mirrors/linux
2
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-07-22 03:27:30 -04:00
Code Issues Packages Projects Releases Wiki Activity

selftests/nolibc: test open mode handling

Browse Source 
Add a selftest for the new O_TMPFILE open mode handling.
While O_CREAT or openat() are not tested, the code is the same,
so assume these also work.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Acked-by: Willy Tarreau <w@1wt.eu>
Link: https://patch.msgid.link/20260514-nolibc-open-tmpfile-v2-4-b4c6c5efa266@weissschuh.net
This commit is contained in:
Thomas Weißschuh
2026-05-14 14:05:14 +02:00
parent 219d120c19
commit 2ee39c5fb3
1 changed files with 23 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
tools/testing/selftests/nolibc/nolibc-test.c
View File

@@ -1305,6 +1305,28 @@ int test_openat(void)
return 0;
}
int test_open_mode(void)
{
const mode_t mode = 0444;
struct stat stat_buf;
int fd, ret;
fd = open("/tmp", O_TMPFILE | O_RDWR, mode);
if (fd == -1)
return -1;
ret = fstat(fd, &stat_buf);
close(fd);
if (ret == -1)
return -1;
if ((stat_buf.st_mode & 0777) != mode)
return -1;
return 0;
}
int test_nolibc_enosys(void)
{
if (true)
@@ -1540,6 +1562,7 @@ int run_syscall(int min, int max)
CASE_TEST(open_tty); EXPECT_SYSNE(1, tmp = open("/dev/null", O_RDONLY), -1); if (tmp != -1) close(tmp); break;
CASE_TEST(open_blah); EXPECT_SYSER(1, tmp = open("/proc/self/blah", O_RDONLY), -1, ENOENT); if (tmp != -1) close(tmp); break;
CASE_TEST(openat_dir); EXPECT_SYSZR(1, test_openat()); break;
CASE_TEST(open_mode); EXPECT_SYSZR(1, test_open_mode()); break;
CASE_TEST(pipe); EXPECT_SYSZR(1, test_pipe()); break;
CASE_TEST(poll_null); EXPECT_SYSZR(1, poll(NULL, 0, 0)); break;
CASE_TEST(poll_stdout); EXPECT_SYSNE(1, ({ struct pollfd fds = { 1, POLLOUT, 0}; poll(&fds, 1, 0); }), -1); break;