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Diffstat (limited to 'vendor/github.com/etcd-io/bbolt/bolt_unix_solaris.go')
-rw-r--r--vendor/github.com/etcd-io/bbolt/bolt_unix_solaris.go88
1 files changed, 0 insertions, 88 deletions
diff --git a/vendor/github.com/etcd-io/bbolt/bolt_unix_solaris.go b/vendor/github.com/etcd-io/bbolt/bolt_unix_solaris.go
deleted file mode 100644
index babad6578..000000000
--- a/vendor/github.com/etcd-io/bbolt/bolt_unix_solaris.go
+++ /dev/null
@@ -1,88 +0,0 @@
-package bbolt
-
-import (
- "fmt"
- "syscall"
- "time"
- "unsafe"
-
- "golang.org/x/sys/unix"
-)
-
-// 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()
- var lockType int16
- if exclusive {
- lockType = syscall.F_WRLCK
- } else {
- lockType = syscall.F_RDLCK
- }
- for {
- // Attempt to obtain an exclusive lock.
- lock := syscall.Flock_t{Type: lockType}
- err := syscall.FcntlFlock(fd, syscall.F_SETLK, &lock)
- if err == nil {
- return nil
- } else if err != syscall.EAGAIN {
- 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 {
- var lock syscall.Flock_t
- lock.Start = 0
- lock.Len = 0
- lock.Type = syscall.F_UNLCK
- lock.Whence = 0
- return syscall.FcntlFlock(uintptr(db.file.Fd()), syscall.F_SETLK, &lock)
-}
-
-// mmap memory maps a DB's data file.
-func mmap(db *DB, sz int) error {
- // Map the data file to memory.
- b, err := unix.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.
- if err := unix.Madvise(b, syscall.MADV_RANDOM); err != nil {
- 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 := unix.Munmap(db.dataref)
- db.dataref = nil
- db.data = nil
- db.datasz = 0
- return err
-}