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author | Duco van Amstel <duco.vanamstel@gmail.com> | 2018-11-18 16:32:26 +0000 |
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committer | GitHub <noreply@github.com> | 2018-11-18 16:32:26 +0000 |
commit | d5bc7c434336ace9591447d65c043cdad1c686ff (patch) | |
tree | 5fcd41df548af27d1a1fd9b0c8643afeb91d31e2 /vendor/golang.org/x/sys/unix/fcntl.go | |
parent | 32f57b7c26bdd8701587faf5c8bb3bef133d34b1 (diff) | |
parent | 692bb8faa7c4000953b0622a77126193f8fd0383 (diff) | |
download | matterbridge-msglm-d5bc7c434336ace9591447d65c043cdad1c686ff.tar.gz matterbridge-msglm-d5bc7c434336ace9591447d65c043cdad1c686ff.tar.bz2 matterbridge-msglm-d5bc7c434336ace9591447d65c043cdad1c686ff.zip |
Merge pull request #598 from Helcaraxan/feature/update-deps
Upgrade logrus / testify to stable versions
Diffstat (limited to 'vendor/golang.org/x/sys/unix/fcntl.go')
-rw-r--r-- | vendor/golang.org/x/sys/unix/fcntl.go | 32 |
1 files changed, 32 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 00000000..9379ba9c --- /dev/null +++ b/vendor/golang.org/x/sys/unix/fcntl.go @@ -0,0 +1,32 @@ +// 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. + +// +build darwin dragonfly freebsd linux netbsd openbsd + +package unix + +import "unsafe" + +// fcntl64Syscall is usually SYS_FCNTL, but is overridden on 32-bit Linux +// systems by flock_linux_32bit.go to be SYS_FCNTL64. +var fcntl64Syscall uintptr = SYS_FCNTL + +// FcntlInt performs a fcntl syscall on fd with the provided command and argument. +func FcntlInt(fd uintptr, cmd, arg int) (int, error) { + valptr, _, errno := Syscall(fcntl64Syscall, fd, uintptr(cmd), uintptr(arg)) + var err error + if errno != 0 { + err = errno + } + return int(valptr), err +} + +// 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 +} |