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