Restoring authorship annotation for <orivej@yandex-team.ru>. Commit 1 of 2.

1 files changed, 467 insertions, 467 deletions

diff --git a/contrib/tools/python3/src/Python/thread_nt.h b/contrib/tools/python3/src/Python/thread_nt.h
index 0ce5e94f89..3780585206 100644
--- a/contrib/tools/python3/src/Python/thread_nt.h
+++ b/contrib/tools/python3/src/Python/thread_nt.h
@@ -1,243 +1,243 @@
 #include "pycore_interp.h"    // _PyInterpreterState.pythread_stacksize
-
-/* This code implemented by Dag.Gruneau@elsa.preseco.comm.se */
-/* Fast NonRecursiveMutex support by Yakov Markovitch, markovitch@iso.ru */
-/* Eliminated some memory leaks, gsw@agere.com */
-
-#include <windows.h>
-#include <limits.h>
-#ifdef HAVE_PROCESS_H
-#include <process.h>
-#endif
-
-/* options */
-#ifndef _PY_USE_CV_LOCKS
-#define _PY_USE_CV_LOCKS 1     /* use locks based on cond vars */
-#endif
-
-/* Now, define a non-recursive mutex using either condition variables
- * and critical sections (fast) or using operating system mutexes
- * (slow)
- */
-
-#if _PY_USE_CV_LOCKS
-
-#include "condvar.h"
-
-typedef struct _NRMUTEX
-{
-    PyMUTEX_T cs;
-    PyCOND_T cv;
-    int locked;
-} NRMUTEX;
-typedef NRMUTEX *PNRMUTEX;
-
-PNRMUTEX
-AllocNonRecursiveMutex()
-{
-    PNRMUTEX m = (PNRMUTEX)PyMem_RawMalloc(sizeof(NRMUTEX));
-    if (!m)
-        return NULL;
-    if (PyCOND_INIT(&m->cv))
-        goto fail;
-    if (PyMUTEX_INIT(&m->cs)) {
-        PyCOND_FINI(&m->cv);
-        goto fail;
-    }
-    m->locked = 0;
-    return m;
-fail:
-    PyMem_RawFree(m);
-    return NULL;
-}
-
-VOID
-FreeNonRecursiveMutex(PNRMUTEX mutex)
-{
-    if (mutex) {
-        PyCOND_FINI(&mutex->cv);
-        PyMUTEX_FINI(&mutex->cs);
-        PyMem_RawFree(mutex);
-    }
-}
-
-DWORD
-EnterNonRecursiveMutex(PNRMUTEX mutex, DWORD milliseconds)
-{
-    DWORD result = WAIT_OBJECT_0;
-    if (PyMUTEX_LOCK(&mutex->cs))
-        return WAIT_FAILED;
-    if (milliseconds == INFINITE) {
-        while (mutex->locked) {
-            if (PyCOND_WAIT(&mutex->cv, &mutex->cs)) {
-                result = WAIT_FAILED;
-                break;
-            }
-        }
-    } else if (milliseconds != 0) {
-        /* wait at least until the target */
+ 
+/* This code implemented by Dag.Gruneau@elsa.preseco.comm.se */ 
+/* Fast NonRecursiveMutex support by Yakov Markovitch, markovitch@iso.ru */ 
+/* Eliminated some memory leaks, gsw@agere.com */ 
+ 
+#include <windows.h> 
+#include <limits.h> 
+#ifdef HAVE_PROCESS_H 
+#include <process.h> 
+#endif 
+ 
+/* options */ 
+#ifndef _PY_USE_CV_LOCKS 
+#define _PY_USE_CV_LOCKS 1     /* use locks based on cond vars */ 
+#endif 
+ 
+/* Now, define a non-recursive mutex using either condition variables 
+ * and critical sections (fast) or using operating system mutexes 
+ * (slow) 
+ */ 
+ 
+#if _PY_USE_CV_LOCKS 
+ 
+#include "condvar.h" 
+ 
+typedef struct _NRMUTEX 
+{ 
+    PyMUTEX_T cs; 
+    PyCOND_T cv; 
