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Fix sys_mmapper_unmap_shared_memory

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elad335 2025-04-29 13:55:08 +03:00 • committed by Elad
parent 75bfc336fc
commit 1f81d42416
1 changed files with 17 additions and 9 deletions
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26
rpcs3/Emu/Cell/lv2/sys_mmapper.cpp
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@ -629,13 +629,17 @@ error_code sys_mmapper_map_shared_memory(ppu_thread& ppu, u32 addr, u32 mem_id,
return CELL_EALIGN;
}
while (!mem.shm)
for (stx::shared_ptr<std::shared_ptr<utils::shm>> to_insert, null; !mem.shm;)
{
// Insert atomically the memory handle (laziliy allocated)
auto shm = make_single_value(std::make_shared<utils::shm>(mem.size, 1 /* shareable flag */));
stx::shared_ptr<std::shared_ptr<utils::shm>> null;
if (!to_insert)
{
to_insert = make_single_value(std::make_shared<utils::shm>(mem.size, 1 /* shareable flag */));
}
if (mem.shm.compare_exchange(null, std::move(shm)))
null.reset();
if (mem.shm.compare_exchange(null, to_insert))
{
break;
}
@ -695,13 +699,17 @@ error_code sys_mmapper_search_and_map(ppu_thread& ppu, u32 start_addr, u32 mem_i
return CELL_EALIGN;
}
while (!mem.shm)
for (stx::shared_ptr<std::shared_ptr<utils::shm>> to_insert, null; !mem.shm;)
{
// Insert atomically the memory handle (laziliy allocated)
auto shm = make_single_value(std::make_shared<utils::shm>(mem.size, 1 /* shareable flag */));
stx::shared_ptr<std::shared_ptr<utils::shm>> null;
if (!to_insert)
{
to_insert = make_single_value(std::make_shared<utils::shm>(mem.size, 1 /* shareable flag */));
}
if (mem.shm.compare_exchange(null, std::move(shm)))
null.reset();
if (mem.shm.compare_exchange(null, to_insert))
{
break;
}
@ -767,7 +775,7 @@ error_code sys_mmapper_unmap_shared_memory(ppu_thread& ppu, u32 addr, vm::ptr<u3
const auto mem = idm::select<lv2_obj, lv2_memory>([&](u32 id, lv2_memory& mem) -> u32
{
if (mem.shm.load()->get() == shm.second.get())
if (auto shm0 = mem.shm.load(); shm0 && shm0->get() == shm.second.get())
{
return id;
}