Ticket #5847: remove-epoll.patch

twisted/internet/epollreactor.py

@@ -12 +12 @@
 """
 
 import errno
+import select
 
 from zope.interface import implements
 
@@ -20 +21 @@
 from twisted.python import log
 from twisted.internet import posixbase
 
-try:
-    # In Python 2.6+, select.epoll provides epoll functionality. Try to import
-    # it, and fall back to Twisted's own epoll wrapper if it isn't available
-    # for any reason.
-    from select import epoll
-except ImportError:
-    from twisted.python import _epoll
-else:
-    del epoll
-    import select as _epoll
-
 
 
 class _ContinuousPolling(posixbase._PollLikeMixin,
@@ -198 +188 @@
     implements(IReactorFDSet)
 
     # Attributes for _PollLikeMixin
-    _POLL_DISCONNECTED = (_epoll.EPOLLHUP | _epoll.EPOLLERR)
-    _POLL_IN = _epoll.EPOLLIN
-    _POLL_OUT = _epoll.EPOLLOUT
+    _POLL_DISCONNECTED = (select.EPOLLHUP | select.EPOLLERR)
+    _POLL_IN = select.EPOLLIN
+    _POLL_OUT = select.EPOLLOUT
 
     def __init__(self):
         """
@@ -210 +200 @@
         # Create the poller we're going to use.  The 1024 here is just a hint to
         # the kernel, it is not a hard maximum.  After Linux 2.6.8, the size
         # argument is completely ignored.
-        self._poller = _epoll.epoll(1024)
+        self._poller = select.epoll(1024)
         self._reads = {}
         self._writes = {}
         self._selectables = {}
@@ -251 +241 @@
         """
         try:
             self._add(reader, self._reads, self._writes, self._selectables,
-                      _epoll.EPOLLIN, _epoll.EPOLLOUT)
+                      select.EPOLLIN, select.EPOLLOUT)
         except IOError, e:
             if e.errno == errno.EPERM:
                 # epoll(7) doesn't support certain file descriptors,
@@ -268 +258 @@
         """
         try:
             self._add(writer, self._writes, self._reads, self._selectables,
-                      _epoll.EPOLLOUT, _epoll.EPOLLIN)
+                      select.EPOLLOUT, select.EPOLLIN)
         except IOError, e:
             if e.errno == errno.EPERM:
                 # epoll(7) doesn't support certain file descriptors,
@@ -313 +303 @@
             self._continuousPolling.removeReader(reader)
             return
         self._remove(reader, self._reads, self._writes, self._selectables,
-                     _epoll.EPOLLIN, _epoll.EPOLLOUT)
+                     select.EPOLLIN, select.EPOLLOUT)
 
 
     def removeWriter(self, writer):
@@ -324 +314 @@
             self._continuousPolling.removeWriter(writer)
             return
         self._remove(writer, self._writes, self._reads, self._selectables,
-                     _epoll.EPOLLOUT, _epoll.EPOLLIN)
+                     select.EPOLLOUT, select.EPOLLIN)
 
 
     def removeAll(self):