+    int locked; 
+} NRMUTEX; 
+typedef NRMUTEX *PNRMUTEX; 
+ 
+PNRMUTEX 
+AllocNonRecursiveMutex() 
+{ 
+    PNRMUTEX m = (PNRMUTEX)PyMem_RawMalloc(sizeof(NRMUTEX)); 
+    if (!m) 
+        return NULL; 
+    if (PyCOND_INIT(&m->cv)) 
+        goto fail; 
+    if (PyMUTEX_INIT(&m->cs)) { 
+        PyCOND_FINI(&m->cv); 
+        goto fail; 
+    } 
+    m->locked = 0; 
+    return m; 
+fail: 
+    PyMem_RawFree(m); 
+    return NULL; 
+} 
+ 
+VOID 
+FreeNonRecursiveMutex(PNRMUTEX mutex) 
+{ 
+    if (mutex) { 
+        PyCOND_FINI(&mutex->cv); 
+        PyMUTEX_FINI(&mutex->cs); 
+        PyMem_RawFree(mutex); 
+    } 
+} 
+ 
+DWORD 
+EnterNonRecursiveMutex(PNRMUTEX mutex, DWORD milliseconds) 
+{ 
+    DWORD result = WAIT_OBJECT_0; 
+    if (PyMUTEX_LOCK(&mutex->cs)) 
+        return WAIT_FAILED; 
+    if (milliseconds == INFINITE) { 
+        while (mutex->locked) { 
+            if (PyCOND_WAIT(&mutex->cv, &mutex->cs)) { 
+                result = WAIT_FAILED; 
+                break; 
+            } 
+        } 
+    } else if (milliseconds != 0) { 
+        /* wait at least until the target */ 
         _PyTime_t now = _PyTime_GetPerfCounter();
         if (now <= 0) {
             Py_FatalError("_PyTime_GetPerfCounter() == 0");
         }
         _PyTime_t nanoseconds = _PyTime_FromNanoseconds((_PyTime_t)milliseconds * 1000000);
         _PyTime_t target = now + nanoseconds;
-        while (mutex->locked) {
+        while (mutex->locked) { 
             _PyTime_t microseconds = _PyTime_AsMicroseconds(nanoseconds, _PyTime_ROUND_TIMEOUT);
             if (PyCOND_TIMEDWAIT(&mutex->cv, &mutex->cs, microseconds) < 0) {
-                result = WAIT_FAILED;
-                break;
-            }
+                result = WAIT_FAILED; 
+                break; 
+            } 
             now = _PyTime_GetPerfCounter();
-            if (target <= now)
-                break;
+            if (target <= now) 
+                break; 
             nanoseconds = target - now;
-        }
-    }
-    if (!mutex->locked) {
-        mutex->locked = 1;
-        result = WAIT_OBJECT_0;
-    } else if (result == WAIT_OBJECT_0)
-        result = WAIT_TIMEOUT;
-    /* else, it is WAIT_FAILED */
-    PyMUTEX_UNLOCK(&mutex->cs); /* must ignore result here */
-    return result;
-}
-
-BOOL
-LeaveNonRecursiveMutex(PNRMUTEX mutex)
-{
-    BOOL result;
-    if (PyMUTEX_LOCK(&mutex->cs))
-        return FALSE;
-    mutex->locked = 0;
-    /* condvar APIs return 0 on success. We need to return TRUE on success. */
-    result = !PyCOND_SIGNAL(&mutex->cv);
-    PyMUTEX_UNLOCK(&mutex->cs);
-    return result;
-}
-
-#else /* if ! _PY_USE_CV_LOCKS */
-
-/* NR-locks based on a kernel mutex */
-#define PNRMUTEX HANDLE
-
-PNRMUTEX
-AllocNonRecursiveMutex()
-{
-    return CreateSemaphore(NULL, 1, 1, NULL);
-}
-
-VOID
-FreeNonRecursiveMutex(PNRMUTEX mutex)
-{
-    /* No in-use check */
-    CloseHandle(mutex);
-}
-
