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Use mksyscall_windows.go from $GOROOT

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This commit is contained in:
Veniamin Albaev
2017-03-09 10:46:44 +03:00
parent 48d7240ab8
commit 4da3278c95
3 changed files with 32 additions and 878 deletions
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37
zsyscall_windows.go
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@@ -11,6 +11,31 @@ import (
var _ unsafe.Pointer
// Do the interface allocations only once for common
// Errno values.
const (
errnoERROR_IO_PENDING = 997
)
var (
errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING)
)
// errnoErr returns common boxed Errno values, to prevent
// allocations at runtime.
func errnoErr(e syscall.Errno) error {
switch e {
case 0:
return nil
case errnoERROR_IO_PENDING:
return errERROR_IO_PENDING
}
// TODO: add more here, after collecting data on the common
// error values see on Windows. (perhaps when running
// all.bat?)
return e
}
var (
modadvapi32 = windows.NewLazySystemDLL("advapi32.dll")
modkernel32 = windows.NewLazySystemDLL("kernel32.dll")
@@ -38,7 +63,7 @@ func getCommState(handle syscall.Handle, dcb *dcb) (err error) {
r1, _, e1 := syscall.Syscall(procGetCommState.Addr(), 2, uintptr(handle), uintptr(unsafe.Pointer(dcb)), 0)
if r1 == 0 {
if e1 != 0 {
err = error(e1)
err = errnoErr(e1)
} else {
err = syscall.EINVAL
}
@@ -50,7 +75,7 @@ func setCommState(handle syscall.Handle, dcb *dcb) (err error) {
r1, _, e1 := syscall.Syscall(procSetCommState.Addr(), 2, uintptr(handle), uintptr(unsafe.Pointer(dcb)), 0)
if r1 == 0 {
if e1 != 0 {
err = error(e1)
err = errnoErr(e1)
} else {
err = syscall.EINVAL
}
@@ -62,7 +87,7 @@ func setCommTimeouts(handle syscall.Handle, timeouts *commTimeouts) (err error)
r1, _, e1 := syscall.Syscall(procSetCommTimeouts.Addr(), 2, uintptr(handle), uintptr(unsafe.Pointer(timeouts)), 0)
if r1 == 0 {
if e1 != 0 {
err = error(e1)
err = errnoErr(e1)
} else {
err = syscall.EINVAL
}
@@ -99,7 +124,7 @@ func createEvent(eventAttributes *uint32, manualReset bool, initialState bool, n
handle = syscall.Handle(r0)
if handle == 0 {
if e1 != 0 {
err = error(e1)
err = errnoErr(e1)
} else {
err = syscall.EINVAL
}
@@ -111,7 +136,7 @@ func resetEvent(handle syscall.Handle) (err error) {
r1, _, e1 := syscall.Syscall(procResetEvent.Addr(), 1, uintptr(handle), 0, 0)
if r1 == 0 {
if e1 != 0 {
err = error(e1)
err = errnoErr(e1)
} else {
err = syscall.EINVAL
}
@@ -129,7 +154,7 @@ func getOverlappedResult(handle syscall.Handle, overlapEvent *syscall.Overlapped
r1, _, e1 := syscall.Syscall6(procGetOverlappedResult.Addr(), 4, uintptr(handle), uintptr(unsafe.Pointer(overlapEvent)), uintptr(unsafe.Pointer(n)), uintptr(_p0), 0, 0)
if r1 == 0 {
if e1 != 0 {
err = error(e1)
err = errnoErr(e1)
} else {
err = syscall.EINVAL
}