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unix: add Msync function on Linux

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Add the Msync function on Linux. See
http://man7.org/linux/man-pages/man2/msync.2.html

Updates golang/go#8245

Change-Id: I964259bafc8d4fbca09961443f21c4278bf56706
Reviewed-on: https://go-review.googlesource.com/50891
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Tobias Klauser
2017-07-25 13:53:26 +00:00
committed by Ian Lance Taylor
parent c4489faa6e
commit d6d53c0e54
12 changed files with 177 additions and 1 deletions
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unix/zsyscall_linux_arm64.go
+16
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@@ -1462,6 +1462,22 @@ func Mlockall(flags int) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Msync(b []byte, flags int) (err error) {
var _p0 unsafe.Pointer
if len(b) > 0 {
_p0 = unsafe.Pointer(&b[0])
} else {
_p0 = unsafe.Pointer(&_zero)
}
_, _, e1 := Syscall(SYS_MSYNC, uintptr(_p0), uintptr(len(b)), uintptr(flags))
if e1 != 0 {
err = errnoErr(e1)
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Munlockall() (err error) {
_, _, e1 := Syscall(SYS_MUNLOCKALL, 0, 0, 0)
if e1 != 0 {