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unix: add Msync function on Darwin

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Add the Msync function on darwin/amd64 and darwin/386.

Fixes golang/go#8245

Change-Id: I1d234bb97731934c36d926ed2332c93b35b2f641
Reviewed-on: https://go-review.googlesource.com/50892
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 13:53:46 +00:00
committed by Ian Lance Taylor
parent d6d53c0e54
commit a7f1d9efe6
4 changed files with 63 additions and 3 deletions
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unix/zsyscall_darwin_amd64.go
+16
View File
@@ -937,6 +937,22 @@ func Mprotect(b []byte, prot 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 Munlock(b []byte) (err error) {
var _p0 unsafe.Pointer
if len(b) > 0 {