diff options
Diffstat (limited to 'sysdeps/unix')
| -rw-r--r-- | sysdeps/unix/sysv/linux/Makefile | 2 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/test-errno-linux.c (renamed from sysdeps/unix/sysv/linux/test-errno.c) | 46 |
2 files changed, 41 insertions, 7 deletions
diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile index 6b7aa3fdf8..1872cdb179 100644 --- a/sysdeps/unix/sysv/linux/Makefile +++ b/sysdeps/unix/sysv/linux/Makefile @@ -43,7 +43,7 @@ sysdep_headers += sys/mount.h sys/acct.h sys/sysctl.h \ bits/mman-linux.h tests += tst-clone tst-clone2 tst-fanotify tst-personality tst-quota \ - tst-sync_file_range test-errno + tst-sync_file_range test-errno-linux # Generate the list of SYS_* macros for the system calls (__NR_* macros). diff --git a/sysdeps/unix/sysv/linux/test-errno.c b/sysdeps/unix/sysv/linux/test-errno-linux.c index ab3735fe87..03a74bd6a1 100644 --- a/sysdeps/unix/sysv/linux/test-errno.c +++ b/sysdeps/unix/sysv/linux/test-errno-linux.c @@ -1,4 +1,5 @@ /* Test that failing system calls do set errno to the correct value. + Linux sycalls version. Copyright (C) 2017 Free Software Foundation, Inc. This file is part of the GNU C Library. @@ -72,27 +73,55 @@ rtype ret = syscall (__VA_ARGS__); \ int err = errno; \ int fail; \ - if (ret == (rtype) -1 && err == experr) \ + if ((ret == (rtype) -1) && (err == experr)) \ fail = 0; \ else \ { \ fail = 1; \ if (ret != (rtype) -1) \ printf ("FAIL: " #syscall ": didn't fail as expected" \ - " (return "prtype")\n", ret); \ + " (return "prtype")\n", ret); \ else if (err == 0xdead) \ - puts("FAIL: " #syscall ": didn't update errno\n"); \ + puts ("FAIL: " #syscall ": didn't update errno"); \ else if (err != experr) \ printf ("FAIL: " #syscall \ - ": errno is: %d (%s) expected: %d (%s)\n", \ - err, strerror (err), experr, strerror (experr)); \ + ": errno is: %d (%s) expected: %d (%s)\n", \ + err, strerror (err), experr, strerror (experr));\ } \ fail; \ })) +#define test_wrp_rv2(rtype, prtype, experr1, experr2, syscall, ...) \ + (__extension__ ({ \ + errno = 0xdead; \ + rtype ret = syscall (__VA_ARGS__); \ + int err = errno; \ + int fail; \ + if ((ret == (rtype) -1) && ((err == experr1) || (err == experr2))) \ + fail = 0; \ + else \ + { \ + fail = 1; \ + if (ret != (rtype) -1) \ + printf ("FAIL: " #syscall ": didn't fail as expected" \ + " (return "prtype")\n", ret); \ + else if (err == 0xdead) \ + puts ("FAIL: " #syscall ": didn't update errno"); \ + else if (err != experr1 && err != experr2) \ + printf ("FAIL: " #syscall \ + ": errno is: %d (%s) expected: %d (%s) or %d (%s)\n", \ + err, strerror (err), experr1, strerror (experr1), \ + experr2, strerror (experr2)); \ + } \ + fail; \ + })) + #define test_wrp(experr, syscall, ...) \ test_wrp_rv(int, "%d", experr, syscall, __VA_ARGS__) +#define test_wrp2(experr1, experr2, syscall, ...) \ + test_wrp_rv2(int, "%d", experr1, experr2, syscall, __VA_ARGS__) + static int do_test (void) { @@ -120,7 +149,12 @@ do_test (void) fails |= test_wrp (ESRCH, getpgid, -1); fails |= test_wrp (EINVAL, inotify_add_watch, -1, "/", 0); fails |= test_wrp (EINVAL, mincore, (void *) -1, 0, vec); - fails |= test_wrp (EINVAL, mlock, (void *) -1, 1); // different errors + /* mlock fails if the result of the addition addr+len was less than addr + (which indicates final address overflow), however on 32 bits binaries + running on 64 bits kernels, internal syscall address check won't result + in an invalid address and thus syscalls fails later in vma + allocation. */ + fails |= test_wrp2 (EINVAL, ENOMEM, mlock, (void *) -1, 1); fails |= test_wrp (EINVAL, nanosleep, &ts, &ts); fails |= test_wrp (EINVAL, poll, &pollfd, -1, 0); fails |= test_wrp (ENODEV, quotactl, Q_GETINFO, NULL, -1, (caddr_t) &dqblk); |