X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=AppPkg%2FApplications%2FPython%2FPython-2.7.10%2FPyMod-2.7.10%2FModules%2Fselectmodule.c;fp=AppPkg%2FApplications%2FPython%2FPython-2.7.10%2FPyMod-2.7.10%2FModules%2Fselectmodule.c;h=0000000000000000000000000000000000000000;hp=a62774a462b919d696d93f18d66ddc35e8d5dafe;hb=964f432b9b0afe103c41c7613fade3e699118afe;hpb=e2d3a25f1a3135221a9c8061e1b8f90245d727eb
diff --git a/AppPkg/Applications/Python/Python-2.7.10/PyMod-2.7.10/Modules/selectmodule.c b/AppPkg/Applications/Python/Python-2.7.10/PyMod-2.7.10/Modules/selectmodule.c
deleted file mode 100644
index a62774a462..0000000000
--- a/AppPkg/Applications/Python/Python-2.7.10/PyMod-2.7.10/Modules/selectmodule.c
+++ /dev/null
@@ -1,1967 +0,0 @@
-/* @file
- select - Module containing unix select(2) call.
- Under Unix, the file descriptors are small integers.
- Under Win32, select only exists for sockets, and sockets may
- have any value except INVALID_SOCKET.
- Under BeOS, we suffer the same dichotomy as Win32; sockets can be anything
- >= 0.
-
- Copyright (c) 2015, Daryl McDaniel. All rights reserved.
- Copyright (c) 2011 - 2012, Intel Corporation. All rights reserved.
- This program and the accompanying materials are licensed and made available under
- the terms and conditions of the BSD License that accompanies this distribution.
- The full text of the license may be found at
- http://opensource.org/licenses/bsd-license.
-
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-*/
-
-#include "Python.h"
-#include
-
-#ifdef __APPLE__
- /* Perform runtime testing for a broken poll on OSX to make it easier
- * to use the same binary on multiple releases of the OS.
- */
-#undef HAVE_BROKEN_POLL
-#endif
-
-/* Windows #defines FD_SETSIZE to 64 if FD_SETSIZE isn't already defined.
- 64 is too small (too many people have bumped into that limit).
- Here we boost it.
- Users who want even more than the boosted limit should #define
- FD_SETSIZE higher before this; e.g., via compiler /D switch.
-*/
-#if defined(MS_WINDOWS) && !defined(FD_SETSIZE)
-#define FD_SETSIZE 512
-#endif
-
-#if defined(HAVE_POLL_H)
-#include
-#elif defined(HAVE_SYS_POLL_H)
-#include
-#endif
-
-#ifdef __sgi
-/* This is missing from unistd.h */
-extern void bzero(void *, int);
-#endif
-
-#ifdef HAVE_SYS_TYPES_H
-#include
-#endif
-
-#if defined(PYOS_OS2) && !defined(PYCC_GCC)
-#include
-#include
-#endif
-
-#ifdef MS_WINDOWS
-# include
-#else
-# define SOCKET int
-# ifdef __BEOS__
-# include
-# elif defined(__VMS)
-# include
-# endif
-#endif
-
-static PyObject *SelectError;
-
-/* list of Python objects and their file descriptor */
-typedef struct {
- PyObject *obj; /* owned reference */
- SOCKET fd;
- int sentinel; /* -1 == sentinel */
-} pylist;
-
-static void
-reap_obj(pylist fd2obj[FD_SETSIZE + 1])
-{
- int i;
- for (i = 0; i < FD_SETSIZE + 1 && fd2obj[i].sentinel >= 0; i++) {
- Py_CLEAR(fd2obj[i].obj);
- }
- fd2obj[0].sentinel = -1;
-}
-
-
-/* returns -1 and sets the Python exception if an error occurred, otherwise
- returns a number >= 0
-*/
-static int
-seq2set(PyObject *seq, fd_set *set, pylist fd2obj[FD_SETSIZE + 1])
-{
- int i;
- int max = -1;
- int index = 0;
- PyObject* fast_seq = NULL;
- PyObject* o = NULL;
-
- fd2obj[0].obj = (PyObject*)0; /* set list to zero size */
- FD_ZERO(set);
-
- fast_seq = PySequence_Fast(seq, "arguments 1-3 must be sequences");
- if (!fast_seq)
- return -1;
-
- for (i = 0; i < PySequence_Fast_GET_SIZE(fast_seq); i++) {
- SOCKET v;
-
- /* any intervening fileno() calls could decr this refcnt */
- if (!(o = PySequence_Fast_GET_ITEM(fast_seq, i)))
- return -1;
-
- Py_INCREF(o);
- v = PyObject_AsFileDescriptor( o );
- if (v == -1) goto finally;
-
-#if defined(_MSC_VER) && !defined(UEFI_C_SOURCE)
- max = 0; /* not used for Win32 */
-#else /* !_MSC_VER */
- if (!_PyIsSelectable_fd(v)) {
- PyErr_SetString(PyExc_ValueError,
- "filedescriptor out of range in select()");
- goto finally;
- }
- if (v > max)
- max = v;
-#endif /* _MSC_VER */
- FD_SET(v, set);
-
- /* add object and its file descriptor to the list */
- if (index >= FD_SETSIZE) {
- PyErr_SetString(PyExc_ValueError,
- "too many file descriptors in select()");
- goto finally;
- }
- fd2obj[index].obj = o;
- fd2obj[index].fd = v;
- fd2obj[index].sentinel = 0;
- fd2obj[++index].sentinel = -1;
- }
- Py_DECREF(fast_seq);
- return max+1;
-
- finally:
- Py_XDECREF(o);
- Py_DECREF(fast_seq);
- return -1;
-}
-
-/* returns NULL and sets the Python exception if an error occurred */
-static PyObject *
-set2list(fd_set *set, pylist fd2obj[FD_SETSIZE + 1])
-{
- int i, j, count=0;
- PyObject *list, *o;
- SOCKET fd;
-
- for (j = 0; fd2obj[j].sentinel >= 0; j++) {
- if (FD_ISSET(fd2obj[j].fd, set))
- count++;
- }
- list = PyList_New(count);
- if (!list)
- return NULL;
-
- i = 0;
- for (j = 0; fd2obj[j].sentinel >= 0; j++) {
- fd = fd2obj[j].fd;
- if (FD_ISSET(fd, set)) {
- o = fd2obj[j].obj;
- fd2obj[j].obj = NULL;
- /* transfer ownership */
- if (PyList_SetItem(list, i, o) < 0)
- goto finally;
-
- i++;
- }
- }
- return list;
- finally:
- Py_DECREF(list);
- return NULL;
-}
-
-#undef SELECT_USES_HEAP
-#if FD_SETSIZE > 1024
-#define SELECT_USES_HEAP
-#endif /* FD_SETSIZE > 1024 */
-
-static PyObject *
-select_select(PyObject *self, PyObject *args)
-{
-#ifdef SELECT_USES_HEAP
- pylist *rfd2obj, *wfd2obj, *efd2obj;
-#else /* !SELECT_USES_HEAP */
- /* XXX: All this should probably be implemented as follows:
- * - find the highest descriptor we're interested in
- * - add one
- * - that's the size
- * See: Stevens, APitUE, $12.5.1
- */
- pylist rfd2obj[FD_SETSIZE + 1];
- pylist wfd2obj[FD_SETSIZE + 1];
- pylist efd2obj[FD_SETSIZE + 1];
-#endif /* SELECT_USES_HEAP */
- PyObject *ifdlist, *ofdlist, *efdlist;
- PyObject *ret = NULL;
- PyObject *tout = Py_None;
- fd_set ifdset, ofdset, efdset;
- double timeout;
- struct timeval tv, *tvp;
- long seconds;
- int imax, omax, emax, max;
- int n;
-
- /* convert arguments */
- if (!PyArg_UnpackTuple(args, "select", 3, 4,
- &ifdlist, &ofdlist, &efdlist, &tout))
- return NULL;
-
- if (tout == Py_None)
- tvp = (struct timeval *)0;
- else if (!PyNumber_Check(tout)) {
- PyErr_SetString(PyExc_TypeError,
- "timeout must be a float or None");
- return NULL;
- }
- else {
- timeout = PyFloat_AsDouble(tout);
- if (timeout == -1 && PyErr_Occurred())
- return NULL;
- if (timeout > (double)LONG_MAX) {
- PyErr_SetString(PyExc_OverflowError,
- "timeout period too long");
- return NULL;
- }
- seconds = (long)timeout;
- timeout = timeout - (double)seconds;
- tv.tv_sec = seconds;
- tv.tv_usec = (long)(timeout * 1E6);
- tvp = &tv;
- }
-
-
-#ifdef SELECT_USES_HEAP
- /* Allocate memory for the lists */
- rfd2obj = PyMem_NEW(pylist, FD_SETSIZE + 1);
- wfd2obj = PyMem_NEW(pylist, FD_SETSIZE + 1);
- efd2obj = PyMem_NEW(pylist, FD_SETSIZE + 1);
- if (rfd2obj == NULL || wfd2obj == NULL || efd2obj == NULL) {
- if (rfd2obj) PyMem_DEL(rfd2obj);
- if (wfd2obj) PyMem_DEL(wfd2obj);
- if (efd2obj) PyMem_DEL(efd2obj);
- return PyErr_NoMemory();
- }
-#endif /* SELECT_USES_HEAP */
- /* Convert sequences to fd_sets, and get maximum fd number
- * propagates the Python exception set in seq2set()
- */
- rfd2obj[0].sentinel = -1;
- wfd2obj[0].sentinel = -1;
- efd2obj[0].sentinel = -1;
- if ((imax=seq2set(ifdlist, &ifdset, rfd2obj)) < 0)
- goto finally;
- if ((omax=seq2set(ofdlist, &ofdset, wfd2obj)) < 0)
- goto finally;
- if ((emax=seq2set(efdlist, &efdset, efd2obj)) < 0)
- goto finally;
- max = imax;
- if (omax > max) max = omax;
- if (emax > max) max = emax;
-
- Py_BEGIN_ALLOW_THREADS
- n = select(max, &ifdset, &ofdset, &efdset, tvp);
- Py_END_ALLOW_THREADS
-
-#ifdef MS_WINDOWS
- if (n == SOCKET_ERROR) {
- PyErr_SetExcFromWindowsErr(SelectError, WSAGetLastError());
- }
-#else
- if (n < 0) {
- PyErr_SetFromErrno(SelectError);
- }
-#endif
- else {
- /* any of these three calls can raise an exception. it's more
- convenient to test for this after all three calls... but
- is that acceptable?
