Skip to content

G
golang
Commit a7858a40 authored by Mikio Hara's avatar Mikio Hara
Browse files
Options

syscall: add SendmsgN for BSD variants, Linux and Solaris 

SendmsgN is an alternate version Sendmsg that also returns
the number of bytes transferred, instead of just the error.

Update #7645

LGTM=aram, iant
R=iant, aram, bradfitz
CC=golang-codereviews
https://golang.org/cl/81210043
parent f0745651
Hide whitespace changes
Inline Side-by-side
Showing with 88 additions and 46 deletions
src/pkg/syscall/syscall_bsd.go
View file @ a7858a40
...@@ -389,15 +389,20 @@ func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from ...@@ -389,15 +389,20 @@ func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from
return return
} }
//sys sendmsg(s int, msg *Msghdr, flags int) (err error) //sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error)
func Sendmsg(fd int, p, oob []byte, to Sockaddr, flags int) (err error) { func Sendmsg(fd int, p, oob []byte, to Sockaddr, flags int) (err error) {
_, err = SendmsgN(fd, p, oob, to, flags)
return
}
func SendmsgN(fd int, p, oob []byte, to Sockaddr, flags int) (n int, err error) {
var ptr unsafe.Pointer var ptr unsafe.Pointer
var salen _Socklen var salen _Socklen
if to != nil { if to != nil {
ptr, salen, err = to.sockaddr() ptr, salen, err = to.sockaddr()
if err != nil { if err != nil {
return return 0, err
} }
} }
var msg Msghdr var msg Msghdr
...@@ -420,10 +425,13 @@ func Sendmsg(fd int, p, oob []byte, to Sockaddr, flags int) (err error) { ...@@ -420,10 +425,13 @@ func Sendmsg(fd int, p, oob []byte, to Sockaddr, flags int) (err error) {
} }
msg.Iov = &iov msg.Iov = &iov
msg.Iovlen = 1 msg.Iovlen = 1
if err = sendmsg(fd, &msg, flags); err != nil { if n, err = sendmsg(fd, &msg, flags); err != nil {
return return 0, err
} }
return if len(oob) > 0 && len(p) == 0 {
n = 0
}
return n, nil
} }
//sys kevent(kq int, change unsafe.Pointer, nchange int, event unsafe.Pointer, nevent int, timeout *Timespec) (n int, err error) //sys kevent(kq int, change unsafe.Pointer, nchange int, event unsafe.Pointer, nevent int, timeout *Timespec) (n int, err error)
......
src/pkg/syscall/syscall_linux.go
View file @ a7858a40
...@@ -527,13 +527,18 @@ func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from ...@@ -527,13 +527,18 @@ func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from
} }
func Sendmsg(fd int, p, oob []byte, to Sockaddr, flags int) (err error) { func Sendmsg(fd int, p, oob []byte, to Sockaddr, flags int) (err error) {
_, err = SendmsgN(fd, p, oob, to, flags)
return
}
func SendmsgN(fd int, p, oob []byte, to Sockaddr, flags int) (n int, err error) {
var ptr unsafe.Pointer var ptr unsafe.Pointer
var salen _Socklen var salen _Socklen
if to != nil { if to != nil {
var err error var err error
ptr, salen, err = to.sockaddr() ptr, salen, err = to.sockaddr()
if err != nil { if err != nil {
return err return 0, err
} }
} }
var msg Msghdr var msg Msghdr
...@@ -556,10 +561,13 @@ func Sendmsg(fd int, p, oob []byte, to Sockaddr, flags int) (err error) { ...@@ -556,10 +561,13 @@ func Sendmsg(fd int, p, oob []byte, to Sockaddr, flags int) (err error) {
} }
msg.Iov = &iov msg.Iov = &iov
msg.Iovlen = 1 msg.Iovlen = 1
if err = sendmsg(fd, &msg, flags); err != nil { if n, err = sendmsg(fd, &msg, flags); err != nil {
return return 0, err
} }
return if len(oob) > 0 && len(p) == 0 {
n = 0
}
return n, nil
} }
// BindToDevice binds the socket associated with fd to device. // BindToDevice binds the socket associated with fd to device.
