| // Copyright 2020 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 illumos |
| |
| // Illumos system calls not present on Solaris. |
| |
| package syscall |
| |
| import "unsafe" |
| |
| //go:cgo_import_dynamic libc_flock flock "libc.so" |
| |
| //go:linkname procFlock libc_flock |
| |
| var procFlock libcFunc |
| |
| func Flock(fd int, how int) error { |
| _, _, errno := sysvicall6(uintptr(unsafe.Pointer(&procFlock)), 2, uintptr(fd), uintptr(how), 0, 0, 0, 0) |
| if errno != 0 { |
| return errno |
| } |
| return nil |
| } |