static void verify_epoll_create1(void)
{
int fd, coe;
fd = tst_syscall(__NR_epoll_create1, 0);
if (fd == -1)
tst_brk(TFAIL | TERRNO, "epoll_create1(0) failed");
coe = SAFE_FCNTL(fd, F_GETFD);
if (coe & FD_CLOEXEC)
tst_brk(TFAIL, "flags=0 set close-on-exec flag");
SAFE_CLOSE(fd);
fd = tst_syscall(__NR_epoll_create1, EPOLL_CLOEXEC);
if (fd == -1)
tst_brk(TFAIL | TERRNO, "epoll_create1(EPOLL_CLOEXEC) failed");
coe = SAFE_FCNTL(fd, F_GETFD);
if ((coe & FD_CLOEXEC) == 0)
tst_brk(TFAIL, "flags=EPOLL_CLOEXEC didn't set close-on-exec");
SAFE_CLOSE(fd);
tst_res(TPASS, "epoll_create1(EPOLL_CLOEXEC) PASSED");
}
void run(unsigned int test)
{
TEST(tst_syscall(__NR_ustat, *tc[test].dev, tc[test].buf));
if ((TST_RET == -1) && (TST_ERR == tc[test].exp_errno))
tst_res(TPASS | TTERRNO, "ustat(2) expected failure");
else
tst_res(TFAIL | TTERRNO,
"ustat(2) failed to produce expected error; %d, errno"
": %s", tc[test].exp_errno, tc[test].exp_errval);
}
static void verify_getrandom(void)
{
char buf[128];
struct rlimit lold, lnew;
SAFE_GETRLIMIT(RLIMIT_NOFILE, &lold);
lnew.rlim_max = lold.rlim_max;
lnew.rlim_cur = 3;
SAFE_SETRLIMIT(RLIMIT_NOFILE, &lnew);
TEST(tst_syscall(__NR_getrandom, buf, 100, 0));
if (TST_RET == -1)
tst_res(TFAIL | TTERRNO, "getrandom failed");
else
tst_res(TPASS, "getrandom returned %ld", TST_RET);
SAFE_SETRLIMIT(RLIMIT_NOFILE, &lold);
}
static void setup(void)
{
if (opt_fsizestr)
testfile_size = SAFE_STRTOL(opt_fsizestr, 1, INT_MAX);
if (access(PROC_IO_FNAME, F_OK))
tst_brk(TCONF, "Requires " PROC_IO_FNAME);
has_file(DROP_CACHES_FNAME, 1);
has_file(MEMINFO_FNAME, 1);
/* check if readahead is supported */
tst_syscall(__NR_readahead, 0, 0, 0);
pagesize = getpagesize();
setup_readahead_length();
tst_res(TINFO, "readahead length: %d", readahead_length);
setup_overlay();
}
static void verify_add_key(unsigned int i)
{
#ifdef HAVE_LINUX_KEYCTL_H
TEST(tst_syscall(__NR_add_key, tcases[i].type, tcases[i].desc,
tcases[i].payload, tcases[i].plen,
KEY_SPEC_USER_KEYRING));
if (TEST_RETURN != -1) {
tst_res(TFAIL, "add_key() passed unexpectedly");
return;
}
if (TEST_ERRNO == tcases[i].exp_errno) {
tst_res(TPASS | TTERRNO, "add_key() failed expectedly");
return;
}
tst_res(TFAIL | TTERRNO,
"add_key() failed unexpectedly, expected %s",
tst_strerrno(tcases[i].exp_errno));
#else
tst_brk(TCONF, "linux/keyctl.h was missing upon compilation.");
#endif /* HAVE_LINUX_KEYCTL_H */
}
int sys_memfd_create(const char *name, unsigned int flags)
{
return tst_syscall(__NR_memfd_create, name, flags);
}
