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windows: add EnumProcesses function

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See https://docs.microsoft.com/en-us/windows/win32/api/psapi/nf-psapi-enumprocesses

Change-Id: Ibccb0c3d8e4f32857547ee6d072d0b1cb2430366
Reviewed-on: https://go-review.googlesource.com/c/sys/+/205197
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:
Tobias Klauser
2019-11-04 10:14:41 +01:00
committed by Tobias Klauser
parent f43be2a459
commit e8c54fb511
2 changed files with 21 additions and 0 deletions
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3
windows/syscall_windows.go
View File

@@ -314,6 +314,9 @@ func NewCallbackCDecl(fn interface{}) uintptr {
//sys rtlGetVersion(info *OsVersionInfoEx) (ret error) = ntdll.RtlGetVersion
//sys rtlGetNtVersionNumbers(majorVersion *uint32, minorVersion *uint32, buildNumber *uint32) = ntdll.RtlGetNtVersionNumbers
// Process Status API (PSAPI)
//sys EnumProcesses(processIds []uint32, bytesReturned *uint32) (err error) = psapi.EnumProcesses
// syscall interface implementation for other packages
// GetCurrentProcess returns the handle for the current process.

18
windows/zsyscall_windows.go
View File

@@ -44,6 +44,7 @@ var (
moduser32 = NewLazySystemDLL("user32.dll")
modole32 = NewLazySystemDLL("ole32.dll")
modntdll = NewLazySystemDLL("ntdll.dll")
modpsapi = NewLazySystemDLL("psapi.dll")
modws2_32 = NewLazySystemDLL("ws2_32.dll")
moddnsapi = NewLazySystemDLL("dnsapi.dll")
modiphlpapi = NewLazySystemDLL("iphlpapi.dll")
@@ -247,6 +248,7 @@ var (
procCoTaskMemFree = modole32.NewProc("CoTaskMemFree")
procRtlGetVersion = modntdll.NewProc("RtlGetVersion")
procRtlGetNtVersionNumbers = modntdll.NewProc("RtlGetNtVersionNumbers")
procEnumProcesses = modpsapi.NewProc("EnumProcesses")
procWSAStartup = modws2_32.NewProc("WSAStartup")
procWSACleanup = modws2_32.NewProc("WSACleanup")
procWSAIoctl = modws2_32.NewProc("WSAIoctl")
@@ -2758,6 +2760,22 @@ func rtlGetNtVersionNumbers(majorVersion *uint32, minorVersion *uint32, buildNum
return
}
func EnumProcesses(processIds []uint32, bytesReturned *uint32) (err error) {
var _p0 *uint32
if len(processIds) > 0 {
_p0 = &processIds[0]
}
r1, _, e1 := syscall.Syscall(procEnumProcesses.Addr(), 3, uintptr(unsafe.Pointer(_p0)), uintptr(len(processIds)), uintptr(unsafe.Pointer(bytesReturned)))
if r1 == 0 {
if e1 != 0 {
err = errnoErr(e1)
} else {
err = syscall.EINVAL
}
}
return
}
func WSAStartup(verreq uint32, data *WSAData) (sockerr error) {
r0, _, _ := syscall.Syscall(procWSAStartup.Addr(), 2, uintptr(verreq), uintptr(unsafe.Pointer(data)), 0)
if r0 != 0 {