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#include "config_for_unittests.h"
#include "base/logging.h"
#include "base/spinlock.h"
#include "check_address-inl.h"
#ifdef CHECK_ADDRESS_USES_SIGPROCMASK
#define CheckAddress CheckAddressPipes
#define FORCE_PIPES
#include "check_address-inl.h"
#undef CheckAddress
#undef FORCE_PIPES
#endif
#include "tests/testutil.h"
void* unreadable = mmap(0, getpagesize(), PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0);
static void TestFn(bool (*access_check_fn)(uintptr_t,int)) {
int pagesize = getpagesize();
CHECK(!access_check_fn(0, pagesize));
CHECK(access_check_fn(reinterpret_cast<uintptr_t>(&pagesize), pagesize));
CHECK(!access_check_fn(reinterpret_cast<uintptr_t>(unreadable), pagesize));
for (int i = (256 << 10); i > 0; i--) {
// Lets ensure that pipes access method is forced eventually to drain pipe
CHECK(noopt(access_check_fn)(reinterpret_cast<uintptr_t>(&pagesize), pagesize));
}
}
int main() {
CHECK_NE(unreadable, MAP_FAILED);
puts("Checking main access fn");
TestFn([] (uintptr_t a, int ps) {
// note, this looks odd, but we do it so that each access_check_fn
// call above reads CheckAddress freshly.
return CheckAddress(a, ps);
});
#ifdef CHECK_ADDRESS_USES_SIGPROCMASK
puts("Checking pipes access fn");
TestFn(CheckAddressPipes);
CHECK_EQ(CheckAddress, CheckAccessSingleSyscall);
puts("Checking two sigprocmask access fn");
TestFn(CheckAccessTwoSyscalls);
#endif
puts("PASS");
}