Untabify C files. Will watch buildbots.

1 files changed, 446 insertions, 446 deletions

diff --git a/Modules/_multiprocessing/semaphore.c b/Modules/_multiprocessing/semaphore.c
index d282b77..1dfd08e 100644
--- a/Modules/_multiprocessing/semaphore.c
+++ b/Modules/_multiprocessing/semaphore.c
@@ -11,12 +11,12 @@
 enum { RECURSIVE_MUTEX, SEMAPHORE };
 
 typedef struct {
-	PyObject_HEAD
-	SEM_HANDLE handle;
-	long last_tid;
-	int count;
-	int maxvalue;
-	int kind;
+    PyObject_HEAD
+    SEM_HANDLE handle;
+    long last_tid;
+    int count;
+    int maxvalue;
+    int kind;
 } SemLockObject;
 
 #define ISMINE(o) (o->count > 0 && PyThread_get_thread_ident() == o->last_tid)
@@ -40,148 +40,148 @@ typedef struct {
 static int
 _GetSemaphoreValue(HANDLE handle, long *value)
 {
-	long previous;
-
-	switch (WaitForSingleObject(handle, 0)) {
-	case WAIT_OBJECT_0:
-		if (!ReleaseSemaphore(handle, 1, &previous))
-			return MP_STANDARD_ERROR;
-		*value = previous + 1;
-		return 0;
-	case WAIT_TIMEOUT:
-		*value = 0;
-		return 0;
-	default:
-		return MP_STANDARD_ERROR;
-	}
+    long previous;
+
+    switch (WaitForSingleObject(handle, 0)) {
+    case WAIT_OBJECT_0:
+        if (!ReleaseSemaphore(handle, 1, &previous))
+            return MP_STANDARD_ERROR;
+        *value = previous + 1;
+        return 0;
+    case WAIT_TIMEOUT:
+        *value = 0;
+        return 0;
+    default:
+        return MP_STANDARD_ERROR;
+    }
 }
 
