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selectmodule.c.h
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1314 lines (1071 loc) · 36.7 KB
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/*[clinic input]
preserve
[clinic start generated code]*/
#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
# include "pycore_gc.h" // PyGC_Head
# include "pycore_runtime.h" // _Py_ID()
#endif
#include "pycore_fileutils.h" // _PyLong_FileDescriptor_Converter()
#include "pycore_long.h" // _PyLong_UnsignedShort_Converter()
#include "pycore_modsupport.h" // _PyArg_CheckPositional()
PyDoc_STRVAR(select_select__doc__,
"select($module, rlist, wlist, xlist, timeout=None, /)\n"
"--\n"
"\n"
"Wait until one or more file descriptors are ready for some kind of I/O.\n"
"\n"
"The first three arguments are iterables of file descriptors to be waited for:\n"
"rlist -- wait until ready for reading\n"
"wlist -- wait until ready for writing\n"
"xlist -- wait for an \"exceptional condition\"\n"
"If only one kind of condition is required, pass [] for the other lists.\n"
"\n"
"A file descriptor is either a socket or file object, or a small integer\n"
"gotten from a fileno() method call on one of those.\n"
"\n"
"The optional 4th argument specifies a timeout in seconds; it may be\n"
"a floating point number to specify fractions of seconds. If it is absent\n"
"or None, the call will never time out.\n"
"\n"
"The return value is a tuple of three lists corresponding to the first three\n"
"arguments; each contains the subset of the corresponding file descriptors\n"
"that are ready.\n"
"\n"
"*** IMPORTANT NOTICE ***\n"
"On Windows, only sockets are supported; on Unix, all file\n"
"descriptors can be used.");
#define SELECT_SELECT_METHODDEF \
{"select", _PyCFunction_CAST(select_select), METH_FASTCALL, select_select__doc__},
static PyObject *
select_select_impl(PyObject *module, PyObject *rlist, PyObject *wlist,
PyObject *xlist, PyObject *timeout_obj);
static PyObject *
select_select(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *return_value = NULL;
PyObject *rlist;
PyObject *wlist;
PyObject *xlist;
PyObject *timeout_obj = Py_None;
if (!_PyArg_CheckPositional("select", nargs, 3, 4)) {
goto exit;
}
rlist = args[0];
wlist = args[1];
xlist = args[2];
if (nargs < 4) {
goto skip_optional;
}
timeout_obj = args[3];
skip_optional:
return_value = select_select_impl(module, rlist, wlist, xlist, timeout_obj);
exit:
return return_value;
}
#if (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL))
PyDoc_STRVAR(select_poll_register__doc__,
"register($self, fd,\n"
" eventmask=select.POLLIN | select.POLLPRI | select.POLLOUT, /)\n"
"--\n"
"\n"
"Register a file descriptor with the polling object.\n"
"\n"
" fd\n"
" either an integer, or an object with a fileno() method returning an int\n"
" eventmask\n"
" an optional bitmask describing the type of events to check for");
#define SELECT_POLL_REGISTER_METHODDEF \
{"register", _PyCFunction_CAST(select_poll_register), METH_FASTCALL, select_poll_register__doc__},
static PyObject *
select_poll_register_impl(pollObject *self, int fd, unsigned short eventmask);
static PyObject *
select_poll_register(pollObject *self, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *return_value = NULL;
int fd;
unsigned short eventmask = POLLIN | POLLPRI | POLLOUT;
if (!_PyArg_CheckPositional("register", nargs, 1, 2)) {
goto exit;
}
if (!_PyLong_FileDescriptor_Converter(args[0], &fd)) {
goto exit;
}
if (nargs < 2) {
goto skip_optional;
}
if (!_PyLong_UnsignedShort_Converter(args[1], &eventmask)) {
goto exit;
}
skip_optional:
return_value = select_poll_register_impl(self, fd, eventmask);
exit:
return return_value;
}
#endif /* (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)) */
