diff options
Diffstat (limited to 'src/internal/poll/fd_writev_unix.go')
-rw-r--r-- | src/internal/poll/fd_writev_unix.go | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/internal/poll/fd_writev_unix.go b/src/internal/poll/fd_writev_unix.go new file mode 100644 index 0000000..005638b --- /dev/null +++ b/src/internal/poll/fd_writev_unix.go @@ -0,0 +1,29 @@ +// Copyright 2018 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. + +//go:build dragonfly || freebsd || linux || netbsd || (openbsd && mips64) + +package poll + +import ( + "syscall" + "unsafe" +) + +func writev(fd int, iovecs []syscall.Iovec) (uintptr, error) { + var ( + r uintptr + e syscall.Errno + ) + for { + r, _, e = syscall.Syscall(syscall.SYS_WRITEV, uintptr(fd), uintptr(unsafe.Pointer(&iovecs[0])), uintptr(len(iovecs))) + if e != syscall.EINTR { + break + } + } + if e != 0 { + return r, e + } + return r, nil +} |