 static PyObject *
 semlock_acquire(SemLockObject *self, PyObject *args, PyObject *kwds)
 {
-	int blocking = 1;
-	double timeout;
-	PyObject *timeout_obj = Py_None;
-	DWORD res, full_msecs, msecs, start, ticks;
-
-	static char *kwlist[] = {"block", "timeout", NULL};
-
-	if (!PyArg_ParseTupleAndKeywords(args, kwds, "|iO", kwlist,
-					 &blocking, &timeout_obj))
-		return NULL;
-
-	/* calculate timeout */
-	if (!blocking) {
-		full_msecs = 0;
-	} else if (timeout_obj == Py_None) {
-		full_msecs = INFINITE;
-	} else {
-		timeout = PyFloat_AsDouble(timeout_obj);
-		if (PyErr_Occurred())
-			return NULL;
-		timeout *= 1000.0;      /* convert to millisecs */
-		if (timeout < 0.0) {
-			timeout = 0.0;
-		} else if (timeout >= 0.5 * INFINITE) { /* 25 days */
-			PyErr_SetString(PyExc_OverflowError,
-					"timeout is too large");
-			return NULL;
-		}
-		full_msecs = (DWORD)(timeout + 0.5);
-	}
-	
-	/* check whether we already own the lock */
-	if (self->kind == RECURSIVE_MUTEX && ISMINE(self)) {
-		++self->count;
-		Py_RETURN_TRUE;
-	}
-
-	/* check whether we can acquire without blocking */
-	if (WaitForSingleObject(self->handle, 0) == WAIT_OBJECT_0) {
-		self->last_tid = GetCurrentThreadId();
-		++self->count;
-		Py_RETURN_TRUE;
-	}
-	
-	msecs = full_msecs;
-	start = GetTickCount();
-
-	for ( ; ; ) {
-		HANDLE handles[2] = {self->handle, sigint_event};
-		
-		/* do the wait */
-		Py_BEGIN_ALLOW_THREADS
-		ResetEvent(sigint_event);
-		res = WaitForMultipleObjects(2, handles, FALSE, msecs);
-		Py_END_ALLOW_THREADS
-		
-		/* handle result */
-		if (res != WAIT_OBJECT_0 + 1)
-			break;
-		
-		/* got SIGINT so give signal handler a chance to run */
-		Sleep(1);
-		
-		/* if this is main thread let KeyboardInterrupt be raised */
-		if (PyErr_CheckSignals())
-			return NULL;
-		
-		/* recalculate timeout */
-		if (msecs != INFINITE) {
-			ticks = GetTickCount();
-			if ((DWORD)(ticks - start) >= full_msecs)
-				Py_RETURN_FALSE;
-			msecs = full_msecs - (ticks - start);
-		}
-	}
-	
-	/* handle result */
-	switch (res) {
-	case WAIT_TIMEOUT:
-		Py_RETURN_FALSE;
-	case WAIT_OBJECT_0:
-		self->last_tid = GetCurrentThreadId();
-		++self->count;
-		Py_RETURN_TRUE;
-	case WAIT_FAILED:
-		return PyErr_SetFromWindowsErr(0);
-	default:
-		PyErr_Format(PyExc_RuntimeError, "WaitForSingleObject() or "
-			     "WaitForMultipleObjects() gave unrecognized "
-			     "value %d", res);
-		return NULL;
-	}
+    int blocking = 1;
+    double timeout;
+    PyObject *timeout_obj = Py_None;
+    DWORD res, full_msecs, msecs, start, ticks;
+
+    static char *kwlist[] = {"block", "timeout", NULL};
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwds, "|iO", kwlist,
+                                     &blocking, &timeout_obj))
+        return NULL;
+
+    /* calculate timeout */
+    if (!blocking) {
+        full_msecs = 0;
+    } else if (timeout_obj == Py_None) {
+        full_msecs = INFINITE;
+    } else {
+        timeout = PyFloat_AsDouble(timeout_obj);
+        if (PyErr_Occurred())
+            return NULL;
+        timeout *= 1000.0;      /* convert to millisecs */
+        if (timeout < 0.0) {
+            timeout = 0.0;
+        } else if (timeout >= 0.5 * INFINITE) { /* 25 days */
+            PyErr_SetString(PyExc_OverflowError,
+                            "timeout is too large");
+            return NULL;
+        }
+        full_msecs = (DWORD)(timeout + 0.5);
+    }
+
+    /* check whether we already own the lock */
+    if (self->kind == RECURSIVE_MUTEX && ISMINE(self)) {
+        ++self->count;
+        Py_RETURN_TRUE;
+    }
+
+    /* check whether we can acquire without blocking */
+    if (WaitForSingleObject(self->handle, 0) == WAIT_OBJECT_0) {
+        self->last_tid = GetCurrentThreadId();
+        ++self->count;
+        Py_RETURN_TRUE;
+    }
+
+    msecs = full_msecs;
+    start = GetTickCount();
+
+    for ( ; ; ) {
+        HANDLE handles[2] = {self->handle, sigint_event};
+
+        /* do the wait */
+        Py_BEGIN_ALLOW_THREADS
+        ResetEvent(sigint_event);
+        res = WaitForMultipleObjects(2, handles, FALSE, msecs);
+        Py_END_ALLOW_THREADS
+
+        /* handle result */
+        if (res != WAIT_OBJECT_0 + 1)
+            break;
+
+        /* got SIGINT so give signal handler a chance to run */
+        Sleep(1);
+
+        /* if this is main thread let KeyboardInterrupt be raised */
+        if (PyErr_CheckSignals())
+            return NULL;
+
+        /* recalculate timeout */
+        if (msecs != INFINITE) {
+            ticks = GetTickCount();
+            if ((DWORD)(ticks - start) >= full_msecs)
+                Py_RETURN_FALSE;
+            msecs = full_msecs - (ticks - start);
+        }
+    }
+
+    /* handle result */
+    switch (res) {
+    case WAIT_TIMEOUT:
+        Py_RETURN_FALSE;
+    case WAIT_OBJECT_0:
+        self->last_tid = GetCurrentThreadId();
+        ++self->count;
+        Py_RETURN_TRUE;
+    case WAIT_FAILED:
+        return PyErr_SetFromWindowsErr(0);
+    default:
+        PyErr_Format(PyExc_RuntimeError, "WaitForSingleObject() or "
+                     "WaitForMultipleObjects() gave unrecognized "
+                     "value %d", res);
+        return NULL;
+    }
 }
 
 static PyObject *
 semlock_release(SemLockObject *self, PyObject *args)
 {
-	if (self->kind == RECURSIVE_MUTEX) {
-		if (!ISMINE(self)) {
-			PyErr_SetString(PyExc_AssertionError, "attempt to "
-					"release recursive lock not owned "
-					"by thread");
-			return NULL;
-		}
-		if (self->count > 1) {
-			--self->count;
-			Py_RETURN_NONE;
-		}
-		assert(self->count == 1);
-	}
-
-	if (!ReleaseSemaphore(self->handle, 1, NULL)) {
-		if (GetLastError() == ERROR_TOO_MANY_POSTS) {
-			PyErr_SetString(PyExc_ValueError, "semaphore or lock "
-					"released too many times");
-			return NULL;
-		} else {
-			return PyErr_SetFromWindowsErr(0);
-		}
-	}
-
-	--self->count;
-	Py_RETURN_NONE;
+    if (self->kind == RECURSIVE_MUTEX) {
+        if (!ISMINE(self)) {
+            PyErr_SetString(PyExc_AssertionError, "attempt to "
+                            "release recursive lock not owned "
+                            "by thread");
+            return NULL;
+        }
+        if (self->count > 1) {
+            --self->count;
+            Py_RETURN_NONE;
+        }
+        assert(self->count == 1);
+    }
+
+    if (!ReleaseSemaphore(self->handle, 1, NULL)) {
+        if (GetLastError() == ERROR_TOO_MANY_POSTS) {
+            PyErr_SetString(PyExc_ValueError, "semaphore or lock "
+                            "released too many times");
+            return NULL;
+        } else {
+            return PyErr_SetFromWindowsErr(0);
+        }
+    }
+
+    --self->count;
+    Py_RETURN_NONE;
 }
 
