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windows: Implement WaitForMultipleObjects

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This is a very classic and highly useful Windows API that I'm surprised
it's still not here.

Change-Id: If54319099cd94dd727126c579dd5a681979321cd
Reviewed-on: https://go-review.googlesource.com/c/160937
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
This commit is contained in:
Jason A. Donenfeld
2019-02-04 10:32:48 +00:00
committed by Alex Brainman
parent 7ae0202eb7
commit 980327fe3c
2 changed files with 33 additions and 0 deletions
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windows/zsyscall_windows.go
+20
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@@ -112,6 +112,7 @@ var (
procGetProcessTimes = modkernel32.NewProc("GetProcessTimes")
procDuplicateHandle = modkernel32.NewProc("DuplicateHandle")
procWaitForSingleObject = modkernel32.NewProc("WaitForSingleObject")
procWaitForMultipleObjects = modkernel32.NewProc("WaitForMultipleObjects")
procGetTempPathW = modkernel32.NewProc("GetTempPathW")
procCreatePipe = modkernel32.NewProc("CreatePipe")
procGetFileType = modkernel32.NewProc("GetFileType")
@@ -1084,6 +1085,25 @@ func WaitForSingleObject(handle Handle, waitMilliseconds uint32) (event uint32,
return
}
func waitForMultipleObjects(count uint32, handles uintptr, waitAll bool, waitMilliseconds uint32) (event uint32, err error) {
var _p0 uint32
if waitAll {
_p0 = 1
} else {
_p0 = 0
}
r0, _, e1 := syscall.Syscall6(procWaitForMultipleObjects.Addr(), 4, uintptr(count), uintptr(handles), uintptr(_p0), uintptr(waitMilliseconds), 0, 0)
event = uint32(r0)
if event == 0xffffffff {
if e1 != 0 {
err = errnoErr(e1)
} else {
err = syscall.EINVAL
}
}
return
}
func GetTempPath(buflen uint32, buf *uint16) (n uint32, err error) {
r0, _, e1 := syscall.Syscall(procGetTempPathW.Addr(), 2, uintptr(buflen), uintptr(unsafe.Pointer(buf)), 0)
n = uint32(r0)