bitcoin/bitcoin

commit 3311d68f11d1697565401eee6efc85c34f022ea7
Author: fanquake <fanquake@gmail.com>
Date:   Mon Aug 17 20:03:56 2020 +0800

    Fix C++11 compatibility

diff --git a/dbinc/atomic.h b/dbinc/atomic.h
index 0034dcc..7c11d4a 100644
--- a/dbinc/atomic.h
+++ b/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/mp/mp_fget.c b/mp/mp_fget.c
index 5fdee5a..0b75f57 100644
--- a/mp/mp_fget.c
+++ b/mp/mp_fget.c
@@ -617,7 +617,7 @@ 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,
@@ -911,7 +911,7 @@ alloc:        /* Allocate a new buffer header and data space. */
             MVCC_MPROTECT(bhp->buf, mfp->stat.st_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/mp/mp_mvcc.c b/mp/mp_mvcc.c
index 34467d2..f05aa0c 100644
--- a/mp/mp_mvcc.c
+++ b/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/mp/mp_region.c b/mp/mp_region.c
index e6cece9..ddbe906 100644
--- a/mp/mp_region.c
+++ b/mp/mp_region.c
@@ -224,7 +224,7 @@ __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);
         }
 
         /*
@@ -269,7 +269,7 @@ __memp_init(env, dbmp, reginfo_off, htab_buckets, max_nreg)
         hp->mtx_hash = (mtx_base == MUTEX_INVALID) ? MUTEX_INVALID :
             mtx_base + i;
         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/mutex/mut_method.c b/mutex/mut_method.c
index 2588763..5c6d516 100644
--- a/mutex/mut_method.c
+++ b/mutex/mut_method.c
@@ -426,7 +426,7 @@ 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/mutex/mut_tas.c b/mutex/mut_tas.c
index f3922e0..e40fcdf 100644
--- a/mutex/mut_tas.c
+++ b/mutex/mut_tas.c
@@ -46,7 +46,7 @@ __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)) {
@@ -486,7 +486,7 @@ __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();