| /******************************************************************************/ |
| /* Copyright (c) Crackerjack Project., 2007-2008 ,Hitachi, Ltd */ |
| /* Author(s): Takahiro Yasui <takahiro.yasui.mp@hitachi.com>, */ |
| /* Yumiko Sugita <yumiko.sugita.yf@hitachi.com>, */ |
| /* Satoshi Fujiwara <sa-fuji@sdl.hitachi.co.jp> */ |
| /* */ |
| /* This program is free software; you can redistribute it and/or modify */ |
| /* it under the terms of the GNU General Public License as published by */ |
| /* the Free Software Foundation; either version 2 of the License, or */ |
| /* (at your option) any later version. */ |
| /* */ |
| /* This program 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 General Public License for more details. */ |
| /* */ |
| /* You should have received a copy of the GNU General Public License */ |
| /* along with this program; if not, write to the Free Software */ |
| /* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ |
| /* */ |
| /******************************************************************************/ |
| /******************************************************************************/ |
| /* */ |
| /* File: ppoll01.c */ |
| /* */ |
| /* Description: This tests the ppoll01() syscall */ |
| /* */ |
| /* */ |
| /* */ |
| /* */ |
| /* */ |
| /* */ |
| /* Usage: <for command-line> */ |
| /* ppoll01 [-c n] [-e][-i n] [-I x] [-p x] [-t] */ |
| /* where, -c n : Run n copies concurrently. */ |
| /* -e : Turn on errno logging. */ |
| /* -i n : Execute test n times. */ |
| /* -I x : Execute test for x seconds. */ |
| /* -P x : Pause for x seconds between iterations. */ |
| /* -t : Turn on syscall timing. */ |
| /* */ |
| /* Total Tests: 1 */ |
| /* */ |
| /* Test Name: ppoll01 */ |
| /* History: Porting from Crackerjack to LTP is done by */ |
| /* Manas Kumar Nayak maknayak@in.ibm.com> */ |
| /******************************************************************************/ |
| #ifndef _GNU_SOURCE |
| #define _GNU_SOURCE |
| #endif |
| |
| #include <sys/syscall.h> |
| #include <sys/types.h> |
| #include <sys/select.h> |
| #include <sys/wait.h> |
| #include <getopt.h> |
| #include <string.h> |
| #include <stdlib.h> |
| #include <errno.h> |
| #include <stdio.h> |
| #include <unistd.h> |
| #include <fcntl.h> |
| #include <libgen.h> |
| #include <limits.h> |
| #include <signal.h> |
| #include <poll.h> |
| |
| #include "../utils/include_j_h.h" |
| #include "../utils/common_j_h.c" |
| |
| #include "ltp_signal.h" |
| #include "test.h" |
| #include "linux_syscall_numbers.h" |
| |
| /* Older versions of glibc don't publish this constant's value. */ |
| #ifndef POLLRDHUP |
| #define POLLRDHUP 0x2000 |
| #endif |
| |
| char *TCID = "ppoll01"; |
| int testno; |
| int TST_TOTAL = 1; |
| |
| void sighandler(int sig) |
| { |
| if (sig == SIGINT) |
| return; |
| else |
| tst_brkm(TBROK, NULL, "received unexpected signal %d", sig); |
| } |
| |
| void cleanup(void) |
| { |
| |
| tst_rmdir(); |
| } |
| |
| void setup(void) |
| { |
