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