#if (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL))
PyDoc_STRVAR(select_poll_modify__doc__,
"modify($self, fd, eventmask, /)\n"
"--\n"
"\n"
"Modify an already registered file descriptor.\n"
"\n"
" fd\n"
" either an integer, or an object with a fileno() method returning\n"
" an int\n"
" eventmask\n"
" a bitmask describing the type of events to check for");
#define SELECT_POLL_MODIFY_METHODDEF \
{"modify", _PyCFunction_CAST(select_poll_modify), METH_FASTCALL, select_poll_modify__doc__},
static PyObject *
select_poll_modify_impl(pollObject *self, int fd, unsigned short eventmask);
static PyObject *
select_poll_modify(pollObject *self, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *return_value = NULL;
int fd;
unsigned short eventmask;
if (!_PyArg_CheckPositional("modify", nargs, 2, 2)) {
goto exit;
}
if (!_PyLong_FileDescriptor_Converter(args[0], &fd)) {
goto exit;
}
if (!_PyLong_UnsignedShort_Converter(args[1], &eventmask)) {
goto exit;
}
return_value = select_poll_modify_impl(self, fd, eventmask);
exit:
return return_value;
}
#endif /* (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)) */
#if (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL))
PyDoc_STRVAR(select_poll_unregister__doc__,
"unregister($self, fd, /)\n"
"--\n"
"\n"
"Remove a file descriptor being tracked by the polling object.");
#define SELECT_POLL_UNREGISTER_METHODDEF \
{"unregister", (PyCFunction)select_poll_unregister, METH_O, select_poll_unregister__doc__},
static PyObject *
select_poll_unregister_impl(pollObject *self, int fd);
static PyObject *
select_poll_unregister(pollObject *self, PyObject *arg)
{
PyObject *return_value = NULL;
int fd;
if (!_PyLong_FileDescriptor_Converter(arg, &fd)) {
goto exit;
}
return_value = select_poll_unregister_impl(self, fd);
exit:
return return_value;
}
#endif /* (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)) */
#if (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL))
PyDoc_STRVAR(select_poll_poll__doc__,
"poll($self, timeout=None, /)\n"
"--\n"
"\n"
"Polls the set of registered file descriptors.\n"
"\n"
" timeout\n"
" The maximum time to wait in milliseconds, or else None (or a negative\n"
" value) to wait indefinitely.\n"
"\n"
"Returns a list containing any descriptors that have events or errors to\n"
"report, as a list of (fd, event) 2-tuples.");
#define SELECT_POLL_POLL_METHODDEF \
{"poll", _PyCFunction_CAST(select_poll_poll), METH_FASTCALL, select_poll_poll__doc__},
static PyObject *
select_poll_poll_impl(pollObject *self, PyObject *timeout_obj);
static PyObject *
select_poll_poll(pollObject *self, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *return_value = NULL;
PyObject *timeout_obj = Py_None;
if (!_PyArg_CheckPositional("poll", nargs, 0, 1)) {
goto exit;
}
if (nargs < 1) {
goto skip_optional;
}
timeout_obj = args[0];
skip_optional:
return_value = select_poll_poll_impl(self, timeout_obj);
exit:
return return_value;
}
#endif /* (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)) */
#if (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)) && defined(HAVE_SYS_DEVPOLL_H)
PyDoc_STRVAR(select_devpoll_register__doc__,
"register($self, fd,\n"
" eventmask=select.POLLIN | select.POLLPRI | select.POLLOUT, /)\n"
"--\n"
"\n"
"Register a file descriptor with the polling object.\n"
"\n"
" fd\n"
" either an integer, or an object with a fileno() method returning\n"
" an int\n"
" eventmask\n"
" an optional bitmask describing the type of events to check for");
#define SELECT_DEVPOLL_REGISTER_METHODDEF \
{"register", _PyCFunction_CAST(select_devpoll_register), METH_FASTCALL, select_devpoll_register__doc__},
static PyObject *
select_devpoll_register_impl(devpollObject *self, int fd,
unsigned short eventmask);
static PyObject *