 #else /* !MS_WINDOWS */
@@ -207,59 +207,59 @@ semlock_release(SemLockObject *self, PyObject *args)
 int
 sem_timedwait_save(sem_t *sem, struct timespec *deadline, PyThreadState *_save)
 {
-	int res;
-	unsigned long delay, difference;
-	struct timeval now, tvdeadline, tvdelay;
-
-	errno = 0;
-	tvdeadline.tv_sec = deadline->tv_sec;
-	tvdeadline.tv_usec = deadline->tv_nsec / 1000;
-
-	for (delay = 0 ; ; delay += 1000) {
-		/* poll */
-		if (sem_trywait(sem) == 0)
-			return 0;
-		else if (errno != EAGAIN)
-			return MP_STANDARD_ERROR;
-
-		/* get current time */
-		if (gettimeofday(&now, NULL) < 0)
-			return MP_STANDARD_ERROR;
-
-		/* check for timeout */
-		if (tvdeadline.tv_sec < now.tv_sec || 
-		    (tvdeadline.tv_sec == now.tv_sec && 
-		     tvdeadline.tv_usec <= now.tv_usec)) {
-			errno = ETIMEDOUT;
-			return MP_STANDARD_ERROR;
-		}
-
-		/* calculate how much time is left */
-		difference = (tvdeadline.tv_sec - now.tv_sec) * 1000000 + 
-			(tvdeadline.tv_usec - now.tv_usec);
-
-		/* check delay not too long -- maximum is 20 msecs */
-		if (delay > 20000)
-			delay = 20000;
-		if (delay > difference)
-			delay = difference;
-
-		/* sleep */
-		tvdelay.tv_sec = delay / 1000000;
-		tvdelay.tv_usec = delay % 1000000;
-		if (select(0, NULL, NULL, NULL, &tvdelay) < 0)
-			return MP_STANDARD_ERROR;
-
-		/* check for signals */
-		Py_BLOCK_THREADS 
-		res = PyErr_CheckSignals();
-		Py_UNBLOCK_THREADS
-
-		if (res) {
-			errno = EINTR;
-			return MP_EXCEPTION_HAS_BEEN_SET;
-		}
-	}
+    int res;
+    unsigned long delay, difference;
+    struct timeval now, tvdeadline, tvdelay;
+
+    errno = 0;
+    tvdeadline.tv_sec = deadline->tv_sec;
+    tvdeadline.tv_usec = deadline->tv_nsec / 1000;
+
+    for (delay = 0 ; ; delay += 1000) {
+        /* poll */
+        if (sem_trywait(sem) == 0)
+            return 0;
+        else if (errno != EAGAIN)
+            return MP_STANDARD_ERROR;
+
+        /* get current time */
+        if (gettimeofday(&now, NULL) < 0)
+            return MP_STANDARD_ERROR;
+
+        /* check for timeout */
+        if (tvdeadline.tv_sec < now.tv_sec ||
+            (tvdeadline.tv_sec == now.tv_sec &&
+             tvdeadline.tv_usec <= now.tv_usec)) {
+            errno = ETIMEDOUT;
+            return MP_STANDARD_ERROR;
+        }
+
+        /* calculate how much time is left */
+        difference = (tvdeadline.tv_sec - now.tv_sec) * 1000000 +
+            (tvdeadline.tv_usec - now.tv_usec);
+
+        /* check delay not too long -- maximum is 20 msecs */
+        if (delay > 20000)
+            delay = 20000;
+        if (delay > difference)
+            delay = difference;
+
+        /* sleep */
+        tvdelay.tv_sec = delay / 1000000;
+        tvdelay.tv_usec = delay % 1000000;
+        if (select(0, NULL, NULL, NULL, &tvdelay) < 0)
+            return MP_STANDARD_ERROR;
+
+        /* check for signals */
+        Py_BLOCK_THREADS
+        res = PyErr_CheckSignals();
+        Py_UNBLOCK_THREADS
+
+        if (res) {
+            errno = EINTR;
+            return MP_EXCEPTION_HAS_BEEN_SET;
+        }
+    }
 }
 
