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| author | Josh Bleecher Snyder <josharian@gmail.com> | 2021-11-02 11:59:56 -0700 |
|---|---|---|
| committer | Josh Bleecher Snyder <josharian@gmail.com> | 2021-11-04 00:15:18 +0000 |
| commit | be0cd9e5ec01141def07412b0ef3fa0d3f8cba9d (patch) | |
| tree | cd037f9c94f6cdfc1252b47b278e258e7a926f1e /src/syscall/syscall_unix.go | |
| parent | 604963052072d7895138c78751c477cf25625e7d (diff) | |
| download | go-be0cd9e5ec01141def07412b0ef3fa0d3f8cba9d.tar.xz | |
syscall: unify unix Sendmsg prologues
These were identical. This is a preliminary step
towards remove allocs per UDP send.
Change-Id: I21e1264c7d4747baa626ddb93afff4c1cf225d13
Reviewed-on: https://go-review.googlesource.com/c/go/+/361256
Trust: Josh Bleecher Snyder <josharian@gmail.com>
Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Diffstat (limited to 'src/syscall/syscall_unix.go')
| -rw-r--r-- | src/syscall/syscall_unix.go | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/syscall/syscall_unix.go b/src/syscall/syscall_unix.go index adc1e5dbfb..2837c976e3 100644 --- a/src/syscall/syscall_unix.go +++ b/src/syscall/syscall_unix.go @@ -324,6 +324,23 @@ func recvfromInet6(fd int, p []byte, flags int, from *SockaddrInet6) (n int, err return } +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 salen _Socklen + if to != nil { + ptr, salen, err = to.sockaddr() + if err != nil { + return 0, err + } + } + return sendmsgN(fd, p, oob, ptr, salen, flags) +} + func sendtoInet4(fd int, p []byte, flags int, to SockaddrInet4) (err error) { ptr, n, err := to.sockaddr() if err != nil { |