(a) twisted/python/_epoll.c vs. (b) /dev/null

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-static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
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-
-    PyErr_SetObject(type, value);
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-
-static int __Pyx_ParseOptionalKeywords(
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-    const char* function_name)
-{
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-    while (PyDict_Next(kwds, &pos, &key, &value)) {
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-            #if PY_MAJOR_VERSION < 3
-            if (unlikely(!PyString_CheckExact(key)) && unlikely(!PyString_Check(key))) {
-            #else
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-            #endif
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-                    values[name-argnames] = value;
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-                    /* unexpected keyword found */
-                    for (name=argnames; name != first_kw_arg; name++) {
-                        if (**name == key) goto arg_passed_twice;
-                        #if PY_MAJOR_VERSION >= 3
-                        if (PyUnicode_GET_SIZE(**name) == PyUnicode_GET_SIZE(key) &&
-                            PyUnicode_Compare(**name, key) == 0) goto arg_passed_twice;
-                        #else
-                        if (PyString_GET_SIZE(**name) == PyString_GET_SIZE(key) &&
-                            _PyString_Eq(**name, key)) goto arg_passed_twice;
-                        #endif
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-                        if (unlikely(PyDict_SetItem(kwds2, key, value))) goto bad;
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-                        goto invalid_keyword;
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-arg_passed_twice:
-    __Pyx_RaiseDoubleKeywordsError(function_name, **name);
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-invalid_keyword_type:
-    PyErr_Format(PyExc_TypeError,
-        "%s() keywords must be strings", function_name);
-    goto bad;
-invalid_keyword:
-    PyErr_Format(PyExc_TypeError,
-    #if PY_MAJOR_VERSION < 3
-        "%s() got an unexpected keyword argument '%s'",
-        function_name, PyString_AsString(key));
-    #else
-        "%s() got an unexpected keyword argument '%U'",
-        function_name, key);
-    #endif
-bad:
-    return -1;
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-
-static void __Pyx_RaiseArgtupleInvalid(
-    const char* func_name,
-    int exact,
-    Py_ssize_t num_min,
-    Py_ssize_t num_max,
-    Py_ssize_t num_found)
-{
-    Py_ssize_t num_expected;
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-    if (num_found < num_min) {
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-    PyErr_Format(PyExc_TypeError,
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-                 func_name, more_or_less, num_expected,
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-static CYTHON_INLINE unsigned char __Pyx_PyInt_AsUnsignedChar(PyObject* x) {
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-    if (sizeof(unsigned char) < sizeof(long)) {
-        long val = __Pyx_PyInt_AsLong(x);
-        if (unlikely(val != (long)(unsigned char)val)) {
-            if (!unlikely(val == -1 && PyErr_Occurred())) {
-                PyErr_SetString(PyExc_OverflowError,
-                    (is_unsigned && unlikely(val < 0)) ?
-                    "can't convert negative value to unsigned char" :
-                    "value too large to convert to unsigned char");
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-static CYTHON_INLINE unsigned short __Pyx_PyInt_AsUnsignedShort(PyObject* x) {
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-        if (unlikely(val != (long)(unsigned short)val)) {
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-                    "can't convert negative value to unsigned short" :
-                    "value too large to convert to unsigned short");
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-static CYTHON_INLINE unsigned int __Pyx_PyInt_AsUnsignedInt(PyObject* x) {
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-    const int is_unsigned = neg_one > const_zero;
-    if (sizeof(unsigned int) < sizeof(long)) {
-        long val = __Pyx_PyInt_AsLong(x);
-        if (unlikely(val != (long)(unsigned int)val)) {
-            if (!unlikely(val == -1 && PyErr_Occurred())) {
-                PyErr_SetString(PyExc_OverflowError,
-                    (is_unsigned && unlikely(val < 0)) ?
-                    "can't convert negative value to unsigned int" :
-                    "value too large to convert to unsigned int");
-            }
-            return (unsigned int)-1;
-        }
-        return (unsigned int)val;
-    }
-    return (unsigned int)__Pyx_PyInt_AsUnsignedLong(x);
-}
-
-static CYTHON_INLINE char __Pyx_PyInt_AsChar(PyObject* x) {
-    const char neg_one = (char)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (sizeof(char) < sizeof(long)) {
-        long val = __Pyx_PyInt_AsLong(x);
-        if (unlikely(val != (long)(char)val)) {
-            if (!unlikely(val == -1 && PyErr_Occurred())) {
-                PyErr_SetString(PyExc_OverflowError,
-                    (is_unsigned && unlikely(val < 0)) ?
-                    "can't convert negative value to char" :
-                    "value too large to convert to char");
-            }
-            return (char)-1;
-        }
-        return (char)val;
-    }
-    return (char)__Pyx_PyInt_AsLong(x);
-}
-
-static CYTHON_INLINE short __Pyx_PyInt_AsShort(PyObject* x) {
-    const short neg_one = (short)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (sizeof(short) < sizeof(long)) {
-        long val = __Pyx_PyInt_AsLong(x);
-        if (unlikely(val != (long)(short)val)) {