 #endif /* !HAVE_SEM_TIMEDWAIT */
@@ -267,129 +267,129 @@ sem_timedwait_save(sem_t *sem, struct timespec *deadline, PyThreadState *_save)
 static PyObject *
 semlock_acquire(SemLockObject *self, PyObject *args, PyObject *kwds)
 {
-	int blocking = 1, res;
-	double timeout;
-	PyObject *timeout_obj = Py_None;
-	struct timespec deadline = {0};
-	struct timeval now;
-	long sec, nsec;
-
-	static char *kwlist[] = {"block", "timeout", NULL};
-
-	if (!PyArg_ParseTupleAndKeywords(args, kwds, "|iO", kwlist,
-					 &blocking, &timeout_obj))
-		return NULL;
-
-	if (self->kind == RECURSIVE_MUTEX && ISMINE(self)) {
-		++self->count;
-		Py_RETURN_TRUE;
-	}
-
-	if (timeout_obj != Py_None) {
-		timeout = PyFloat_AsDouble(timeout_obj);
-		if (PyErr_Occurred())
-			return NULL;
-		if (timeout < 0.0)
-			timeout = 0.0;
-
-		if (gettimeofday(&now, NULL) < 0) {
-			PyErr_SetFromErrno(PyExc_OSError);
-			return NULL;
-		}
-		sec = (long) timeout;
-		nsec = (long) (1e9 * (timeout - sec) + 0.5);
-		deadline.tv_sec = now.tv_sec + sec;
-		deadline.tv_nsec = now.tv_usec * 1000 + nsec;
-		deadline.tv_sec += (deadline.tv_nsec / 1000000000);
-		deadline.tv_nsec %= 1000000000;
-	}
-
-	do {
-		Py_BEGIN_ALLOW_THREADS
-		if (blocking && timeout_obj == Py_None)
-			res = sem_wait(self->handle);
-		else if (!blocking)
-			res = sem_trywait(self->handle);
-		else
-			res = sem_timedwait(self->handle, &deadline);
-		Py_END_ALLOW_THREADS
-		if (res == MP_EXCEPTION_HAS_BEEN_SET)
-			break;
-	} while (res < 0 && errno == EINTR && !PyErr_CheckSignals());
-
-	if (res < 0) {
-		if (errno == EAGAIN || errno == ETIMEDOUT)
-			Py_RETURN_FALSE;
-		else if (errno == EINTR)
-			return NULL;
-		else
-			return PyErr_SetFromErrno(PyExc_OSError);
-	}
-
-	++self->count;
-	self->last_tid = PyThread_get_thread_ident();
-
-	Py_RETURN_TRUE;
+    int blocking = 1, res;
+    double timeout;
+    PyObject *timeout_obj = Py_None;
+    struct timespec deadline = {0};
+    struct timeval now;
+    long sec, nsec;
+
+    static char *kwlist[] = {"block", "timeout", NULL};
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwds, "|iO", kwlist,
+                                     &blocking, &timeout_obj))
+        return NULL;
+
+    if (self->kind == RECURSIVE_MUTEX && ISMINE(self)) {
+        ++self->count;
+        Py_RETURN_TRUE;
+    }
+
+    if (timeout_obj != Py_None) {
+        timeout = PyFloat_AsDouble(timeout_obj);
+        if (PyErr_Occurred())
+            return NULL;
+        if (timeout < 0.0)
+            timeout = 0.0;
+
+        if (gettimeofday(&now, NULL) < 0) {
+            PyErr_SetFromErrno(PyExc_OSError);
+            return NULL;
+        }
+        sec = (long) timeout;
+        nsec = (long) (1e9 * (timeout - sec) + 0.5);
+        deadline.tv_sec = now.tv_sec + sec;
+        deadline.tv_nsec = now.tv_usec * 1000 + nsec;
+        deadline.tv_sec += (deadline.tv_nsec / 1000000000);
+        deadline.tv_nsec %= 1000000000;
+    }
+
+    do {
+        Py_BEGIN_ALLOW_THREADS
+        if (blocking && timeout_obj == Py_None)
+            res = sem_wait(self->handle);
+        else if (!blocking)
+            res = sem_trywait(self->handle);
+        else
+            res = sem_timedwait(self->handle, &deadline);
+        Py_END_ALLOW_THREADS
+        if (res == MP_EXCEPTION_HAS_BEEN_SET)
+            break;
+    } while (res < 0 && errno == EINTR && !PyErr_CheckSignals());
+
+    if (res < 0) {
+        if (errno == EAGAIN || errno == ETIMEDOUT)
+            Py_RETURN_FALSE;
+        else if (errno == EINTR)
+            return NULL;
+        else
+            return PyErr_SetFromErrno(PyExc_OSError);
+    }
+
+    ++self->count;
+    self->last_tid = PyThread_get_thread_ident();
+
+    Py_RETURN_TRUE;
 }
 
