Adding upstream version 1:10.11.6.upstream/1%10.11.6upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

3 files changed, 335 insertions, 0 deletions

diff --git a/include/atomic/gcc_builtins.h b/include/atomic/gcc_builtins.h
new file mode 100644
index 00000000..5b2b2c90
--- /dev/null
+++ b/include/atomic/gcc_builtins.h
@@ -0,0 +1,78 @@
+#ifndef ATOMIC_GCC_BUILTINS_INCLUDED
+#define ATOMIC_GCC_BUILTINS_INCLUDED
+
+/* Copyright (c) 2017 MariaDB Foundation
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; version 2 of the License.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335  USA */
+
+
+#define MY_MEMORY_ORDER_RELAXED __ATOMIC_RELAXED
+#define MY_MEMORY_ORDER_CONSUME __ATOMIC_CONSUME
+#define MY_MEMORY_ORDER_ACQUIRE __ATOMIC_ACQUIRE
+#define MY_MEMORY_ORDER_RELEASE __ATOMIC_RELEASE
+#define MY_MEMORY_ORDER_ACQ_REL __ATOMIC_ACQ_REL
+#define MY_MEMORY_ORDER_SEQ_CST __ATOMIC_SEQ_CST
+
+#define my_atomic_store32_explicit(P, D, O) __atomic_store_n((P), (D), (O))
+#define my_atomic_store64_explicit(P, D, O) __atomic_store_n((P), (D), (O))
+#define my_atomic_storeptr_explicit(P, D, O) __atomic_store_n((P), (D), (O))
+
+#define my_atomic_load32_explicit(P, O) __atomic_load_n((P), (O))
+#define my_atomic_load64_explicit(P, O) __atomic_load_n((P), (O))
+#define my_atomic_loadptr_explicit(P, O) __atomic_load_n((P), (O))
+
+#define my_atomic_fas32_explicit(P, D, O) __atomic_exchange_n((P), (D), (O))
+#define my_atomic_fas64_explicit(P, D, O) __atomic_exchange_n((P), (D), (O))
+#define my_atomic_fasptr_explicit(P, D, O) __atomic_exchange_n((P), (D), (O))
+
+#define my_atomic_add32_explicit(P, A, O) __atomic_fetch_add((P), (A), (O))
+#define my_atomic_add64_explicit(P, A, O) __atomic_fetch_add((P), (A), (O))
+
+#define my_atomic_cas32_weak_explicit(P, E, D, S, F) \
+  __atomic_compare_exchange_n((P), (E), (D), 1, (S), (F))
+#define my_atomic_cas64_weak_explicit(P, E, D, S, F) \
+  __atomic_compare_exchange_n((P), (E), (D), 1, (S), (F))
+#define my_atomic_casptr_weak_explicit(P, E, D, S, F) \
+  __atomic_compare_exchange_n((P), (E), (D), 1, (S), (F))
+
+#define my_atomic_cas32_strong_explicit(P, E, D, S, F) \
+  __atomic_compare_exchange_n((P), (E), (D), 0, (S), (F))
+#define my_atomic_cas64_strong_explicit(P, E, D, S, F) \
+  __atomic_compare_exchange_n((P), (E), (D), 0, (S), (F))
+#define my_atomic_casptr_strong_explicit(P, E, D, S, F) \
+  __atomic_compare_exchange_n((P), (E), (D), 0, (S), (F))
+
+#define my_atomic_store32(P, D) __atomic_store_n((P), (D), __ATOMIC_SEQ_CST)
+#define my_atomic_store64(P, D) __atomic_store_n((P), (D), __ATOMIC_SEQ_CST)
+#define my_atomic_storeptr(P, D) __atomic_store_n((P), (D), __ATOMIC_SEQ_CST)
+
+#define my_atomic_load32(P) __atomic_load_n((P), __ATOMIC_SEQ_CST)
+#define my_atomic_load64(P) __atomic_load_n((P), __ATOMIC_SEQ_CST)
+#define my_atomic_loadptr(P) __atomic_load_n((P), __ATOMIC_SEQ_CST)
+
+#define my_atomic_fas32(P, D) __atomic_exchange_n((P), (D), __ATOMIC_SEQ_CST)
