| /* |
| * Copyright (C) 2012 Linux Test Project, Inc. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of version 2 of the GNU General Public |
| * License as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it would be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| * |
| * Further, this software is distributed without any warranty that it |
| * is free of the rightful claim of any third person regarding |
| * infringement or the like. Any license provided herein, whether |
| * implied or otherwise, applies only to this software file. Patent |
| * licenses, if any, provided herein do not apply to combinations of |
| * this program with other software, or any other product whatsoever. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| * 02110-1301, USA. |
| */ |
| |
| /* |
| * errno tests for readahead() syscall |
| */ |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <sys/syscall.h> |
| #include <sys/socket.h> |
| #include <errno.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <unistd.h> |
| #include "config.h" |
| #include "test.h" |
| #include "usctest.h" |
| #include "safe_macros.h" |
| #include "linux_syscall_numbers.h" |
| |
| char *TCID = "readahead01"; |
| int TST_TOTAL = 1; |
| |
| option_t options[] = { |
| {NULL, NULL, NULL} |
| }; |
| |
| #if defined(__NR_readahead) |
| static void setup(void); |
| static void cleanup(void); |
| |
| static int check_ret(long expected_ret) |
| { |
| if (expected_ret == TEST_RETURN) { |
| tst_resm(TPASS, "expected ret success - " |
| "returned value = %ld", TEST_RETURN); |
| return 0; |
| } |
| tst_resm(TFAIL, "unexpected failure - " |
| "returned value = %ld, expected: %ld", |
| TEST_RETURN, expected_ret); |
| return 1; |
| } |
| |
| static int check_errno(long expected_errno) |
| { |
| if (TEST_ERRNO == expected_errno) { |
| tst_resm(TPASS | TTERRNO, "expected failure"); |
| return 0; |
| } |
| |
| if (TEST_ERRNO == 0) |
| tst_resm(TFAIL, "call succeeded unexpectedly"); |
| else |
| tst_resm(TFAIL | TTERRNO, "unexpected failure - " |
| "expected = %ld : %s, actual", |
| expected_errno, strerror(expected_errno)); |
| return 1; |
| } |
| |
| static void test_bad_fd(void) |
| { |
| char tempname[PATH_MAX] = "readahead01_XXXXXX"; |
| int fd; |
| |
| tst_resm(TINFO, "test_bad_fd -1"); |
| TEST(ltp_syscall(__NR_readahead, -1, 0, getpagesize())); |
| check_ret(-1); |
| check_errno(EBADF); |
| |
| tst_resm(TINFO, "test_bad_fd O_WRONLY"); |
| fd = mkstemp(tempname); |
| if (fd == -1) |
| tst_resm(TBROK | TERRNO, "mkstemp failed"); |
| close(fd); |
| fd = open(tempname, O_WRONLY); |
| if (fd == -1) |
| tst_resm(TBROK | TERRNO, "Failed to open testfile"); |
| TEST(ltp_syscall(__NR_readahead, fd, 0, getpagesize())); |
| check_ret(-1); |
| check_errno(EBADF); |
| close(fd); |
| unlink(tempname); |
| } |
| |
| static void test_invalid_fd(void) |
| { |
| int fd[2]; |
| |
| tst_resm(TINFO, "test_invalid_fd pipe"); |
| if (pipe(fd) < 0) |
| tst_resm(TBROK | TERRNO, "Failed to create pipe"); |
| TEST(ltp_syscall(__NR_readahead, fd[0], 0, getpagesize())); |
| check_ret(-1); |
| check_errno(EINVAL); |
| close(fd[0]); |
| close(fd[1]); |
| |
| tst_resm(TINFO, "test_invalid_fd socket"); |
| fd[0] = socket(AF_INET, SOCK_STREAM, 0); |
| if (fd[0] < 0) |
| tst_resm(TBROK | TERRNO, "Failed to create socket"); |
| TEST(ltp_syscall(__NR_readahead, fd[0], 0, getpagesize())); |
| check_ret(-1); |
| check_errno(EINVAL); |
| close(fd[0]); |
| } |
| |
| int main(int argc, char *argv[]) |
| { |
| const char *msg; |
| int lc; |
| |
| msg = parse_opts(argc, argv, options, NULL); |
| if (msg != NULL) |
| tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg); |
| |
| setup(); |
| for (lc = 0; TEST_LOOPING(lc); lc++) { |
| tst_count = 0; |
| test_bad_fd(); |
| test_invalid_fd(); |
| } |
| cleanup(); |
| tst_exit(); |
| } |
| |
| static void setup(void) |
| { |
| tst_require_root(NULL); |
| tst_tmpdir(); |
| |
| /* check if readahead syscall is supported */ |
| ltp_syscall(__NR_readahead, 0, 0, 0); |
| |
| TEST_PAUSE; |
| } |
| |
| static void cleanup(void) |
| { |
| tst_rmdir(); |
| } |
| |
| #else /* __NR_readahead */ |
| int main(void) |
| { |
| tst_brkm(TCONF, NULL, "System doesn't support __NR_readahead"); |
| } |
| #endif |