select_devpoll_register(devpollObject *self, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *return_value = NULL;
int fd;
unsigned short eventmask = POLLIN | POLLPRI | POLLOUT;
if (!_PyArg_CheckPositional("register", nargs, 1, 2)) {
goto exit;
}
if (!_PyLong_FileDescriptor_Converter(args[0], &fd)) {
goto exit;
}
if (nargs < 2) {
goto skip_optional;
}
if (!_PyLong_UnsignedShort_Converter(args[1], &eventmask)) {
goto exit;
}
skip_optional:
return_value = select_devpoll_register_impl(self, fd, eventmask);
exit:
return return_value;
}
#endif /* (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)) && defined(HAVE_SYS_DEVPOLL_H) */
#if (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)) && defined(HAVE_SYS_DEVPOLL_H)
PyDoc_STRVAR(select_devpoll_modify__doc__,
"modify($self, fd,\n"
" eventmask=select.POLLIN | select.POLLPRI | select.POLLOUT, /)\n"
"--\n"
"\n"
"Modify a possible already registered file descriptor.\n"
"\n"
" fd\n"
" either an integer, or an object with a fileno() method returning\n"
" an int\n"
" eventmask\n"
" an optional bitmask describing the type of events to check for");
#define SELECT_DEVPOLL_MODIFY_METHODDEF \
{"modify", _PyCFunction_CAST(select_devpoll_modify), METH_FASTCALL, select_devpoll_modify__doc__},
static PyObject *
select_devpoll_modify_impl(devpollObject *self, int fd,
unsigned short eventmask);
static PyObject *
select_devpoll_modify(devpollObject *self, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *return_value = NULL;
int fd;
unsigned short eventmask = POLLIN | POLLPRI | POLLOUT;
if (!_PyArg_CheckPositional("modify", nargs, 1, 2)) {
goto exit;
}
if (!_PyLong_FileDescriptor_Converter(args[0], &fd)) {
goto exit;
}
if (nargs < 2) {
goto skip_optional;
}
if (!_PyLong_UnsignedShort_Converter(args[1], &eventmask)) {
goto exit;
}
skip_optional:
return_value = select_devpoll_modify_impl(self, fd, eventmask);
exit:
return return_value;
}
#endif /* (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)) && defined(HAVE_SYS_DEVPOLL_H) */
#if (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)) && defined(HAVE_SYS_DEVPOLL_H)
PyDoc_STRVAR(select_devpoll_unregister__doc__,
"unregister($self, fd, /)\n"
"--\n"
"\n"
"Remove a file descriptor being tracked by the polling object.");
#define SELECT_DEVPOLL_UNREGISTER_METHODDEF \
{"unregister", (PyCFunction)select_devpoll_unregister, METH_O, select_devpoll_unregister__doc__},
static PyObject *
select_devpoll_unregister_impl(devpollObject *self, int fd);
static PyObject *
select_devpoll_unregister(devpollObject *self, PyObject *arg)
{
PyObject *return_value = NULL;
int fd;
if (!_PyLong_FileDescriptor_Converter(arg, &fd)) {
goto exit;
}
return_value = select_devpoll_unregister_impl(self, fd);
exit:
return return_value;
}
#endif /* (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)) && defined(HAVE_SYS_DEVPOLL_H) */
#if (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)) && defined(HAVE_SYS_DEVPOLL_H)
PyDoc_STRVAR(select_devpoll_poll__doc__,
"poll($self, timeout=None, /)\n"
"--\n"
"\n"
"Polls the set of registered file descriptors.\n"
"\n"
" timeout\n"
" The maximum time to wait in milliseconds, or else None (or a negative\n"
" value) to wait indefinitely.\n"
"\n"
"Returns a list containing any descriptors that have events or errors to\n"
"report, as a list of (fd, event) 2-tuples.");
#define SELECT_DEVPOLL_POLL_METHODDEF \
{"poll", _PyCFunction_CAST(select_devpoll_poll), METH_FASTCALL, select_devpoll_poll__doc__},
static PyObject *
select_devpoll_poll_impl(devpollObject *self, PyObject *timeout_obj);
static PyObject *
select_devpoll_poll(devpollObject *self, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *return_value = NULL;
PyObject *timeout_obj = Py_None;
if (!_PyArg_CheckPositional("poll", nargs, 0, 1)) {
goto exit;
