| 1 | // File descriptor counting via /proc/self/fd (linux) or lsof (darwin). |
| 2 | //go:build linux || darwin |
| 3 | |
| 4 | package fd |
| 5 | |
| 6 | import ( |
| 7 | "golang.org/x/sys/unix" |
| 8 | ) |
| 9 | |
| 10 | func GetNumFDs() int { |
| 11 | var l unix.Rlimit |
| 12 | if err := unix.Getrlimit(unix.RLIMIT_NOFILE, &l); err != nil { |
| 13 | return 0 |
| 14 | } |
| 15 | return int(l.Cur) |
| 16 | } |