//go:build freebsd // +build freebsd package chat import ( "syscall" log "github.com/sirupsen/logrus" ) func setSystemConcurrentConnectionLimit(limit int64) { var rLimit syscall.Rlimit if err := syscall.Getrlimit(syscall.RLIMIT_NOFILE, &rLimit); err != nil { log.Fatalln(err) } originalLimit := rLimit.Cur rLimit.Cur = int64(limit) if err := syscall.Setrlimit(syscall.RLIMIT_NOFILE, &rLimit); err != nil { log.Fatalln(err) } log.Traceln("Max process connection count changed from system limit of", originalLimit, "to", limit) }