-            if (!unlikely(val == -1 && PyErr_Occurred())) {
-                PyErr_SetString(PyExc_OverflowError,
-                    (is_unsigned && unlikely(val < 0)) ?
-                    "can't convert negative value to short" :
-                    "value too large to convert to short");
-            }
-            return (short)-1;
-        }
-        return (short)val;
-    }
-    return (short)__Pyx_PyInt_AsLong(x);
-}
-
-static CYTHON_INLINE int __Pyx_PyInt_AsInt(PyObject* x) {
-    const int neg_one = (int)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (sizeof(int) < sizeof(long)) {
-        long val = __Pyx_PyInt_AsLong(x);
-        if (unlikely(val != (long)(int)val)) {
-            if (!unlikely(val == -1 && PyErr_Occurred())) {
-                PyErr_SetString(PyExc_OverflowError,
-                    (is_unsigned && unlikely(val < 0)) ?
-                    "can't convert negative value to int" :
-                    "value too large to convert to int");
-            }
-            return (int)-1;
-        }
-        return (int)val;
-    }
-    return (int)__Pyx_PyInt_AsLong(x);
-}
-
-static CYTHON_INLINE signed char __Pyx_PyInt_AsSignedChar(PyObject* x) {
-    const signed char neg_one = (signed char)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (sizeof(signed char) < sizeof(long)) {
-        long val = __Pyx_PyInt_AsLong(x);
-        if (unlikely(val != (long)(signed char)val)) {
-            if (!unlikely(val == -1 && PyErr_Occurred())) {
-                PyErr_SetString(PyExc_OverflowError,
-                    (is_unsigned && unlikely(val < 0)) ?
-                    "can't convert negative value to signed char" :
-                    "value too large to convert to signed char");
-            }
-            return (signed char)-1;
-        }
-        return (signed char)val;
-    }
-    return (signed char)__Pyx_PyInt_AsSignedLong(x);
-}
-
-static CYTHON_INLINE signed short __Pyx_PyInt_AsSignedShort(PyObject* x) {
-    const signed short neg_one = (signed short)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (sizeof(signed short) < sizeof(long)) {
-        long val = __Pyx_PyInt_AsLong(x);
-        if (unlikely(val != (long)(signed short)val)) {
-            if (!unlikely(val == -1 && PyErr_Occurred())) {
-                PyErr_SetString(PyExc_OverflowError,
-                    (is_unsigned && unlikely(val < 0)) ?
-                    "can't convert negative value to signed short" :
-                    "value too large to convert to signed short");
-            }
-            return (signed short)-1;
-        }
-        return (signed short)val;
-    }
-    return (signed short)__Pyx_PyInt_AsSignedLong(x);
-}
-
-static CYTHON_INLINE signed int __Pyx_PyInt_AsSignedInt(PyObject* x) {
-    const signed int neg_one = (signed int)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (sizeof(signed int) < sizeof(long)) {
-        long val = __Pyx_PyInt_AsLong(x);
-        if (unlikely(val != (long)(signed int)val)) {
-            if (!unlikely(val == -1 && PyErr_Occurred())) {
-                PyErr_SetString(PyExc_OverflowError,
-                    (is_unsigned && unlikely(val < 0)) ?
-                    "can't convert negative value to signed int" :
-                    "value too large to convert to signed int");
-            }
-            return (signed int)-1;
-        }
-        return (signed int)val;
-    }
-    return (signed int)__Pyx_PyInt_AsSignedLong(x);
-}
-
-static CYTHON_INLINE int __Pyx_PyInt_AsLongDouble(PyObject* x) {
-    const int neg_one = (int)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (sizeof(int) < sizeof(long)) {
-        long val = __Pyx_PyInt_AsLong(x);
-        if (unlikely(val != (long)(int)val)) {
-            if (!unlikely(val == -1 && PyErr_Occurred())) {
-                PyErr_SetString(PyExc_OverflowError,
-                    (is_unsigned && unlikely(val < 0)) ?
-                    "can't convert negative value to int" :
-                    "value too large to convert to int");
-            }
-            return (int)-1;
-        }
-        return (int)val;
-    }
-    return (int)__Pyx_PyInt_AsLong(x);
-}
-
-static CYTHON_INLINE unsigned long __Pyx_PyInt_AsUnsignedLong(PyObject* x) {
-    const unsigned long neg_one = (unsigned long)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-#if PY_VERSION_HEX < 0x03000000
-    if (likely(PyInt_Check(x))) {
-        long val = PyInt_AS_LONG(x);
-        if (is_unsigned && unlikely(val < 0)) {
-            PyErr_SetString(PyExc_OverflowError,
-                            "can't convert negative value to unsigned long");
-            return (unsigned long)-1;
-        }
-        return (unsigned long)val;
-    } else
-#endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-            if (unlikely(Py_SIZE(x) < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to unsigned long");
-                return (unsigned long)-1;
-            }
-            return (unsigned long)PyLong_AsUnsignedLong(x);
-        } else {
-            return (unsigned long)PyLong_AsLong(x);
-        }
-    } else {
-        unsigned long val;
-        PyObject *tmp = __Pyx_PyNumber_Int(x);
-        if (!tmp) return (unsigned long)-1;
-        val = __Pyx_PyInt_AsUnsignedLong(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-}
-
-static CYTHON_INLINE unsigned PY_LONG_LONG __Pyx_PyInt_AsUnsignedLongLong(PyObject* x) {
-    const unsigned PY_LONG_LONG neg_one = (unsigned PY_LONG_LONG)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-#if PY_VERSION_HEX < 0x03000000
-    if (likely(PyInt_Check(x))) {
-        long val = PyInt_AS_LONG(x);
-        if (is_unsigned && unlikely(val < 0)) {
-            PyErr_SetString(PyExc_OverflowError,
-                            "can't convert negative value to unsigned PY_LONG_LONG");
-            return (unsigned PY_LONG_LONG)-1;
-        }
-        return (unsigned PY_LONG_LONG)val;
-    } else