+#define my_atomic_fas64(P, D) __atomic_exchange_n((P), (D), __ATOMIC_SEQ_CST)
+#define my_atomic_fasptr(P, D) __atomic_exchange_n((P), (D), __ATOMIC_SEQ_CST)
+
+#define my_atomic_add32(P, A) __atomic_fetch_add((P), (A), __ATOMIC_SEQ_CST)
+#define my_atomic_add64(P, A) __atomic_fetch_add((P), (A), __ATOMIC_SEQ_CST)
+
+#define my_atomic_cas32(P, E, D) \
+  __atomic_compare_exchange_n((P), (E), (D), 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)
+#define my_atomic_cas64(P, E, D) \
+  __atomic_compare_exchange_n((P), (E), (D), 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)
+#define my_atomic_casptr(P, E, D) \
+  __atomic_compare_exchange_n((P), (E), (D), 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)
+
+#endif /* ATOMIC_GCC_BUILTINS_INCLUDED */
diff --git a/include/atomic/generic-msvc.h b/include/atomic/generic-msvc.h
new file mode 100644
index 00000000..ff2a5434
--- /dev/null
+++ b/include/atomic/generic-msvc.h
@@ -0,0 +1,140 @@
+#ifndef ATOMIC_MSC_INCLUDED
+#define ATOMIC_MSC_INCLUDED
+
+/* Copyright (c) 2006, 2014, Oracle and/or its affiliates. All rights reserved.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; version 2 of the License.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335  USA */
+
+#include <windows.h>
+
+static inline int my_atomic_cas32(int32 volatile *a, int32 *cmp, int32 set)
+{
+  int32 initial_cmp= *cmp;
+  int32 initial_a= InterlockedCompareExchange((volatile LONG*)a,
+                                              set, initial_cmp);
+  int ret= (initial_a == initial_cmp);
+  if (!ret)
+    *cmp= initial_a;
+  return ret;
+}
+
+static inline int my_atomic_cas64(int64 volatile *a, int64 *cmp, int64 set)
+{
+  int64 initial_cmp= *cmp;
+  int64 initial_a= InterlockedCompareExchange64((volatile LONGLONG*)a,
+                                                (LONGLONG)set,
+                                                (LONGLONG)initial_cmp);
+  int ret= (initial_a == initial_cmp);
+  if (!ret)
+    *cmp= initial_a;
+  return ret;
+}
+
+static inline int my_atomic_casptr(void * volatile *a, void **cmp, void *set)
+{
+  void *initial_cmp= *cmp;
+  void *initial_a= InterlockedCompareExchangePointer(a, set, initial_cmp);
+  int ret= (initial_a == initial_cmp);
+  if (!ret)
+    *cmp= initial_a;
+  return ret;
+}
+
+static inline int32 my_atomic_add32(int32 volatile *a, int32 v)
+{
+  return (int32)InterlockedExchangeAdd((volatile LONG*)a, v);
+}
+
+static inline int64 my_atomic_add64(int64 volatile *a, int64 v)
+{
+  return (int64)InterlockedExchangeAdd64((volatile LONGLONG*)a, (LONGLONG)v);
+}
+
+
+/*
+  According to MSDN:
+
+  Simple reads and writes to properly-aligned 32-bit variables are atomic
+  operations.
+  ...
+  Simple reads and writes to properly aligned 64-bit variables are atomic on
+  64-bit Windows. Reads and writes to 64-bit values are not guaranteed to be
+  atomic on 32-bit Windows.