- */
- ifdlist = set2list(&ifdset, rfd2obj);
- ofdlist = set2list(&ofdset, wfd2obj);
- efdlist = set2list(&efdset, efd2obj);
- if (PyErr_Occurred())
- ret = NULL;
- else
- ret = PyTuple_Pack(3, ifdlist, ofdlist, efdlist);
-
- Py_DECREF(ifdlist);
- Py_DECREF(ofdlist);
- Py_DECREF(efdlist);
- }
-
- finally:
- reap_obj(rfd2obj);
- reap_obj(wfd2obj);
- reap_obj(efd2obj);
-#ifdef SELECT_USES_HEAP
- PyMem_DEL(rfd2obj);
- PyMem_DEL(wfd2obj);
- PyMem_DEL(efd2obj);
-#endif /* SELECT_USES_HEAP */
- return ret;
-}
-
-#if defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)
-/*
- * poll() support
- */
-
-typedef struct {
- PyObject_HEAD
- PyObject *dict;
- int ufd_uptodate;
- int ufd_len;
- struct pollfd *ufds;
- int poll_running;
-} pollObject;
-
-static PyTypeObject poll_Type;
-
-/* Update the malloc'ed array of pollfds to match the dictionary
- contained within a pollObject. Return 1 on success, 0 on an error.
-*/
-
-static int
-update_ufd_array(pollObject *self)
-{
- Py_ssize_t i, pos;
- PyObject *key, *value;
- struct pollfd *old_ufds = self->ufds;
-
- self->ufd_len = PyDict_Size(self->dict);
- PyMem_RESIZE(self->ufds, struct pollfd, self->ufd_len);
- if (self->ufds == NULL) {
- self->ufds = old_ufds;
- PyErr_NoMemory();
- return 0;
- }
-
- i = pos = 0;
- while (PyDict_Next(self->dict, &pos, &key, &value)) {
- assert(i < self->ufd_len);
- /* Never overflow */
- self->ufds[i].fd = (int)PyInt_AsLong(key);
- self->ufds[i].events = (short)(unsigned short)PyInt_AsLong(value);
- i++;
- }
- assert(i == self->ufd_len);
- self->ufd_uptodate = 1;
- return 1;
-}
-
-static int
-ushort_converter(PyObject *obj, void *ptr)
-{
- unsigned long uval;
-
- uval = PyLong_AsUnsignedLong(obj);
- if (uval == (unsigned long)-1 && PyErr_Occurred())
- return 0;
- if (uval > USHRT_MAX) {
- PyErr_SetString(PyExc_OverflowError,
- "Python int too large for C unsigned short");
- return 0;
- }
-
- *(unsigned short *)ptr = Py_SAFE_DOWNCAST(uval, unsigned long, unsigned short);
- return 1;
-}
-
-PyDoc_STRVAR(poll_register_doc,
-"register(fd [, eventmask] ) -> None\n\n\
-Register a file descriptor with the polling object.\n\
-fd -- either an integer, or an object with a fileno() method returning an\n\
- int.\n\
-events -- an optional bitmask describing the type of events to check for");
-
-static PyObject *
-poll_register(pollObject *self, PyObject *args)
-{
- PyObject *o, *key, *value;
- int fd;
- unsigned short events = POLLIN | POLLPRI | POLLOUT;
- int err;
-
- if (!PyArg_ParseTuple(args, "O|O&:register", &o, ushort_converter, &events))
- return NULL;
-
- fd = PyObject_AsFileDescriptor(o);
- if (fd == -1) return NULL;
-
- /* Add entry to the internal dictionary: the key is the
- file descriptor, and the value is the event mask. */
- key = PyInt_FromLong(fd);
- if (key == NULL)
- return NULL;
- value = PyInt_FromLong(events);
- if (value == NULL) {
- Py_DECREF(key);
- return NULL;
- }
- err = PyDict_SetItem(self->dict, key, value);
- Py_DECREF(key);
- Py_DECREF(value);
- if (err < 0)
- return NULL;
-
- self->ufd_uptodate = 0;
-
- Py_INCREF(Py_None);
- return Py_None;
-}
-
-PyDoc_STRVAR(poll_modify_doc,
-"modify(fd, eventmask) -> None\n\n\
-Modify an already registered file descriptor.\n\
-fd -- either an integer, or an object with a fileno() method returning an\n\
- int.\n\
-events -- an optional bitmask describing the type of events to check for");
-
-static PyObject *
-poll_modify(pollObject *self, PyObject *args)
-{
- PyObject *o, *key, *value;
- int fd;
- unsigned short events;
- int err;
-
- if (!PyArg_ParseTuple(args, "OO&:modify", &o, ushort_converter, &events))
- return NULL;
-
- fd = PyObject_AsFileDescriptor(o);
- if (fd == -1) return NULL;
-
- /* Modify registered fd */
- key = PyInt_FromLong(fd);
- if (key == NULL)
- return NULL;
- if (PyDict_GetItem(self->dict, key) == NULL) {
- errno = ENOENT;
- PyErr_SetFromErrno(PyExc_IOError);
- return NULL;
- }
- value = PyInt_FromLong(events);
- if (value == NULL) {
- Py_DECREF(key);
- return NULL;
- }
- err = PyDict_SetItem(self->dict, key, value);
- Py_DECREF(key);
- Py_DECREF(value);
- if (err < 0)
- return NULL;
-
- self->ufd_uptodate = 0;
-
- Py_INCREF(Py_None);
- return Py_None;
-}
-
-
-PyDoc_STRVAR(poll_unregister_doc,
-"unregister(fd) -> None\n\n\
-Remove a file descriptor being tracked by the polling object.");
-
-static PyObject *
-poll_unregister(pollObject *self, PyObject *o)
-{
- PyObject *key;
- int fd;
-
- fd = PyObject_AsFileDescriptor( o );
- if (fd == -1)
- return NULL;
-
- /* Check whether the fd is already in the array */
- key = PyInt_FromLong(fd);
- if (key == NULL)
- return NULL;
-
- if (PyDict_DelItem(self->dict, key) == -1) {
- Py_DECREF(key);
- /* This will simply raise the KeyError set by PyDict_DelItem