-#endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-            if (unlikely(Py_SIZE(x) < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to unsigned PY_LONG_LONG");
-                return (unsigned PY_LONG_LONG)-1;
-            }
-            return (unsigned PY_LONG_LONG)PyLong_AsUnsignedLongLong(x);
-        } else {
-            return (unsigned PY_LONG_LONG)PyLong_AsLongLong(x);
-        }
-    } else {
-        unsigned PY_LONG_LONG val;
-        PyObject *tmp = __Pyx_PyNumber_Int(x);
-        if (!tmp) return (unsigned PY_LONG_LONG)-1;
-        val = __Pyx_PyInt_AsUnsignedLongLong(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-}
-
-static CYTHON_INLINE long __Pyx_PyInt_AsLong(PyObject* x) {
-    const long neg_one = (long)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-#if PY_VERSION_HEX < 0x03000000
-    if (likely(PyInt_Check(x))) {
-        long val = PyInt_AS_LONG(x);
-        if (is_unsigned && unlikely(val < 0)) {
-            PyErr_SetString(PyExc_OverflowError,
-                            "can't convert negative value to long");
-            return (long)-1;
-        }
-        return (long)val;
-    } else
-#endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-            if (unlikely(Py_SIZE(x) < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to long");
-                return (long)-1;
-            }
-            return (long)PyLong_AsUnsignedLong(x);
-        } else {
-            return (long)PyLong_AsLong(x);
-        }
-    } else {
-        long val;
-        PyObject *tmp = __Pyx_PyNumber_Int(x);
-        if (!tmp) return (long)-1;
-        val = __Pyx_PyInt_AsLong(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-}
-
-static CYTHON_INLINE PY_LONG_LONG __Pyx_PyInt_AsLongLong(PyObject* x) {
-    const PY_LONG_LONG neg_one = (PY_LONG_LONG)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-#if PY_VERSION_HEX < 0x03000000
-    if (likely(PyInt_Check(x))) {
-        long val = PyInt_AS_LONG(x);
-        if (is_unsigned && unlikely(val < 0)) {
-            PyErr_SetString(PyExc_OverflowError,
-                            "can't convert negative value to PY_LONG_LONG");
-            return (PY_LONG_LONG)-1;
-        }
-        return (PY_LONG_LONG)val;
-    } else
-#endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-            if (unlikely(Py_SIZE(x) < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to PY_LONG_LONG");
-                return (PY_LONG_LONG)-1;
-            }
-            return (PY_LONG_LONG)PyLong_AsUnsignedLongLong(x);
-        } else {
-            return (PY_LONG_LONG)PyLong_AsLongLong(x);
-        }
-    } else {
-        PY_LONG_LONG val;
-        PyObject *tmp = __Pyx_PyNumber_Int(x);
-        if (!tmp) return (PY_LONG_LONG)-1;
-        val = __Pyx_PyInt_AsLongLong(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-}
-
-static CYTHON_INLINE signed long __Pyx_PyInt_AsSignedLong(PyObject* x) {
-    const signed long neg_one = (signed long)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-#if PY_VERSION_HEX < 0x03000000
-    if (likely(PyInt_Check(x))) {
-        long val = PyInt_AS_LONG(x);
-        if (is_unsigned && unlikely(val < 0)) {
-            PyErr_SetString(PyExc_OverflowError,
-                            "can't convert negative value to signed long");
-            return (signed long)-1;
-        }
-        return (signed long)val;
-    } else
-#endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-            if (unlikely(Py_SIZE(x) < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to signed long");
-                return (signed long)-1;
-            }
-            return (signed long)PyLong_AsUnsignedLong(x);
-        } else {
-            return (signed long)PyLong_AsLong(x);
-        }
-    } else {
-        signed long val;
-        PyObject *tmp = __Pyx_PyNumber_Int(x);
-        if (!tmp) return (signed long)-1;
-        val = __Pyx_PyInt_AsSignedLong(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-}
-
-static CYTHON_INLINE signed PY_LONG_LONG __Pyx_PyInt_AsSignedLongLong(PyObject* x) {
-    const signed PY_LONG_LONG neg_one = (signed PY_LONG_LONG)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-#if PY_VERSION_HEX < 0x03000000
-    if (likely(PyInt_Check(x))) {
-        long val = PyInt_AS_LONG(x);
-        if (is_unsigned && unlikely(val < 0)) {
-            PyErr_SetString(PyExc_OverflowError,
-                            "can't convert negative value to signed PY_LONG_LONG");
-            return (signed PY_LONG_LONG)-1;
-        }
-        return (signed PY_LONG_LONG)val;
-    } else
-#endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-            if (unlikely(Py_SIZE(x) < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to signed PY_LONG_LONG");
-                return (signed PY_LONG_LONG)-1;
-            }
-            return (signed PY_LONG_LONG)PyLong_AsUnsignedLongLong(x);
-        } else {
-            return (signed PY_LONG_LONG)PyLong_AsLongLong(x);
-        }
-    } else {
-        signed PY_LONG_LONG val;
-        PyObject *tmp = __Pyx_PyNumber_Int(x);
-        if (!tmp) return (signed PY_LONG_LONG)-1;
-        val = __Pyx_PyInt_AsSignedLongLong(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-}
-
-static int __Pyx_check_binary_version(void) {
-    char ctversion[4], rtversion[4];
-    PyOS_snprintf(ctversion, 4, "%d.%d", PY_MAJOR_VERSION, PY_MINOR_VERSION);
-    PyOS_snprintf(rtversion, 4, "%s", Py_GetVersion());
-    if (ctversion[0] != rtversion[0] || ctversion[2] != rtversion[2]) {
-        char message[200];
-        PyOS_snprintf(message, sizeof(message),
-                      "compiletime version %s of module '%.100s' "
-                      "does not match runtime version %s",
-                      ctversion, __Pyx_MODULE_NAME, rtversion);
-        #if PY_VERSION_HEX < 0x02050000
-        return PyErr_Warn(NULL, message);
-        #else
-        return PyErr_WarnEx(NULL, message, 1);
-        #endif
-    }
