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unix: unify memory functions on BSD

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Make Madvice, Mlock, Mlockall, Mprotect, Msync, Munlock and Munlockall
available equally on all BSD flavors. NetBSD was previously lacking
SYS_MSYNC, so add it.

Reorder the //sys function prototype alphabetically and clean up already
implemented syscalls everywhere.

Also add tests for Mprotect, Msync and Madvice - now that they're
available on all unix platforms.

Fixes golang/go#18513

Change-Id: I0eb502d72c7e991f191fb96225ef04e8297d8b8d
Reviewed-on: https://go-review.googlesource.com/56172
Run-TryBot: Daniel Martí <mvdan@mvdan.cc>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Tobias Klauser
2017-08-17 23:46:08 +00:00
committed by Ian Lance Taylor
parent 9f7170bcd8
commit 43e60d72a8
27 changed files with 1428 additions and 1033 deletions
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unix/syscall_linux.go
+1 -2
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@@ -1314,9 +1314,9 @@ func Munmap(b []byte) (err error) {
//sys Madvise(b []byte, advice int) (err error)
//sys Mprotect(b []byte, prot int) (err error)
//sys Mlock(b []byte) (err error)
//sys Munlock(b []byte) (err error)
//sys Mlockall(flags int) (err error)
//sys Msync(b []byte, flags int) (err error)
//sys Munlock(b []byte) (err error)
//sys Munlockall() (err error)
// Vmsplice splices user pages from a slice of Iovecs into a pipe specified by fd,
@@ -1384,7 +1384,6 @@ func Vmsplice(fd int, iovs []Iovec, flags int) (int, error) {
// ModifyLdt
// Mount
// MovePages
// Mprotect
// MqGetsetattr
// MqNotify
// MqOpen