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[CP] [to #47972546]fix bug observer core when llvm alloc memory failed and compile UDT

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seuwebber 2023-05-11 12:32:20 +00:00 committed by ob-robot
parent 869a1681a9
commit e930ec4c1c
1 changed files with 15 additions and 8 deletions
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23
src/objit/src/core/ob_jit_allocator.cpp
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@ -161,14 +161,21 @@ int ObJitMemory::protect_mapped_memory(const ObJitMemoryBlock &block,
if (OB_ISNULL(block.addr_) || 0 == block.size_ || (!p_flags)) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid argument", K(block), K(p_flags), K(ret));
} else if (0 != (tmp_ret = ::mprotect((void*)((uintptr_t)block.addr_& ~(page_size-1)),
page_size*((block.size_+page_size-1)/page_size),
p_flags))) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("jit block mprotect failed", K(block), K(errno), K(tmp_ret), K(ret),
K((uintptr_t)block.addr_& ~(page_size - 1)),
K(page_size * ((block.size_ + page_size - 1) / page_size)),
K(p_flags));
} else {
do {
tmp_ret = 0;
if (0 != (tmp_ret = ::mprotect((void*)((uintptr_t)block.addr_& ~(page_size-1)),
page_size*((block.size_+page_size-1)/page_size),
p_flags))) {
if (REACH_TIME_INTERVAL(10000000)) {
LOG_ERROR("jit block mprotect failed", K(block), K(errno), K(tmp_ret),
K((uintptr_t)block.addr_& ~(page_size - 1)),
K(page_size * ((block.size_ + page_size - 1) / page_size)),
K(p_flags));
}
}
} while (-1 == tmp_ret && 12 == errno);
// `-1 == tmp_ret` means `mprotect` failed, `12 == errno` means `Cannot allocate memory`
}
return ret;