2021-04-15 20:42:40 -05:00
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################################################################################
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# BSD 2-Clause License
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#
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# Copyright (c) 2021, Knott Eye
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# 1. Redistributions of source code must retain the above copyright notice, this
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# list of conditions and the following disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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################################################################################
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2021-04-15 15:16:38 -05:00
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import os, time, platform
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from ctypes import cdll, util
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#try:
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# if os.name == 'posix':
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# libc = cdll.LoadLibrary("libc.so.6")
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# elif os.name == 'nt':
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# libc = cdll.kernel32
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#except:
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# libc = None
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try:
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if platform.system() == "Windows":
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libc_path = util.find_library("msvcrt")
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else:
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libc_path = util.find_library("c")
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libc = cdll.LoadLibrary(libc_path)
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print("Loaded libc from "+libc_path)
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except:
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libc_path = None
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libc = None
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def posixsleep(t):
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libc.usleep(int(t * 1000000))
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def ntsleep(t):
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libc.Sleep(int(t * 1000))
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if libc_path == 'libc.so.6':
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sleep = posixsleep
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elif libc_path == 'kernel32':
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sleep = ntsleep
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2021-04-15 16:28:04 -05:00
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elif libc_path == "libSystem.dylib":
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sleep = posixsleep
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2021-04-15 15:16:38 -05:00
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else:
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print("Couldn't figure out how to use native sleep calls with "+str(libc_path)+", event loop performance may suffer.")
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sleep = time.sleep
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