 static PyObject *
 semlock_release(SemLockObject *self, PyObject *args)
 {
-	if (self->kind == RECURSIVE_MUTEX) {
-		if (!ISMINE(self)) {
-			PyErr_SetString(PyExc_AssertionError, "attempt to "
-					"release recursive lock not owned "
-					"by thread");
-			return NULL;
-		}
-		if (self->count > 1) {
-			--self->count;
-			Py_RETURN_NONE;
-		}
-		assert(self->count == 1);
-	} else {
+    if (self->kind == RECURSIVE_MUTEX) {
+        if (!ISMINE(self)) {
+            PyErr_SetString(PyExc_AssertionError, "attempt to "
+                            "release recursive lock not owned "
+                            "by thread");
+            return NULL;
+        }
+        if (self->count > 1) {
+            --self->count;
+            Py_RETURN_NONE;
+        }
+        assert(self->count == 1);
+    } else {
 #ifdef HAVE_BROKEN_SEM_GETVALUE
-		/* We will only check properly the maxvalue == 1 case */
-		if (self->maxvalue == 1) {
-			/* make sure that already locked */
-			if (sem_trywait(self->handle) < 0) {
-				if (errno != EAGAIN) {
-					PyErr_SetFromErrno(PyExc_OSError);
-					return NULL;
-				}
-				/* it is already locked as expected */
-			} else {
-				/* it was not locked so undo wait and raise  */
-				if (sem_post(self->handle) < 0) {
-					PyErr_SetFromErrno(PyExc_OSError);
-					return NULL;
-				}
-				PyErr_SetString(PyExc_ValueError, "semaphore "
-						"or lock released too many "
-						"times");
-				return NULL;
-			}
-		}
+        /* We will only check properly the maxvalue == 1 case */
+        if (self->maxvalue == 1) {
+            /* make sure that already locked */
+            if (sem_trywait(self->handle) < 0) {
+                if (errno != EAGAIN) {
+                    PyErr_SetFromErrno(PyExc_OSError);
+                    return NULL;
+                }
+                /* it is already locked as expected */
+            } else {
+                /* it was not locked so undo wait and raise  */
+                if (sem_post(self->handle) < 0) {
+                    PyErr_SetFromErrno(PyExc_OSError);
+                    return NULL;
+                }
+                PyErr_SetString(PyExc_ValueError, "semaphore "
+                                "or lock released too many "
+                                "times");
+                return NULL;
+            }
+        }
 #else
-		int sval;
-
-		/* This check is not an absolute guarantee that the semaphore
-		   does not rise above maxvalue. */
-		if (sem_getvalue(self->handle, &sval) < 0) {
-			return PyErr_SetFromErrno(PyExc_OSError);
-		} else if (sval >= self->maxvalue) {
-			PyErr_SetString(PyExc_ValueError, "semaphore or lock "
-					"released too many times");
-			return NULL;
-		}
+        int sval;
+
+        /* This check is not an absolute guarantee that the semaphore
+           does not rise above maxvalue. */
+        if (sem_getvalue(self->handle, &sval) < 0) {
+            return PyErr_SetFromErrno(PyExc_OSError);
+        } else if (sval >= self->maxvalue) {
+            PyErr_SetString(PyExc_ValueError, "semaphore or lock "
+                            "released too many times");
+            return NULL;
+        }
 #endif
-	}
+    }
 
-	if (sem_post(self->handle) < 0)
-		return PyErr_SetFromErrno(PyExc_OSError);
+    if (sem_post(self->handle) < 0)
+        return PyErr_SetFromErrno(PyExc_OSError);
 
-	--self->count;
-	Py_RETURN_NONE;
+    --self->count;
+    Py_RETURN_NONE;
 }
 
 #endif /* !MS_WINDOWS */
@@ -401,111 +401,111 @@ semlock_release(SemLockObject *self, PyObject *args)
 static PyObject *
 newsemlockobject(PyTypeObject *type, SEM_HANDLE handle, int kind, int maxvalue)
 {
-	SemLockObject *self;
-
-	self = PyObject_New(SemLockObject, type);
-	if (!self)
-		return NULL;
-	self->handle = handle;
-	self->kind = kind;
-	self->count = 0;
-	self->last_tid = 0;
-	self->maxvalue = maxvalue;
-	return (PyObject*)self;
+    SemLockObject *self;
+
+    self = PyObject_New(SemLockObject, type);
+    if (!self)
+        return NULL;
+    self->handle = handle;
+    self->kind = kind;
+    self->count = 0;
+    self->last_tid = 0;
+    self->maxvalue = maxvalue;
+    return (PyObject*)self;
 }
 
 static PyObject *
 semlock_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
 {
-	char buffer[256];
-	SEM_HANDLE handle = SEM_FAILED;
-	int kind, maxvalue, value;
-	PyObject *result;
-	static char *kwlist[] = {"kind", "value", "maxvalue", NULL};
-	static int counter = 0;
+    char buffer[256];
+    SEM_HANDLE handle = SEM_FAILED;
+    int kind, maxvalue, value;
+    PyObject *result;
+    static char *kwlist[] = {"kind", "value", "maxvalue", NULL};
+    static int counter = 0;
 
