X-Git-Url: https://git.openssl.org/gitweb/?a=blobdiff_plain;f=crypto%2Fthreads_win.c;h=4e0de908ee269510d8831c7110606722c50f8fe7;hb=418bb7b31bb7cfca6e419a5aa7bf161784f61059;hp=ff4aae4f32fdf2d2729aee850a55909556f851f0;hpb=aa6bb1352b1026b20a23b49da4efdcf171926eb0;p=openssl.git

diff --git a/crypto/threads_win.c b/crypto/threads_win.c
index ff4aae4f32..4e0de908ee 100644
--- a/crypto/threads_win.c
+++ b/crypto/threads_win.c
@@ -7,6 +7,10 @@
  * https://www.openssl.org/source/license.html
  */
 
+#if defined(_WIN32)
+# include <windows.h>
+#endif
+
 #include <openssl/crypto.h>
 
 #if defined(OPENSSL_THREADS) && !defined(CRYPTO_TDEBUG) && defined(OPENSSL_SYS_WINDOWS)
@@ -55,12 +59,14 @@ void CRYPTO_THREAD_lock_free(CRYPTO_RWLOCK *lock)
     return;
 }
 
-# if _WIN32_WINNT < 0x0600
-
 #  define ONCE_UNINITED     0
 #  define ONCE_ININIT       1
 #  define ONCE_DONE         2
 
+/*
+ * We don't use InitOnceExecuteOnce because that isn't available in WinXP which
+ * we still have to support.
+ */
 int CRYPTO_THREAD_run_once(CRYPTO_ONCE *once, void (*init)(void))
 {
     LONG volatile *lock = (LONG *)once;
@@ -81,27 +87,6 @@ int CRYPTO_THREAD_run_once(CRYPTO_ONCE *once, void (*init)(void))
     return (*lock == ONCE_DONE);
 }
 
-# else
-
-BOOL CALLBACK once_cb(PINIT_ONCE once, PVOID p, PVOID *pp)
-{
-    void (*init)(void) = p;
-
-    init();
-
-    return TRUE;
-}
-
-int CRYPTO_THREAD_run_once(CRYPTO_ONCE *once, void (*init)(void))
-{
-    if (InitOnceExecuteOnce(once, once_cb, init, NULL))
-        return 1;
-
-    return 0;
-}
-
-# endif
-
 int CRYPTO_THREAD_init_local(CRYPTO_THREAD_LOCAL *key, void (*cleanup)(void *))
 {
     *key = TlsAlloc();