Move the REF_PRINT support from e_os.h to internal/refcount.h.

[openssl.git] / include / internal / refcount.h

diff --git a/include/internal/refcount.h b/include/internal/refcount.h
index 5fae6fda23259835b4ab134bd533d2f84169929e..c1663a0f8390116f6fb53f2ffef44a0961958eb1 100644 (file)
--- a/include/internal/refcount.h
+++ b/include/internal/refcount.h
@@ -9,6 +9,13 @@
 #ifndef HEADER_INTERNAL_REFCOUNT_H
 # define HEADER_INTERNAL_REFCOUNT_H
 
+/* Used to checking reference counts, most while doing perl5 stuff :-) */
+# if defined(OPENSSL_NO_STDIO)
+#  if defined(REF_PRINT)
+#   error "REF_PRINT requires stdio"
+#  endif
+# endif
+
 # if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L \
      && !defined(__STDC_NO_ATOMICS__)
 # include <stdatomic.h>
@@ -22,12 +29,6 @@
 
 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;
@@ -48,12 +49,6 @@ 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(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;
@@ -72,9 +67,23 @@ 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)
 
 # endif
+
+# if !defined(NDEBUG) && !defined(OPENSSL_NO_STDIO)
+#  define REF_ASSERT_ISNT(test) \
+    (void)((test) ? (OPENSSL_die("refcount error", __FILE__, __LINE__), 1) : 0)
+# else
+#  define REF_ASSERT_ISNT(i)
+# endif
+
+# ifdef REF_PRINT
+#  define REF_PRINT_COUNT(a, b) \
+        fprintf(stderr, "%p:%4d:%s\n", b, b->references, a)
+# else
+#  define REF_PRINT_COUNT(a, b)
+# endif
+
 #endif