- if the file descriptor isn't registered. */
- return NULL;
- }
-
- Py_DECREF(key);
- self->ufd_uptodate = 0;
-
- Py_INCREF(Py_None);
- return Py_None;
-}
-
-PyDoc_STRVAR(poll_poll_doc,
-"poll( [timeout] ) -> list of (fd, event) 2-tuples\n\n\
-Polls the set of registered file descriptors, returning a list containing \n\
-any descriptors that have events or errors to report.");
-
-static PyObject *
-poll_poll(pollObject *self, PyObject *args)
-{
- PyObject *result_list = NULL, *tout = NULL;
- int timeout = 0, poll_result, i, j;
- PyObject *value = NULL, *num = NULL;
-
- if (!PyArg_UnpackTuple(args, "poll", 0, 1, &tout)) {
- return NULL;
- }
-
- /* Check values for timeout */
- if (tout == NULL || tout == Py_None)
- timeout = -1;
- else if (!PyNumber_Check(tout)) {
- PyErr_SetString(PyExc_TypeError,
- "timeout must be an integer or None");
- return NULL;
- }
- else {
- tout = PyNumber_Int(tout);
- if (!tout)
- return NULL;
- timeout = _PyInt_AsInt(tout);
- Py_DECREF(tout);
- if (timeout == -1 && PyErr_Occurred())
- return NULL;
- }
-
- /* Avoid concurrent poll() invocation, issue 8865 */
- if (self->poll_running) {
- PyErr_SetString(PyExc_RuntimeError,
- "concurrent poll() invocation");
- return NULL;
- }
-
- /* Ensure the ufd array is up to date */
- if (!self->ufd_uptodate)
- if (update_ufd_array(self) == 0)
- return NULL;
-
- self->poll_running = 1;
-
- /* call poll() */
- Py_BEGIN_ALLOW_THREADS
- poll_result = poll(self->ufds, self->ufd_len, timeout);
- Py_END_ALLOW_THREADS
-
- self->poll_running = 0;
-
- if (poll_result < 0) {
- PyErr_SetFromErrno(SelectError);
- return NULL;
- }
-
- /* build the result list */
-
- result_list = PyList_New(poll_result);
- if (!result_list)
- return NULL;
- else {
- for (i = 0, j = 0; j < poll_result; j++) {
- /* skip to the next fired descriptor */
- while (!self->ufds[i].revents) {
- i++;
- }
- /* if we hit a NULL return, set value to NULL
- and break out of loop; code at end will
- clean up result_list */
- value = PyTuple_New(2);
- if (value == NULL)
- goto error;
- num = PyInt_FromLong(self->ufds[i].fd);
- if (num == NULL) {
- Py_DECREF(value);
- goto error;
- }
- PyTuple_SET_ITEM(value, 0, num);
-
- /* The &0xffff is a workaround for AIX. 'revents'
- is a 16-bit short, and IBM assigned POLLNVAL
- to be 0x8000, so the conversion to int results
- in a negative number. See SF bug #923315. */
- num = PyInt_FromLong(self->ufds[i].revents & 0xffff);
- if (num == NULL) {
- Py_DECREF(value);
- goto error;
- }
- PyTuple_SET_ITEM(value, 1, num);
- if ((PyList_SetItem(result_list, j, value)) == -1) {
- Py_DECREF(value);
- goto error;
- }
- i++;
- }
- }
- return result_list;
-
- error:
- Py_DECREF(result_list);
- return NULL;
-}
-
-static PyMethodDef poll_methods[] = {
- {"register", (PyCFunction)poll_register,
- METH_VARARGS, poll_register_doc},
- {"modify", (PyCFunction)poll_modify,
- METH_VARARGS, poll_modify_doc},
- {"unregister", (PyCFunction)poll_unregister,
- METH_O, poll_unregister_doc},
- {"poll", (PyCFunction)poll_poll,
- METH_VARARGS, poll_poll_doc},
- {NULL, NULL} /* sentinel */
-};
-
-static pollObject *
-newPollObject(void)
-{
- pollObject *self;
- self = PyObject_New(pollObject, &poll_Type);
- if (self == NULL)
- return NULL;
- /* ufd_uptodate is a Boolean, denoting whether the
- array pointed to by ufds matches the contents of the dictionary. */
- self->ufd_uptodate = 0;
- self->ufds = NULL;
- self->poll_running = 0;
- self->dict = PyDict_New();
- if (self->dict == NULL) {
- Py_DECREF(self);
- return NULL;
- }
- return self;
-}
-
-static void
-poll_dealloc(pollObject *self)
-{
- if (self->ufds != NULL)
- PyMem_DEL(self->ufds);
- Py_XDECREF(self->dict);
- PyObject_Del(self);
-}
-
-static PyObject *
-poll_getattr(pollObject *self, char *name)
-{
- return Py_FindMethod(poll_methods, (PyObject *)self, name);
-}
-
-static PyTypeObject poll_Type = {
- /* The ob_type field must be initialized in the module init function
- * to be portable to Windows without using C++. */
- PyVarObject_HEAD_INIT(NULL, 0)
- "select.poll", /*tp_name*/
- sizeof(pollObject), /*tp_basicsize*/
- 0, /*tp_itemsize*/
- /* methods */
- (destructor)poll_dealloc, /*tp_dealloc*/
- 0, /*tp_print*/
- (getattrfunc)poll_getattr, /*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*/
-};
-
-PyDoc_STRVAR(poll_doc,
-"Returns a polling object, which supports registering and\n\
-unregistering file descriptors, and then polling them for I/O events.");
-
-static PyObject *
-select_poll(PyObject *self, PyObject *unused)
-{
- return (PyObject *)newPollObject();
-}
-
-#ifdef __APPLE__
-/*
- * On some systems poll() sets errno on invalid file descriptors. We test
- * for this at runtime because this bug may be fixed or introduced between
- * OS releases.
