The branch master has been updated
via 6891a79da67ccd621b67e49b60ddc188d7864291 (commit)
from df578aa01314acd072038b703ac3ec002208da03 (commit)
- Log -----------------------------------------------------------------
commit 6891a79da67ccd621b67e49b60ddc188d7864291
Author: Richard Levitte <[email protected]>
Date: Sat May 27 22:04:59 2017 +0200
Add internal functions to fetch a refcount
Reviewed-by: Tim Hudson <[email protected]>
(Merged from https://github.com/openssl/openssl/pull/3573)
-----------------------------------------------------------------------
Summary of changes:
include/internal/refcount.h | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/include/internal/refcount.h b/include/internal/refcount.h
index 591561f..1aea71b 100644
--- a/include/internal/refcount.h
+++ b/include/internal/refcount.h
@@ -22,6 +22,12 @@
typedef _Atomic int CRYPTO_REF_COUNT;
+static ossl_inline int CRYPTO_GET_REF(_Atomic int *val, int *ret, void *lock)
+{
+ *ret = atomic_fetch_add_explicit(val, 0, memory_order_relaxed);
+ return 1;
+}
+
static ossl_inline int CRYPTO_UP_REF(_Atomic int *val, int *ret, void *lock)
{
*ret = atomic_fetch_add_explicit(val, 1, memory_order_relaxed) + 1;
@@ -42,6 +48,12 @@ static ossl_inline int CRYPTO_DOWN_REF(_Atomic int *val, int
*ret, void *lock)
typedef int CRYPTO_REF_COUNT;
+static ossl_inline int CRYPTO_GET_REF(_Atomic int *val, int *ret, void *lock)
+{
+ *ret = __atomic_fetch_add(val, 0, __ATOMIC_RELAXED);
+ return 1;
+}
+
static ossl_inline int CRYPTO_UP_REF(int *val, int *ret, void *lock)
{
*ret = __atomic_fetch_add(val, 1, __ATOMIC_RELAXED) + 1;
@@ -60,6 +72,7 @@ static ossl_inline int CRYPTO_DOWN_REF(int *val, int *ret,
void *lock)
typedef int CRYPTO_REF_COUNT;
+# define CRYPTO_GET_REF(val, ret, lock) CRYPTO_atomic_add(val, 0, ret, lock)
# define CRYPTO_UP_REF(val, ret, lock) CRYPTO_atomic_add(val, 1, ret, lock)
# define CRYPTO_DOWN_REF(val, ret, lock) CRYPTO_atomic_add(val, -1, ret, lock)
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