......
src/pkg/syscall/syscall_linux_386.go
View file @ a7858a40
...@@ -284,8 +284,8 @@ func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) { ...@@ -284,8 +284,8 @@ func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) {
return return
} }
func sendmsg(s int, msg *Msghdr, flags int) (err error) { func sendmsg(s int, msg *Msghdr, flags int) (n int, err error) {
_, e := socketcall(_SENDMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags), 0, 0, 0) n, e := socketcall(_SENDMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags), 0, 0, 0)
if e != 0 { if e != 0 {
err = e err = e
} }
......
src/pkg/syscall/syscall_linux_amd64.go
View file @ a7858a40
...@@ -53,7 +53,7 @@ package syscall ...@@ -53,7 +53,7 @@ package syscall
//sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error) //sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error)
//sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) //sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error)
//sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error) //sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error)
//sys sendmsg(s int, msg *Msghdr, flags int) (err error) //sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error)
//sys mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) //sys mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error)
func Getpagesize() int { return 4096 } func Getpagesize() int { return 4096 }
......
src/pkg/syscall/syscall_linux_arm.go
View file @ a7858a40
...@@ -42,7 +42,7 @@ func Seek(fd int, offset int64, whence int) (newoffset int64, err error) ...@@ -42,7 +42,7 @@ func Seek(fd int, offset int64, whence int) (newoffset int64, err error)
//sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) //sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error)
//sysnb socketpair(domain int, typ int, flags int, fd *[2]int32) (err error) //sysnb socketpair(domain int, typ int, flags int, fd *[2]int32) (err error)
//sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error) //sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error)
//sys sendmsg(s int, msg *Msghdr, flags int) (err error) //sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error)
// 64-bit file system and 32-bit uid calls // 64-bit file system and 32-bit uid calls
// (16-bit uid calls are not always supported in newer kernels) // (16-bit uid calls are not always supported in newer kernels)
......
src/pkg/syscall/syscall_solaris.go
View file @ a7858a40
...@@ -380,14 +380,19 @@ func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from ...@@ -380,14 +380,19 @@ func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from
return return
} }
//sys sendmsg(s int, msg *Msghdr, flags int) (err error) = libsocket.sendmsg
func Sendmsg(fd int, p, oob []byte, to Sockaddr, flags int) (err error) { func Sendmsg(fd int, p, oob []byte, to Sockaddr, flags int) (err error) {
_, err = SendmsgN(fd, p, oob, to, flags)
return
}
//sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error) = libsocket.sendmsg
func SendmsgN(fd int, p, oob []byte, to Sockaddr, flags int) (n int, err error) {
var ptr unsafe.Pointer var ptr unsafe.Pointer
var salen _Socklen var salen _Socklen
if to != nil { if to != nil {
ptr, salen, err = to.sockaddr() ptr, salen, err = to.sockaddr()
if err != nil { if err != nil {
return err return 0, err
} }
} }
var msg Msghdr var msg Msghdr
...@@ -409,7 +414,13 @@ func Sendmsg(fd int, p, oob []byte, to Sockaddr, flags int) (err error) { ...@@ -409,7 +414,13 @@ func Sendmsg(fd int, p, oob []byte, to Sockaddr, flags int) (err error) {
} }
msg.Iov = &iov msg.Iov = &iov
msg.Iovlen = 1 msg.Iovlen = 1
return sendmsg(fd, &msg, flags) if n, err = sendmsg(fd, &msg, flags); err != nil {
return 0, err
}
if len(oob) > 0 && len(p) == 0 {
n = 0
}
return n, nil
} }
/* /*
......
src/pkg/syscall/zsyscall_darwin_386.go
View file @ a7858a40
...@@ -185,8 +185,9 @@ func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) { ...@@ -185,8 +185,9 @@ func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func sendmsg(s int, msg *Msghdr, flags int) (err error) { func sendmsg(s int, msg *Msghdr, flags int) (n int, err error) {
_, _, e1 := Syscall(SYS_SENDMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags)) r0, _, e1 := Syscall(SYS_SENDMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags))
n = int(r0)
if e1 != 0 { if e1 != 0 {
err = e1 err = e1
} }
......