- */
-static int select_have_broken_poll(void)
-{
- int poll_test;
- int filedes[2];
-
- struct pollfd poll_struct = { 0, POLLIN|POLLPRI|POLLOUT, 0 };
-
- /* Create a file descriptor to make invalid */
- if (pipe(filedes) < 0) {
- return 1;
- }
- poll_struct.fd = filedes[0];
- close(filedes[0]);
- close(filedes[1]);
- poll_test = poll(&poll_struct, 1, 0);
- if (poll_test < 0) {
- return 1;
- } else if (poll_test == 0 && poll_struct.revents != POLLNVAL) {
- return 1;
- }
- return 0;
-}
-#endif /* __APPLE__ */
-
-#endif /* HAVE_POLL */
-
-#ifdef HAVE_EPOLL
-/* **************************************************************************
- * epoll interface for Linux 2.6
- *
- * Written by Christian Heimes
- * Inspired by Twisted's _epoll.pyx and select.poll()
- */
-
-#ifdef HAVE_SYS_EPOLL_H
-#include
-#endif
-
-typedef struct {
- PyObject_HEAD
- SOCKET epfd; /* epoll control file descriptor */
-} pyEpoll_Object;
-
-static PyTypeObject pyEpoll_Type;
-#define pyepoll_CHECK(op) (PyObject_TypeCheck((op), &pyEpoll_Type))
-
-static PyObject *
-pyepoll_err_closed(void)
-{
- PyErr_SetString(PyExc_ValueError, "I/O operation on closed epoll fd");
- return NULL;
-}
-
-static int
-pyepoll_internal_close(pyEpoll_Object *self)
-{
- int save_errno = 0;
- if (self->epfd >= 0) {
- int epfd = self->epfd;
- self->epfd = -1;
- Py_BEGIN_ALLOW_THREADS
- if (close(epfd) < 0)
- save_errno = errno;
- Py_END_ALLOW_THREADS
- }
- return save_errno;
-}
-
-static PyObject *
-newPyEpoll_Object(PyTypeObject *type, int sizehint, SOCKET fd)
-{
- pyEpoll_Object *self;
-
- if (sizehint == -1) {
- sizehint = FD_SETSIZE-1;
- }
- else if (sizehint < 1) {
- PyErr_Format(PyExc_ValueError,
- "sizehint must be greater zero, got %d",
- sizehint);
- return NULL;
- }
-
- assert(type != NULL && type->tp_alloc != NULL);
- self = (pyEpoll_Object *) type->tp_alloc(type, 0);
- if (self == NULL)
- return NULL;
-
- if (fd == -1) {
- Py_BEGIN_ALLOW_THREADS
- self->epfd = epoll_create(sizehint);
- Py_END_ALLOW_THREADS
- }
- else {
- self->epfd = fd;
- }
- if (self->epfd < 0) {
- Py_DECREF(self);
- PyErr_SetFromErrno(PyExc_IOError);
- return NULL;
- }
- return (PyObject *)self;
-}
-
-
-static PyObject *
-pyepoll_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
-{
- int sizehint = -1;
- static char *kwlist[] = {"sizehint", NULL};
-
- if (!PyArg_ParseTupleAndKeywords(args, kwds, "|i:epoll", kwlist,
- &sizehint))
- return NULL;
-
- return newPyEpoll_Object(type, sizehint, -1);
-}
-
-
-static void
-pyepoll_dealloc(pyEpoll_Object *self)
-{
- (void)pyepoll_internal_close(self);
- Py_TYPE(self)->tp_free(self);
-}
-
-static PyObject*
-pyepoll_close(pyEpoll_Object *self)
-{
- errno = pyepoll_internal_close(self);
- if (errno < 0) {
- PyErr_SetFromErrno(PyExc_IOError);
- return NULL;
- }
- Py_RETURN_NONE;
-}
-
-PyDoc_STRVAR(pyepoll_close_doc,
-"close() -> None\n\
-\n\
-Close the epoll control file descriptor. Further operations on the epoll\n\
-object will raise an exception.");
-
-static PyObject*
-pyepoll_get_closed(pyEpoll_Object *self)
-{
- if (self->epfd < 0)
- Py_RETURN_TRUE;
- else
- Py_RETURN_FALSE;
-}
-
-static PyObject*
-pyepoll_fileno(pyEpoll_Object *self)
-{
- if (self->epfd < 0)
- return pyepoll_err_closed();
- return PyInt_FromLong(self->epfd);
-}
-
-PyDoc_STRVAR(pyepoll_fileno_doc,
-"fileno() -> int\n\
-\n\
-Return the epoll control file descriptor.");
-
-static PyObject*
-pyepoll_fromfd(PyObject *cls, PyObject *args)
-{
- SOCKET fd;
-
- if (!PyArg_ParseTuple(args, "i:fromfd", &fd))
- return NULL;
-
- return newPyEpoll_Object((PyTypeObject*)cls, -1, fd);
-}
-
-PyDoc_STRVAR(pyepoll_fromfd_doc,
-"fromfd(fd) -> epoll\n\
-\n\
-Create an epoll object from a given control fd.");
-
-static PyObject *
-pyepoll_internal_ctl(int epfd, int op, PyObject *pfd, unsigned int events)
-{
- struct epoll_event ev;
- int result;
- int fd;
-
- if (epfd < 0)
- return pyepoll_err_closed();
-
- fd = PyObject_AsFileDescriptor(pfd);
- if (fd == -1) {
- return NULL;
- }
-
- switch(op) {
- case EPOLL_CTL_ADD:
- case EPOLL_CTL_MOD:
- ev.events = events;
- ev.data.fd = fd;
- Py_BEGIN_ALLOW_THREADS
- result = epoll_ctl(epfd, op, fd, &ev);
- Py_END_ALLOW_THREADS
- break;
- case EPOLL_CTL_DEL:
- /* In kernel versions before 2.6.9, the EPOLL_CTL_DEL
- * operation required a non-NULL pointer in event, even
- * though this argument is ignored. */
- Py_BEGIN_ALLOW_THREADS
- result = epoll_ctl(epfd, op, fd, &ev);
- if (errno == EBADF) {
- /* fd already closed */
- result = 0;
- errno = 0;
- }
- Py_END_ALLOW_THREADS
- break;
- default:
- result = -1;
- errno = EINVAL;
- }
-
- if (result < 0) {
- PyErr_SetFromErrno(PyExc_IOError);
- return NULL;
- }
- Py_RETURN_NONE;
-}
-
-static PyObject *
-pyepoll_register(pyEpoll_Object *self, PyObject *args, PyObject *kwds)
-{
- PyObject *pfd;
- unsigned int events = EPOLLIN | EPOLLOUT | EPOLLPRI;
- static char *kwlist[] = {"fd", "eventmask", NULL};
-
- if (!PyArg_ParseTupleAndKeywords(args, kwds, "O|I:register", kwlist,
- &pfd, &events)) {
- return NULL;
- }
-
- return pyepoll_internal_ctl(self->epfd, EPOLL_CTL_ADD, pfd, events);
-}
-
-PyDoc_STRVAR(pyepoll_register_doc,
-"register(fd[, eventmask]) -> None\n\
-\n\
-Registers a new fd or raises an IOError if the fd is already registered.\n\
-fd is the target file descriptor of the operation.\n\
-events is a bit set composed of the various EPOLL constants; the default\n\
-is EPOLL_IN | EPOLL_OUT | EPOLL_PRI.\n\
-\n\
-The epoll interface supports all file descriptors that support poll.");
-
-static PyObject *
-pyepoll_modify(pyEpoll_Object *self, PyObject *args, PyObject *kwds)
-{
- PyObject *pfd;
- unsigned int events;
- static char *kwlist[] = {"fd", "eventmask", NULL};
-
- if (!PyArg_ParseTupleAndKeywords(args, kwds, "OI:modify", kwlist,
- &pfd, &events)) {
- return NULL;
- }
-
- return pyepoll_internal_ctl(self->epfd, EPOLL_CTL_MOD, pfd, events);
-}
-
-PyDoc_STRVAR(pyepoll_modify_doc,
-"modify(fd, eventmask) -> None\n\
-\n\
-fd is the target file descriptor of the operation\n\
-events is a bit set composed of the various EPOLL constants");
-
-static PyObject *
-pyepoll_unregister(pyEpoll_Object *self, PyObject *args, PyObject *kwds)
-{
- PyObject *pfd;
- static char *kwlist[] = {"fd", NULL};
-
- if (!PyArg_ParseTupleAndKeywords(args, kwds, "O:unregister", kwlist,
- &pfd)) {
- return NULL;
- }
-
- return pyepoll_internal_ctl(self->epfd, EPOLL_CTL_DEL, pfd, 0);
-}
-
-PyDoc_STRVAR(pyepoll_unregister_doc,
-"unregister(fd) -> None\n\
-\n\
-fd is the target file descriptor of the operation.");
-
-static PyObject *
-pyepoll_poll(pyEpoll_Object *self, PyObject *args, PyObject *kwds)
-{
