mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
27 lines
612 B
Solidity
27 lines
612 B
Solidity
contract C {
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uint x;
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bool lock;
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modifier mutex {
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require(!lock);
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lock = true;
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_;
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lock = false;
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}
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function set(uint _x) mutex public {
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x = _x;
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}
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function f(address _a) mutex public {
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uint y = x;
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_a.call("aaaaa");
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assert(y == x); // should hold
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}
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}
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// ====
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// SMTEngine: all
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// ----
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// Warning 9302: (218-234='_a.call("aaaaa")'): Return value of low-level calls not used.
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// Info 1180: Reentrancy property(ies) for :C:\n((lock' || !lock) && (<errorCode> <= 0) && (!lock || ((x' + ((- 1) * x)) = 0)))\n<errorCode> = 0 -> no errors\n<errorCode> = 1 -> Assertion failed at assert(y == x)\n
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