-	if (!PyArg_ParseTupleAndKeywords(args, kwds, "iii", kwlist, 
-					 &kind, &value, &maxvalue))
-		return NULL;
+    if (!PyArg_ParseTupleAndKeywords(args, kwds, "iii", kwlist,
+                                     &kind, &value, &maxvalue))
+        return NULL;
 
-	if (kind != RECURSIVE_MUTEX && kind != SEMAPHORE) {
-		PyErr_SetString(PyExc_ValueError, "unrecognized kind");
-		return NULL;
-	}
+    if (kind != RECURSIVE_MUTEX && kind != SEMAPHORE) {
+        PyErr_SetString(PyExc_ValueError, "unrecognized kind");
+        return NULL;
+    }
 
-	PyOS_snprintf(buffer, sizeof(buffer), "/mp%d-%d", getpid(), counter++);
+    PyOS_snprintf(buffer, sizeof(buffer), "/mp%d-%d", getpid(), counter++);
 
-	SEM_CLEAR_ERROR();
-	handle = SEM_CREATE(buffer, value, maxvalue);
-	/* On Windows we should fail if GetLastError()==ERROR_ALREADY_EXISTS */
-	if (handle == SEM_FAILED || SEM_GET_LAST_ERROR() != 0)
-		goto failure;
+    SEM_CLEAR_ERROR();
+    handle = SEM_CREATE(buffer, value, maxvalue);
+    /* On Windows we should fail if GetLastError()==ERROR_ALREADY_EXISTS */
+    if (handle == SEM_FAILED || SEM_GET_LAST_ERROR() != 0)
+        goto failure;
 
-	if (SEM_UNLINK(buffer) < 0)
-		goto failure;
+    if (SEM_UNLINK(buffer) < 0)
+        goto failure;
 
-	result = newsemlockobject(type, handle, kind, maxvalue);
-	if (!result)
-		goto failure;
+    result = newsemlockobject(type, handle, kind, maxvalue);
+    if (!result)
+        goto failure;
 
-	return result;
+    return result;
 
   failure:
-	if (handle != SEM_FAILED)
-		SEM_CLOSE(handle);
-	mp_SetError(NULL, MP_STANDARD_ERROR);
-	return NULL;
+    if (handle != SEM_FAILED)
+        SEM_CLOSE(handle);
+    mp_SetError(NULL, MP_STANDARD_ERROR);
+    return NULL;
 }
 
 static PyObject *
 semlock_rebuild(PyTypeObject *type, PyObject *args)
 {
-	SEM_HANDLE handle;
-	int kind, maxvalue;
+    SEM_HANDLE handle;
+    int kind, maxvalue;
 
-	if (!PyArg_ParseTuple(args, F_SEM_HANDLE "ii", 
-			      &handle, &kind, &maxvalue))
-		return NULL;
+    if (!PyArg_ParseTuple(args, F_SEM_HANDLE "ii",
+                          &handle, &kind, &maxvalue))
+        return NULL;
 
-	return newsemlockobject(type, handle, kind, maxvalue);
+    return newsemlockobject(type, handle, kind, maxvalue);
 }
 
 static void
 semlock_dealloc(SemLockObject* self)
 {
-	if (self->handle != SEM_FAILED)
-		SEM_CLOSE(self->handle);
-	PyObject_Del(self);
+    if (self->handle != SEM_FAILED)
+        SEM_CLOSE(self->handle);
+    PyObject_Del(self);
 }
 
 static PyObject *
 semlock_count(SemLockObject *self)
 {
-	return PyInt_FromLong((long)self->count);
+    return PyInt_FromLong((long)self->count);
 }
 
 static PyObject *
 semlock_ismine(SemLockObject *self)
 {
-	/* only makes sense for a lock */
-	return PyBool_FromLong(ISMINE(self));
+    /* only makes sense for a lock */
+    return PyBool_FromLong(ISMINE(self));
 }
 
 static PyObject *
 semlock_getvalue(SemLockObject *self)
 {
 #ifdef HAVE_BROKEN_SEM_GETVALUE
-	PyErr_SetNone(PyExc_NotImplementedError);
-	return NULL;
+    PyErr_SetNone(PyExc_NotImplementedError);
+    return NULL;
 #else
-	int sval;
-	if (SEM_GETVALUE(self->handle, &sval) < 0)
-		return mp_SetError(NULL, MP_STANDARD_ERROR);
-	/* some posix implementations use negative numbers to indicate 
-	   the number of waiting threads */
-	if (sval < 0)
-		sval = 0;
-	return PyInt_FromLong((long)sval);
+    int sval;
+    if (SEM_GETVALUE(self->handle, &sval) < 0)
+        return mp_SetError(NULL, MP_STANDARD_ERROR);
+    /* some posix implementations use negative numbers to indicate
+       the number of waiting threads */
+    if (sval < 0)
+        sval = 0;
+    return PyInt_FromLong((long)sval);
 #endif
 }
 