-DWORD
-EnterNonRecursiveMutex(PNRMUTEX mutex, DWORD milliseconds)
-{
-    return WaitForSingleObjectEx(mutex, milliseconds, FALSE);
-}
-
-BOOL
-LeaveNonRecursiveMutex(PNRMUTEX mutex)
-{
-    return ReleaseSemaphore(mutex, 1, NULL);
-}
-#endif /* _PY_USE_CV_LOCKS */
-
-unsigned long PyThread_get_thread_ident(void);
-
+        } 
+    } 
+    if (!mutex->locked) { 
+        mutex->locked = 1; 
+        result = WAIT_OBJECT_0; 
+    } else if (result == WAIT_OBJECT_0) 
+        result = WAIT_TIMEOUT; 
+    /* else, it is WAIT_FAILED */ 
+    PyMUTEX_UNLOCK(&mutex->cs); /* must ignore result here */ 
+    return result; 
+} 
+ 
+BOOL 
+LeaveNonRecursiveMutex(PNRMUTEX mutex) 
+{ 
+    BOOL result; 
+    if (PyMUTEX_LOCK(&mutex->cs)) 
+        return FALSE; 
+    mutex->locked = 0; 
+    /* condvar APIs return 0 on success. We need to return TRUE on success. */ 
+    result = !PyCOND_SIGNAL(&mutex->cv); 
+    PyMUTEX_UNLOCK(&mutex->cs); 
+    return result; 
+} 
+ 
+#else /* if ! _PY_USE_CV_LOCKS */ 
+ 
+/* NR-locks based on a kernel mutex */ 
+#define PNRMUTEX HANDLE 
+ 
+PNRMUTEX 
+AllocNonRecursiveMutex() 
+{ 
+    return CreateSemaphore(NULL, 1, 1, NULL); 
+} 
+ 
+VOID 
+FreeNonRecursiveMutex(PNRMUTEX mutex) 
+{ 
+    /* No in-use check */ 
+    CloseHandle(mutex); 
+} 
+ 
+DWORD 
+EnterNonRecursiveMutex(PNRMUTEX mutex, DWORD milliseconds) 
+{ 
+    return WaitForSingleObjectEx(mutex, milliseconds, FALSE); 
+} 
+ 
+BOOL 
+LeaveNonRecursiveMutex(PNRMUTEX mutex) 
+{ 
+    return ReleaseSemaphore(mutex, 1, NULL); 
+} 
+#endif /* _PY_USE_CV_LOCKS */ 
+ 
+unsigned long PyThread_get_thread_ident(void); 
+ 
 #ifdef PY_HAVE_THREAD_NATIVE_ID
 unsigned long PyThread_get_thread_native_id(void);
 #endif
 
-/*
- * Initialization of the C package, should not be needed.
- */
-static void
-PyThread__init_thread(void)
-{
-}
-
-/*
- * Thread support.
- */
-
-typedef struct {
-    void (*func)(void*);
-    void *arg;
-} callobj;
-
-/* thunker to call adapt between the function type used by the system's
-thread start function and the internally used one. */
-static unsigned __stdcall
-bootstrap(void *call)
-{
-    callobj *obj = (callobj*)call;
-    void (*func)(void*) = obj->func;
-    void *arg = obj->arg;
-    HeapFree(GetProcessHeap(), 0, obj);
-    func(arg);
-    return 0;
-}
-
-unsigned long
-PyThread_start_new_thread(void (*func)(void *), void *arg)
-{
-    HANDLE hThread;
-    unsigned threadID;
-    callobj *obj;
-
-    dprintf(("%lu: PyThread_start_new_thread called\n",
-             PyThread_get_thread_ident()));
-    if (!initialized)
-        PyThread_init_thread();
-
-    obj = (callobj*)HeapAlloc(GetProcessHeap(), 0, sizeof(*obj));
-    if (!obj)
-        return PYTHREAD_INVALID_THREAD_ID;
-    obj->func = func;
-    obj->arg = arg;
+/* 
+ * Initialization of the C package, should not be needed. 
+ */ 
+static void 
+PyThread__init_thread(void) 
+{ 
+} 
+ 
+/* 
+ * Thread support. 