- double dtimeout = -1.;
- int timeout;
- int maxevents = -1;
- int nfds, i;
- PyObject *elist = NULL, *etuple = NULL;
- struct epoll_event *evs = NULL;
- static char *kwlist[] = {"timeout", "maxevents", NULL};
-
- if (self->epfd < 0)
- return pyepoll_err_closed();
-
- if (!PyArg_ParseTupleAndKeywords(args, kwds, "|di:poll", kwlist,
- &dtimeout, &maxevents)) {
- return NULL;
- }
-
- if (dtimeout < 0) {
- timeout = -1;
- }
- else if (dtimeout * 1000.0 > INT_MAX) {
- PyErr_SetString(PyExc_OverflowError,
- "timeout is too large");
- return NULL;
- }
- else {
- timeout = (int)(dtimeout * 1000.0);
- }
-
- if (maxevents == -1) {
- maxevents = FD_SETSIZE-1;
- }
- else if (maxevents < 1) {
- PyErr_Format(PyExc_ValueError,
- "maxevents must be greater than 0, got %d",
- maxevents);
- return NULL;
- }
-
- evs = PyMem_New(struct epoll_event, maxevents);
- if (evs == NULL) {
- Py_DECREF(self);
- PyErr_NoMemory();
- return NULL;
- }
-
- Py_BEGIN_ALLOW_THREADS
- nfds = epoll_wait(self->epfd, evs, maxevents, timeout);
- Py_END_ALLOW_THREADS
- if (nfds < 0) {
- PyErr_SetFromErrno(PyExc_IOError);
- goto error;
- }
-
- elist = PyList_New(nfds);
- if (elist == NULL) {
- goto error;
- }
-
- for (i = 0; i < nfds; i++) {
- etuple = Py_BuildValue("iI", evs[i].data.fd, evs[i].events);
- if (etuple == NULL) {
- Py_CLEAR(elist);
- goto error;
- }
- PyList_SET_ITEM(elist, i, etuple);
- }
-
- error:
- PyMem_Free(evs);
- return elist;
-}
-
-PyDoc_STRVAR(pyepoll_poll_doc,
-"poll([timeout=-1[, maxevents=-1]]) -> [(fd, events), (...)]\n\
-\n\
-Wait for events on the epoll file descriptor for a maximum time of timeout\n\
-in seconds (as float). -1 makes poll wait indefinitely.\n\
-Up to maxevents are returned to the caller.");
-
-static PyMethodDef pyepoll_methods[] = {
- {"fromfd", (PyCFunction)pyepoll_fromfd,
- METH_VARARGS | METH_CLASS, pyepoll_fromfd_doc},
- {"close", (PyCFunction)pyepoll_close, METH_NOARGS,
- pyepoll_close_doc},
- {"fileno", (PyCFunction)pyepoll_fileno, METH_NOARGS,
- pyepoll_fileno_doc},
- {"modify", (PyCFunction)pyepoll_modify,
- METH_VARARGS | METH_KEYWORDS, pyepoll_modify_doc},
- {"register", (PyCFunction)pyepoll_register,
- METH_VARARGS | METH_KEYWORDS, pyepoll_register_doc},
- {"unregister", (PyCFunction)pyepoll_unregister,
- METH_VARARGS | METH_KEYWORDS, pyepoll_unregister_doc},
- {"poll", (PyCFunction)pyepoll_poll,
- METH_VARARGS | METH_KEYWORDS, pyepoll_poll_doc},
- {NULL, NULL},
-};
-
-static PyGetSetDef pyepoll_getsetlist[] = {
- {"closed", (getter)pyepoll_get_closed, NULL,
- "True if the epoll handler is closed"},
- {0},
-};
-
-PyDoc_STRVAR(pyepoll_doc,
-"select.epoll([sizehint=-1])\n\
-\n\
-Returns an epolling object\n\
-\n\
-sizehint must be a positive integer or -1 for the default size. The\n\
-sizehint is used to optimize internal data structures. It doesn't limit\n\
-the maximum number of monitored events.");
-
-static PyTypeObject pyEpoll_Type = {
- PyVarObject_HEAD_INIT(NULL, 0)
- "select.epoll", /* tp_name */
- sizeof(pyEpoll_Object), /* tp_basicsize */
- 0, /* tp_itemsize */
- (destructor)pyepoll_dealloc, /* tp_dealloc */
- 0, /* 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 */
- PyObject_GenericGetAttr, /* tp_getattro */
- 0, /* tp_setattro */
- 0, /* tp_as_buffer */
- Py_TPFLAGS_DEFAULT, /* tp_flags */
- pyepoll_doc, /* tp_doc */
- 0, /* tp_traverse */
- 0, /* tp_clear */
- 0, /* tp_richcompare */
- 0, /* tp_weaklistoffset */
- 0, /* tp_iter */
- 0, /* tp_iternext */
- pyepoll_methods, /* tp_methods */
- 0, /* tp_members */
- pyepoll_getsetlist, /* 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 */
- pyepoll_new, /* tp_new */
- 0, /* tp_free */
-};
-
-#endif /* HAVE_EPOLL */
-
-#ifdef HAVE_KQUEUE
-/* **************************************************************************
- * kqueue interface for BSD
- *
- * Copyright (c) 2000 Doug White, 2006 James Knight, 2007 Christian Heimes
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#ifdef HAVE_SYS_EVENT_H
-#include
-#endif
-
-PyDoc_STRVAR(kqueue_event_doc,
-"kevent(ident, filter=KQ_FILTER_READ, flags=KQ_EV_ADD, fflags=0, data=0, udata=0)\n\
-\n\
-This object is the equivalent of the struct kevent for the C API.\n\
-\n\
-See the kqueue manpage for more detailed information about the meaning\n\
-of the arguments.\n\
-\n\
-One minor note: while you might hope that udata could store a\n\
-reference to a python object, it cannot, because it is impossible to\n\
-keep a proper reference count of the object once it's passed into the\n\
-kernel. Therefore, I have restricted it to only storing an integer. I\n\
-recommend ignoring it and simply using the 'ident' field to key off\n\
-of. You could also set up a dictionary on the python side to store a\n\
-udata->object mapping.");
-
-typedef struct {
- PyObject_HEAD
- struct kevent e;
-} kqueue_event_Object;
-
-static PyTypeObject kqueue_event_Type;
-
-#define kqueue_event_Check(op) (PyObject_TypeCheck((op), &kqueue_event_Type))
-
-typedef struct {
- PyObject_HEAD
- SOCKET kqfd; /* kqueue control fd */
-} kqueue_queue_Object;
-
-static PyTypeObject kqueue_queue_Type;
-
-#define kqueue_queue_Check(op) (PyObject_TypeCheck((op), &kqueue_queue_Type))
-
-#if (SIZEOF_UINTPTR_T != SIZEOF_VOID_P)
-# error uintptr_t does not match void *!
-#elif (SIZEOF_UINTPTR_T == SIZEOF_LONG_LONG)
-# define T_UINTPTRT T_ULONGLONG
-# define T_INTPTRT T_LONGLONG
-# define PyLong_AsUintptr_t PyLong_AsUnsignedLongLong
-# define UINTPTRT_FMT_UNIT "K"
-# define INTPTRT_FMT_UNIT "L"
-#elif (SIZEOF_UINTPTR_T == SIZEOF_LONG)
-# define T_UINTPTRT T_ULONG
-# define T_INTPTRT T_LONG
-# define PyLong_AsUintptr_t PyLong_AsUnsignedLong
-# define UINTPTRT_FMT_UNIT "k"
-# define INTPTRT_FMT_UNIT "l"
-#elif (SIZEOF_UINTPTR_T == SIZEOF_INT)
-# define T_UINTPTRT T_UINT
-# define T_INTPTRT T_INT
-# define PyLong_AsUintptr_t PyLong_AsUnsignedLong
-# define UINTPTRT_FMT_UNIT "I"
-# define INTPTRT_FMT_UNIT "i"
-#else
-# error uintptr_t does not match int, long, or long long!
-#endif
-
-/*
- * kevent is not standard and its members vary across BSDs.
- */
-#if !defined(__OpenBSD__)
-# define IDENT_TYPE T_UINTPTRT
-# define IDENT_CAST Py_intptr_t
-# define DATA_TYPE T_INTPTRT
-# define DATA_FMT_UNIT INTPTRT_FMT_UNIT
-# define IDENT_AsType PyLong_AsUintptr_t
-#else
-# define IDENT_TYPE T_UINT
-# define IDENT_CAST int
-# define DATA_TYPE T_INT
-# define DATA_FMT_UNIT "i"
-# define IDENT_AsType PyLong_AsUnsignedLong
-#endif
-
-/* Unfortunately, we can't store python objects in udata, because
- * kevents in the kernel can be removed without warning, which would
- * forever lose the refcount on the object stored with it.
