unix: add Msync function on Linux
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>
diff --git a/unix/syscall_linux.go b/unix/syscall_linux.go
index 056f601..a85201b 100644
--- a/unix/syscall_linux.go
+++ b/unix/syscall_linux.go
@@ -1315,6 +1315,7 @@
//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 Munlockall() (err error)
// Vmsplice splices user pages from a slice of Iovecs into a pipe specified by fd,
@@ -1394,7 +1395,6 @@
// Msgget
// Msgrcv
// Msgsnd
-// Msync
// Newfstatat
// Nfsservctl
// Personality
diff --git a/unix/zsyscall_linux_386.go b/unix/zsyscall_linux_386.go
index 6c08450..8b8325a 100644
--- a/unix/zsyscall_linux_386.go
+++ b/unix/zsyscall_linux_386.go
@@ -1462,6 +1462,22 @@
// 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 {
diff --git a/unix/zsyscall_linux_amd64.go b/unix/zsyscall_linux_amd64.go
index f34418d..417cb98 100644
--- a/unix/zsyscall_linux_amd64.go
+++ b/unix/zsyscall_linux_amd64.go
@@ -1462,6 +1462,22 @@
// 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 {
diff --git a/unix/zsyscall_linux_arm.go b/unix/zsyscall_linux_arm.go
index 92b4716..db7156b 100644
--- a/unix/zsyscall_linux_arm.go
+++ b/unix/zsyscall_linux_arm.go
@@ -1462,6 +1462,22 @@
// 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 {
diff --git a/unix/zsyscall_linux_arm64.go b/unix/zsyscall_linux_arm64.go
index ec55920..fbc7e2c 100644
--- a/unix/zsyscall_linux_arm64.go
+++ b/unix/zsyscall_linux_arm64.go
@@ -1462,6 +1462,22 @@
// 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 {
diff --git a/unix/zsyscall_linux_mips.go b/unix/zsyscall_linux_mips.go
index e6c2bf5..de3f859 100644
--- a/unix/zsyscall_linux_mips.go
+++ b/unix/zsyscall_linux_mips.go
@@ -1462,6 +1462,22 @@
// 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 {
diff --git a/unix/zsyscall_linux_mips64.go b/unix/zsyscall_linux_mips64.go
index f77f1d0..6bedc3d 100644
--- a/unix/zsyscall_linux_mips64.go
+++ b/unix/zsyscall_linux_mips64.go
@@ -1462,6 +1462,22 @@
// 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 {
diff --git a/unix/zsyscall_linux_mips64le.go b/unix/zsyscall_linux_mips64le.go
index d6ce861..8029e22 100644
--- a/unix/zsyscall_linux_mips64le.go
+++ b/unix/zsyscall_linux_mips64le.go
@@ -1462,6 +1462,22 @@
// 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 {
diff --git a/unix/zsyscall_linux_mipsle.go b/unix/zsyscall_linux_mipsle.go
index c013406..7866a15 100644
--- a/unix/zsyscall_linux_mipsle.go
+++ b/unix/zsyscall_linux_mipsle.go
@@ -1462,6 +1462,22 @@
// 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 {
diff --git a/unix/zsyscall_linux_ppc64.go b/unix/zsyscall_linux_ppc64.go
index 6b7a291..06f18ed 100644
--- a/unix/zsyscall_linux_ppc64.go
+++ b/unix/zsyscall_linux_ppc64.go
@@ -1462,6 +1462,22 @@
// 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 {
diff --git a/unix/zsyscall_linux_ppc64le.go b/unix/zsyscall_linux_ppc64le.go
index 7585277..80802bc 100644
--- a/unix/zsyscall_linux_ppc64le.go
+++ b/unix/zsyscall_linux_ppc64le.go
@@ -1462,6 +1462,22 @@
// 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 {
diff --git a/unix/zsyscall_linux_s390x.go b/unix/zsyscall_linux_s390x.go
index 987ce86..887dfcc 100644
--- a/unix/zsyscall_linux_s390x.go
+++ b/unix/zsyscall_linux_s390x.go
@@ -1462,6 +1462,22 @@
// 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 {