+
+  https://msdn.microsoft.com/en-us/library/windows/desktop/ms684122(v=vs.85).aspx
+*/
+
+static inline int32 my_atomic_load32(int32 volatile *a)
+{
+  int32 value= *a;
+  MemoryBarrier();
+  return value;
+}
+
+static inline int64 my_atomic_load64(int64 volatile *a)
+{
+#ifdef _M_X64
+  int64 value= *a;
+  MemoryBarrier();
+  return value;
+#else
+  return (int64) InterlockedCompareExchange64((volatile LONGLONG *) a, 0, 0);
+#endif
+}
+
+static inline void* my_atomic_loadptr(void * volatile *a)
+{
+  void *value= *a;
+  MemoryBarrier();
+  return value;
+}
+
+static inline int32 my_atomic_fas32(int32 volatile *a, int32 v)
+{
+  return (int32)InterlockedExchange((volatile LONG*)a, v);
+}
+
+static inline int64 my_atomic_fas64(int64 volatile *a, int64 v)
+{
+  return (int64)InterlockedExchange64((volatile LONGLONG*)a, v);
+}
+
+static inline void * my_atomic_fasptr(void * volatile *a, void * v)
+{
+  return InterlockedExchangePointer(a, v);
+}
+
+static inline void my_atomic_store32(int32 volatile *a, int32 v)
+{
+  MemoryBarrier();
+  *a= v;
+}
+
+static inline void my_atomic_store64(int64 volatile *a, int64 v)
+{
+#ifdef _M_X64
+  MemoryBarrier();
+  *a= v;
+#else
+  (void) InterlockedExchange64((volatile LONGLONG *) a, v);
+#endif
+}
+
+static inline void my_atomic_storeptr(void * volatile *a, void *v)
+{
+  MemoryBarrier();
+  *a= v;
+}
+
+#endif /* ATOMIC_MSC_INCLUDED */
diff --git a/include/atomic/solaris.h b/include/atomic/solaris.h
new file mode 100644
index 00000000..b48ab46f
--- /dev/null
+++ b/include/atomic/solaris.h
@@ -0,0 +1,117 @@
+#ifndef ATOMIC_SOLARIS_INCLUDED
+#define ATOMIC_SOLARIS_INCLUDED
+
+/* Copyright (c) 2008, 2014, Oracle and/or its affiliates. All rights reserved.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; version 2 of the License.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335  USA */
+
+#include <atomic.h>
+
+#if defined(__GNUC__)
+#define atomic_typeof(T,V)      __typeof__(V)
+#else
+#define atomic_typeof(T,V)      T
+#endif
+
+static inline int my_atomic_cas32(int32 volatile *a, int32 *cmp, int32 set)
+{
+  int ret;
+  atomic_typeof(uint32_t, *cmp) sav;
+  sav= atomic_cas_32((volatile uint32_t *)a, (uint32_t)*cmp, (uint32_t)set);
+  ret= (sav == *cmp);
+  if (!ret)
+    *cmp= sav;
+  return ret;
+}
+
+static inline int my_atomic_cas64(int64 volatile *a, int64 *cmp, int64 set)
+{
+  int ret;
+  atomic_typeof(uint64_t, *cmp) sav;
+  sav= atomic_cas_64((volatile uint64_t *)a, (uint64_t)*cmp, (uint64_t)set);
+  ret= (sav == *cmp);
+  if (!ret)
+    *cmp= sav;
+  return ret;
+}
+
+static inline int my_atomic_casptr(void * volatile *a, void **cmp, void *set)
+{
+  int ret;
+  atomic_typeof(void *, *cmp) sav;
+  sav= atomic_cas_ptr((volatile void **)a, (void *)*cmp, (void *)set);
+  ret= (sav == *cmp);
+  if (!ret)
+    *cmp= sav;
+  return ret;
+}
+
+static inline int32 my_atomic_add32(int32 volatile *a, int32 v)
+{
+  int32 nv= atomic_add_32_nv((volatile uint32_t *)a, v);
+  return nv - v;
+}
+
+static inline int64 my_atomic_add64(int64 volatile *a, int64 v)
+{
+  int64 nv= atomic_add_64_nv((volatile uint64_t *)a, v);
+  return nv - v;
+}
+
+static inline int32 my_atomic_fas32(int32 volatile *a, int32 v)
+{
+  return atomic_swap_32((volatile uint32_t *)a, (uint32_t)v);
+}
+
+static inline int64 my_atomic_fas64(int64 volatile *a, int64 v)
+{
+  return atomic_swap_64((volatile uint64_t *)a, (uint64_t)v);
+}
+
+static inline void * my_atomic_fasptr(void * volatile *a, void * v)
+{
+  return atomic_swap_ptr(a, v);
+}
+
+static inline int32 my_atomic_load32(int32 volatile *a)
+{
+  return atomic_or_32_nv((volatile uint32_t *)a, 0);
+}
+
+static inline int64 my_atomic_load64(int64 volatile *a)
+{
+  return atomic_or_64_nv((volatile uint64_t *)a, 0);
+}
+
+static inline void* my_atomic_loadptr(void * volatile *a)
+{
+  return atomic_add_ptr_nv(a, 0);
+}
+
+static inline void my_atomic_store32(int32 volatile *a, int32 v)
+{
+  (void) atomic_swap_32((volatile uint32_t *)a, (uint32_t)v);
+}
+
+static inline void my_atomic_store64(int64 volatile *a, int64 v)
+{
+  (void) atomic_swap_64((volatile uint64_t *)a, (uint64_t)v);
+}
+
+static inline void my_atomic_storeptr(void * volatile *a, void *v)
+{
+  (void) atomic_swap_ptr((volatile void **)a, (void *)v);
+}
+
+#endif /* ATOMIC_SOLARIS_INCLUDED */