#12438: Implement brk and sbrk
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Reporter: simonsouth | Owner: nobody
Type: enhancement | Status: closed
Priority: normal | Milestone: Unscheduled
Component: System/POSIX | Version: R1/Development
Resolution: fixed | Keywords:
Blocked By: | Blocking:
Has a Patch: 0 | Platform: All
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Comment (by oco):
The new implementation of sbrk severely limit the amount of memory sbrk
can allocate. 512 Mo is impossible to allocate (see attached test). And
often 2 or three time less, depending on the position of the binary in the
address space due to ASLR.
This broke Freepascal that still use this function to allocate memory
(since BeOS era). While i can switch to mmap in a future version of
Freepascal under Haiku, i think it is a clear BeOS incompatibility.
I think the heap should be include to determine brk address (see
http://stackoverflow.com/questions/6988487/what-does-brk-system-call-do).
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Ticket URL: <https://dev.haiku-os.org/ticket/12438#comment:9>
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