+ */ 
+ 
+typedef struct { 
+    void (*func)(void*); 
+    void *arg; 
+} callobj; 
+ 
+/* thunker to call adapt between the function type used by the system's 
+thread start function and the internally used one. */ 
+static unsigned __stdcall 
+bootstrap(void *call) 
+{ 
+    callobj *obj = (callobj*)call; 
+    void (*func)(void*) = obj->func; 
+    void *arg = obj->arg; 
+    HeapFree(GetProcessHeap(), 0, obj); 
+    func(arg); 
+    return 0; 
+} 
+ 
+unsigned long 
+PyThread_start_new_thread(void (*func)(void *), void *arg) 
+{ 
+    HANDLE hThread; 
+    unsigned threadID; 
+    callobj *obj; 
+ 
+    dprintf(("%lu: PyThread_start_new_thread called\n", 
+             PyThread_get_thread_ident())); 
+    if (!initialized) 
+        PyThread_init_thread(); 
+ 
+    obj = (callobj*)HeapAlloc(GetProcessHeap(), 0, sizeof(*obj)); 
+    if (!obj) 
+        return PYTHREAD_INVALID_THREAD_ID; 
+    obj->func = func; 
+    obj->arg = arg; 
     PyThreadState *tstate = _PyThreadState_GET();
-    size_t stacksize = tstate ? tstate->interp->pythread_stacksize : 0;
-    hThread = (HANDLE)_beginthreadex(0,
-                      Py_SAFE_DOWNCAST(stacksize, Py_ssize_t, unsigned int),
-                      bootstrap, obj,
-                      0, &threadID);
-    if (hThread == 0) {
-        /* I've seen errno == EAGAIN here, which means "there are
-         * too many threads".
-         */
-        int e = errno;
-        dprintf(("%lu: PyThread_start_new_thread failed, errno %d\n",
-                 PyThread_get_thread_ident(), e));
-        threadID = (unsigned)-1;
-        HeapFree(GetProcessHeap(), 0, obj);
-    }
-    else {
-        dprintf(("%lu: PyThread_start_new_thread succeeded: %p\n",
-                 PyThread_get_thread_ident(), (void*)hThread));
-        CloseHandle(hThread);
-    }
-    return threadID;
-}
-
-/*
- * Return the thread Id instead of a handle. The Id is said to uniquely identify the
- * thread in the system
- */
-unsigned long
-PyThread_get_thread_ident(void)
-{
-    if (!initialized)
-        PyThread_init_thread();
-
-    return GetCurrentThreadId();
-}
-
+    size_t stacksize = tstate ? tstate->interp->pythread_stacksize : 0; 
+    hThread = (HANDLE)_beginthreadex(0, 
+                      Py_SAFE_DOWNCAST(stacksize, Py_ssize_t, unsigned int), 
+                      bootstrap, obj, 
+                      0, &threadID); 
+    if (hThread == 0) { 
+        /* I've seen errno == EAGAIN here, which means "there are 
+         * too many threads". 
+         */ 
+        int e = errno; 
+        dprintf(("%lu: PyThread_start_new_thread failed, errno %d\n", 
+                 PyThread_get_thread_ident(), e)); 
+        threadID = (unsigned)-1; 
+        HeapFree(GetProcessHeap(), 0, obj); 
+    } 
+    else { 
+        dprintf(("%lu: PyThread_start_new_thread succeeded: %p\n", 
+                 PyThread_get_thread_ident(), (void*)hThread)); 
+        CloseHandle(hThread); 
+    } 
+    return threadID; 
+} 
+ 
+/* 
+ * Return the thread Id instead of a handle. The Id is said to uniquely identify the 
+ * thread in the system 
+ */ 
+unsigned long 
+PyThread_get_thread_ident(void) 
+{ 
+    if (!initialized) 
+        PyThread_init_thread(); 
+ 
+    return GetCurrentThreadId(); 
+} 
+ 
 #ifdef PY_HAVE_THREAD_NATIVE_ID
 /*
  * Return the native Thread ID (TID) of the calling thread.