- */
-
-#define KQ_OFF(x) offsetof(kqueue_event_Object, x)
-static struct PyMemberDef kqueue_event_members[] = {
- {"ident", IDENT_TYPE, KQ_OFF(e.ident)},
- {"filter", T_SHORT, KQ_OFF(e.filter)},
- {"flags", T_USHORT, KQ_OFF(e.flags)},
- {"fflags", T_UINT, KQ_OFF(e.fflags)},
- {"data", DATA_TYPE, KQ_OFF(e.data)},
- {"udata", T_UINTPTRT, KQ_OFF(e.udata)},
- {NULL} /* Sentinel */
-};
-#undef KQ_OFF
-
-static PyObject *
-
-kqueue_event_repr(kqueue_event_Object *s)
-{
- char buf[1024];
- PyOS_snprintf(
- buf, sizeof(buf),
- "",
- (size_t)(s->e.ident), s->e.filter, s->e.flags,
- s->e.fflags, (Py_ssize_t)(s->e.data), s->e.udata);
- return PyString_FromString(buf);
-}
-
-static int
-kqueue_event_init(kqueue_event_Object *self, PyObject *args, PyObject *kwds)
-{
- PyObject *pfd;
- static char *kwlist[] = {"ident", "filter", "flags", "fflags",
- "data", "udata", NULL};
- static char *fmt = "O|hHI" DATA_FMT_UNIT UINTPTRT_FMT_UNIT ":kevent";
-
- EV_SET(&(self->e), 0, EVFILT_READ, EV_ADD, 0, 0, 0); /* defaults */
-
- if (!PyArg_ParseTupleAndKeywords(args, kwds, fmt, kwlist,
- &pfd, &(self->e.filter), &(self->e.flags),
- &(self->e.fflags), &(self->e.data), &(self->e.udata))) {
- return -1;
- }
-
- if (PyLong_Check(pfd)
-#if IDENT_TYPE == T_UINT
- && PyLong_AsUnsignedLong(pfd) <= UINT_MAX
-#endif
- ) {
- self->e.ident = IDENT_AsType(pfd);
- }
- else {
- self->e.ident = PyObject_AsFileDescriptor(pfd);
- }
- if (PyErr_Occurred()) {
- return -1;
- }
- return 0;
-}
-
-static PyObject *
-kqueue_event_richcompare(kqueue_event_Object *s, kqueue_event_Object *o,
- int op)
-{
- Py_intptr_t result = 0;
-
- if (!kqueue_event_Check(o)) {
- if (op == Py_EQ || op == Py_NE) {
- PyObject *res = op == Py_EQ ? Py_False : Py_True;
- Py_INCREF(res);
- return res;
- }
- PyErr_Format(PyExc_TypeError,
- "can't compare %.200s to %.200s",
- Py_TYPE(s)->tp_name, Py_TYPE(o)->tp_name);
- return NULL;
- }
- if (((result = (IDENT_CAST)(s->e.ident - o->e.ident)) == 0) &&
- ((result = s->e.filter - o->e.filter) == 0) &&
- ((result = s->e.flags - o->e.flags) == 0) &&
- ((result = (int)(s->e.fflags - o->e.fflags)) == 0) &&
- ((result = s->e.data - o->e.data) == 0) &&
- ((result = s->e.udata - o->e.udata) == 0)
- ) {
- result = 0;
- }
-
- switch (op) {
- case Py_EQ:
- result = (result == 0);
- break;
- case Py_NE:
- result = (result != 0);
- break;
- case Py_LE:
- result = (result <= 0);
- break;
- case Py_GE:
- result = (result >= 0);
- break;
- case Py_LT:
- result = (result < 0);
- break;
- case Py_GT:
- result = (result > 0);
- break;
- }
- return PyBool_FromLong((long)result);
-}
-
-static PyTypeObject kqueue_event_Type = {
- PyVarObject_HEAD_INIT(NULL, 0)
- "select.kevent", /* tp_name */
- sizeof(kqueue_event_Object), /* tp_basicsize */
- 0, /* tp_itemsize */
- 0, /* tp_dealloc */
- 0, /* tp_print */
- 0, /* tp_getattr */
- 0, /* tp_setattr */
- 0, /* tp_compare */
- (reprfunc)kqueue_event_repr, /* 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 */
- Py_TPFLAGS_DEFAULT, /* tp_flags */
- kqueue_event_doc, /* tp_doc */
- 0, /* tp_traverse */
- 0, /* tp_clear */
- (richcmpfunc)kqueue_event_richcompare, /* tp_richcompare */
- 0, /* tp_weaklistoffset */
- 0, /* tp_iter */
- 0, /* tp_iternext */
- 0, /* tp_methods */
- kqueue_event_members, /* tp_members */
- 0, /* tp_getset */
- 0, /* tp_base */
- 0, /* tp_dict */
- 0, /* tp_descr_get */
- 0, /* tp_descr_set */
- 0, /* tp_dictoffset */
- (initproc)kqueue_event_init, /* tp_init */
- 0, /* tp_alloc */
- 0, /* tp_new */
- 0, /* tp_free */
-};
-
-static PyObject *
-kqueue_queue_err_closed(void)
-{
- PyErr_SetString(PyExc_ValueError, "I/O operation on closed kqueue fd");
- return NULL;
-}
-
-static int
-kqueue_queue_internal_close(kqueue_queue_Object *self)
-{
- int save_errno = 0;
- if (self->kqfd >= 0) {
- int kqfd = self->kqfd;
- self->kqfd = -1;
- Py_BEGIN_ALLOW_THREADS
- if (close(kqfd) < 0)
- save_errno = errno;
- Py_END_ALLOW_THREADS
- }
- return save_errno;
-}
-
-static PyObject *
-newKqueue_Object(PyTypeObject *type, SOCKET fd)
-{
- kqueue_queue_Object *self;
- assert(type != NULL && type->tp_alloc != NULL);
- self = (kqueue_queue_Object *) type->tp_alloc(type, 0);
- if (self == NULL) {
- return NULL;
- }
-
- if (fd == -1) {
- Py_BEGIN_ALLOW_THREADS
- self->kqfd = kqueue();
- Py_END_ALLOW_THREADS
- }
- else {
- self->kqfd = fd;
- }
- if (self->kqfd < 0) {
- Py_DECREF(self);
- PyErr_SetFromErrno(PyExc_IOError);
- return NULL;
- }
- return (PyObject *)self;
-}
-
-static PyObject *
-kqueue_queue_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
-{
-
- if ((args != NULL && PyObject_Size(args)) ||
- (kwds != NULL && PyObject_Size(kwds))) {
- PyErr_SetString(PyExc_ValueError,
- "select.kqueue doesn't accept arguments");
- return NULL;
- }
-
- return newKqueue_Object(type, -1);
-}
-
-static void
-kqueue_queue_dealloc(kqueue_queue_Object *self)
-{
- kqueue_queue_internal_close(self);
- Py_TYPE(self)->tp_free(self);
-}
-
-static PyObject*
-kqueue_queue_close(kqueue_queue_Object *self)
-{
- errno = kqueue_queue_internal_close(self);
- if (errno < 0) {
- PyErr_SetFromErrno(PyExc_IOError);
- return NULL;
- }
- Py_RETURN_NONE;
-}
-
-PyDoc_STRVAR(kqueue_queue_close_doc,
-"close() -> None\n\
-\n\
-Close the kqueue control file descriptor. Further operations on the kqueue\n\
-object will raise an exception.");
-
-static PyObject*
-kqueue_queue_get_closed(kqueue_queue_Object *self)
-{
- if (self->kqfd < 0)
- Py_RETURN_TRUE;
- else
- Py_RETURN_FALSE;
-}
-
-static PyObject*
-kqueue_queue_fileno(kqueue_queue_Object *self)
-{
- if (self->kqfd < 0)
- return kqueue_queue_err_closed();
- return PyInt_FromLong(self->kqfd);
-}
-
-PyDoc_STRVAR(kqueue_queue_fileno_doc,
-"fileno() -> int\n\
-\n\
-Return the kqueue control file descriptor.");
-
-static PyObject*
-kqueue_queue_fromfd(PyObject *cls, PyObject *args)
-{
- SOCKET fd;
-
- if (!PyArg_ParseTuple(args, "i:fromfd", &fd))
- return NULL;
-
- return newKqueue_Object((PyTypeObject*)cls, fd);
-}
-
-PyDoc_STRVAR(kqueue_queue_fromfd_doc,
-"fromfd(fd) -> kqueue\n\
-\n\
-Create a kqueue object from a given control fd.");
-
-static PyObject *
-kqueue_queue_control(kqueue_queue_Object *self, PyObject *args)
