--- /dev/null
+diff -ur db-5.3.28.orig/src/dbinc/atomic.h db-5.3.28/src/dbinc/atomic.h
+--- db-5.3.28.orig/src/dbinc/atomic.h 2013-09-09 17:35:08.000000000 +0200
++++ db-5.3.28/src/dbinc/atomic.h 2020-10-29 19:09:22.546238669 +0100
+@@ -25,7 +25,7 @@
+ * atomic_dec(env, valueptr)
+ * Subtracts 1 from the db_atomic_t value, returning the new value.
+ *
+- * atomic_compare_exchange(env, valueptr, oldval, newval)
++ * atomic_compare_exchange_db(env, valueptr, oldval, newval)
+ * If the db_atomic_t's value is still oldval, set it to newval.
+ * It returns 1 for success or 0 for failure.
+ *
+@@ -115,12 +115,12 @@
+ (WINCE_ATOMIC_MAGIC(p), \
+ InterlockedDecrement((interlocked_val)(&(p)->value)))
+ #if defined(_MSC_VER) && _MSC_VER < 1300
+-#define atomic_compare_exchange(env, p, oldval, newval) \
++#define atomic_compare_exchange_db(env, p, oldval, newval) \
+ (WINCE_ATOMIC_MAGIC(p), \
+ (InterlockedCompareExchange((PVOID *)(&(p)->value), \
+ (PVOID)(newval), (PVOID)(oldval)) == (PVOID)(oldval)))
+ #else
+-#define atomic_compare_exchange(env, p, oldval, newval) \
++#define atomic_compare_exchange_db(env, p, oldval, newval) \
+ (WINCE_ATOMIC_MAGIC(p), \
+ (InterlockedCompareExchange((interlocked_val)(&(p)->value), \
+ (newval), (oldval)) == (oldval)))
+@@ -134,7 +134,7 @@
+ atomic_inc_uint_nv((volatile unsigned int *) &(p)->value)
+ #define atomic_dec(env, p) \
+ atomic_dec_uint_nv((volatile unsigned int *) &(p)->value)
+-#define atomic_compare_exchange(env, p, oval, nval) \
++#define atomic_compare_exchange_db(env, p, oval, nval) \
+ (atomic_cas_32((volatile unsigned int *) &(p)->value, \
+ (oval), (nval)) == (oval))
+ #endif
+@@ -143,8 +143,8 @@
+ /* x86/x86_64 gcc */
+ #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))
++#define atomic_compare_exchange_db(env, 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 @@
+ * 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;
+@@ -204,7 +204,7 @@
+ */
+ #define atomic_inc(env, p) (++(p)->value)
+ #define atomic_dec(env, p) (--(p)->value)
+-#define atomic_compare_exchange(env, p, oldval, newval) \
++#define atomic_compare_exchange_db(env, p, oldval, newval) \
+ (DB_ASSERT(env, atomic_read(p) == (oldval)), \
+ atomic_init(p, (newval)), 1)
+ #else
+diff -ur db-5.3.28.orig/src/dbinc/mutex_int.h db-5.3.28/src/dbinc/mutex_int.h
+--- db-5.3.28.orig/src/dbinc/mutex_int.h 2013-09-09 17:35:08.000000000 +0200
++++ db-5.3.28/src/dbinc/mutex_int.h 2020-10-29 19:09:29.846238669 +0100
+@@ -1050,7 +1050,7 @@
+ */
+ #define MUTEXP_ACQUIRE(mutexp) \
+ (F_ISSET(mutexp, DB_MUTEX_SHARED) ? \
+- atomic_compare_exchange(env, \
++ atomic_compare_exchange_db(env, \
+ &(mutexp)->sharecount, 0, MUTEX_SHARE_ISEXCLUSIVE) : \
+ MUTEX_SET(&(mutexp)->tas))
+ #else
+diff -ur db-5.3.28.orig/src/dbinc_auto/int_def.in db-5.3.28/src/dbinc_auto/int_def.in
+--- db-5.3.28.orig/src/dbinc_auto/int_def.in 2013-09-09 17:35:08.000000000 +0200
++++ db-5.3.28/src/dbinc_auto/int_def.in 2020-10-29 19:09:56.642238669 +0100
+@@ -1488,7 +1488,7 @@
+ #define __atomic_dec __atomic_dec@DB_VERSION_UNIQUE_NAME@
+ #endif
