github.com/bir3/gocompiler@v0.9.2202/src/internal/poll/fd_fsync_darwin.go (about) 1 // Copyright 2018 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 package poll 6 7 import ( 8 "github.com/bir3/gocompiler/src/xvendor/golang.org/x/sys/unix" 9 "syscall" 10 ) 11 12 // Fsync invokes SYS_FCNTL with SYS_FULLFSYNC because 13 // on OS X, SYS_FSYNC doesn't fully flush contents to disk. 14 // See Issue #26650 as well as the man page for fsync on OS X. 15 func (fd *FD) Fsync() error { 16 if err := fd.incref(); err != nil { 17 return err 18 } 19 defer fd.decref() 20 return ignoringEINTR(func() error { 21 _, err := unix.Fcntl(fd.Sysfd, syscall.F_FULLFSYNC, 0) 22 return err 23 }) 24 }