1 files changed, 0 insertions, 61 deletions
diff --git a/src/internal/poll/sendfile_linux.go b/src/internal/poll/sendfile_linux.go
deleted file mode 100644
index 7e800a3b7e..0000000000
--- a/src/internal/poll/sendfile_linux.go
+++ /dev/null
@@ -1,61 +0,0 @@
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package poll
-
-import "syscall"
-
-// maxSendfileSize is the largest chunk size we ask the kernel to copy
-// at a time.
-// sendfile(2) on Linux will transfer at most 0x7ffff000 (2,147,479,552)
-// bytes, which is true on both 32-bit and 64-bit systems.
-// See https://man7.org/linux/man-pages/man2/sendfile.2.html#NOTES for details.
-const maxSendfileSize int = 0x7ffff000
-
-// SendFile wraps the sendfile system call.
-func SendFile(dstFD *FD, src int, remain int64) (written int64, err error, handled bool) {
-	defer func() {
-		TestHookDidSendFile(dstFD, src, written, err, handled)
-	}()
-	if err := dstFD.writeLock(); err != nil {
-		return 0, err, false
-	}
-	defer dstFD.writeUnlock()
-
-	if err := dstFD.pd.prepareWrite(dstFD.isFile); err != nil {
-		return 0, err, false
-	}
-
-	dst := dstFD.Sysfd
-	for remain > 0 {
-		n := maxSendfileSize
-		if int64(n) > remain {
-			n = int(remain)
-		}
-		n, err = syscall.Sendfile(dst, src, nil, n)
-		if n > 0 {
-			written += int64(n)
-			remain -= int64(n)
-			continue
-		} else if err != syscall.EAGAIN && err != syscall.EINTR {
-			// This includes syscall.ENOSYS (no kernel
-			// support) and syscall.EINVAL (fd types which
-			// don't implement sendfile), and other errors.
-			// We should end the loop when there is no error
-			// returned from sendfile(2) or it is not a retryable error.
-			break
-		}
-		if err == syscall.EINTR {
-			continue
-		}
-		if err = dstFD.pd.waitWrite(dstFD.isFile); err != nil {
-			break
-		}
-	}
-	if err == syscall.EAGAIN {
-		err = nil
-	}
-	handled = written != 0 || (err != syscall.ENOSYS && err != syscall.EINVAL)
-	return
-}