src/pkg/syscall/zsyscall_darwin_amd64.go
View file @ a7858a40
...@@ -185,8 +185,9 @@ func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) { ...@@ -185,8 +185,9 @@ func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func sendmsg(s int, msg *Msghdr, flags int) (err error) { func sendmsg(s int, msg *Msghdr, flags int) (n int, err error) {
_, _, e1 := Syscall(SYS_SENDMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags)) r0, _, e1 := Syscall(SYS_SENDMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags))
n = int(r0)
if e1 != 0 { if e1 != 0 {
err = e1 err = e1
} }
......
src/pkg/syscall/zsyscall_dragonfly_386.go
View file @ a7858a40
...@@ -185,8 +185,9 @@ func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) { ...@@ -185,8 +185,9 @@ func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func sendmsg(s int, msg *Msghdr, flags int) (err error) { func sendmsg(s int, msg *Msghdr, flags int) (n int, err error) {
_, _, e1 := Syscall(SYS_SENDMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags)) r0, _, e1 := Syscall(SYS_SENDMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags))
n = int(r0)
if e1 != 0 { if e1 != 0 {
err = e1 err = e1
} }
......
src/pkg/syscall/zsyscall_dragonfly_amd64.go
View file @ a7858a40
...@@ -185,8 +185,9 @@ func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) { ...@@ -185,8 +185,9 @@ func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func sendmsg(s int, msg *Msghdr, flags int) (err error) { func sendmsg(s int, msg *Msghdr, flags int) (n int, err error) {
_, _, e1 := Syscall(SYS_SENDMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags)) r0, _, e1 := Syscall(SYS_SENDMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags))
n = int(r0)
if e1 != 0 { if e1 != 0 {
err = e1 err = e1
} }
......
src/pkg/syscall/zsyscall_freebsd_386.go
View file @ a7858a40
...@@ -185,8 +185,9 @@ func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) { ...@@ -185,8 +185,9 @@ func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func sendmsg(s int, msg *Msghdr, flags int) (err error) { func sendmsg(s int, msg *Msghdr, flags int) (n int, err error) {
_, _, e1 := Syscall(SYS_SENDMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags)) r0, _, e1 := Syscall(SYS_SENDMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags))
n = int(r0)
if e1 != 0 { if e1 != 0 {
err = e1 err = e1
} }
......
src/pkg/syscall/zsyscall_freebsd_amd64.go
View file @ a7858a40
...@@ -185,8 +185,9 @@ func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) { ...@@ -185,8 +185,9 @@ func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func sendmsg(s int, msg *Msghdr, flags int) (err error) { func sendmsg(s int, msg *Msghdr, flags int) (n int, err error) {
_, _, e1 := Syscall(SYS_SENDMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags)) r0, _, e1 := Syscall(SYS_SENDMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags))
n = int(r0)
if e1 != 0 { if e1 != 0 {
err = e1 err = e1
} }
......
src/pkg/syscall/zsyscall_freebsd_arm.go
View file @ a7858a40
...@@ -185,8 +185,9 @@ func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) { ...@@ -185,8 +185,9 @@ func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func sendmsg(s int, msg *Msghdr, flags int) (err error) { func sendmsg(s int, msg *Msghdr, flags int) (n int, err error) {
_, _, e1 := Syscall(SYS_SENDMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags)) r0, _, e1 := Syscall(SYS_SENDMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags))
n = int(r0)
if e1 != 0 { if e1 != 0 {
err = e1 err = e1
} }
......
src/pkg/syscall/zsyscall_linux_amd64.go
View file @ a7858a40
...@@ -1909,8 +1909,9 @@ func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) { ...@@ -1909,8 +1909,9 @@ func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func sendmsg(s int, msg *Msghdr, flags int) (err error) { func sendmsg(s int, msg *Msghdr, flags int) (n int, err error) {
_, _, e1 := Syscall(SYS_SENDMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags)) r0, _, e1 := Syscall(SYS_SENDMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags))
n = int(r0)
if e1 != 0 { if e1 != 0 {
err = e1 err = e1
} }
......