+ #if !defined(HAVE_ATOMIC_SUPPORT) && defined(HAVE_MUTEX_SUPPORT)
+-#define atomic_compare_exchange atomic_compare_exchange@DB_VERSION_UNIQUE_NAME@
++#define atomic_compare_exchange_db atomic_compare_exchange_db@DB_VERSION_UNIQUE_NAME@
+ #endif
+ #define __db_pthread_mutex_init __db_pthread_mutex_init@DB_VERSION_UNIQUE_NAME@
+ #ifndef HAVE_MUTEX_HYBRID
+diff -ur db-5.3.28.orig/src/dbinc_auto/mutex_ext.h db-5.3.28/src/dbinc_auto/mutex_ext.h
+--- db-5.3.28.orig/src/dbinc_auto/mutex_ext.h 2013-09-09 17:35:08.000000000 +0200
++++ db-5.3.28/src/dbinc_auto/mutex_ext.h 2020-10-29 19:10:00.649238669 +0100
+@@ -38,7 +38,7 @@
+ atomic_value_t __atomic_dec __P((ENV *, db_atomic_t *));
+ #endif
+ #if !defined(HAVE_ATOMIC_SUPPORT) && defined(HAVE_MUTEX_SUPPORT)
+-int atomic_compare_exchange __P((ENV *, db_atomic_t *, atomic_value_t, atomic_value_t));
++int atomic_compare_exchange_db __P((ENV *, db_atomic_t *, atomic_value_t, atomic_value_t));
+ #endif
+ int __db_pthread_mutex_init __P((ENV *, db_mutex_t, u_int32_t));
+ #ifndef HAVE_MUTEX_HYBRID
+diff -ur db-5.3.28.orig/src/mutex/mut_method.c db-5.3.28/src/mutex/mut_method.c
+--- db-5.3.28.orig/src/mutex/mut_method.c 2013-09-09 17:35:09.000000000 +0200
++++ db-5.3.28/src/mutex/mut_method.c 2020-10-29 19:09:45.172238669 +0100
+@@ -445,11 +445,11 @@
+ }
+
+ /*
+- * atomic_compare_exchange
++ * atomic_compare_exchange_db
+ * Use a mutex to provide an atomic decrement function
+ *
+ * PUBLIC: #if !defined(HAVE_ATOMIC_SUPPORT) && defined(HAVE_MUTEX_SUPPORT)
+- * PUBLIC: int atomic_compare_exchange
++ * PUBLIC: int atomic_compare_exchange_db
+ * PUBLIC: __P((ENV *, db_atomic_t *, atomic_value_t, atomic_value_t));
+ * PUBLIC: #endif
+ * Returns 1 if the *v was equal to oldval, else 0
+@@ -458,7 +458,7 @@
+ * Sets the value to newval if and only if returning 1
+ */
+ int
+-atomic_compare_exchange(env, v, oldval, newval)
++atomic_compare_exchange_db(env, v, oldval, newval)
+ ENV *env;
+ db_atomic_t *v;
+ atomic_value_t oldval;
+diff -ur db-5.3.28.orig/src/mutex/mut_tas.c db-5.3.28/src/mutex/mut_tas.c
+--- db-5.3.28.orig/src/mutex/mut_tas.c 2013-09-09 17:35:09.000000000 +0200
++++ db-5.3.28/src/mutex/mut_tas.c 2020-10-29 19:09:40.046238669 +0100
+@@ -366,7 +366,7 @@
+ mtxregion->stat.st_mutex_tas_spins; nspins > 0; --nspins) {
+ lock = atomic_read(&mutexp->sharecount);
+ if (lock == MUTEX_SHARE_ISEXCLUSIVE ||
+- !atomic_compare_exchange(env,
++ !atomic_compare_exchange_db(env,
+ &mutexp->sharecount, lock, lock + 1)) {
+ /*
+ * Some systems (notably those with newer Intel CPUs)
+diff -ur db-5.3.28.orig/src/mutex/mut_win32.c db-5.3.28/src/mutex/mut_win32.c
+--- db-5.3.28.orig/src/mutex/mut_win32.c 2013-09-09 17:35:09.000000000 +0200
++++ db-5.3.28/src/mutex/mut_win32.c 2020-10-29 19:09:51.148238669 +0100
+@@ -361,7 +361,7 @@
+ return (DB_LOCK_NOTGRANTED);
+
+ continue;
+- } else if (!atomic_compare_exchange(env, &mutexp->sharecount,
++ } else if (!atomic_compare_exchange_db(env, &mutexp->sharecount,
+ mtx_val, mtx_val + 1)) {
+ /*
+ * Some systems (notably those with newer Intel CPUs)
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