@@ -258,248 +258,248 @@ PyThread_get_thread_native_id(void)
 #endif
 
 void _Py_NO_RETURN
-PyThread_exit_thread(void)
-{
-    dprintf(("%lu: PyThread_exit_thread called\n", PyThread_get_thread_ident()));
-    if (!initialized)
-        exit(0);
-    _endthreadex(0);
-}
-
-/*
- * Lock support. It has to be implemented as semaphores.
- * I [Dag] tried to implement it with mutex but I could find a way to
- * tell whether a thread already own the lock or not.
- */
-PyThread_type_lock
-PyThread_allocate_lock(void)
-{
-    PNRMUTEX aLock;
-
-    dprintf(("PyThread_allocate_lock called\n"));
-    if (!initialized)
-        PyThread_init_thread();
-
-    aLock = AllocNonRecursiveMutex() ;
-
-    dprintf(("%lu: PyThread_allocate_lock() -> %p\n", PyThread_get_thread_ident(), aLock));
-
-    return (PyThread_type_lock) aLock;
-}
-
-void
-PyThread_free_lock(PyThread_type_lock aLock)
-{
-    dprintf(("%lu: PyThread_free_lock(%p) called\n", PyThread_get_thread_ident(),aLock));
-
-    FreeNonRecursiveMutex(aLock) ;
-}
-
-/*
- * Return 1 on success if the lock was acquired
- *
- * and 0 if the lock was not acquired. This means a 0 is returned
- * if the lock has already been acquired by this thread!
- */
-PyLockStatus
-PyThread_acquire_lock_timed(PyThread_type_lock aLock,
-                            PY_TIMEOUT_T microseconds, int intr_flag)
-{
-    /* Fow now, intr_flag does nothing on Windows, and lock acquires are
-     * uninterruptible.  */
-    PyLockStatus success;
-    PY_TIMEOUT_T milliseconds;
-
-    if (microseconds >= 0) {
-        milliseconds = microseconds / 1000;
-        if (microseconds % 1000 > 0)
-            ++milliseconds;
-        if (milliseconds > PY_DWORD_MAX) {
-            Py_FatalError("Timeout larger than PY_TIMEOUT_MAX");
-        }
-    }
-    else {
-        milliseconds = INFINITE;
-    }
-
-    dprintf(("%lu: PyThread_acquire_lock_timed(%p, %lld) called\n",
-             PyThread_get_thread_ident(), aLock, microseconds));
-
-    if (aLock && EnterNonRecursiveMutex((PNRMUTEX)aLock,
-                                        (DWORD)milliseconds) == WAIT_OBJECT_0) {
-        success = PY_LOCK_ACQUIRED;
-    }
-    else {
-        success = PY_LOCK_FAILURE;
-    }
-
-    dprintf(("%lu: PyThread_acquire_lock(%p, %lld) -> %d\n",
-             PyThread_get_thread_ident(), aLock, microseconds, success));
-
-    return success;
-}
-int
-PyThread_acquire_lock(PyThread_type_lock aLock, int waitflag)
-{
-    return PyThread_acquire_lock_timed(aLock, waitflag ? -1 : 0, 0);
-}
-
-void
-PyThread_release_lock(PyThread_type_lock aLock)
-{
-    dprintf(("%lu: PyThread_release_lock(%p) called\n", PyThread_get_thread_ident(),aLock));
-
-    if (!(aLock && LeaveNonRecursiveMutex((PNRMUTEX) aLock)))
-        dprintf(("%lu: Could not PyThread_release_lock(%p) error: %ld\n", PyThread_get_thread_ident(), aLock, GetLastError()));
-}
-
-/* minimum/maximum thread stack sizes supported */
-#define THREAD_MIN_STACKSIZE    0x8000          /* 32 KiB */
-#define THREAD_MAX_STACKSIZE    0x10000000      /* 256 MiB */
-
-/* set the thread stack size.
- * Return 0 if size is valid, -1 otherwise.