-{
- int nevents = 0;
- int gotevents = 0;
- int nchanges = 0;
- int i = 0;
- PyObject *otimeout = NULL;
- PyObject *ch = NULL;
- PyObject *it = NULL, *ei = NULL;
- PyObject *result = NULL;
- struct kevent *evl = NULL;
- struct kevent *chl = NULL;
- struct timespec timeoutspec;
- struct timespec *ptimeoutspec;
-
- if (self->kqfd < 0)
- return kqueue_queue_err_closed();
-
- if (!PyArg_ParseTuple(args, "Oi|O:control", &ch, &nevents, &otimeout))
- return NULL;
-
- if (nevents < 0) {
- PyErr_Format(PyExc_ValueError,
- "Length of eventlist must be 0 or positive, got %d",
- nevents);
- return NULL;
- }
-
- if (otimeout == Py_None || otimeout == NULL) {
- ptimeoutspec = NULL;
- }
- else if (PyNumber_Check(otimeout)) {
- double timeout;
- long seconds;
-
- timeout = PyFloat_AsDouble(otimeout);
- if (timeout == -1 && PyErr_Occurred())
- return NULL;
- if (timeout > (double)LONG_MAX) {
- PyErr_SetString(PyExc_OverflowError,
- "timeout period too long");
- return NULL;
- }
- if (timeout < 0) {
- PyErr_SetString(PyExc_ValueError,
- "timeout must be positive or None");
- return NULL;
- }
-
- seconds = (long)timeout;
- timeout = timeout - (double)seconds;
- timeoutspec.tv_sec = seconds;
- timeoutspec.tv_nsec = (long)(timeout * 1E9);
- ptimeoutspec = &timeoutspec;
- }
- else {
- PyErr_Format(PyExc_TypeError,
- "timeout argument must be an number "
- "or None, got %.200s",
- Py_TYPE(otimeout)->tp_name);
- return NULL;
- }
-
- if (ch != NULL && ch != Py_None) {
- it = PyObject_GetIter(ch);
- if (it == NULL) {
- PyErr_SetString(PyExc_TypeError,
- "changelist is not iterable");
- return NULL;
- }
- nchanges = PyObject_Size(ch);
- if (nchanges < 0) {
- goto error;
- }
-
- chl = PyMem_New(struct kevent, nchanges);
- if (chl == NULL) {
- PyErr_NoMemory();
- goto error;
- }
- i = 0;
- while ((ei = PyIter_Next(it)) != NULL) {
- if (!kqueue_event_Check(ei)) {
- Py_DECREF(ei);
- PyErr_SetString(PyExc_TypeError,
- "changelist must be an iterable of "
- "select.kevent objects");
- goto error;
- } else {
- chl[i++] = ((kqueue_event_Object *)ei)->e;
- }
- Py_DECREF(ei);
- }
- }
- Py_CLEAR(it);
-
- /* event list */
- if (nevents) {
- evl = PyMem_New(struct kevent, nevents);
- if (evl == NULL) {
- PyErr_NoMemory();
- goto error;
- }
- }
-
- Py_BEGIN_ALLOW_THREADS
- gotevents = kevent(self->kqfd, chl, nchanges,
- evl, nevents, ptimeoutspec);
- Py_END_ALLOW_THREADS
-
- if (gotevents == -1) {
- PyErr_SetFromErrno(PyExc_OSError);
- goto error;
- }
-
- result = PyList_New(gotevents);
- if (result == NULL) {
- goto error;
- }
-
- for (i = 0; i < gotevents; i++) {
- kqueue_event_Object *ch;
-
- ch = PyObject_New(kqueue_event_Object, &kqueue_event_Type);
- if (ch == NULL) {
- goto error;
- }
- ch->e = evl[i];
- PyList_SET_ITEM(result, i, (PyObject *)ch);
- }
- PyMem_Free(chl);
- PyMem_Free(evl);
- return result;
-
- error:
- PyMem_Free(chl);
- PyMem_Free(evl);
- Py_XDECREF(result);
- Py_XDECREF(it);
- return NULL;
-}
-
-PyDoc_STRVAR(kqueue_queue_control_doc,
-"control(changelist, max_events[, timeout=None]) -> eventlist\n\
-\n\
-Calls the kernel kevent function.\n\
-- changelist must be a list of kevent objects describing the changes\n\
- to be made to the kernel's watch list or None.\n\
-- max_events lets you specify the maximum number of events that the\n\
- kernel will return.\n\
-- timeout is the maximum time to wait in seconds, or else None,\n\
- to wait forever. timeout accepts floats for smaller timeouts, too.");
-
-
-static PyMethodDef kqueue_queue_methods[] = {
- {"fromfd", (PyCFunction)kqueue_queue_fromfd,
- METH_VARARGS | METH_CLASS, kqueue_queue_fromfd_doc},
- {"close", (PyCFunction)kqueue_queue_close, METH_NOARGS,
- kqueue_queue_close_doc},
- {"fileno", (PyCFunction)kqueue_queue_fileno, METH_NOARGS,
- kqueue_queue_fileno_doc},
- {"control", (PyCFunction)kqueue_queue_control,
- METH_VARARGS , kqueue_queue_control_doc},
- {NULL, NULL},
-};
-
-static PyGetSetDef kqueue_queue_getsetlist[] = {
- {"closed", (getter)kqueue_queue_get_closed, NULL,
- "True if the kqueue handler is closed"},
- {0},
-};
-
-PyDoc_STRVAR(kqueue_queue_doc,
-"Kqueue syscall wrapper.\n\
-\n\
-For example, to start watching a socket for input:\n\
->>> kq = kqueue()\n\
->>> sock = socket()\n\
->>> sock.connect((host, port))\n\
->>> kq.control([kevent(sock, KQ_FILTER_WRITE, KQ_EV_ADD)], 0)\n\
-\n\
-To wait one second for it to become writeable:\n\
->>> kq.control(None, 1, 1000)\n\
-\n\
-To stop listening:\n\
->>> kq.control([kevent(sock, KQ_FILTER_WRITE, KQ_EV_DELETE)], 0)");
-
-static PyTypeObject kqueue_queue_Type = {
- PyVarObject_HEAD_INIT(NULL, 0)
- "select.kqueue", /* tp_name */
- sizeof(kqueue_queue_Object), /* tp_basicsize */
- 0, /* tp_itemsize */
- (destructor)kqueue_queue_dealloc, /* tp_dealloc */
- 0, /* 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 */
- Py_TPFLAGS_DEFAULT, /* tp_flags */
- kqueue_queue_doc, /* tp_doc */
- 0, /* tp_traverse */
- 0, /* tp_clear */
- 0, /* tp_richcompare */
- 0, /* tp_weaklistoffset */
- 0, /* tp_iter */
- 0, /* tp_iternext */
- kqueue_queue_methods, /* tp_methods */
- 0, /* tp_members */
- kqueue_queue_getsetlist, /* 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 */
- kqueue_queue_new, /* tp_new */
- 0, /* tp_free */
-};
-
-#endif /* HAVE_KQUEUE */
-/* ************************************************************************ */
-
-PyDoc_STRVAR(select_doc,
-"select(rlist, wlist, xlist[, timeout]) -> (rlist, wlist, xlist)\n\
-\n\
-Wait until one or more file descriptors are ready for some kind of I/O.\n\
-The first three arguments are sequences of file descriptors to be waited for:\n\
-rlist -- wait until ready for reading\n\
-wlist -- wait until ready for writing\n\
-xlist -- wait for an ``exceptional condition''\n\
-If only one kind of condition is required, pass [] for the other lists.\n\
-A file descriptor is either a socket or file object, or a small integer\n\
-gotten from a fileno() method call on one of those.\n\
-\n\
-The optional 4th argument specifies a timeout in seconds; it may be\n\
-a floating point number to specify fractions of seconds. If it is absent\n\
-or None, the call will never time out.\n\
-\n\
