forked from OSchip/llvm-project
44 lines
940 B
C++
44 lines
940 B
C++
// RUN: %clang_scudo %s -o %t
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// RUN: SCUDO_OPTIONS=QuarantineSizeMb=1 %run %t 2>&1
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// Tests that the quarantine prevents a chunk from being reused right away.
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// Also tests that a chunk will eventually become available again for
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// allocation when the recycling criteria has been met.
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#include <malloc.h>
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#include <stdlib.h>
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#include <string.h>
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int main(int argc, char **argv)
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{
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void *p, *old_p;
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size_t size = 1U << 16;
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// The delayed freelist will prevent a chunk from being available right away
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p = malloc(size);
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if (!p)
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return 1;
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old_p = p;
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free(p);
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p = malloc(size);
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if (!p)
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return 1;
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if (old_p == p)
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return 1;
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free(p);
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// Eventually the chunk should become available again
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bool found = false;
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for (int i = 0; i < 0x100 && found == false; i++) {
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p = malloc(size);
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if (!p)
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return 1;
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found = (p == old_p);
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free(p);
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}
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if (found == false)
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return 1;
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return 0;
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}
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