- */
-static int
-_pythread_nt_set_stacksize(size_t size)
-{
-    /* set to default */
-    if (size == 0) {
+PyThread_exit_thread(void) 
+{ 
+    dprintf(("%lu: PyThread_exit_thread called\n", PyThread_get_thread_ident())); 
+    if (!initialized) 
+        exit(0); 
+    _endthreadex(0); 
+} 
+ 
+/* 
+ * Lock support. It has to be implemented as semaphores. 
+ * I [Dag] tried to implement it with mutex but I could find a way to 
+ * tell whether a thread already own the lock or not. 
+ */ 
+PyThread_type_lock 
+PyThread_allocate_lock(void) 
+{ 
+    PNRMUTEX aLock; 
+ 
+    dprintf(("PyThread_allocate_lock called\n")); 
+    if (!initialized) 
+        PyThread_init_thread(); 
+ 
+    aLock = AllocNonRecursiveMutex() ; 
+ 
+    dprintf(("%lu: PyThread_allocate_lock() -> %p\n", PyThread_get_thread_ident(), aLock)); 
+ 
+    return (PyThread_type_lock) aLock; 
+} 
+ 
+void 
+PyThread_free_lock(PyThread_type_lock aLock) 
+{ 
+    dprintf(("%lu: PyThread_free_lock(%p) called\n", PyThread_get_thread_ident(),aLock)); 
+ 
+    FreeNonRecursiveMutex(aLock) ; 
+} 
+ 
+/* 
+ * Return 1 on success if the lock was acquired 
+ * 
+ * and 0 if the lock was not acquired. This means a 0 is returned 
+ * if the lock has already been acquired by this thread! 
+ */ 
+PyLockStatus 
+PyThread_acquire_lock_timed(PyThread_type_lock aLock, 
+                            PY_TIMEOUT_T microseconds, int intr_flag) 
+{ 
+    /* Fow now, intr_flag does nothing on Windows, and lock acquires are 
+     * uninterruptible.  */ 
+    PyLockStatus success; 
+    PY_TIMEOUT_T milliseconds; 
+ 
+    if (microseconds >= 0) { 
+        milliseconds = microseconds / 1000; 
+        if (microseconds % 1000 > 0) 
+            ++milliseconds; 
+        if (milliseconds > PY_DWORD_MAX) { 
+            Py_FatalError("Timeout larger than PY_TIMEOUT_MAX"); 
+        } 
+    } 
+    else { 
+        milliseconds = INFINITE; 
+    } 
+ 
+    dprintf(("%lu: PyThread_acquire_lock_timed(%p, %lld) called\n", 
+             PyThread_get_thread_ident(), aLock, microseconds)); 
+ 
+    if (aLock && EnterNonRecursiveMutex((PNRMUTEX)aLock, 
+                                        (DWORD)milliseconds) == WAIT_OBJECT_0) { 
+        success = PY_LOCK_ACQUIRED; 
+    } 
+    else { 
+        success = PY_LOCK_FAILURE; 
+    } 
+ 
+    dprintf(("%lu: PyThread_acquire_lock(%p, %lld) -> %d\n", 
+             PyThread_get_thread_ident(), aLock, microseconds, success)); 
+ 
+    return success; 
+} 
+int 
+PyThread_acquire_lock(PyThread_type_lock aLock, int waitflag) 
+{ 
+    return PyThread_acquire_lock_timed(aLock, waitflag ? -1 : 0, 0); 
+} 
+ 
+void 
+PyThread_release_lock(PyThread_type_lock aLock) 
+{ 
+    dprintf(("%lu: PyThread_release_lock(%p) called\n", PyThread_get_thread_ident(),aLock)); 
+ 
+    if (!(aLock && LeaveNonRecursiveMutex((PNRMUTEX) aLock))) 
+        dprintf(("%lu: Could not PyThread_release_lock(%p) error: %ld\n", PyThread_get_thread_ident(), aLock, GetLastError())); 
+} 
+ 
+/* minimum/maximum thread stack sizes supported */ 
+#define THREAD_MIN_STACKSIZE    0x8000          /* 32 KiB */ 
+#define THREAD_MAX_STACKSIZE    0x10000000      /* 256 MiB */ 
+ 
+/* set the thread stack size. 