src/pkg/syscall/zsyscall_linux_arm.go
View file @ a7858a40
...@@ -1529,8 +1529,9 @@ func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) { ...@@ -1529,8 +1529,9 @@ func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func sendmsg(s int, msg *Msghdr, flags int) (err error) { func sendmsg(s int, msg *Msghdr, flags int) (n int, err error) {
_, _, e1 := Syscall(SYS_SENDMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags)) r0, _, e1 := Syscall(SYS_SENDMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags))
n = int(r0)
if e1 != 0 { if e1 != 0 {
err = e1 err = e1
} }
......
src/pkg/syscall/zsyscall_netbsd_386.go
View file @ a7858a40
...@@ -185,8 +185,9 @@ func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) { ...@@ -185,8 +185,9 @@ func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func sendmsg(s int, msg *Msghdr, flags int) (err error) { func sendmsg(s int, msg *Msghdr, flags int) (n int, err error) {
_, _, e1 := Syscall(SYS_SENDMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags)) r0, _, e1 := Syscall(SYS_SENDMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags))
n = int(r0)
if e1 != 0 { if e1 != 0 {
err = e1 err = e1
} }
......
src/pkg/syscall/zsyscall_netbsd_amd64.go
View file @ a7858a40
...@@ -185,8 +185,9 @@ func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) { ...@@ -185,8 +185,9 @@ func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func sendmsg(s int, msg *Msghdr, flags int) (err error) { func sendmsg(s int, msg *Msghdr, flags int) (n int, err error) {
_, _, e1 := Syscall(SYS_SENDMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags)) r0, _, e1 := Syscall(SYS_SENDMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags))
n = int(r0)
if e1 != 0 { if e1 != 0 {
err = e1 err = e1
} }
......
src/pkg/syscall/zsyscall_netbsd_arm.go
View file @ a7858a40
...@@ -185,8 +185,9 @@ func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) { ...@@ -185,8 +185,9 @@ func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func sendmsg(s int, msg *Msghdr, flags int) (err error) { func sendmsg(s int, msg *Msghdr, flags int) (n int, err error) {
_, _, e1 := Syscall(SYS_SENDMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags)) r0, _, e1 := Syscall(SYS_SENDMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags))
n = int(r0)
if e1 != 0 { if e1 != 0 {
err = e1 err = e1
} }
......
src/pkg/syscall/zsyscall_openbsd_386.go
View file @ a7858a40
...@@ -185,8 +185,9 @@ func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) { ...@@ -185,8 +185,9 @@ func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func sendmsg(s int, msg *Msghdr, flags int) (err error) { func sendmsg(s int, msg *Msghdr, flags int) (n int, err error) {
_, _, e1 := Syscall(SYS_SENDMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags)) r0, _, e1 := Syscall(SYS_SENDMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags))
n = int(r0)
if e1 != 0 { if e1 != 0 {
err = e1 err = e1
} }
......
src/pkg/syscall/zsyscall_openbsd_amd64.go
View file @ a7858a40
...@@ -185,8 +185,9 @@ func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) { ...@@ -185,8 +185,9 @@ func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func sendmsg(s int, msg *Msghdr, flags int) (err error) { func sendmsg(s int, msg *Msghdr, flags int) (n int, err error) {
_, _, e1 := Syscall(SYS_SENDMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags)) r0, _, e1 := Syscall(SYS_SENDMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags))
n = int(r0)
if e1 != 0 { if e1 != 0 {
err = e1 err = e1
} }
......
src/pkg/syscall/zsyscall_solaris_amd64.go
View file @ a7858a40
...@@ -126,8 +126,9 @@ func accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) { ...@@ -126,8 +126,9 @@ func accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) {
return return
} }
func sendmsg(s int, msg *Msghdr, flags int) (err error) { func sendmsg(s int, msg *Msghdr, flags int) (n int, err error) {
_, _, e1 := sysvicall6(procsendmsg.Addr(), 3, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags), 0, 0, 0) r0, _, e1 := sysvicall6(procsendmsg.Addr(), 3, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags), 0, 0, 0)
n = int(r0)
if e1 != 0 { if e1 != 0 {
err = e1 err = e1
} }
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment