_tas.c b/src/mutex/mut_tas.c
index 106b161..fc4de9d 100644
--- a/src/mutex/mut_tas.c
+++ b/src/mutex/mut_tas.c
@@ -47,7 +47,7 @@ __db_tas_mutex_init(env, mutex, flags)
#ifdef HAVE_SHARED_LATCHES
if (F_ISSET(mutexp, DB_MUTEX_SHARED))
- atomic_init(&mutexp->sharecount, 0);
+ atomic_init_db(&mutexp->sharecount, 0);
else
#endif
if (MUTEX_INIT(&mutexp->tas)) {
@@ -536,7 +536,7 @@ __db_tas_mutex_unlock(env, mutex)
F_CLR(mutexp, DB_MUTEX_LOCKED);
/* Flush flag update before zeroing count */
MEMBAR_EXIT();
- atomic_init(&mutexp->sharecount, 0);
+ atomic_init_db(&mutexp->sharecount, 0);
} else {
DB_ASSERT(env, sharecount > 0);
MEMBAR_EXIT();

21
pkgs/development/libraries/db/cygwin-4.4.patch Normal file
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@ -0,0 +1,21 @@
diff -rc db-4.4.20.NC-old/os/os_flock.c db-4.4.20.NC/os/os_flock.c
*** db-4.4.20.NC-old/os/os_flock.c Mon Jun 20 16:59:01 2005
--- db-4.4.20.NC/os/os_flock.c Wed Jun 7 17:01:49 2006
***************
*** 36,41 ****
--- 36,50 ----
DB_ASSERT(F_ISSET(fhp, DB_FH_OPENED) && fhp->fd != -1);
+ #ifdef __CYGWIN__
+ /*
+ * Windows file locking interferes with read/write operations, so we
+ * map the ranges to an area past the end of the file.
+ */
+ DB_ASSERT(offset < (off_t) 1 << 62);
+ offset += (off_t) 1 << 62;
+ #endif
+
#ifdef HAVE_FCNTL
fl.l_start = offset;
fl.l_len = 1;

22
pkgs/development/libraries/db/cygwin-4.5.patch Normal file
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@ -0,0 +1,22 @@
diff -rc db-4.5.20-orig/os/os_flock.c db-4.5.20/os/os_flock.c
*** db-4.5.20-orig/os/os_flock.c 2006-10-13 12:36:12.000000000 +0200
--- db-4.5.20/os/os_flock.c 2006-10-13 12:40:11.000000000 +0200
***************
*** 30,35 ****
--- 30,44 ----
DB_ASSERT(dbenv, F_ISSET(fhp, DB_FH_OPENED) && fhp->fd != -1);
+ #ifdef __CYGWIN__
+ /*
+ * Windows file locking interferes with read/write operations, so we
+ * map the ranges to an area past the end of the file.
+ */
+ DB_ASSERT(dbenv, offset < (off_t) 1 << 62);
+ offset += (off_t) 1 << 62;
+ #endif
+
fl.l_start = offset;
fl.l_len = 1;
fl.l_type = acquire ? F_WRLCK : F_UNLCK;
Only in db-4.5.20/os: os_flock.c~

20
pkgs/development/libraries/db/db-4.8.nix
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@ -5,23 +5,5 @@ import ./generic.nix (args // rec {
extraPatches = [ ./clang-4.8.patch ];
sha256 = "0ampbl2f0hb1nix195kz1syrqqxpmvnvnfvphambj7xjrl3iljg0";
branch = "4.8";
drvArgs.hardeningDisable = [ "format" ];
# https://community.oracle.com/thread/3952592
# this patch renames some sybols that conflict with libc++-3.8
# symbols: atomic_compare_exchange, atomic_init, store
drvArgs.prePatch = ''
substituteInPlace dbinc/db.in \
--replace '#define store' '#define store_db'
substituteInPlace dbinc/atomic.h \
--replace atomic_compare_exchange atomic_compare_exchange_db \
--replace atomic_init atomic_init_db
substituteInPlace mp/*.c \
--replace atomic_compare_exchange atomic_compare_exchange_db \
--replace atomic_init atomic_init_db
substituteInPlace mutex/*.c \
--replace atomic_compare_exchange atomic_compare_exchange_db \
--replace atomic_init atomic_init_db
'';
drvArgs = { hardeningDisable = [ "format" ]; };
})

