commit 7e40ca221e254089b05fb9efcd69844a57f6a367
author Zhang Boyang <zhangboyang.id@gmail.com> Mon May 11 08:08:59 2020 +0000
committer Ian Lance Taylor <iant@golang.org> Mon May 11 23:29:37 2020 +0000
tree 5e4933133fa74c2db761367e8008c4a1457ad9bc
parent 6aff5f38e54f06f432ddfd9b4af5bf0de052bc08

windows: implement GetsockoptInt

Change-Id: If0b17ccaba5c5d1e07499c222eb3f4c45a094636
GitHub-Last-Rev: a0fb2fc43d8458a0eed024012018ff1e3070b9bf
GitHub-Pull-Request: golang/sys#70
Reviewed-on: https://go-review.googlesource.com/c/sys/+/233200
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>

windows/syscall_windows.go

diff --git a/windows/syscall_windows.go b/windows/syscall_windows.go
index 053d664..b3e5503 100644
--- a/windows/syscall_windows.go
+++ b/windows/syscall_windows.go
@@ -1181,7 +1181,12 @@
 	Interface uint32
 }
 
-func GetsockoptInt(fd Handle, level, opt int) (int, error) { return -1, syscall.EWINDOWS }
+func GetsockoptInt(fd Handle, level, opt int) (int, error) {
+	v := int32(0)
+	l := int32(unsafe.Sizeof(v))
+	err := Getsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&v)), &l)
+	return int(v), err
+}
 
 func SetsockoptLinger(fd Handle, level, opt int, l *Linger) (err error) {
 	sys := sysLinger{Onoff: uint16(l.Onoff), Linger: uint16(l.Linger)}