-    return 0;
-}
-
-#include "compile.h"
-#include "frameobject.h"
-#include "traceback.h"
-
-static void __Pyx_AddTraceback(const char *funcname, int __pyx_clineno,
-                               int __pyx_lineno, const char *__pyx_filename) {
-    PyObject *py_srcfile = 0;
-    PyObject *py_funcname = 0;
-    PyObject *py_globals = 0;
-    PyCodeObject *py_code = 0;
-    PyFrameObject *py_frame = 0;
-
-    #if PY_MAJOR_VERSION < 3
-    py_srcfile = PyString_FromString(__pyx_filename);
-    #else
-    py_srcfile = PyUnicode_FromString(__pyx_filename);
-    #endif
-    if (!py_srcfile) goto bad;
-    if (__pyx_clineno) {
-        #if PY_MAJOR_VERSION < 3
-        py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, __pyx_clineno);
-        #else
-        py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, __pyx_clineno);
-        #endif
-    }
-    else {
-        #if PY_MAJOR_VERSION < 3
-        py_funcname = PyString_FromString(funcname);
-        #else
-        py_funcname = PyUnicode_FromString(funcname);
-        #endif
-    }
-    if (!py_funcname) goto bad;
-    py_globals = PyModule_GetDict(__pyx_m);
-    if (!py_globals) goto bad;
-    py_code = PyCode_New(
-        0,            /*int argcount,*/
-        #if PY_MAJOR_VERSION >= 3
-        0,            /*int kwonlyargcount,*/
-        #endif
-        0,            /*int nlocals,*/
-        0,            /*int stacksize,*/
-        0,            /*int flags,*/
-        __pyx_empty_bytes, /*PyObject *code,*/
-        __pyx_empty_tuple,  /*PyObject *consts,*/
-        __pyx_empty_tuple,  /*PyObject *names,*/
-        __pyx_empty_tuple,  /*PyObject *varnames,*/
-        __pyx_empty_tuple,  /*PyObject *freevars,*/
-        __pyx_empty_tuple,  /*PyObject *cellvars,*/
-        py_srcfile,   /*PyObject *filename,*/
-        py_funcname,  /*PyObject *name,*/
-        __pyx_lineno,   /*int firstlineno,*/
-        __pyx_empty_bytes  /*PyObject *lnotab*/
-    );
-    if (!py_code) goto bad;
-    py_frame = PyFrame_New(
-        PyThreadState_GET(), /*PyThreadState *tstate,*/
-        py_code,             /*PyCodeObject *code,*/
-        py_globals,          /*PyObject *globals,*/
-        0                    /*PyObject *locals*/
-    );
-    if (!py_frame) goto bad;
-    py_frame->f_lineno = __pyx_lineno;
-    PyTraceBack_Here(py_frame);
-bad:
-    Py_XDECREF(py_srcfile);
-    Py_XDECREF(py_funcname);
-    Py_XDECREF(py_code);
-    Py_XDECREF(py_frame);
-}
-
-static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) {
-    while (t->p) {
-        #if PY_MAJOR_VERSION < 3
-        if (t->is_unicode) {
-            *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL);
-        } else if (t->intern) {
-            *t->p = PyString_InternFromString(t->s);
-        } else {
-            *t->p = PyString_FromStringAndSize(t->s, t->n - 1);
-        }
-        #else  /* Python 3+ has unicode identifiers */
-        if (t->is_unicode | t->is_str) {
-            if (t->intern) {
-                *t->p = PyUnicode_InternFromString(t->s);
-            } else if (t->encoding) {
-                *t->p = PyUnicode_Decode(t->s, t->n - 1, t->encoding, NULL);
-            } else {
-                *t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1);
-            }
-        } else {
-            *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1);
-        }
-        #endif
-        if (!*t->p)
-            return -1;
-        ++t;
-    }
-    return 0;
-}
-
-/* Type Conversion Functions */
-
-static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) {
-   int is_true = x == Py_True;
-   if (is_true | (x == Py_False) | (x == Py_None)) return is_true;
-   else return PyObject_IsTrue(x);
-}
-
-static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x) {
-  PyNumberMethods *m;
-  const char *name = NULL;
-  PyObject *res = NULL;
-#if PY_VERSION_HEX < 0x03000000
-  if (PyInt_Check(x) || PyLong_Check(x))
-#else
-  if (PyLong_Check(x))
-#endif
-    return Py_INCREF(x), x;
-  m = Py_TYPE(x)->tp_as_number;
-#if PY_VERSION_HEX < 0x03000000
-  if (m && m->nb_int) {
-    name = "int";
-    res = PyNumber_Int(x);
-  }
-  else if (m && m->nb_long) {
-    name = "long";
-    res = PyNumber_Long(x);
-  }
-#else
-  if (m && m->nb_int) {
-    name = "int";
-    res = PyNumber_Long(x);
-  }
-#endif
-  if (res) {
-#if PY_VERSION_HEX < 0x03000000
-    if (!PyInt_Check(res) && !PyLong_Check(res)) {
-#else
-    if (!PyLong_Check(res)) {
-#endif
-      PyErr_Format(PyExc_TypeError,
-                   "__%s__ returned non-%s (type %.200s)",
-                   name, name, Py_TYPE(res)->tp_name);
-      Py_DECREF(res);
-      return NULL;
-    }
-  }
-  else if (!PyErr_Occurred()) {
-    PyErr_SetString(PyExc_TypeError,
-                    "an integer is required");
-  }
-  return res;
-}
-
-static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) {
-  Py_ssize_t ival;
-  PyObject* x = PyNumber_Index(b);
-  if (!x) return -1;
-  ival = PyInt_AsSsize_t(x);
-  Py_DECREF(x);
-  return ival;
-}
-
-static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) {
-#if PY_VERSION_HEX < 0x02050000
-   if (ival <= LONG_MAX)
-       return PyInt_FromLong((long)ival);
-   else {
-       unsigned char *bytes = (unsigned char *) &ival;
-       int one = 1; int little = (int)*(unsigned char*)&one;
-       return _PyLong_FromByteArray(bytes, sizeof(size_t), little, 0);
-   }
-#else
-   return PyInt_FromSize_t(ival);
-#endif
-}
-
-static CYTHON_INLINE size_t __Pyx_PyInt_AsSize_t(PyObject* x) {
-   unsigned PY_LONG_LONG val = __Pyx_PyInt_AsUnsignedLongLong(x);
-   if (unlikely(val == (unsigned PY_LONG_LONG)-1 && PyErr_Occurred())) {
-       return (size_t)-1;
-   } else if (unlikely(val != (unsigned PY_LONG_LONG)(size_t)val)) {
-       PyErr_SetString(PyExc_OverflowError,
-                       "value too large to convert to size_t");
-       return (size_t)-1;
-   }
-   return (size_t)val;
-}
-
-
-#endif /* Py_PYTHON_H */

