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Increase initial block for cxx malloc

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This patch avoids the attempt to extend the cxx-local heap during the
startup phase of an application. Originally, the static part of the cxx
was merely 100 bytes, which did not suffice to run the minimalistic test
roottask on seL4.
This commit is contained in:
Norman Feske 2014-10-15 15:52:00 +02:00
parent 89e987b22e
commit c1cb3a6642
1 changed files with 4 additions and 5 deletions
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9
repos/base/src/base/cxx/malloc_free.cc
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@ -37,12 +37,11 @@ using namespace Genode;
static Heap *cxx_heap()
{
/*
* Exception frames are small (ca. 100 bytes). Hence, a small static
* backing store suffices for the cxx heap partition in the normal
* case. The 'env()->ram_session' is used only if the demand exceeds
* the capacity of the 'initial_block'.
* Exception frames are small. Hence, a small static backing store suffices
* for the cxx heap partition in the normal case. The 'env()->ram_session'
* is used only if the demand exceeds the capacity of the 'initial_block'.
*/
static char initial_block[512];
static char initial_block[1024*sizeof(long)];
static Heap heap(env()->ram_session(), env()->rm_session(),
Heap::UNLIMITED, initial_block, sizeof(initial_block));
return &heap;