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fix(session): allow compiling for ARM64 #13

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fix(session): allow compiling for ARM64 #13

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7 changes: 6 additions & 1 deletion session.go
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Original file line number Diff line number Diff line change
Expand Up @@ -14,8 +14,10 @@ package etw
#cgo LDFLAGS: -ltdh

#include "session.h"
#include "stdint.h"
*/
import "C"

import (
"fmt"
"math/rand"
Expand Down Expand Up @@ -322,7 +324,10 @@ func (s *Session) processEvents(callbackContextKey uintptr) error {
(C.LPWSTR)(unsafe.Pointer(&s.etwSessionName[0])),
(C.PVOID)(callbackContextKey),
)
if C.INVALID_PROCESSTRACE_HANDLE == traceHandle {
// Based on the API docs:
// (INVALID_PROCESSTRACE_HANDLE is equivalent to (UINT64)UINTPTR_MAX.)
// Ref: https://learn.microsoft.com/en-us/windows/win32/api/evntrace/nf-evntrace-opentracea
if uint64(C.UINTPTR_MAX) == uint64(traceHandle) {
return fmt.Errorf("OpenTraceW failed; %w", windows.GetLastError())
}

Expand Down