Commit ac309305 authored by David Schulz's avatar David Schulz Committed by hjk
Browse files

source for win64interrupt

The WinAPI funcion DebugBreakProcess must be called from the same bitness as the target process, so win64interrupt is a small 64bit executable calling this function.

Task-number: QTCREATORBUG-2521
Change-Id: I3259d505b9b228be72ca4eaca42a9cde5b4984ac
Reviewed-by: default avatarhjk <>
parent 7dbc6014
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** Contact: Nokia Corporation (
** GNU Lesser General Public License Usage
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** License version 2.1 as published by the Free Software Foundation and
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** Public License version 2.1 requirements will be met:
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#ifndef _WIN32_WINNT
#define _WIN32_WINNT 0x0501
#if _WIN32_WINNT < 0x0501
#error Must target Windows NT 5.0.1 or later for DebugBreakProcess
#include <Windows.h>
/* To debug break a 64bit application under Windows, you must call
* DebugBreakProcess() from an 64bit apllication. Therefore:
* This code must be compiled with a 64bit compiler
* Compile with one of these lines:
* gcc-64bit:
* gcc -o ..\..\..\bin\win64interrupt.exe win64interrupt.c
* cl-64bit:
* cl -o ..\..\..\bin\win64interrupt.exe win64interrupt.c
int main(int argc, char *argv[])
HANDLE proc;
BOOL break_result;
DWORD proc_id;
if (argc != 2)
return 1;
proc_id = strtoul(argv[1], NULL, 0);
if (proc_id == 0)
return 2;
proc = OpenProcess(PROCESS_ALL_ACCESS, FALSE, proc_id);
if (!proc)
return 3;
break_result = DebugBreakProcess(proc);
return !break_result;
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