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base: catch errors during ram_ds allocation

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Issue #1011
This commit is contained in:
Alexander Boettcher 2013-12-20 14:31:52 +01:00 committed by Norman Feske
parent b893968232
commit 22c1f8772b
1 changed files with 15 additions and 3 deletions
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18
base/src/core/ram_session_component.cc
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@ -172,6 +172,9 @@ Ram_dataspace_capability Ram_session_component::alloc(size_t ds_size, bool cache
Dataspace_component(ds_size, (addr_t)ds_addr, !cached, true, this);
} catch (Allocator::Out_of_memory) {
PWRN("Could not allocate metadata");
/* cleanup unneeded resources */
_ram_alloc->free(ds_addr);
throw Out_of_metadata();
}
@ -182,15 +185,24 @@ Ram_dataspace_capability Ram_session_component::alloc(size_t ds_size, bool cache
*/
_clear_ds(ds);
/* create native shared memory representation of dataspace */
try {
_export_ram_ds(ds);
} catch (Out_of_metadata) {
PWRN("could not export RAM dataspace of size 0x%zx", ds->size());
/* cleanup unneeded resources */
destroy(&_ds_slab, ds);
_ram_alloc->free(ds_addr);
throw Quota_exceeded();
}
if (verbose)
PDBG("ds_size=%zu, used_quota=%zu quota_limit=%zu",
ds_size, used_quota(), _quota_limit);
Dataspace_capability result = _ds_ep->manage(ds);
/* create native shared memory representation of dataspace */
_export_ram_ds(ds);
Lock::Guard lock_guard(_ref_members_lock);
/* keep track of the used quota for actual payload */
_payload += ds_size;