@@ -513,28 +513,28 @@ static PyObject *
 semlock_iszero(SemLockObject *self)
 {
 #ifdef HAVE_BROKEN_SEM_GETVALUE
-	if (sem_trywait(self->handle) < 0) {
-		if (errno == EAGAIN)
-			Py_RETURN_TRUE;
-		return mp_SetError(NULL, MP_STANDARD_ERROR);
-	} else {
-		if (sem_post(self->handle) < 0)
-			return mp_SetError(NULL, MP_STANDARD_ERROR);
-		Py_RETURN_FALSE;
-	}
+    if (sem_trywait(self->handle) < 0) {
+        if (errno == EAGAIN)
+            Py_RETURN_TRUE;
+        return mp_SetError(NULL, MP_STANDARD_ERROR);
+    } else {
+        if (sem_post(self->handle) < 0)
+            return mp_SetError(NULL, MP_STANDARD_ERROR);
+        Py_RETURN_FALSE;
+    }
 #else
-	int sval;
-	if (SEM_GETVALUE(self->handle, &sval) < 0)
-		return mp_SetError(NULL, MP_STANDARD_ERROR);
-	return PyBool_FromLong((long)sval == 0);
+    int sval;
+    if (SEM_GETVALUE(self->handle, &sval) < 0)
+        return mp_SetError(NULL, MP_STANDARD_ERROR);
+    return PyBool_FromLong((long)sval == 0);
 #endif
 }
 
 static PyObject *
 semlock_afterfork(SemLockObject *self)
 {
-	self->count = 0;
-	Py_RETURN_NONE;
+    self->count = 0;
+    Py_RETURN_NONE;
 }
 
 /*
@@ -542,27 +542,27 @@ semlock_afterfork(SemLockObject *self)
  */
 
 static PyMethodDef semlock_methods[] = {
-	{"acquire", (PyCFunction)semlock_acquire, METH_VARARGS | METH_KEYWORDS,
-	 "acquire the semaphore/lock"},
-	{"release", (PyCFunction)semlock_release, METH_NOARGS, 
-	 "release the semaphore/lock"},
+    {"acquire", (PyCFunction)semlock_acquire, METH_VARARGS | METH_KEYWORDS,
+     "acquire the semaphore/lock"},
+    {"release", (PyCFunction)semlock_release, METH_NOARGS,
+     "release the semaphore/lock"},
     {"__enter__", (PyCFunction)semlock_acquire, METH_VARARGS | METH_KEYWORDS,
-	 "enter the semaphore/lock"},
-	{"__exit__", (PyCFunction)semlock_release, METH_VARARGS, 
-	 "exit the semaphore/lock"},
-	{"_count", (PyCFunction)semlock_count, METH_NOARGS, 
-	 "num of `acquire()`s minus num of `release()`s for this process"},
-	{"_is_mine", (PyCFunction)semlock_ismine, METH_NOARGS, 
-	 "whether the lock is owned by this thread"},
-	{"_get_value", (PyCFunction)semlock_getvalue, METH_NOARGS, 
-	 "get the value of the semaphore"}, 
-	{"_is_zero", (PyCFunction)semlock_iszero, METH_NOARGS, 
-	 "returns whether semaphore has value zero"}, 
-	{"_rebuild", (PyCFunction)semlock_rebuild, METH_VARARGS | METH_CLASS, 
-	 ""}, 
-	{"_after_fork", (PyCFunction)semlock_afterfork, METH_NOARGS,
-	 "rezero the net acquisition count after fork()"},
-	{NULL}
+     "enter the semaphore/lock"},
+    {"__exit__", (PyCFunction)semlock_release, METH_VARARGS,
+     "exit the semaphore/lock"},
+    {"_count", (PyCFunction)semlock_count, METH_NOARGS,
+     "num of `acquire()`s minus num of `release()`s for this process"},
+    {"_is_mine", (PyCFunction)semlock_ismine, METH_NOARGS,
+     "whether the lock is owned by this thread"},
+    {"_get_value", (PyCFunction)semlock_getvalue, METH_NOARGS,
+     "get the value of the semaphore"},
+    {"_is_zero", (PyCFunction)semlock_iszero, METH_NOARGS,
+     "returns whether semaphore has value zero"},
+    {"_rebuild", (PyCFunction)semlock_rebuild, METH_VARARGS | METH_CLASS,
+     ""},
+    {"_after_fork", (PyCFunction)semlock_afterfork, METH_NOARGS,
+     "rezero the net acquisition count after fork()"},
+    {NULL}
 };
 