}
if (nargs < 1) {
goto skip_optional;
}
timeout_obj = args[0];
skip_optional:
return_value = select_devpoll_poll_impl(self, timeout_obj);
exit:
return return_value;
}
#endif /* (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)) && defined(HAVE_SYS_DEVPOLL_H) */
#if (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)) && defined(HAVE_SYS_DEVPOLL_H)
PyDoc_STRVAR(select_devpoll_close__doc__,
"close($self, /)\n"
"--\n"
"\n"
"Close the devpoll file descriptor.\n"
"\n"
"Further operations on the devpoll object will raise an exception.");
#define SELECT_DEVPOLL_CLOSE_METHODDEF \
{"close", (PyCFunction)select_devpoll_close, METH_NOARGS, select_devpoll_close__doc__},
static PyObject *
select_devpoll_close_impl(devpollObject *self);
static PyObject *
select_devpoll_close(devpollObject *self, PyObject *Py_UNUSED(ignored))
{
return select_devpoll_close_impl(self);
}
#endif /* (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)) && defined(HAVE_SYS_DEVPOLL_H) */
#if (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)) && defined(HAVE_SYS_DEVPOLL_H)
PyDoc_STRVAR(select_devpoll_fileno__doc__,
"fileno($self, /)\n"
"--\n"
"\n"
"Return the file descriptor.");
#define SELECT_DEVPOLL_FILENO_METHODDEF \
{"fileno", (PyCFunction)select_devpoll_fileno, METH_NOARGS, select_devpoll_fileno__doc__},
static PyObject *
select_devpoll_fileno_impl(devpollObject *self);
static PyObject *
select_devpoll_fileno(devpollObject *self, PyObject *Py_UNUSED(ignored))
{
return select_devpoll_fileno_impl(self);
}
#endif /* (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)) && defined(HAVE_SYS_DEVPOLL_H) */
#if (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL))
PyDoc_STRVAR(select_poll__doc__,
"poll($module, /)\n"
"--\n"
"\n"
"Returns a polling object.\n"
"\n"
"This object supports registering and unregistering file descriptors, and then\n"
"polling them for I/O events.");
#define SELECT_POLL_METHODDEF \
{"poll", (PyCFunction)select_poll, METH_NOARGS, select_poll__doc__},
static PyObject *
select_poll_impl(PyObject *module);
static PyObject *
select_poll(PyObject *module, PyObject *Py_UNUSED(ignored))
{
return select_poll_impl(module);
}
#endif /* (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)) */
#if (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)) && defined(HAVE_SYS_DEVPOLL_H)
PyDoc_STRVAR(select_devpoll__doc__,
"devpoll($module, /)\n"
"--\n"
"\n"
"Returns a polling object.\n"
"\n"
"This object supports registering and unregistering file descriptors, and then\n"
"polling them for I/O events.");
#define SELECT_DEVPOLL_METHODDEF \
{"devpoll", (PyCFunction)select_devpoll, METH_NOARGS, select_devpoll__doc__},
static PyObject *
select_devpoll_impl(PyObject *module);
static PyObject *
select_devpoll(PyObject *module, PyObject *Py_UNUSED(ignored))
{
return select_devpoll_impl(module);
}
#endif /* (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)) && defined(HAVE_SYS_DEVPOLL_H) */
#if defined(HAVE_EPOLL)
PyDoc_STRVAR(select_epoll__doc__,
"epoll(sizehint=-1, flags=0)\n"
"--\n"
"\n"
"Returns an epolling object.\n"
"\n"
" sizehint\n"
" The expected number of events to be registered. It must be positive,\n"
" or -1 to use the default. It is only used on older systems where\n"
" epoll_create1() is not available; otherwise it has no effect (though its\n"
" value is still checked).\n"
" flags\n"
" Deprecated and completely ignored. However, when supplied, its value\n"
" must be 0 or select.EPOLL_CLOEXEC, otherwise OSError is raised.");
static PyObject *
select_epoll_impl(PyTypeObject *type, int sizehint, int flags);
static PyObject *
select_epoll(PyTypeObject *type, PyObject *args, PyObject *kwargs)
{
PyObject *return_value = NULL;
#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
