X-Git-Url: https://git.openssl.org/gitweb/?a=blobdiff_plain;f=crypto%2Fthreads_win.c;h=f222aa5d03c00f6f09e07bfa9bc334ec6686d31d;hb=4e585e720195788c9546a9ce71d63dafdfd2aaf1;hp=512e19f5f3f01d9ab2e2171ebc33ab3b143bd06b;hpb=2915fe19a6676374c335d8c50eaaa4c940cf47d6;p=openssl.git

diff --git a/crypto/threads_win.c b/crypto/threads_win.c
index 512e19f5f3..f222aa5d03 100644
--- a/crypto/threads_win.c
+++ b/crypto/threads_win.c
@@ -133,6 +133,18 @@ int CRYPTO_atomic_add(int *val, int amount, int *ret, CRYPTO_RWLOCK *lock)
     return 1;
 }
 
+int CRYPTO_atomic_read(int *val, int *ret, CRYPTO_RWLOCK *lock)
+{
+    *ret = InterlockedCompareExchange(val, 0, 0);
+    return 1;
+}
+
+int CRYPTO_atomic_write(int *val, int n, CRYPTO_RWLOCK *lock)
+{
+    InterlockedExchange(val, n);
+    return 1;
+}
+
 int openssl_init_fork_handlers(void)
 {
     return 0;