/
main.go
54 lines (46 loc) · 848 Bytes
/
main.go
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package main
import (
"flag"
"fmt"
"os"
"strconv"
"syscall"
"time"
)
var numChild = flag.Int(
"numChild",
5,
"hi",
)
func main() {
flag.Parse()
fmt.Println(os.Args)
wd, err := os.Getwd()
if err != nil {
panic(err)
}
fmt.Println("wd:", wd)
p := "/home/vcap/app/bin/dumb"
if *numChild > 0 {
pid, err := syscall.ForkExec(p, []string{p, "-numChild", strconv.Itoa(*numChild - 1)}, &syscall.ProcAttr{
Env: os.Environ(),
Dir: wd,
})
if err != nil {
panic(err)
}
fmt.Println("i made a first pid! it is:", pid)
pid, err = syscall.ForkExec(p, []string{p, "-numChild", strconv.Itoa(*numChild - 1)}, &syscall.ProcAttr{
Env: os.Environ(),
Dir: wd,
})
if err != nil {
panic(err)
}
fmt.Println("i made a second pid! it is:", pid)
}
for {
fmt.Println("heartbeat")
time.Sleep(time.Second)
}
}