Issue #22919: Windows build updated to support VC 14.0 (Visual Studio 2015), which will be used for the official 3.5 release.

3 files changed, 30 insertions, 16 deletions

diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index bd7cd8ad48..d8e2441331 100644
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -1046,15 +1046,33 @@ PyLong_FromPy_off_t(Py_off_t offset)
 /* The actual size of the structure is determined at runtime.
  * Only the first items must be present.
  */
+
+#if _MSC_VER >= 1900
+
+typedef struct {
+    CRITICAL_SECTION lock;
+    intptr_t osfhnd;
+    __int64 startpos;
+    char osfile;
+} my_ioinfo;
+
+#define IOINFO_L2E 6
+#define IOINFO_ARRAYS 128
+
+#else
+
 typedef struct {
     intptr_t osfhnd;
     char osfile;
 } my_ioinfo;
 
-extern __declspec(dllimport) char * __pioinfo[];
 #define IOINFO_L2E 5
-#define IOINFO_ARRAY_ELTS   (1 << IOINFO_L2E)
 #define IOINFO_ARRAYS 64
+
+#endif
+
+extern __declspec(dllimport) char * __pioinfo[];
+#define IOINFO_ARRAY_ELTS   (1 << IOINFO_L2E)
 #define _NHANDLE_           (IOINFO_ARRAYS * IOINFO_ARRAY_ELTS)
 #define FOPEN 0x01
 #define _NO_CONSOLE_FILENO (intptr_t)-2
diff --git a/Modules/socketmodule.c b/Modules/socketmodule.c
index 68bfeb4f19..94cf7738e4 100644
--- a/Modules/socketmodule.c
+++ b/Modules/socketmodule.c
@@ -284,6 +284,11 @@ if_indextoname(index) -- return the corresponding interface name\n\
 #  include <fcntl.h>
 # endif
 
+#if defined(_MSC_VER) && _MSC_VER >= 1800
+/* Provides the IsWindows7SP1OrGreater() function */
+#include <VersionHelpers.h>
+#endif
+
 #endif
 
 #include <stddef.h>
@@ -5845,11 +5850,15 @@ PyInit__socket(void)
 
 #ifdef MS_WINDOWS
     if (support_wsa_no_inherit == -1) {
+#if defined(_MSC_VER) && _MSC_VER >= 1800
+        support_wsa_no_inherit = IsWindows7SP1OrGreater();
+#else
         DWORD version = GetVersion();
         DWORD major = (DWORD)LOBYTE(LOWORD(version));
         DWORD minor = (DWORD)HIBYTE(LOWORD(version));
         /* need Windows 7 SP1, 2008 R2 SP1 or later */
-        support_wsa_no_inherit = (major >= 6 && minor >= 1);
+        support_wsa_no_inherit = major > 6 || (major == 6 && minor >= 1);
+#endif
     }
 #endif
 
diff --git a/Modules/timemodule.c b/Modules/timemodule.c
index 1f07bcc90f..7f5f3149af 100644
--- a/Modules/timemodule.c
+++ b/Modules/timemodule.c
@@ -34,10 +34,6 @@
 static int floatsleep(double);
 static PyObject* floattime(_Py_clock_info_t *info);
 
-#ifdef MS_WINDOWS
-static OSVERSIONINFOEX winver;
-#endif
-
 static PyObject *
 time_time(PyObject *self, PyObject *unused)
 {
@@ -1359,15 +1355,6 @@ PyInit_time(void)
         if (PyStructSequence_InitType2(&StructTimeType,
                                        &struct_time_type_desc) < 0)
             return NULL;
-
-#ifdef MS_WINDOWS
-        winver.dwOSVersionInfoSize = sizeof(winver);
-        if (!GetVersionEx((OSVERSIONINFO*)&winver)) {
-            Py_DECREF(m);
-            PyErr_SetFromWindowsErr(0);
-            return NULL;
-        }
-#endif
     }
     Py_INCREF(&StructTimeType);
 #ifdef HAVE_STRUCT_TM_TM_ZONE