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Unified Diff: third_party/twisted_8_1/twisted/python/_epoll.pyx

Issue 12261012: Remove third_party/twisted_8_1 (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/tools/build
Patch Set: Created 7 years, 10 months ago
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Index: third_party/twisted_8_1/twisted/python/_epoll.pyx
diff --git a/third_party/twisted_8_1/twisted/python/_epoll.pyx b/third_party/twisted_8_1/twisted/python/_epoll.pyx
deleted file mode 100644
index 3a3b1cecac5d519ebdcd1c9d5b609538fa268f33..0000000000000000000000000000000000000000
--- a/third_party/twisted_8_1/twisted/python/_epoll.pyx
+++ /dev/null
@@ -1,181 +0,0 @@
-# Copyright (c) 2001-2006 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:
- EPOLLIN = 0x001
- EPOLLPRI = 0x002
- EPOLLOUT = 0x004
- EPOLLRDNORM = 0x040
- EPOLLRDBAND = 0x080
- EPOLLWRNORM = 0x100
- EPOLLWRBAND = 0x200
- EPOLLMSG = 0x400
- EPOLLERR = 0x008
- EPOLLHUP = 0x010
- 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 class epoll:
- """
- Represent a set of file descriptors being monitored for events.
- """
-
- cdef int fd
- cdef int initialized
-
- def __init__(self, int size):
- 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 _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 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 int fd
- cdef PyThreadState *_save
-
- nbytes = sizeof(epoll_event) * maxevents
- events = <epoll_event*>malloc(nbytes)
- memset(events, 0, nbytes)
- try:
- fd = self.fd
-
- _save = PyEval_SaveThread()
- result = epoll_wait(fd, events, maxevents, timeout)
- 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)
-
-CTL_ADD = EPOLL_CTL_ADD
-CTL_DEL = EPOLL_CTL_DEL
-CTL_MOD = EPOLL_CTL_MOD
-
-IN = EPOLLIN
-OUT = EPOLLOUT
-PRI = EPOLLPRI
-ERR = EPOLLERR
-HUP = EPOLLHUP
-ET = EPOLLET
-
-RDNORM = EPOLLRDNORM
-RDBAND = EPOLLRDBAND
-WRNORM = EPOLLWRNORM
-WRBAND = EPOLLWRBAND
-MSG = EPOLLMSG
-
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