#define NUM_KEYWORDS 2
static struct {
PyGC_Head _this_is_not_used;
PyObject_VAR_HEAD
PyObject *ob_item[NUM_KEYWORDS];
} _kwtuple = {
.ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
.ob_item = { &_Py_ID(sizehint), &_Py_ID(flags), },
};
#undef NUM_KEYWORDS
#define KWTUPLE (&_kwtuple.ob_base.ob_base)
#else // !Py_BUILD_CORE
# define KWTUPLE NULL
#endif // !Py_BUILD_CORE
static const char * const _keywords[] = {"sizehint", "flags", NULL};
static _PyArg_Parser _parser = {
.keywords = _keywords,
.fname = "epoll",
.kwtuple = KWTUPLE,
};
#undef KWTUPLE
PyObject *argsbuf[2];
PyObject * const *fastargs;
Py_ssize_t nargs = PyTuple_GET_SIZE(args);
Py_ssize_t noptargs = nargs + (kwargs ? PyDict_GET_SIZE(kwargs) : 0) - 0;
int sizehint = -1;
int flags = 0;
fastargs = _PyArg_UnpackKeywords(_PyTuple_CAST(args)->ob_item, nargs, kwargs, NULL, &_parser, 0, 2, 0, argsbuf);
if (!fastargs) {
goto exit;
}
if (!noptargs) {
goto skip_optional_pos;
}
if (fastargs[0]) {
sizehint = PyLong_AsInt(fastargs[0]);
if (sizehint == -1 && PyErr_Occurred()) {
goto exit;
}
if (!--noptargs) {
goto skip_optional_pos;
}
}
flags = PyLong_AsInt(fastargs[1]);
if (flags == -1 && PyErr_Occurred()) {
goto exit;
}
skip_optional_pos:
return_value = select_epoll_impl(type, sizehint, flags);
exit:
return return_value;
}
#endif /* defined(HAVE_EPOLL) */
#if defined(HAVE_EPOLL)
PyDoc_STRVAR(select_epoll_close__doc__,
"close($self, /)\n"
"--\n"
"\n"
"Close the epoll control file descriptor.\n"
"\n"
"Further operations on the epoll object will raise an exception.");
#define SELECT_EPOLL_CLOSE_METHODDEF \
{"close", (PyCFunction)select_epoll_close, METH_NOARGS, select_epoll_close__doc__},
static PyObject *
select_epoll_close_impl(pyEpoll_Object *self);
static PyObject *
select_epoll_close(pyEpoll_Object *self, PyObject *Py_UNUSED(ignored))
{
return select_epoll_close_impl(self);
}
#endif /* defined(HAVE_EPOLL) */
#if defined(HAVE_EPOLL)
PyDoc_STRVAR(select_epoll_fileno__doc__,
"fileno($self, /)\n"
"--\n"
"\n"
"Return the epoll control file descriptor.");
#define SELECT_EPOLL_FILENO_METHODDEF \
{"fileno", (PyCFunction)select_epoll_fileno, METH_NOARGS, select_epoll_fileno__doc__},
static PyObject *
select_epoll_fileno_impl(pyEpoll_Object *self);
static PyObject *
select_epoll_fileno(pyEpoll_Object *self, PyObject *Py_UNUSED(ignored))
{
return select_epoll_fileno_impl(self);
}
#endif /* defined(HAVE_EPOLL) */
#if defined(HAVE_EPOLL)
PyDoc_STRVAR(select_epoll_fromfd__doc__,
"fromfd($type, fd, /)\n"
"--\n"
"\n"
"Create an epoll object from a given control fd.");
#define SELECT_EPOLL_FROMFD_METHODDEF \
{"fromfd", (PyCFunction)select_epoll_fromfd, METH_O|METH_CLASS, select_epoll_fromfd__doc__},
static PyObject *
select_epoll_fromfd_impl(PyTypeObject *type, int fd);
static PyObject *
select_epoll_fromfd(PyTypeObject *type, PyObject *arg)
{
PyObject *return_value = NULL;
int fd;
fd = PyLong_AsInt(arg);
if (fd == -1 && PyErr_Occurred()) {
goto exit;
}
return_value = select_epoll_fromfd_impl(type, fd);
exit:
return return_value;
}
#endif /* defined(HAVE_EPOLL) */
#if defined(HAVE_EPOLL)
PyDoc_STRVAR(select_epoll_register__doc__,
"register($self, /, fd,\n"
" eventmask=select.EPOLLIN | select.EPOLLPRI | select.EPOLLOUT)\n"
"--\n"
"\n"
"Registers a new fd or raises an OSError if the fd is already registered.\n"
"\n"
" fd\n"
" the target file descriptor of the operation\n"
" eventmask\n"
" a bit set composed of the various EPOLL constants\n"
"\n"
"The epoll interface supports all file descriptors that support poll.");
#define SELECT_EPOLL_REGISTER_METHODDEF \
{"register", _PyCFunction_CAST(select_epoll_register), METH_FASTCALL|METH_KEYWORDS, select_epoll_register__doc__},
static PyObject *
select_epoll_register_impl(pyEpoll_Object *self, int fd,
