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-rw-r--r--fdtrack/fdusage_darwin.go72
1 files changed, 0 insertions, 72 deletions
diff --git a/fdtrack/fdusage_darwin.go b/fdtrack/fdusage_darwin.go
deleted file mode 100644
index 04a3a9baf..000000000
--- a/fdtrack/fdusage_darwin.go
+++ /dev/null
@@ -1,72 +0,0 @@
-// Copyright 2015 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// The go-ethereum library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-// +build darwin
-
-package fdtrack
-
-import (
- "os"
- "syscall"
- "unsafe"
-)
-
-// #cgo CFLAGS: -lproc
-// #include <libproc.h>
-// #include <stdlib.h>
-import "C"
-
-func fdlimit() int {
- var nofile syscall.Rlimit
- if err := syscall.Getrlimit(syscall.RLIMIT_NOFILE, &nofile); err != nil {
- return 0
- }
- return int(nofile.Cur)
-}
-
-func fdusage() (int, error) {
- pid := C.int(os.Getpid())
- // Query for a rough estimate on the amout of data that
- // proc_pidinfo will return.
- rlen, err := C.proc_pidinfo(pid, C.PROC_PIDLISTFDS, 0, nil, 0)
- if rlen <= 0 {
- return 0, err
- }
- // Load the list of file descriptors. We don't actually care about
- // the content, only about the size. Since the number of fds can
- // change while we're reading them, the loop enlarges the buffer
- // until proc_pidinfo says the result fitted.
- var buf unsafe.Pointer
- defer func() {
- if buf != nil {
- C.free(buf)
- }
- }()
- for buflen := rlen; ; buflen *= 2 {
- buf, err = C.reallocf(buf, C.size_t(buflen))
- if buf == nil {
- return 0, err
- }
- rlen, err = C.proc_pidinfo(pid, C.PROC_PIDLISTFDS, 0, buf, buflen)
- if rlen <= 0 {
- return 0, err
- } else if rlen == buflen {
- continue
- }
- return int(rlen / C.PROC_PIDLISTFD_SIZE), nil
- }
- panic("unreachable")
-}