4
pkgs/development/libraries/db/db-5.3.nix
View File

@ -4,4 +4,8 @@ import ./generic.nix (args // rec {
version = "5.3.28";
sha256 = "0a1n5hbl7027fbz5lm0vp0zzfp1hmxnz14wx3zl9563h83br5ag0";
branch = "5.3";
# https://community.oracle.com/thread/3952592
# this patch renames some sybols that conflict with libc++-3.8
# symbols: atomic_compare_exchange, atomic_init, store
extraPatches = [ ./clang-5.3.patch ];
})

18
pkgs/development/libraries/db/generic.nix
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@ -20,24 +20,6 @@ stdenv.mkDerivation (rec {
patches = extraPatches;
# https://community.oracle.com/thread/3952592
# this patch renames some sybols that conflict with libc++-3.8
# symbols: atomic_compare_exchange, atomic_init, store
prePatch = ''
substituteInPlace src/dbinc/db.in \
--replace '#define store' '#define store_db'
substituteInPlace src/dbinc/atomic.h \
--replace atomic_compare_exchange atomic_compare_exchange_db \
--replace atomic_init atomic_init_db
substituteInPlace src/mp/*.c \
--replace atomic_compare_exchange atomic_compare_exchange_db \
--replace atomic_init atomic_init_db
substituteInPlace src/mutex/*.c \
--replace atomic_compare_exchange atomic_compare_exchange_db \
--replace atomic_init atomic_init_db
'';
configureFlags = [
(if cxxSupport then "--enable-cxx" else "--disable-cxx")
(if compat185 then "--enable-compat185" else "--disable-compat185")

47
pkgs/development/libraries/db/register-race-fix.patch Normal file
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@ -0,0 +1,47 @@
diff -rc db-4.5.20-orig/env/env_register.c db-4.5.20/env/env_register.c
*** db-4.5.20-orig/env/env_register.c 2006-09-09 16:29:04.000000000 +0200
--- db-4.5.20/env/env_register.c 2007-05-16 21:13:27.000000000 +0200
***************
*** 255,260 ****
--- 255,262 ----
buf[nr - 1] = '\0';
}
+ //sleep(3);
+
pos = (off_t)lcnt * PID_LEN;
if (REGISTRY_LOCK(dbenv, pos, 1) == 0) {
if ((ret = REGISTRY_UNLOCK(dbenv, pos)) != 0)
***************
*** 361,366 ****
--- 363,392 ----
if (recovery_failed)
goto err;
+ //sleep(5);
+
+ /*
+ * Acquire an exclusive lock to prevent a race like this:
+ *
+ * 1) Process X is about to exit and process Y is just
+ * starting.
+ * 2) Process Y reads X's slot.
+ * 3) Process X clears its slot.
+ * 4) Process Y sees that X's slot isn't cleared yet (since it
+ * just read the old value).
+ * 5) Process X closes the registry, releases the lock on its
+ * slot.
+ * 6) Process Y tries to acquire X's slot and succeeds, so it
+ * concludes that X died and recovery is needed.
+ *
+ * A more efficient solution to this problem would be to let
+ * __envreg_add acquire the lock on a slot first, and *then*
+ * read the slot (instead of the other way around). Then we
+ * wouldn't need the exclusive lock here.
+ */
+ if ((ret = REGISTRY_EXCL_LOCK(dbenv, 0)) != 0)
+ goto err;
+
/*
* Why isn't an exclusive lock necessary to discard a DB_ENV handle?
*