diff options
Diffstat (limited to 'python/gevent/libuv/_corecffi_build.py')
-rw-r--r-- | python/gevent/libuv/_corecffi_build.py | 253 |
1 files changed, 253 insertions, 0 deletions
diff --git a/python/gevent/libuv/_corecffi_build.py b/python/gevent/libuv/_corecffi_build.py new file mode 100644 index 0000000..722157d --- /dev/null +++ b/python/gevent/libuv/_corecffi_build.py @@ -0,0 +1,253 @@ +# pylint: disable=no-member + +# This module is only used to create and compile the gevent._corecffi module; +# nothing should be directly imported from it except `ffi`, which should only be +# used for `ffi.compile()`; programs should import gevent._corecfffi. +# However, because we are using "out-of-line" mode, it is necessary to examine +# this file to know what functions are created and available on the generated +# module. +from __future__ import absolute_import, print_function +import sys +import os +import os.path # pylint:disable=no-name-in-module +import struct + +__all__ = [] + +WIN = sys.platform.startswith('win32') + +def system_bits(): + return struct.calcsize('P') * 8 + + +def st_nlink_type(): + if sys.platform == "darwin" or sys.platform.startswith("freebsd"): + return "short" + if system_bits() == 32: + return "unsigned long" + return "long long" + + +from cffi import FFI +ffi = FFI() + +thisdir = os.path.dirname(os.path.abspath(__file__)) +def read_source(name): + with open(os.path.join(thisdir, name), 'r') as f: + return f.read() + +_cdef = read_source('_corecffi_cdef.c') +_source = read_source('_corecffi_source.c') + +_cdef = _cdef.replace('#define GEVENT_ST_NLINK_T int', '') +_cdef = _cdef.replace('#define GEVENT_STRUCT_DONE int', '') +_cdef = _cdef.replace('#define GEVENT_UV_OS_SOCK_T int', '') + +_cdef = _cdef.replace('GEVENT_ST_NLINK_T', st_nlink_type()) +_cdef = _cdef.replace("GEVENT_STRUCT_DONE _;", '...;') +# uv_os_sock_t is int on POSIX and SOCKET on Win32, but socket is +# just another name for handle, which is just another name for 'void*' +# which we will treat as an 'unsigned long' or 'unsigned long long' +# since it comes through 'fileno()' where it has been cast as an int. +# See class watcher.io +_void_pointer_as_integer = 'intptr_t' +_cdef = _cdef.replace("GEVENT_UV_OS_SOCK_T", 'int' if not WIN else _void_pointer_as_integer) + + +setup_py_dir = os.path.abspath(os.path.join(thisdir, '..', '..', '..')) +libuv_dir = os.path.abspath(os.path.join(setup_py_dir, 'deps', 'libuv')) + + +LIBUV_INCLUDE_DIRS = [ + thisdir, # libev_vfd.h + os.path.join(libuv_dir, 'include'), + os.path.join(libuv_dir, 'src'), +] + +# Initially based on https://github.com/saghul/pyuv/blob/v1.x/setup_libuv.py + +def _libuv_source(rel_path): + # Certain versions of setuptools, notably on windows, are *very* + # picky about what we feed to sources= "setup() arguments must + # *always* be /-separated paths relative to the setup.py + # directory, *never* absolute paths." POSIX doesn't have that issue. + path = os.path.join('deps', 'libuv', 'src', rel_path) + return path + +LIBUV_SOURCES = [ + _libuv_source('fs-poll.c'), + _libuv_source('inet.c'), + _libuv_source('threadpool.c'), + _libuv_source('uv-common.c'), + _libuv_source('version.c'), + _libuv_source('uv-data-getter-setters.c'), + _libuv_source('timer.c'), +] + +if WIN: + LIBUV_SOURCES += [ + _libuv_source('win/async.c'), + _libuv_source('win/core.c'), + _libuv_source('win/detect-wakeup.c'), + _libuv_source('win/dl.c'), + _libuv_source('win/error.c'), + _libuv_source('win/fs-event.c'), + _libuv_source('win/fs.c'), + # getaddrinfo.c refers to ConvertInterfaceIndexToLuid + # and ConvertInterfaceLuidToNameA, which are supposedly in iphlpapi.h + # and iphlpapi.lib/dll. But on Windows 10 with Python 3.5 and VC 14 (Visual Studio 2015), + # I get an undefined warning from the compiler for those functions and + # a link error from the linker, so this file can't be included. + # This is possibly because the functions are defined for Windows Vista, and + # Python 3.5 builds with at earlier SDK? + # Fortunately we don't use those functions. + #_libuv_source('win/getaddrinfo.c'), + # getnameinfo.c refers to uv__getaddrinfo_translate_error from + # getaddrinfo.c, which we don't