(a) twisted/python/_epoll.pyx vs. (b) /dev/null

@@ -1 @@
-# Copyright (c) Twisted Matrix Laboratories.
-# See LICENSE for details.
-
-"""
-Interface to epoll I/O event notification facility.
-"""
-
-# NOTE: The version of Pyrex you are using probably _does not work_ with
-# Python 2.5.  If you need to recompile this file, _make sure you are using
-# a version of Pyrex which works with Python 2.5_.  I am using 0.9.4.1 from
-# <http://codespeak.net/svn/lxml/pyrex/>. -exarkun
-
-cdef extern from "stdio.h":
-    cdef extern void *malloc(int)
-    cdef extern void free(void *)
-    cdef extern int close(int)
-
-cdef extern from "errno.h":
-    cdef extern int errno
-    cdef extern char *strerror(int)
-
-cdef extern from "string.h":
-    cdef extern void *memset(void* s, int c, int n)
-
-cdef extern from "stdint.h":
-    ctypedef unsigned long uint32_t
-    ctypedef unsigned long long uint64_t
-
-cdef extern from "sys/epoll.h":
-
-    cdef enum:
-        EPOLL_CTL_ADD = 1
-        EPOLL_CTL_DEL = 2
-        EPOLL_CTL_MOD = 3
-
-    cdef enum EPOLL_EVENTS:
-        c_EPOLLIN "EPOLLIN" = 0x001
-        c_EPOLLPRI "EPOLLPRI" = 0x002
-        c_EPOLLOUT "EPOLLOUT" = 0x004
-        c_EPOLLRDNORM "EPOLLRDNORM" = 0x040
-        c_EPOLLRDBAND "EPOLLRDBAND" = 0x080
-        c_EPOLLWRNORM "EPOLLWRNORM" = 0x100
-        c_EPOLLWRBAND "EPOLLWRBAND" = 0x200
-        c_EPOLLMSG "EPOLLMSG" = 0x400
-        c_EPOLLERR "EPOLLERR" = 0x008
-        c_EPOLLHUP "EPOLLHUP" = 0x010
-        c_EPOLLET "EPOLLET" = (1 << 31)
-
-    ctypedef union epoll_data_t:
-        void *ptr
-        int fd
-        uint32_t u32
-        uint64_t u64
-
-    cdef struct epoll_event:
-        uint32_t events
-        epoll_data_t data
-
-    int epoll_create(int size)
-    int epoll_ctl(int epfd, int op, int fd, epoll_event *event)
-    int epoll_wait(int epfd, epoll_event *events, int maxevents, int timeout)
-
-cdef extern from "Python.h":
-    ctypedef struct PyThreadState
-    cdef extern PyThreadState *PyEval_SaveThread()
-    cdef extern void PyEval_RestoreThread(PyThreadState*)
-
-cdef call_epoll_wait(int fd, unsigned int maxevents, int timeout_msec):
-    """
-    Wait for an I/O event, wrap epoll_wait(2).
-
-    @type fd: C{int}
-    @param fd: The epoll file descriptor number.
-
-    @type maxevents: C{int}
-    @param maxevents: Maximum number of events returned.
-
-    @type timeout_msec: C{int}
-    @param timeout_msec: Maximum time in milliseconds waiting for events. 0
-        makes it return immediately whereas -1 makes it wait indefinitely.
-
-    @raise IOError: Raised if the underlying epoll_wait() call fails.
-    """
-    cdef epoll_event *events
-    cdef int result
-    cdef int nbytes
-    cdef PyThreadState *_save
-
-    nbytes = sizeof(epoll_event) * maxevents
-    events = <epoll_event*>malloc(nbytes)
-    memset(events, 0, nbytes)
-    try:
-        _save = PyEval_SaveThread()
-        result = epoll_wait(fd, events, maxevents, timeout_msec)
-        PyEval_RestoreThread(_save)
-
-        if result == -1:
-            raise IOError(errno, strerror(errno))
-        results = []
-        for i from 0 <= i < result:
-            results.append((events[i].data.fd, <int>events[i].events))
-        return results
-    finally:
-        free(events)
-
-cdef class epoll:
-    """
-    Represent a set of file descriptors being monitored for events.
-    """
-
-    cdef int fd
-    cdef int initialized
-
-    def __init__(self, int size=1023):
-        """
-        The constructor arguments are compatible with select.poll.__init__.
-        """
-        self.fd = epoll_create(size)
-        if self.fd == -1:
-            raise IOError(errno, strerror(errno))
-        self.initialized = 1
-
-    def __dealloc__(self):
-        if self.initialized:
-            close(self.fd)
-            self.initialized = 0
-
-    def close(self):
-        """
-        Close the epoll file descriptor.
-        """
-        if self.initialized:
-            if close(self.fd) == -1:
-                raise IOError(errno, strerror(errno))
-            self.initialized = 0
-
-    def fileno(self):
-        """
-        Return the epoll file descriptor number.
-        """
-        return self.fd
-
-    def register(self, int fd, int events):
-        """
-        Add (register) a file descriptor to be monitored by self.
-
