1 files changed, 0 insertions, 93 deletions
diff --git a/vendor/github.com/etcd-io/bbolt/bolt_unix.go b/vendor/github.com/etcd-io/bbolt/bolt_unix.go
deleted file mode 100644
index 5f2bb5145..000000000
--- a/vendor/github.com/etcd-io/bbolt/bolt_unix.go
+++ /dev/null
@@ -1,93 +0,0 @@
-// +build !windows,!plan9,!solaris
-
-package bbolt
-
-import (
-	"fmt"
-	"syscall"
-	"time"
-	"unsafe"
-)
-
-// flock acquires an advisory lock on a file descriptor.
-func flock(db *DB, exclusive bool, timeout time.Duration) error {
-	var t time.Time
-	if timeout != 0 {
-		t = time.Now()
-	}
-	fd := db.file.Fd()
-	flag := syscall.LOCK_NB
-	if exclusive {
-		flag |= syscall.LOCK_EX
-	} else {
-		flag |= syscall.LOCK_SH
-	}
-	for {
-		// Attempt to obtain an exclusive lock.
-		err := syscall.Flock(int(fd), flag)
-		if err == nil {
-			return nil
-		} else if err != syscall.EWOULDBLOCK {
-			return err
-		}
-
-		// If we timed out then return an error.
-		if timeout != 0 && time.Since(t) > timeout-flockRetryTimeout {
-			return ErrTimeout
-		}
-
-		// Wait for a bit and try again.
-		time.Sleep(flockRetryTimeout)
-	}
-}
-
-// funlock releases an advisory lock on a file descriptor.
-func funlock(db *DB) error {
-	return syscall.Flock(int(db.file.Fd()), syscall.LOCK_UN)
-}
-
-// mmap memory maps a DB's data file.
-func mmap(db *DB, sz int) error {
-	// Map the data file to memory.
-	b, err := syscall.Mmap(int(db.file.Fd()), 0, sz, syscall.PROT_READ, syscall.MAP_SHARED|db.MmapFlags)
-	if err != nil {
-		return err
-	}
-
-	// Advise the kernel that the mmap is accessed randomly.
-	err = madvise(b, syscall.MADV_RANDOM)
-	if err != nil && err != syscall.ENOSYS {
-		// Ignore not implemented error in kernel because it still works.
-		return fmt.Errorf("madvise: %s", err)
-	}
-
-	// Save the original byte slice and convert to a byte array pointer.
-	db.dataref = b
-	db.data = (*[maxMapSize]byte)(unsafe.Pointer(&b[0]))
-	db.datasz = sz
-	return nil
-}
-
-// munmap unmaps a DB's data file from memory.
-func munmap(db *DB) error {
-	// Ignore the unmap if we have no mapped data.
-	if db.dataref == nil {
-		return nil
-	}
-
-	// Unmap using the original byte slice.
-	err := syscall.Munmap(db.dataref)
-	db.dataref = nil
-	db.data = nil
-	db.datasz = 0
-	return err
-}
-
-// NOTE: This function is copied from stdlib because it is not available on darwin.
-func madvise(b []byte, advice int) (err error) {
-	_, _, e1 := syscall.Syscall(syscall.SYS_MADVISE, uintptr(unsafe.Pointer(&b[0])), uintptr(len(b)), uintptr(advice))
-	if e1 != 0 {
-		err = e1
-	}
-	return
-}