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wsl glibc-2.31のワークアラウンド https://qiita.com/mmns/items/eaf42dd3345a2285ff9e
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| # MIT License | |
| # | |
| # Copyright (c) 2020 Wataru Ashihara | |
| # | |
| # Permission is hereby granted, free of charge, to any person obtaining a copy | |
| # of this software and associated documentation files (the "Software"), to deal | |
| # in the Software without restriction, including without limitation the rights | |
| # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
| # copies of the Software, and to permit persons to whom the Software is | |
| # furnished to do so, subject to the following conditions: | |
| # | |
| # The above copyright notice and this permission notice shall be included in all | |
| # copies or substantial portions of the Software. | |
| # | |
| # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
| # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
| # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
| # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
| # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
| # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
| # SOFTWARE. | |
| # https://qiita.com/mmns/items/eaf42dd3345a2285ff9e | |
| # https://twitter.com/wata_ash/status/1255130650723487746 | |
| # 筆者はWindowsを持っていなくてUbuntuでしか試していない。 | |
| # 高確率で環境破壊するので自己責任でお願いします。 | |
| # ------------------------------------------------------------------------------ | |
| # 環境の確認 | |
| cat /etc/lsb-release # DISTRIB_DESCRIPTION="Ubuntu 20.04" | |
| # md5sum が異なったら終了して下さい。（そしてできれば教えて下さい） | |
| md5sum /usr/lib/x86_64-linux-gnu/libc-2.31.so # 10fdeb77eea525914332769e9cd912ae | |
| # ------------------------------------------------------------------------------ | |
| # バグの確認 | |
| echo > a.c ' | |
| #include <errno.h> | |
| #include <stdio.h> | |
| #include <stdlib.h> | |
| #include <time.h> | |
| int main(int argc, char *argv[]) { | |
| const struct timespec ts = {.tv_sec = 1}; | |
| printf("sleep 1\n"); | |
| if (nanosleep(&ts, NULL) == -1) { | |
| perror("nanosleep"); | |
| exit(EXIT_FAILURE); | |
| } | |
| printf("done\n"); | |
| }' | |
| cc a.c | |
| ./a.out | |
| # 通常のUbuntuなら1秒スリープするが、 | |
| # WSLだと nanosleep: Invalid argument と出力してすぐ終了すると思われる | |
| # ------------------------------------------------------------------------------ | |
| # HACK | |
| cp -v /usr/lib/x86_64-linux-gnu/libc-2.31.so ./libc-2.31.so.work.0.realtime.orig | |
| cp -v /usr/lib/x86_64-linux-gnu/libc-2.31.so ./libc-2.31.so.work.1.monotonic | |
| cp -v /usr/lib/x86_64-linux-gnu/libc-2.31.so ./libc-2.31.so.work.7.boottime | |
| echo -en '\xbf\x01\x00\x00\x00' | dd seek=918244 bs=1 count=5 of=./libc-2.31.so.work.1.monotonic | |
| dd skip=918249 seek=918249 bs=1 if=./libc-2.31.so.work.0.realtime.orig of=./libc-2.31.so.work.1.monotonic | |
| echo -en '\xbf\x07\x00\x00\x00' | dd seek=918244 bs=1 count=5 of=./libc-2.31.so.work.7.boottime | |
| dd skip=918249 seek=918249 bs=1 if=./libc-2.31.so.work.0.realtime.orig of=./libc-2.31.so.work.7.boottime | |
| # ------------------------------------------------------------------------------ | |
| # 確認 | |
| ls -l ./libc* # 全て 2029224 バイト | |
| md5sum ./libc-2.31.so.work.0.realtime.orig # 10fdeb77eea525914332769e9cd912ae | |
| md5sum ./libc-2.31.so.work.1.monotonic # a3de8ddf981b31db75c2e14fb9a330c8 | |
| md5sum ./libc-2.31.so.work.7.boottime # cc62215f49f8f229f8294c005ef5ec51 | |
| # objdump --disassemble=clock_nanosleep ./libc-2.31.so.work.0.original | |
| # objdump --disassemble=clock_nanosleep ./libc-2.31.so.work.1.monotonic | |
| # objdump --disassemble=clock_nanosleep ./libc-2.31.so.work.7.boottime | |
| # ------------------------------------------------------------------------------ | |
| # Install・ためす (キケン) | |
| # 直接cpしないこと！！死にます（コメント参照） | |
| cp -v ./libc-2.31.so.work.1.monotonic tmp && sudo mv -v tmp /usr/lib/x86_64-linux-gnu/libc-2.31.so | |
| ./a.out # 1秒sleepすればOK | |
| cp -v ./libc-2.31.so.work.7.boottime tmp && sudo mv -v tmp /usr/lib/x86_64-linux-gnu/libc-2.31.so | |
| ./a.out # 1秒sleepすればOK | |
| # ------------------------------------------------------------------------------ | |
| # もどす場合 | |
| cp -v ./libc-2.31.so.work.0.orig tmp && sudo mv -v tmp /usr/lib/x86_64-linux-gnu/libc-2.31.so | |
| ./a.out # EINVAL |
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