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Diffstat (limited to 'posix/test-errno.c')
| -rw-r--r-- | posix/test-errno.c | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/posix/test-errno.c b/posix/test-errno.c deleted file mode 100644 index 6aa297f837..0000000000 --- a/posix/test-errno.c +++ /dev/null @@ -1,154 +0,0 @@ -/* Test that failing system calls do set errno to the correct value. - - Copyright (C) 2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <errno.h> -#include <limits.h> -#include <grp.h> -#include <fcntl.h> -#include <stdio.h> -#include <string.h> -#include <sys/ioctl.h> -#include <sys/socket.h> -#include <sys/stat.h> -#include <sys/time.h> -#include <sys/resource.h> -#include <sys/types.h> -#include <sys/statfs.h> -#include <sys/mman.h> -#include <sys/uio.h> -#include <unistd.h> -#include <netinet/in.h> - -/* This is not an exhaustive test: only system calls that can be - persuaded to fail with a consistent error code and no side effects - are included. Usually these are failures due to invalid arguments, - with errno code EBADF or EINVAL. The order of argument checks is - unspecified, so we must take care to provide arguments that only - allow _one_ failure mode. - - Note that all system calls that can fail with EFAULT are permitted - to deliver a SIGSEGV signal instead, so we avoid supplying invalid - pointers in general, and we do not attempt to test system calls - that can only fail with EFAULT (e.g. gettimeofday, gethostname). - - Also note that root-only system calls (e.g. acct, reboot) may, when - the test is run as an unprivileged user, fail due to insufficient - privileges before bothering to do argument checks, so those are not - tested either. - - Also, system calls that take enum or a set of flags as argument is - not tested if POSIX doesn't specify exact binary values for all - flags, and so any value passed to flags may become valid. - - Some tests assume "/bin/sh" names a file that exists and is not a - directory. */ - -#define test_wrp_rv(rtype, prtype, experr, syscall, ...) \ - (__extension__ ({ \ - errno = 0xdead; \ - rtype ret = syscall (__VA_ARGS__); \ - int err = errno; \ - int fail; \ - 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); \ - else if (err == 0xdead) \ - puts("FAIL: " #syscall ": didn't update errno\n"); \ - else if (err != experr) \ - printf ("FAIL: " #syscall \ - ": errno is: %d (%s) expected: %d (%s)\n", \ - err, strerror (err), experr, strerror (experr)); \ - } \ - fail; \ - })) - -#define test_wrp(experr, syscall, ...) \ - test_wrp_rv(int, "%d", experr, syscall, __VA_ARGS__) - -static int -do_test (void) -{ - size_t pagesize = sysconf (_SC_PAGESIZE); - struct statfs sfs; - struct sockaddr sa; - socklen_t sl; - char buf[1]; - struct iovec iov[1] = { { buf, 1 } }; - struct sockaddr_in sin; - sin.sin_family = AF_INET; - sin.sin_port = htons (1026); - sin.sin_addr.s_addr = htonl (INADDR_LOOPBACK); - struct msghdr msg; - memset(&msg, 0, sizeof msg); - msg.msg_iov = iov; - msg.msg_iovlen = 1; - - int fails = 0; - fails |= test_wrp (EBADF, accept, -1, &sa, &sl); - fails |= test_wrp (EINVAL, access, "/", -1); - fails |= test_wrp (EBADF, bind, -1, (struct sockaddr *)&sin, sizeof sin); - fails |= test_wrp (ENOTDIR, chdir, "/bin/sh"); - fails |= test_wrp (EBADF, close, -1); - fails |= test_wrp (EBADF, connect, -1, (struct sockaddr *)&sin, sizeof sin); - fails |= test_wrp (EBADF, dup, -1); - fails |= test_wrp (EBADF, dup2, -1, -1); - fails |= test_wrp (EBADF, fchdir, -1); - fails |= test_wrp (EBADF, fchmod, -1, 0); - fails |= test_wrp (EBADF, fcntl, -1, 0); - fails |= test_wrp (EBADF, fstatfs, -1, &sfs); - fails |= test_wrp (EBADF, fsync, -1); - fails |= test_wrp (EBADF, ftruncate, -1, 0); - fails |= test_wrp (EINVAL, getgroups, -1, 0); - fails |= test_wrp (EBADF, getpeername, -1, &sa, &sl); - fails |= test_wrp (EBADF, getsockname, -1, &sa, &sl); - fails |= test_wrp (EBADF, getsockopt, -1, 0, 0, buf, &sl); - fails |= test_wrp (EBADF, ioctl, -1, TIOCNOTTY); - fails |= test_wrp (EBADF, listen, -1, 1); - fails |= test_wrp (EBADF, lseek, -1, 0, 0); - fails |= test_wrp (EINVAL, madvise, (void *) -1, -1, 0); - fails |= test_wrp_rv (void *, "%p", EBADF, - mmap, 0, pagesize, PROT_READ, MAP_PRIVATE, -1, 0); - fails |= test_wrp (EINVAL, mprotect, (void *) -1, pagesize, -1); - fails |= test_wrp (EINVAL, msync, (void *) -1, pagesize, -1); - fails |= test_wrp (EINVAL, munmap, (void *) -1, 0); - fails |= test_wrp (EISDIR, open, "/bin", EISDIR, O_WRONLY); - fails |= test_wrp (EBADF, read, -1, buf, 1); - fails |= test_wrp (EINVAL, readlink, "/", buf, -1); - fails |= test_wrp (EBADF, readv, -1, iov, 1); - fails |= test_wrp (EBADF, recv, -1, buf, 1, 0); - fails |= test_wrp (EBADF, recvfrom, -1, buf, 1, 0, &sa, &sl); - fails |= test_wrp (EBADF, recvmsg, -1, &msg, 0); - fails |= test_wrp (EINVAL, select, -1, 0, 0, 0, 0); - fails |= test_wrp (EBADF, send, -1, buf, 1, 0); - fails |= test_wrp (EBADF, sendmsg, -1, &msg, 0); - fails |= test_wrp (EBADF, sendto, -1, buf, 1, 0, &sa, sl); - fails |= test_wrp (EBADF, setsockopt, -1, 0, 0, buf, sizeof (*buf)); - fails |= test_wrp (EBADF, shutdown, -1, SHUT_RD); - fails |= test_wrp (EBADF, write, -1, "Hello", sizeof ("Hello") ); - fails |= test_wrp (EBADF, writev, -1, iov, 1 ); - - return fails; -} - -#include "support/test-driver.c" |