int
main(int argc, char *argv[])
{
START(argc, argv, "win_mmap");
if (argc != 2)
UT_FATAL("usage: %s file", argv[0]);
int fd = OPEN(argv[1], O_RDWR);
int fd_ro = OPEN(argv[1], O_RDONLY);
POSIX_FALLOCATE(fd, 0, FILE_SIZE);
test_mmap_flags(fd);
test_mmap_len(fd);
test_mmap_hint(fd);
test_mmap_fixed(fd);
test_mmap_anon(fd);
test_mmap_shared(fd);
test_mmap_prot(fd, fd_ro);
test_mmap_prot_anon();
test_munmap(fd);
test_msync(fd);
test_mprotect(fd, fd_ro);
test_mprotect_anon();
CLOSE(fd_ro);
CLOSE(fd);
DONE(NULL);
}
int main(int argc, char *argv[])
{
int err;
int fd;
void *p;
test_init(argc, argv);
struct sigaction sa = {
.sa_sigaction = sig_handler,
.sa_flags = SA_SIGINFO,
};
err = sigaction(SIGSEGV, &sa, NULL);
if (err)
FAIL("Can't install SIGSEGV handler: %s", strerror(errno));
hpage_size = check_hugepagesize();
fd = hugetlbfs_unlinked_fd();
if (fd < 0)
FAIL("hugetlbfs_unlinked_fd()");
verbose_printf("instantiating page\n");
p = mmap(NULL, 2*hpage_size, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
if (p == MAP_FAILED)
FAIL("mmap(): %s", strerror(errno));
memset(p, 0, hpage_size);
munmap(p, hpage_size);
/* Basic protection change tests */
test_mprotect(fd, "R->RW", hpage_size, PROT_READ,
hpage_size, PROT_READ|PROT_WRITE);
test_mprotect(fd, "RW->R", hpage_size, PROT_READ|PROT_WRITE,
hpage_size, PROT_READ);
/* Tests which require VMA splitting */
test_mprotect(fd, "R->RW 1/2", 2*hpage_size, PROT_READ,
hpage_size, PROT_READ|PROT_WRITE);
test_mprotect(fd, "RW->R 1/2", 2*hpage_size, PROT_READ|PROT_WRITE,
hpage_size, PROT_READ);
/* PROT_NONE tests */
test_mprotect(fd, "NONE->R", hpage_size, PROT_NONE,
hpage_size, PROT_READ);
test_mprotect(fd, "NONE->RW", hpage_size, PROT_NONE,
hpage_size, PROT_READ|PROT_WRITE);
PASS();
}