-The return value is a tuple of three lists corresponding to the first three\n\
-arguments; each contains the subset of the corresponding file descriptors\n\
-that are ready.\n\
-\n\
-*** IMPORTANT NOTICE ***\n\
-On Windows and OpenVMS, only sockets are supported; on Unix, all file\n\
-descriptors can be used.");
-
-static PyMethodDef select_methods[] = {
- {"select", select_select, METH_VARARGS, select_doc},
-#if defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)
- {"poll", select_poll, METH_NOARGS, poll_doc},
-#endif /* HAVE_POLL */
- {0, 0}, /* sentinel */
-};
-
-PyDoc_STRVAR(module_doc,
-"This module supports asynchronous I/O on multiple file descriptors.\n\
-\n\
-*** IMPORTANT NOTICE ***\n\
-On Windows and OpenVMS, only sockets are supported; on Unix, all file descriptors.");
-
-PyMODINIT_FUNC
-initselect(void)
-{
- PyObject *m;
- m = Py_InitModule3("select", select_methods, module_doc);
- if (m == NULL)
- return;
-
- SelectError = PyErr_NewException("select.error", NULL, NULL);
- Py_INCREF(SelectError);
- PyModule_AddObject(m, "error", SelectError);
-
-#ifdef PIPE_BUF
-#ifdef HAVE_BROKEN_PIPE_BUF
-#undef PIPE_BUF
-#define PIPE_BUF 512
-#endif
- PyModule_AddIntConstant(m, "PIPE_BUF", PIPE_BUF);
-#endif
-
-#if defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)
-#ifdef __APPLE__
- if (select_have_broken_poll()) {
- if (PyObject_DelAttrString(m, "poll") == -1) {
- PyErr_Clear();
- }
- } else {
-#else
- {
-#endif
- Py_TYPE(&poll_Type) = &PyType_Type;
- PyModule_AddIntConstant(m, "POLLIN", POLLIN);
- PyModule_AddIntConstant(m, "POLLPRI", POLLPRI);
- PyModule_AddIntConstant(m, "POLLOUT", POLLOUT);
- PyModule_AddIntConstant(m, "POLLERR", POLLERR);
- PyModule_AddIntConstant(m, "POLLHUP", POLLHUP);
- PyModule_AddIntConstant(m, "POLLNVAL", POLLNVAL);
-
-#ifdef POLLRDNORM
- PyModule_AddIntConstant(m, "POLLRDNORM", POLLRDNORM);
-#endif
-#ifdef POLLRDBAND
- PyModule_AddIntConstant(m, "POLLRDBAND", POLLRDBAND);
-#endif
-#ifdef POLLWRNORM
- PyModule_AddIntConstant(m, "POLLWRNORM", POLLWRNORM);
-#endif
-#ifdef POLLWRBAND
- PyModule_AddIntConstant(m, "POLLWRBAND", POLLWRBAND);
-#endif
-#ifdef POLLMSG
- PyModule_AddIntConstant(m, "POLLMSG", POLLMSG);
-#endif
- }
-#endif /* HAVE_POLL */
-
-#ifdef HAVE_EPOLL
- Py_TYPE(&pyEpoll_Type) = &PyType_Type;
- if (PyType_Ready(&pyEpoll_Type) < 0)
- return;
-
- Py_INCREF(&pyEpoll_Type);
- PyModule_AddObject(m, "epoll", (PyObject *) &pyEpoll_Type);
-
- PyModule_AddIntConstant(m, "EPOLLIN", EPOLLIN);
- PyModule_AddIntConstant(m, "EPOLLOUT", EPOLLOUT);
- PyModule_AddIntConstant(m, "EPOLLPRI", EPOLLPRI);
- PyModule_AddIntConstant(m, "EPOLLERR", EPOLLERR);
- PyModule_AddIntConstant(m, "EPOLLHUP", EPOLLHUP);
- PyModule_AddIntConstant(m, "EPOLLET", EPOLLET);
-#ifdef EPOLLONESHOT
- /* Kernel 2.6.2+ */
- PyModule_AddIntConstant(m, "EPOLLONESHOT", EPOLLONESHOT);
-#endif
- /* PyModule_AddIntConstant(m, "EPOLL_RDHUP", EPOLLRDHUP); */
- PyModule_AddIntConstant(m, "EPOLLRDNORM", EPOLLRDNORM);
- PyModule_AddIntConstant(m, "EPOLLRDBAND", EPOLLRDBAND);
- PyModule_AddIntConstant(m, "EPOLLWRNORM", EPOLLWRNORM);
- PyModule_AddIntConstant(m, "EPOLLWRBAND", EPOLLWRBAND);
- PyModule_AddIntConstant(m, "EPOLLMSG", EPOLLMSG);
-#endif /* HAVE_EPOLL */
-
-#ifdef HAVE_KQUEUE
- kqueue_event_Type.tp_new = PyType_GenericNew;
- Py_TYPE(&kqueue_event_Type) = &PyType_Type;
- if(PyType_Ready(&kqueue_event_Type) < 0)
- return;
-
- Py_INCREF(&kqueue_event_Type);
- PyModule_AddObject(m, "kevent", (PyObject *)&kqueue_event_Type);
-
- Py_TYPE(&kqueue_queue_Type) = &PyType_Type;
- if(PyType_Ready(&kqueue_queue_Type) < 0)
- return;
- Py_INCREF(&kqueue_queue_Type);
- PyModule_AddObject(m, "kqueue", (PyObject *)&kqueue_queue_Type);
-
- /* event filters */
- PyModule_AddIntConstant(m, "KQ_FILTER_READ", EVFILT_READ);
- PyModule_AddIntConstant(m, "KQ_FILTER_WRITE", EVFILT_WRITE);
- PyModule_AddIntConstant(m, "KQ_FILTER_AIO", EVFILT_AIO);
- PyModule_AddIntConstant(m, "KQ_FILTER_VNODE", EVFILT_VNODE);
- PyModule_AddIntConstant(m, "KQ_FILTER_PROC", EVFILT_PROC);
-#ifdef EVFILT_NETDEV
- PyModule_AddIntConstant(m, "KQ_FILTER_NETDEV", EVFILT_NETDEV);
-#endif
- PyModule_AddIntConstant(m, "KQ_FILTER_SIGNAL", EVFILT_SIGNAL);
- PyModule_AddIntConstant(m, "KQ_FILTER_TIMER", EVFILT_TIMER);
-
- /* event flags */
- PyModule_AddIntConstant(m, "KQ_EV_ADD", EV_ADD);
- PyModule_AddIntConstant(m, "KQ_EV_DELETE", EV_DELETE);
- PyModule_AddIntConstant(m, "KQ_EV_ENABLE", EV_ENABLE);
- PyModule_AddIntConstant(m, "KQ_EV_DISABLE", EV_DISABLE);
- PyModule_AddIntConstant(m, "KQ_EV_ONESHOT", EV_ONESHOT);
- PyModule_AddIntConstant(m, "KQ_EV_CLEAR", EV_CLEAR);
-
- PyModule_AddIntConstant(m, "KQ_EV_SYSFLAGS", EV_SYSFLAGS);
- PyModule_AddIntConstant(m, "KQ_EV_FLAG1", EV_FLAG1);
-
- PyModule_AddIntConstant(m, "KQ_EV_EOF", EV_EOF);
- PyModule_AddIntConstant(m, "KQ_EV_ERROR", EV_ERROR);
-
- /* READ WRITE filter flag */
- PyModule_AddIntConstant(m, "KQ_NOTE_LOWAT", NOTE_LOWAT);
-
- /* VNODE filter flags */
- PyModule_AddIntConstant(m, "KQ_NOTE_DELETE", NOTE_DELETE);
- PyModule_AddIntConstant(m, "KQ_NOTE_WRITE", NOTE_WRITE);
- PyModule_AddIntConstant(m, "KQ_NOTE_EXTEND", NOTE_EXTEND);
- PyModule_AddIntConstant(m, "KQ_NOTE_ATTRIB", NOTE_ATTRIB);
- PyModule_AddIntConstant(m, "KQ_NOTE_LINK", NOTE_LINK);
- PyModule_AddIntConstant(m, "KQ_NOTE_RENAME", NOTE_RENAME);
- PyModule_AddIntConstant(m, "KQ_NOTE_REVOKE", NOTE_REVOKE);
-
- /* PROC filter flags */
- PyModule_AddIntConstant(m, "KQ_NOTE_EXIT", NOTE_EXIT);
- PyModule_AddIntConstant(m, "KQ_NOTE_FORK", NOTE_FORK);
- PyModule_AddIntConstant(m, "KQ_NOTE_EXEC", NOTE_EXEC);
- PyModule_AddIntConstant(m, "KQ_NOTE_PCTRLMASK", NOTE_PCTRLMASK);
- PyModule_AddIntConstant(m, "KQ_NOTE_PDATAMASK", NOTE_PDATAMASK);
-
- PyModule_AddIntConstant(m, "KQ_NOTE_TRACK", NOTE_TRACK);
- PyModule_AddIntConstant(m, "KQ_NOTE_CHILD", NOTE_CHILD);
- PyModule_AddIntConstant(m, "KQ_NOTE_TRACKERR", NOTE_TRACKERR);
-
- /* NETDEV filter flags */
-#ifdef EVFILT_NETDEV
- PyModule_AddIntConstant(m, "KQ_NOTE_LINKUP", NOTE_LINKUP);
- PyModule_AddIntConstant(m, "KQ_NOTE_LINKDOWN", NOTE_LINKDOWN);
- PyModule_AddIntConstant(m, "KQ_NOTE_LINKINV", NOTE_LINKINV);
-#endif
-
-#endif /* HAVE_KQUEUE */
-}