spawn-fcgi 学习笔记

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spawn-fcgi 用法了解

spawn-fcgi 是一个小程序，作用是管理 fast-cgi 进程。

用 spawn 启动 FCGI 程序的方式为：

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./spawn-fcgi -a 127.0.0.1 -p 8080 -F ${count} -f ${webroot}/bin/demo.fcgi

这样就会启动 count 个 demo.fcgi 程序，他们共同监听同一个 listen 端口 8080，从而提供服务。

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./spawn_fcgi -h
Usage: spawn-fcgi [options] [-- <fcgiapp> [fcgi app arguments]]

spawn-fcgi v1.6.5 - spawns FastCGI processes

Options:
 -f <path>      filename of the fcgi-application (deprecated; ignored if
                <fcgiapp> is given; needs /bin/sh)
 -d <directory> chdir to directory before spawning
 -a <address>   bind to IPv4/IPv6 address (defaults to 0.0.0.0)
 -p <port>      bind to TCP-port
 -s <path>      bind to Unix domain socket
 -M <mode>      change Unix domain socket mode (octal integer, default: allow
                read+write for user and group as far as umask allows it)
 -C <children>  (PHP only) numbers of childs to spawn (default: not setting
                the PHP_FCGI_CHILDREN environment variable - PHP defaults to 0)
 -F <children>  number of children to fork (default 1)
 -b <backlog>   backlog to allow on the socket (default 1024)
 -P <path>      name of PID-file for spawned process (ignored in no-fork mode)
 -n             no fork (for daemontools)
 -v             show version
 -?, -h         show this help
(root only)
 -c <directory> chroot to directory
 -S             create socket before chroot() (default is to create the socket
                in the chroot)
 -u <user>      change to user-id
 -g <group>     change to group-id (default: primary group of user if -u
                is given)
 -U <user>      change Unix domain socket owner to user-id
 -G <group>     change Unix domain socket group to group-id