 /*
@@ -570,13 +570,13 @@ static PyMethodDef semlock_methods[] = {
  */
 
 static PyMemberDef semlock_members[] = {
-	{"handle", T_SEM_HANDLE, offsetof(SemLockObject, handle), READONLY, 
-	 ""},
-	{"kind", T_INT, offsetof(SemLockObject, kind), READONLY, 
-	 ""},
-	{"maxvalue", T_INT, offsetof(SemLockObject, maxvalue), READONLY, 
-	 ""},
-	{NULL}
+    {"handle", T_SEM_HANDLE, offsetof(SemLockObject, handle), READONLY,
+     ""},
+    {"kind", T_INT, offsetof(SemLockObject, kind), READONLY,
+     ""},
+    {"maxvalue", T_INT, offsetof(SemLockObject, maxvalue), READONLY,
+     ""},
+    {NULL}
 };
 
 /*
@@ -584,42 +584,42 @@ static PyMemberDef semlock_members[] = {
  */
 
 PyTypeObject SemLockType = {
-	PyVarObject_HEAD_INIT(NULL, 0)
-	/* tp_name           */ "_multiprocessing.SemLock",
-	/* tp_basicsize      */ sizeof(SemLockObject),
-	/* tp_itemsize       */ 0,
-	/* tp_dealloc        */ (destructor)semlock_dealloc,
-	/* tp_print          */ 0,
-	/* tp_getattr        */ 0,
-	/* tp_setattr        */ 0,
-	/* tp_compare        */ 0,
-	/* tp_repr           */ 0,
-	/* tp_as_number      */ 0,
-	/* tp_as_sequence    */ 0,
-	/* tp_as_mapping     */ 0,
-	/* tp_hash           */ 0,
-	/* tp_call           */ 0,
-	/* tp_str            */ 0,
-	/* tp_getattro       */ 0,
-	/* tp_setattro       */ 0,
-	/* tp_as_buffer      */ 0,
-	/* tp_flags          */ Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
-	/* tp_doc            */ "Semaphore/Mutex type",
-	/* tp_traverse       */ 0,
-	/* tp_clear          */ 0,
-	/* tp_richcompare    */ 0,
-	/* tp_weaklistoffset */ 0,
-	/* tp_iter           */ 0,
-	/* tp_iternext       */ 0,
-	/* tp_methods        */ semlock_methods,
-	/* tp_members        */ semlock_members,
-	/* tp_getset         */ 0,
-	/* tp_base           */ 0,
-	/* tp_dict           */ 0,
-	/* tp_descr_get      */ 0,
-	/* tp_descr_set      */ 0,
-	/* tp_dictoffset     */ 0,
-	/* tp_init           */ 0,
-	/* tp_alloc          */ 0,
-	/* tp_new            */ semlock_new,
+    PyVarObject_HEAD_INIT(NULL, 0)
+    /* tp_name           */ "_multiprocessing.SemLock",
+    /* tp_basicsize      */ sizeof(SemLockObject),
+    /* tp_itemsize       */ 0,
+    /* tp_dealloc        */ (destructor)semlock_dealloc,
+    /* tp_print          */ 0,
+    /* tp_getattr        */ 0,
+    /* tp_setattr        */ 0,
+    /* tp_compare        */ 0,
+    /* tp_repr           */ 0,
+    /* tp_as_number      */ 0,
+    /* tp_as_sequence    */ 0,
+    /* tp_as_mapping     */ 0,
+    /* tp_hash           */ 0,
+    /* tp_call           */ 0,
+    /* tp_str            */ 0,
+    /* tp_getattro       */ 0,
+    /* tp_setattro       */ 0,
+    /* tp_as_buffer      */ 0,
+    /* tp_flags          */ Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
+    /* tp_doc            */ "Semaphore/Mutex type",
+    /* tp_traverse       */ 0,
+    /* tp_clear          */ 0,
+    /* tp_richcompare    */ 0,
+    /* tp_weaklistoffset */ 0,
+    /* tp_iter           */ 0,
+    /* tp_iternext       */ 0,
+    /* tp_methods        */ semlock_methods,
+    /* tp_members        */ semlock_members,
+    /* tp_getset         */ 0,
+    /* tp_base           */ 0,
+    /* tp_dict           */ 0,
+    /* tp_descr_get      */ 0,
+    /* tp_descr_set      */ 0,
+    /* tp_dictoffset     */ 0,
+    /* tp_init           */ 0,
+    /* tp_alloc          */ 0,
+    /* tp_new            */ semlock_new,
 };