[PATCH] Add an additional relocation attempt pass to load_after_fork()

Yaakov (Cygwin/X) yselkowitz@users.sourceforge.net
Tue Mar 15 23:38:00 GMT 2011

On Sun, 2011-03-13 at 15:07 +0000, Jon TURNEY wrote:
> Attached is a patch which avoids a fork failure due to remap error in the
> specific circumstances described in my email [1], by adding an additional pass
> to load_after_fork() which forces the DLL to be relocated by VirtualAlloc()ing
> a block of memory at the load address as well.
> Hopefully it can be seen by inspection that this code doesn't change the
> behaviour of the first two passes, and so will only be changing the behaviour
> in what was an fatal error case before.

This patch causes a warning with GCC 4.5:

cc1plus: warnings being treated as errors
dll_init.cc: In member function ‘void dll_list::load_after_fork(void*)’:
dll_init.cc:328:33: error: converting to non-pointer type ‘DWORD’ from


More information about the Cygwin-patches mailing list