在用gdb调试正在运行的nginx woker进程时会产生exited on signal 9

最新推荐文章于 2022-02-24 15:59:56 发布

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最新推荐文章于 2022-02-24 15:59:56 发布

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本文链接：https://blog.youkuaiyun.com/xuyaqun/article/details/5338636

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在使用gdb调试正在运行的nginx worker进程时，遇到了进程退出并显示信号9的问题。错误日志显示bind()操作失败，原因可能是地址已被占用。这可能导致nginx工作进程异常退出，需要检查端口冲突和配置。

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由于nginx在运行的时候，用gdb运行nginx的woker进程引起的：

140:/var/log/nginx# ps aux|grep nginx
root     17915 0.0 0.2 40196 1048 ?        Ss   11:25   0:00 nginx: master process /usr/local/nginx/sbin/nginx
www-data 17990 1.1 0.3 40700 1444 ?        S    11:31   0:00 nginx: worker process
root     18005 0.0 0.2   9724   796 pts/0    S+   11:32   0:00 grep nginx
140:/var/log/nginx# gdb -p 17915
GNU gdb 6.8-debian
Copyright (C) 2008 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Attaching to process 17915
Reading symbols from /usr/local/nginx/sbin/nginx...done.
Reading