+ * Return 0 if size is valid, -1 otherwise. 
+ */ 
+static int 
+_pythread_nt_set_stacksize(size_t size) 
+{ 
+    /* set to default */ 
+    if (size == 0) { 
         _PyInterpreterState_GET()->pythread_stacksize = 0;
-        return 0;
-    }
-
-    /* valid range? */
-    if (size >= THREAD_MIN_STACKSIZE && size < THREAD_MAX_STACKSIZE) {
+        return 0; 
+    } 
+ 
+    /* valid range? */ 
+    if (size >= THREAD_MIN_STACKSIZE && size < THREAD_MAX_STACKSIZE) { 
         _PyInterpreterState_GET()->pythread_stacksize = size;
-        return 0;
-    }
-
-    return -1;
-}
-
-#define THREAD_SET_STACKSIZE(x) _pythread_nt_set_stacksize(x)
-
-
-/* Thread Local Storage (TLS) API
-
-   This API is DEPRECATED since Python 3.7.  See PEP 539 for details.
-*/
-
-int
-PyThread_create_key(void)
-{
-    DWORD result = TlsAlloc();
-    if (result == TLS_OUT_OF_INDEXES)
-        return -1;
-    return (int)result;
-}
-
-void
-PyThread_delete_key(int key)
-{
-    TlsFree(key);
-}
-
-int
-PyThread_set_key_value(int key, void *value)
-{
-    BOOL ok = TlsSetValue(key, value);
-    return ok ? 0 : -1;
-}
-
-void *
-PyThread_get_key_value(int key)
-{
-    /* because TLS is used in the Py_END_ALLOW_THREAD macro,
-     * it is necessary to preserve the windows error state, because
-     * it is assumed to be preserved across the call to the macro.
-     * Ideally, the macro should be fixed, but it is simpler to
-     * do it here.
-     */
-    DWORD error = GetLastError();
-    void *result = TlsGetValue(key);
-    SetLastError(error);
-    return result;
-}
-
-void
-PyThread_delete_key_value(int key)
-{
-    /* NULL is used as "key missing", and it is also the default
-     * given by TlsGetValue() if nothing has been set yet.
-     */
-    TlsSetValue(key, NULL);
-}
-
-
-/* reinitialization of TLS is not necessary after fork when using
- * the native TLS functions.  And forking isn't supported on Windows either.
- */
-void
-PyThread_ReInitTLS(void)
-{
-}
-
-
-/* Thread Specific Storage (TSS) API
-
-   Platform-specific components of TSS API implementation.
-*/
-
-int
-PyThread_tss_create(Py_tss_t *key)
-{
-    assert(key != NULL);
-    /* If the key has been created, function is silently skipped. */
-    if (key->_is_initialized) {
-        return 0;
-    }
-
-    DWORD result = TlsAlloc();
-    if (result == TLS_OUT_OF_INDEXES) {
-        return -1;
-    }
-    /* In Windows, platform-specific key type is DWORD. */
-    key->_key = result;
-    key->_is_initialized = 1;
-    return 0;
-}
-
-void
-PyThread_tss_delete(Py_tss_t *key)
-{
-    assert(key != NULL);
-    /* If the key has not been created, function is silently skipped. */
-    if (!key->_is_initialized) {
-        return;
-    }
-
-    TlsFree(key->_key);
-    key->_key = TLS_OUT_OF_INDEXES;
-    key->_is_initialized = 0;
-}
-
-int
-PyThread_tss_set(Py_tss_t *key, void *value)
-{
-    assert(key != NULL);
-    BOOL ok = TlsSetValue(key->_key, value);
-    return ok ? 0 : -1;
-}
-
-void *
-PyThread_tss_get(Py_tss_t *key)
-{
-    assert(key != NULL);
-    /* because TSS is used in the Py_END_ALLOW_THREAD macro,
-     * it is necessary to preserve the windows error state, because
-     * it is assumed to be preserved across the call to the macro.
-     * Ideally, the macro should be fixed, but it is simpler to
-     * do it here.