unsigned int eventmask);
static PyObject *
select_epoll_register(pyEpoll_Object *self, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
{
PyObject *return_value = NULL;
#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
#define NUM_KEYWORDS 2
static struct {
PyGC_Head _this_is_not_used;
PyObject_VAR_HEAD
PyObject *ob_item[NUM_KEYWORDS];
} _kwtuple = {
.ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
.ob_item = { &_Py_ID(fd), &_Py_ID(eventmask), },
};
#undef NUM_KEYWORDS
#define KWTUPLE (&_kwtuple.ob_base.ob_base)
#else // !Py_BUILD_CORE
# define KWTUPLE NULL
#endif // !Py_BUILD_CORE
static const char * const _keywords[] = {"fd", "eventmask", NULL};
static _PyArg_Parser _parser = {
.keywords = _keywords,
.fname = "register",
.kwtuple = KWTUPLE,
};
#undef KWTUPLE
PyObject *argsbuf[2];
Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 1;
int fd;
unsigned int eventmask = EPOLLIN | EPOLLPRI | EPOLLOUT;
args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 1, 2, 0, argsbuf);
if (!args) {
goto exit;
}
if (!_PyLong_FileDescriptor_Converter(args[0], &fd)) {
goto exit;
}
if (!noptargs) {
goto skip_optional_pos;
}
eventmask = (unsigned int)PyLong_AsUnsignedLongMask(args[1]);
if (eventmask == (unsigned int)-1 && PyErr_Occurred()) {
goto exit;
}
skip_optional_pos:
return_value = select_epoll_register_impl(self, fd, eventmask);
exit:
return return_value;
}
#endif /* defined(HAVE_EPOLL) */
#if defined(HAVE_EPOLL)
PyDoc_STRVAR(select_epoll_modify__doc__,
"modify($self, /, fd, eventmask)\n"
"--\n"
"\n"
"Modify event mask for a registered file descriptor.\n"
"\n"
" fd\n"
" the target file descriptor of the operation\n"
" eventmask\n"
" a bit set composed of the various EPOLL constants");
#define SELECT_EPOLL_MODIFY_METHODDEF \
{"modify", _PyCFunction_CAST(select_epoll_modify), METH_FASTCALL|METH_KEYWORDS, select_epoll_modify__doc__},
static PyObject *
select_epoll_modify_impl(pyEpoll_Object *self, int fd,
unsigned int eventmask);
static PyObject *
select_epoll_modify(pyEpoll_Object *self, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
{
PyObject *return_value = NULL;
#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
#define NUM_KEYWORDS 2
static struct {
PyGC_Head _this_is_not_used;
PyObject_VAR_HEAD
PyObject *ob_item[NUM_KEYWORDS];
} _kwtuple = {
.ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
.ob_item = { &_Py_ID(fd), &_Py_ID(eventmask), },
};
#undef NUM_KEYWORDS
#define KWTUPLE (&_kwtuple.ob_base.ob_base)
#else // !Py_BUILD_CORE
# define KWTUPLE NULL
#endif // !Py_BUILD_CORE
static const char * const _keywords[] = {"fd", "eventmask", NULL};
static _PyArg_Parser _parser = {
.keywords = _keywords,
.fname = "modify",
.kwtuple = KWTUPLE,
};
#undef KWTUPLE
PyObject *argsbuf[2];
int fd;
unsigned int eventmask;
args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 2, 2, 0, argsbuf);
if (!args) {
goto exit;
}
if (!_PyLong_FileDescriptor_Converter(args[0], &fd)) {
goto exit;
}
eventmask = (unsigned int)PyLong_AsUnsignedLongMask(args[1]);
if (eventmask == (unsigned int)-1 && PyErr_Occurred()) {
goto exit;
}
return_value = select_epoll_modify_impl(self, fd, eventmask);
exit:
return return_value;
}
#endif /* defined(HAVE_EPOLL) */
#if defined(HAVE_EPOLL)
PyDoc_STRVAR(select_epoll_unregister__doc__,
"unregister($self, /, fd)\n"
"--\n"
"\n"
"Remove a registered file descriptor from the epoll object.\n"
"\n"
" fd\n"
" the target file descriptor of the operation");
#define SELECT_EPOLL_UNREGISTER_METHODDEF \
{"unregister", _PyCFunction_CAST(select_epoll_unregister), METH_FASTCALL|METH_KEYWORDS, select_epoll_unregister__doc__},
static PyObject *
select_epoll_unregister_impl(pyEpoll_Object *self, int fd);
static PyObject *
select_epoll_unregister(pyEpoll_Object *self, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
