proc

provides a mechanism to support standalone processes

you can find the sample at https://www.xnip.cn/doc/BZ7EWB2Eexamples/ngx_proc_daytime_module

Examples

processes {
    process echo {
        echo on;
        echo_str "hello, world";
        listen 8888;
        count 1;
        priority 1;
        delay_start 10s;
        respawn off;
    }
    
    process example {
        count 1;
        priority 0;
        delay_start 0s;
        respawn on;
    }
}

Directives

Syntax: process name { } Default: none Context: processes

Syntax: count num Default: 1 Context: process

Specify the number of processes which will be forked.

Syntax: priority num Default: 0 Context: process

Priority is a value in the range -20 to 20. Lower priorities cause more favorable scheduling.

Syntax: delay_start time Default: 300ms Context: process

The directive specifies the time to wait before process starts.

Syntax: respawn on | off Default: on Context: process

The directive specifies whether the process will be restarted by nginx when it encounters some errors and exits.