public static void CreateDump(string path, MiniDumpType miniDumpType)
{
var exceptionInfo = new MiniDumpExceptionInfo
{
ThreadId = GetCurrentThreadId(),
ExceptionPointers = Marshal.GetExceptionPointers(),
ClientPointers = false // false because own process
};
Process process = Process.GetCurrentProcess();
using (var stream = new FileStream(path, FileMode.Create))
{
Debug.Assert(stream.SafeFileHandle != null);
// The problem Marshal.GetExceptionPointers can return null on x86 machines due to differences
// in low-level exception handling.
// Then passing a MiniDumpExceptionInfo structure with a NULL ExceptionPointers members causes an
// access violation. So we only pass this structure if we got a valid ExceptionPointers member.
// It will probably result that x86 machines will see the instruction pointer to the MiniDumpWriteDump
// line and not the exception itself.
IntPtr exceptionInfoPtr = Marshal.AllocHGlobal(Marshal.SizeOf(exceptionInfo));
Marshal.StructureToPtr(exceptionInfo, exceptionInfoPtr, false);
try
{
MiniDumpWriteDump(
process.Handle,
process.Id,
stream.SafeFileHandle.DangerousGetHandle(),
miniDumpType,
exceptionInfo.ExceptionPointers == IntPtr.Zero ? IntPtr.Zero : exceptionInfoPtr,
IntPtr.Zero,
IntPtr.Zero);
}
catch (Exception /*exception*/)
{
}
Marshal.FreeHGlobal(exceptionInfoPtr);
}
}
public static extern bool MiniDumpWriteDump(IntPtr hProcess, uint ProcessId,
SafeFileHandle hFile, MiniDumpType DumpType,
ref MiniDumpExceptionInfo ExceptionParam, IntPtr UserStreamParam,
IntPtr CallbackParam);
public static extern bool MiniDumpWriteDump(IntPtr hProcess, uint ProcessId, SafeFileHandle hFile, MiniDumpType DumpType, ref MiniDumpExceptionInfo ExceptionParam, IntPtr UserStreamParam, IntPtr CallbackParam);