have. + #_libuv_source('win/getnameinfo.c'), + _libuv_source('win/handle.c'), + _libuv_source('win/loop-watcher.c'), + _libuv_source('win/pipe.c'), + _libuv_source('win/poll.c'), + _libuv_source('win/process-stdio.c'), + _libuv_source('win/process.c'), + _libuv_source('win/req.c'), + _libuv_source('win/signal.c'), + _libuv_source('win/snprintf.c'), + _libuv_source('win/stream.c'), + _libuv_source('win/tcp.c'), + _libuv_source('win/thread.c'), + _libuv_source('win/tty.c'), + _libuv_source('win/udp.c'), + _libuv_source('win/util.c'), + _libuv_source('win/winapi.c'), + _libuv_source('win/winsock.c'), + ] +else: + LIBUV_SOURCES += [ + _libuv_source('unix/async.c'), + _libuv_source('unix/core.c'), + _libuv_source('unix/dl.c'), + _libuv_source('unix/fs.c'), + _libuv_source('unix/getaddrinfo.c'), + _libuv_source('unix/getnameinfo.c'), + _libuv_source('unix/loop-watcher.c'), + _libuv_source('unix/loop.c'), + _libuv_source('unix/pipe.c'), + _libuv_source('unix/poll.c'), + _libuv_source('unix/process.c'), + _libuv_source('unix/signal.c'), + _libuv_source('unix/stream.c'), + _libuv_source('unix/tcp.c'), + _libuv_source('unix/thread.c'), + _libuv_source('unix/tty.c'), + _libuv_source('unix/udp.c'), + ] + + +if sys.platform.startswith('linux'): + LIBUV_SOURCES += [ + _libuv_source('unix/linux-core.c'), + _libuv_source('unix/linux-inotify.c'), + _libuv_source('unix/linux-syscalls.c'), + _libuv_source('unix/procfs-exepath.c'), + _libuv_source('unix/proctitle.c'), + _libuv_source('unix/sysinfo-loadavg.c'), + _libuv_source('unix/sysinfo-memory.c'), + ] +elif sys.platform == 'darwin': + LIBUV_SOURCES += [ + _libuv_source('unix/bsd-ifaddrs.c'), + _libuv_source('unix/darwin.c'), + _libuv_source('unix/darwin-proctitle.c'), + _libuv_source('unix/fsevents.c'), + _libuv_source('unix/kqueue.c'), + _libuv_source('unix/proctitle.c'), + ] +elif sys.platform.startswith(('freebsd', 'dragonfly')): + LIBUV_SOURCES += [ + _libuv_source('unix/bsd-ifaddrs.c'), + _libuv_source('unix/freebsd.c'), + _libuv_source('unix/kqueue.c'), + _libuv_source('unix/posix-hrtime.c'), + ] +elif sys.platform.startswith('openbsd'): + LIBUV_SOURCES += [ + _libuv_source('unix/bsd-ifaddrs.c'), + _libuv_source('unix/kqueue.c'), + _libuv_source('unix/openbsd.c'), + _libuv_source('unix/posix-hrtime.c'), + ] +elif sys.platform.startswith('netbsd'): + LIBUV_SOURCES += [ + _libuv_source('unix/bsd-ifaddrs.c'), + _libuv_source('unix/kqueue.c'), + _libuv_source('unix/netbsd.c'), + _libuv_source('unix/posix-hrtime.c'), + ] + +elif sys.platform.startswith('sunos'): + LIBUV_SOURCES += [ + _libuv_source('unix/no-proctitle.c'), + _libuv_source('unix/sunos.c'), + ] + + +LIBUV_MACROS = [] + +def _define_macro(name, value): + LIBUV_MACROS.append((name, value)) + +LIBUV_LIBRARIES = [] + +def _add_library(name): + LIBUV_LIBRARIES.append(name) + +if sys.platform != 'win32': + _define_macro('_LARGEFILE_SOURCE', 1) + _define_macro('_FILE_OFFSET_BITS', 64) + +if sys.platform.startswith('linux'): + _add_library('dl') + _add_library('rt') + _define_macro('_GNU_SOURCE', 1) + _define_macro('_POSIX_C_SOURCE', '200112') +elif sys.platform == 'darwin': + _define_macro('_DARWIN_USE_64_BIT_INODE', 1) + _define_macro('_DARWIN_UNLIMITED_SELECT', 1) +elif sys.platform.startswith('netbsd'): + _add_library('kvm') +elif sys.platform.startswith('sunos'): + _define_macro('__EXTENSIONS__', 1) + _define_macro('_XOPEN_SOURCE', 500) + _add_library('kstat') + _add_library('nsl') + _add_library('sendfile') + _add_library('socket') +elif WIN: + _define_macro('_GNU_SOURCE', 1) + _define_macro('WIN32', 1) + _define_macro('_CRT_SECURE_NO_DEPRECATE', 1) + _define_macro('_CRT_NONSTDC_NO_DEPRECATE', 1) + _define_macro('_CRT_SECURE_NO_WARNINGS', 1) + _define_macro('_WIN32_WINNT', '0x0600') + _define_macro('WIN32_LEAN_AND_MEAN', 1) + _add_library('advapi32') + _add_library('iphlpapi') + _add_library('psapi') + _add_library('shell32') + _add_library('user32') + _add_library('userenv') + _add_library('ws2_32') + +ffi.cdef(_cdef) +ffi.set_source('gevent.libuv._corecffi', + _source, + sources=LIBUV_SOURCES, + depends=LIBUV_SOURCES, + include_dirs=LIBUV_INCLUDE_DIRS, + libraries=list(LIBUV_LIBRARIES), + define_macros=list(LIBUV_MACROS)) + +if __name__ == '__main__': + ffi.compile() |