-        This method is compatible with select.epoll.register in Python 2.6.
-
-        Wrap epoll_ctl(2).
-
-        @type fd: C{int}
-        @param fd: File descriptor to modify
-
-        @type events: C{int}
-        @param events: A bit set of IN, OUT, PRI, ERR, HUP, and ET.
-
-        @raise IOError: Raised if the underlying epoll_ctl() call fails.
-        """
-        cdef int result
-        cdef epoll_event evt
-        evt.events = events
-        evt.data.fd = fd
-        result = epoll_ctl(self.fd, CTL_ADD, fd, &evt)
-        if result == -1:
-            raise IOError(errno, strerror(errno))
-
-    def unregister(self, int fd):
-        """
-        Remove (unregister) a file descriptor monitored by self.
-
-        This method is compatible with select.epoll.unregister in Python 2.6.
-
-        Wrap epoll_ctl(2).
-
-        @type fd: C{int}
-        @param fd: File descriptor to modify
-
-        @raise IOError: Raised if the underlying epoll_ctl() call fails.
-        """
-        cdef int result
-        cdef epoll_event evt
-        # We don't have to fill evt.events for CTL_DEL.
-        evt.data.fd = fd
-        result = epoll_ctl(self.fd, CTL_DEL, fd, &evt)
-        if result == -1:
-            raise IOError(errno, strerror(errno))
-
-    def modify(self, int fd, int events):
-        """
-        Modify the modified state of a file descriptor monitored by self.
-
-        This method is compatible with select.epoll.modify in Python 2.6.
-
-        Wrap epoll_ctl(2).
-
-        @type fd: C{int}
-        @param fd: File descriptor to modify
-
-        @type events: C{int}
-        @param events: A bit set of IN, OUT, PRI, ERR, HUP, and ET.
-
-        @raise IOError: Raised if the underlying epoll_ctl() call fails.
-        """
-        cdef int result
-        cdef epoll_event evt
-        evt.events = events
-        evt.data.fd = fd
-        result = epoll_ctl(self.fd, CTL_MOD, fd, &evt)
-        if result == -1:
-            raise IOError(errno, strerror(errno))
-
-    def _control(self, int op, int fd, int events):
-        """
-        Modify the monitored state of a particular file descriptor.
-
-        Wrap epoll_ctl(2).
-
-        @type op: C{int}
-        @param op: One of CTL_ADD, CTL_DEL, or CTL_MOD
-
-        @type fd: C{int}
-        @param fd: File descriptor to modify
-
-        @type events: C{int}
-        @param events: A bit set of IN, OUT, PRI, ERR, HUP, and ET.
-
-        @raise IOError: Raised if the underlying epoll_ctl() call fails.
-        """
-        cdef int result
-        cdef epoll_event evt
-        evt.events = events
-        evt.data.fd = fd
-        result = epoll_ctl(self.fd, op, fd, &evt)
-        if result == -1:
-            raise IOError(errno, strerror(errno))
-
-    def wait(self, unsigned int maxevents, int timeout):
-        """
-        Wait for an I/O event, wrap epoll_wait(2).
-
-        @type maxevents: C{int}
-        @param maxevents: Maximum number of events returned.
-
-        @type timeout: C{int}
-        @param timeout: Maximum time in milliseconds waiting for events. 0
-            makes it return immediately whereas -1 makes it wait indefinitely.
-
-        @raise IOError: Raised if the underlying epoll_wait() call fails.
-        """
-        return call_epoll_wait(self.fd, maxevents, timeout)
-
-    def poll(self, float timeout=-1, unsigned int maxevents=1024):
-        """
-        Wait for an I/O event, wrap epoll_wait(2).
-
-        This method is compatible with select.epoll.poll in Python 2.6.
-
-        @type maxevents: C{int}
-        @param maxevents: Maximum number of events returned.
-
-        @type timeout: C{int}
-        @param timeout: Maximum time waiting for events. 0 makes it return
-            immediately whereas -1 makes it wait indefinitely.
-
-        @raise IOError: Raised if the underlying epoll_wait() call fails.
-        """
-        return call_epoll_wait(self.fd, maxevents, <int>(timeout * 1000.0))
-
-
-CTL_ADD = EPOLL_CTL_ADD
-CTL_DEL = EPOLL_CTL_DEL
-CTL_MOD = EPOLL_CTL_MOD
-
-IN = EPOLLIN = c_EPOLLIN
-OUT = EPOLLOUT = c_EPOLLOUT
-PRI = EPOLLPRI = c_EPOLLPRI
-ERR = EPOLLERR = c_EPOLLERR
-HUP = EPOLLHUP = c_EPOLLHUP
-ET = EPOLLET = c_EPOLLET
-
-RDNORM = EPOLLRDNORM = c_EPOLLRDNORM
-RDBAND = EPOLLRDBAND = c_EPOLLRDBAND
-WRNORM = EPOLLWRNORM = c_EPOLLWRNORM
-WRBAND = EPOLLWRBAND = c_EPOLLWRBAND
-MSG = EPOLLMSG = c_EPOLLMSG

