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base: throw exception if thread creation failed

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Sanity check that the context area has been attached. Otherwise the code
later tries to access the context area and core dies with a unhandled page
fault.
This commit is contained in:
Alexander Boettcher 2012-12-03 13:02:34 +01:00 committed by Norman Feske
parent cef9af1978
commit df3c0d4786
1 changed files with 2 additions and 1 deletions
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3
base/src/base/thread/thread.cc
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@ -142,7 +142,8 @@ Thread_base::Context *Thread_base::_alloc_context(size_t stack_size)
try {
ds_cap = env_context_area_ram_session()->alloc(ds_size);
addr_t attach_addr = ds_addr - Native_config::context_area_virtual_base();
env_context_area_rm_session()->attach_at(ds_cap, attach_addr, ds_size);
if (attach_addr != (addr_t)env_context_area_rm_session()->attach_at(ds_cap, attach_addr, ds_size))
throw Stack_alloc_failed();
}
catch (Ram_session::Alloc_failed) { throw Stack_alloc_failed(); }