{
PyObject *return_value = NULL;
#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
#define NUM_KEYWORDS 1
static struct {
PyGC_Head _this_is_not_used;
PyObject_VAR_HEAD
PyObject *ob_item[NUM_KEYWORDS];
} _kwtuple = {
.ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
.ob_item = { &_Py_ID(fd), },
};
#undef NUM_KEYWORDS
#define KWTUPLE (&_kwtuple.ob_base.ob_base)
#else // !Py_BUILD_CORE
# define KWTUPLE NULL
#endif // !Py_BUILD_CORE
static const char * const _keywords[] = {"fd", NULL};
static _PyArg_Parser _parser = {
.keywords = _keywords,
.fname = "unregister",
.kwtuple = KWTUPLE,
};
#undef KWTUPLE
PyObject *argsbuf[1];
int fd;
args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 1, 1, 0, argsbuf);
if (!args) {
goto exit;
}
if (!_PyLong_FileDescriptor_Converter(args[0], &fd)) {
goto exit;
}
return_value = select_epoll_unregister_impl(self, fd);
exit:
return return_value;
}
#endif /* defined(HAVE_EPOLL) */
#if defined(HAVE_EPOLL)
PyDoc_STRVAR(select_epoll_poll__doc__,
"poll($self, /, timeout=None, maxevents=-1)\n"
"--\n"
"\n"
"Wait for events on the epoll file descriptor.\n"
"\n"
" timeout\n"
" the maximum time to wait in seconds (as float);\n"
" a timeout of None or -1 makes poll wait indefinitely\n"
" maxevents\n"
" the maximum number of events returned; -1 means no limit\n"
"\n"
"Returns a list containing any descriptors that have events to report,\n"
"as a list of (fd, events) 2-tuples.");
#define SELECT_EPOLL_POLL_METHODDEF \
{"poll", _PyCFunction_CAST(select_epoll_poll), METH_FASTCALL|METH_KEYWORDS, select_epoll_poll__doc__},
static PyObject *
select_epoll_poll_impl(pyEpoll_Object *self, PyObject *timeout_obj,
int maxevents);
static PyObject *
select_epoll_poll(pyEpoll_Object *self, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
{
PyObject *return_value = NULL;
#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
#define NUM_KEYWORDS 2
static struct {
PyGC_Head _this_is_not_used;
PyObject_VAR_HEAD
PyObject *ob_item[NUM_KEYWORDS];
} _kwtuple = {
.ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
.ob_item = { &_Py_ID(timeout), &_Py_ID(maxevents), },
};
#undef NUM_KEYWORDS
#define KWTUPLE (&_kwtuple.ob_base.ob_base)
#else // !Py_BUILD_CORE
# define KWTUPLE NULL
#endif // !Py_BUILD_CORE
static const char * const _keywords[] = {"timeout", "maxevents", NULL};
static _PyArg_Parser _parser = {
.keywords = _keywords,
.fname = "poll",
.kwtuple = KWTUPLE,
};
#undef KWTUPLE
PyObject *argsbuf[2];
Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 0;
PyObject *timeout_obj = Py_None;
int maxevents = -1;
args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 0, 2, 0, argsbuf);
if (!args) {
goto exit;
}
if (!noptargs) {
goto skip_optional_pos;
}
if (args[0]) {
timeout_obj = args[0];
if (!--noptargs) {
goto skip_optional_pos;
}
}
maxevents = PyLong_AsInt(args[1]);
if (maxevents == -1 && PyErr_Occurred()) {
goto exit;
}
skip_optional_pos:
return_value = select_epoll_poll_impl(self, timeout_obj, maxevents);
exit:
return return_value;
}
#endif /* defined(HAVE_EPOLL) */
#if defined(HAVE_EPOLL)
PyDoc_STRVAR(select_epoll___enter____doc__,
"__enter__($self, /)\n"
"--\n"
"\n");
#define SELECT_EPOLL___ENTER___METHODDEF \
{"__enter__", (PyCFunction)select_epoll___enter__, METH_NOARGS, select_epoll___enter____doc__},
static PyObject *
select_epoll___enter___impl(pyEpoll_Object *self);
static PyObject *
select_epoll___enter__(pyEpoll_Object *self, PyObject *Py_UNUSED(ignored))
{
return select_epoll___enter___impl(self);
}
#endif /* defined(HAVE_EPOLL) */
#if defined(HAVE_EPOLL)
PyDoc_STRVAR(select_epoll___exit____doc__,
"__exit__($self, exc_type=None, exc_value=None, exc_tb=None, /)\n"
"--\n"
"\n");
#define SELECT_EPOLL___EXIT___METHODDEF \