twisted/python/dist.py

@@ -417 +417 @@
 
 _isCPython = _checkCPython()
 
-
-def _hasEpoll(builder):
-    """
-    Checks if the header for building epoll (C{sys/epoll.h}) is available.
-
-    @return: C{True} if the header is available, C{False} otherwise.
-    """
-    return builder._check_header("sys/epoll.h")

(a) twisted/test/test_epoll.py vs. (b) /dev/null

@@ -1 @@
-# Copyright (c) Twisted Matrix Laboratories.
-# See LICENSE for details.
-
-"""
-Tests for epoll wrapper.
-"""
-
-import socket, errno, time
-
-from twisted.trial import unittest
-from twisted.python.util import untilConcludes
-
-try:
-    from twisted.python import _epoll
-except ImportError:
-    _epoll = None
-
-
-class EPoll(unittest.TestCase):
-    """
-    Tests for the low-level epoll bindings.
-    """
-    def setUp(self):
-        """
-        Create a listening server port and a list with which to keep track
-        of created sockets.
-        """
-        self.serverSocket = socket.socket()
-        self.serverSocket.bind(('127.0.0.1', 0))
-        self.serverSocket.listen(1)
-        self.connections = [self.serverSocket]
-
-
-    def tearDown(self):
-        """
-        Close any sockets which were opened by the test.
-        """
-        for skt in self.connections:
-            skt.close()
-
-
-    def _connectedPair(self):
-        """
-        Return the two sockets which make up a new TCP connection.
-        """
-        client = socket.socket()
-        client.setblocking(False)
-        try:
-            client.connect(('127.0.0.1', self.serverSocket.getsockname()[1]))
-        except socket.error, e:
-            self.assertEqual(e.args[0], errno.EINPROGRESS)
-        else:
-            raise unittest.FailTest("Connect should have raised EINPROGRESS")
-        server, addr = self.serverSocket.accept()
-
-        self.connections.extend((client, server))
-        return client, server
-
-
-    def test_create(self):
-        """
-        Test the creation of an epoll object.
-        """
-        try:
-            p = _epoll.epoll(16)
-        except OSError, e:
-            raise unittest.FailTest(str(e))
-        else:
-            p.close()
-
-
-    def test_badCreate(self):
-        """
-        Test that attempting to create an epoll object with some random
-        objects raises a TypeError.
-        """
-        self.assertRaises(TypeError, _epoll.epoll, 1, 2, 3)
-        self.assertRaises(TypeError, _epoll.epoll, 'foo')
-        self.assertRaises(TypeError, _epoll.epoll, None)
-        self.assertRaises(TypeError, _epoll.epoll, ())
-        self.assertRaises(TypeError, _epoll.epoll, ['foo'])
-        self.assertRaises(TypeError, _epoll.epoll, {})
-
-
-    def test_add(self):
-        """
-        Test adding a socket to an epoll object.
-        """
-        server, client = self._connectedPair()
-
-        p = _epoll.epoll(2)
-        try:
-            p._control(_epoll.CTL_ADD, server.fileno(), _epoll.IN | _epoll.OUT)
-            p._control(_epoll.CTL_ADD, client.fileno(), _epoll.IN | _epoll.OUT)
-        finally:
-            p.close()
-
-
-    def test_controlAndWait(self):
-        """
-        Test waiting on an epoll object which has had some sockets added to
-        it.
-        """
-        client, server = self._connectedPair()
-
-        p = _epoll.epoll(16)
-        p._control(_epoll.CTL_ADD, client.fileno(), _epoll.IN | _epoll.OUT |
-                   _epoll.ET)
-        p._control(_epoll.CTL_ADD, server.fileno(), _epoll.IN | _epoll.OUT |
-                   _epoll.ET)
-
-        now = time.time()
-        events = untilConcludes(p.wait, 4, 1000)
-        then = time.time()
-        self.failIf(then - now > 0.01)
-
-        events.sort()
-        expected = [(client.fileno(), _epoll.OUT),
-                    (server.fileno(), _epoll.OUT)]
-        expected.sort()
-
-        self.assertEqual(events, expected)
-
-        now = time.time()
-        events = untilConcludes(p.wait, 4, 200)
-        then = time.time()
-        self.failUnless(then - now > 0.1)
-        self.failIf(events)
-
-        client.send("Hello!")
-        server.send("world!!!")
-
-        now = time.time()
-        events = untilConcludes(p.wait, 4, 1000)
-        then = time.time()
-        self.failIf(then - now > 0.01)
-
-        events.sort()
-        expected = [(client.fileno(), _epoll.IN | _epoll.OUT),
-                    (server.fileno(), _epoll.IN | _epoll.OUT)]
-        expected.sort()
-
-        self.assertEqual(events, expected)
-
-if _epoll is None:
-    EPoll.skip = "_epoll module unavailable"
-else:
-    try:
-        e = _epoll.epoll(16)
-    except IOError, exc:
-        if exc.errno == errno.ENOSYS:
-            del exc
-            EPoll.skip = "epoll support missing from platform"
-        else:
-            raise
-    else:
-        e.close()
-        del e

twisted/topfiles/setup.py

@@ -18 +18 @@
 from twisted import copyright
 from twisted.python.dist import setup, ConditionalExtension as Extension
 from twisted.python.dist import getPackages, getDataFiles, getScripts
-from twisted.python.dist import twisted_subprojects, _isCPython, _hasEpoll
+from twisted.python.dist import twisted_subprojects, _isCPython
 
 
 extensions = [
@@ -26 +26 @@
               ["twisted/test/raiser.c"],
               condition=lambda _: _isCPython),
 
-    Extension("twisted.python._epoll",
-              ["twisted/python/_epoll.c"],
-              condition=lambda builder: (_isCPython and _hasEpoll(builder) and
-                                         sys.version_info[:2] < (2, 6))),
-
     Extension("twisted.internet.iocpreactor.iocpsupport",
               ["twisted/internet/iocpreactor/iocpsupport/iocpsupport.c",
                "twisted/internet/iocpreactor/iocpsupport/winsock_pointers.c"],