-     */
-    DWORD error = GetLastError();
-    void *result = TlsGetValue(key->_key);
-    SetLastError(error);
-    return result;
-}
+        return 0; 
+    } 
+ 
+    return -1; 
+} 
+ 
+#define THREAD_SET_STACKSIZE(x) _pythread_nt_set_stacksize(x) 
+ 
+ 
+/* Thread Local Storage (TLS) API 
+ 
+   This API is DEPRECATED since Python 3.7.  See PEP 539 for details. 
+*/ 
+ 
+int 
+PyThread_create_key(void) 
+{ 
+    DWORD result = TlsAlloc(); 
+    if (result == TLS_OUT_OF_INDEXES) 
+        return -1; 
+    return (int)result; 
+} 
+ 
+void 
+PyThread_delete_key(int key) 
+{ 
+    TlsFree(key); 
+} 
+ 
+int 
+PyThread_set_key_value(int key, void *value) 
+{ 
+    BOOL ok = TlsSetValue(key, value); 
+    return ok ? 0 : -1; 
+} 
+ 
+void * 
+PyThread_get_key_value(int key) 
+{ 
+    /* because TLS is used in the Py_END_ALLOW_THREAD macro, 
+     * it is necessary to preserve the windows error state, because 
+     * it is assumed to be preserved across the call to the macro. 
+     * Ideally, the macro should be fixed, but it is simpler to 
+     * do it here. 
+     */ 
+    DWORD error = GetLastError(); 
+    void *result = TlsGetValue(key); 
+    SetLastError(error); 
+    return result; 
+} 
+ 
+void 
+PyThread_delete_key_value(int key) 
+{ 
+    /* NULL is used as "key missing", and it is also the default 
+     * given by TlsGetValue() if nothing has been set yet. 
+     */ 
+    TlsSetValue(key, NULL); 
+} 
+ 
+ 
+/* reinitialization of TLS is not necessary after fork when using 
+ * the native TLS functions.  And forking isn't supported on Windows either. 
+ */ 
+void 
+PyThread_ReInitTLS(void) 
+{ 
+} 
+ 
+ 
+/* Thread Specific Storage (TSS) API 
+ 
+   Platform-specific components of TSS API implementation. 
+*/ 
+ 
+int 
+PyThread_tss_create(Py_tss_t *key) 
+{ 
+    assert(key != NULL); 
+    /* If the key has been created, function is silently skipped. */ 
+    if (key->_is_initialized) { 
+        return 0; 
+    } 
+ 
+    DWORD result = TlsAlloc(); 
+    if (result == TLS_OUT_OF_INDEXES) { 
+        return -1; 
+    } 
+    /* In Windows, platform-specific key type is DWORD. */ 
+    key->_key = result; 
+    key->_is_initialized = 1; 
+    return 0; 
+} 
+ 
+void 
+PyThread_tss_delete(Py_tss_t *key) 
+{ 
+    assert(key != NULL); 
+    /* If the key has not been created, function is silently skipped. */ 
+    if (!key->_is_initialized) { 
+        return; 
+    } 
+ 
+    TlsFree(key->_key); 
+    key->_key = TLS_OUT_OF_INDEXES; 
+    key->_is_initialized = 0; 
+} 
+ 
+int 
+PyThread_tss_set(Py_tss_t *key, void *value) 
+{ 
+    assert(key != NULL); 
+    BOOL ok = TlsSetValue(key->_key, value); 
+    return ok ? 0 : -1; 
+} 
+ 
+void * 
+PyThread_tss_get(Py_tss_t *key) 
+{ 
+    assert(key != NULL); 
+    /* because TSS is used in the Py_END_ALLOW_THREAD macro, 
+     * it is necessary to preserve the windows error state, because 
+     * it is assumed to be preserved across the call to the macro. 
+     * Ideally, the macro should be fixed, but it is simpler to 
+     * do it here. 
+     */ 
+    DWORD error = GetLastError(); 
+    void *result = TlsGetValue(key->_key); 
+    SetLastError(error); 
+    return result; 
+}