Find processes which are using files in /dev/shm

find-shm-mentions.go

package main

import (
	"fmt"
	"io/ioutil"
	"os"
	"strings"
)

// TODO: write it in asm
func main() {
	d, _ := os.Open("/proc")
	pp, _ := d.Readdirnames(9000)

	for _, p := range pp {
		b, _ := ioutil.ReadFile(fmt.Sprintf("/proc/%s/maps", p))
		ll := strings.Split(string(b), "\n")
		for _, l := range ll {
			if strings.Contains(l, "/dev/shm") {
				fmt.Println(p, l)
			}
		}
		dfd, _ := os.Open(fmt.Sprintf("/proc/%s/fd", p))
		fdd, _ := dfd.Readdirnames(9000)
		dfd.Close()
		for _, fd := range fdd {
			lnk, _ := os.Readlink(fmt.Sprintf("/proc/%s/fd/%s", p, fd))
			if strings.HasPrefix(lnk, "/dev/shm") {
				fmt.Println(p, fd, lnk)
			}
		}
	}
}