This is the mail archive of the
mailing list for the Cygwin project.
Re: ld: fatal error - cmalloc would have returned NULL
On Mar 11 15:13, Corinna Vinschen wrote:
> On Mar 11 14:53, Rainer Emrich wrote:
> > I have to be more clear. I increased the heap_chunk_in_mb to 1792 using:
> > regtool -i set /HKLM/Software/Cygwin/heap_chunk_in_mb 1792
> But that's the size of the application heap, not the size of the
> cygheap. The cygheap is used by a couple of internal datastructures
> of the cygwin DLL itself, while the application heap is used for malloc.
> So you raised the size of the application heap, probably not to 1792
> Megs, but the next lower allocation possible (cygwin decrements the size
> in 1MB steps until the allocation succeeds.
> That's weird. malloc uses mmap, but only for allocations beyond 128K.
Actually mmap is only used if you try to malloc >= 256K.
> Since ld only allocates 64K chunks, it doesn't look like mmap is called
> from malloc. OTOH, if raising the heap size helps, how do the
> zillions of mmap calls into this picture?!?
Corinna Vinschen Please, send mails regarding Cygwin to
Cygwin Project Co-Leader cygwin AT cygwin DOT com
Problem reports: http://cygwin.com/problems.html
Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple