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authorLibravatar Tobi Smethurst <31960611+tsmethurst@users.noreply.github.com>2021-08-12 21:03:24 +0200
committerLibravatar GitHub <noreply@github.com>2021-08-12 21:03:24 +0200
commit98263a7de64269898a2f81207e38943b5c8e8653 (patch)
tree743c90f109a6c5d27832d1dcef2388d939f0f77a /vendor/golang.org/x/sys/unix/fcntl.go
parentText duplication fix (#137) (diff)
downloadgotosocial-98263a7de64269898a2f81207e38943b5c8e8653.tar.xz
Grand test fixup (#138)
* start fixing up tests * fix up tests + automate with drone * fiddle with linting * messing about with drone.yml * some more fiddling * hmmm * add cache * add vendor directory * verbose * ci updates * update some little things * update sig
Diffstat (limited to 'vendor/golang.org/x/sys/unix/fcntl.go')
-rw-r--r--vendor/golang.org/x/sys/unix/fcntl.go37
1 files changed, 37 insertions, 0 deletions
diff --git a/vendor/golang.org/x/sys/unix/fcntl.go b/vendor/golang.org/x/sys/unix/fcntl.go
new file mode 100644
index 000000000..e9b991258
--- /dev/null
+++ b/vendor/golang.org/x/sys/unix/fcntl.go
@@ -0,0 +1,37 @@
+// Copyright 2014 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
+// +build dragonfly freebsd linux netbsd openbsd
+
+package unix
+
+import "unsafe"
+
+// fcntl64Syscall is usually SYS_FCNTL, but is overridden on 32-bit Linux
+// systems by fcntl_linux_32bit.go to be SYS_FCNTL64.
+var fcntl64Syscall uintptr = SYS_FCNTL
+
+func fcntl(fd int, cmd, arg int) (int, error) {
+ valptr, _, errno := Syscall(fcntl64Syscall, uintptr(fd), uintptr(cmd), uintptr(arg))
+ var err error
+ if errno != 0 {
+ err = errno
+ }
+ return int(valptr), err
+}
+
+// FcntlInt performs a fcntl syscall on fd with the provided command and argument.
+func FcntlInt(fd uintptr, cmd, arg int) (int, error) {
+ return fcntl(int(fd), cmd, arg)
+}
+
+// FcntlFlock performs a fcntl syscall for the F_GETLK, F_SETLK or F_SETLKW command.
+func FcntlFlock(fd uintptr, cmd int, lk *Flock_t) error {
+ _, _, errno := Syscall(fcntl64Syscall, fd, uintptr(cmd), uintptr(unsafe.Pointer(lk)))
+ if errno == 0 {
+ return nil
+ }
+ return errno
+}