| tst_sig(FORK, sighandler, cleanup); |
| |
| TEST_PAUSE; |
| tst_tmpdir(); |
| } |
| |
| /* |
| * Macros |
| */ |
| #define SYSCALL_NAME "ppoll" |
| |
| /* |
| * Global variables |
| */ |
| |
| enum test_type { |
| NORMAL, |
| MASK_SIGNAL, |
| TIMEOUT, |
| FD_ALREADY_CLOSED, |
| SEND_SIGINT, |
| SEND_SIGINT_RACE_TEST, |
| INVALID_NFDS, |
| INVALID_FDS, |
| MINUS_NSEC, |
| TOO_LARGE_NSEC, |
| }; |
| |
| /* |
| * Data Structure |
| */ |
| struct test_case { |
| short expect_revents; |
| int ttype; |
| int ret; |
| int err; |
| }; |
| |
| /* Test cases |
| * |
| * test status of errors on man page |
| * |
| * EBADF can't check because EBADF never happen even though |
| * fd was invalid. In this case, information of invalid |
| * fd is set in revents |
| * EFAULT v ('fds' array in the invalid address space) |
| * EINTR v (a non blocked signal was caught) |
| * EINVAL v ('nfds' is over the 'RLIMIT_NOFILE' value) |
| * ENOMEM can't check because it's difficult to create no-memory |
| */ |
| |
| static struct test_case tcase[] = { |
| { // case00 |
| .ttype = NORMAL, |
| .expect_revents = POLLIN | POLLOUT, |
| .ret = 0, |
| .err = 0, |
| }, |
| { // case01 |
| .ttype = MASK_SIGNAL, |
| .expect_revents = 0, // don't care |
| .ret = 0, |
| .err = 0, |
| }, |
| { // case02 |
| .ttype = TIMEOUT, |
| .expect_revents = 0, // don't care |
| .ret = 0, |
| .err = 0, |
| }, |
| { // case03 |
| .ttype = FD_ALREADY_CLOSED, |
| .expect_revents = POLLNVAL, |
| .ret = 0,.err = 0, |
| }, |
| { // case04 |
| .ttype = SEND_SIGINT, |
| .ret = -1, |
| .err = EINTR, |
| }, |
| { // case05 |
| .ttype = SEND_SIGINT_RACE_TEST, |
| .ret = -1, |
| .err = EINTR, |
| }, |
| { // case06 |
| .ttype = INVALID_NFDS, |
| .ret = -1, |
| .err = EINVAL, |
| }, |
| { // case07 |
| .ttype = INVALID_FDS, |
| .ret = -1, |
| .err = EFAULT,}, |
| #if 0 |
| { // case08 |
| .ttype = MINUS_NSEC, |
| .ret = -1, |
| .err = EINVAL, // RHEL4U1 + 2.6.18 returns SUCCESS |
| }, |
| { // case09 |
| .ttype = TOO_LARGE_NSEC, |
| .ret = -1, |
| .err = EINVAL, // RHEL4U1 + 2.6.18 returns SUCCESS |
| }, |
| #endif |
| }; |
| |
| #define NUM_TEST_FDS 1 |
| |
| /* |
| * do_test() |
| * |
| * Input : TestCase Data |
| * Return : RESULT_OK(0), RESULT_NG(1) |
| * |
| */ |
| |
| static int do_test(struct test_case *tc) |
| { |
| int sys_ret, sys_errno; |
| int result = RESULT_OK; |
| int fd = -1, cmp_ok = 1; |
| char fpath[PATH_MAX]; |
| struct pollfd *p_fds, fds[NUM_TEST_FDS]; |
| unsigned int nfds = NUM_TEST_FDS; |
| struct timespec *p_ts, ts; |
| sigset_t *p_sigmask, sigmask; |
| pid_t pid = 0; |
| |
| TEST(fd = setup_file(".", "test.file", fpath)); |
| if (fd < 0) |
| return 1; |
| fds[0].fd = fd; |
| fds[0].events = POLLIN | POLLPRI | POLLOUT | POLLRDHUP; |
| fds[0].revents = 0; |
| p_fds = fds; |
| p_ts = NULL; |
| p_sigmask = NULL; |
| |
| switch (tc->ttype) { |
| case TIMEOUT: |
| nfds = 0; |
| ts.tv_sec = 0; |
| ts.tv_nsec = 50000000; // 50msec |
| p_ts = &ts; |
| break; |
| case FD_ALREADY_CLOSED: |
| TEST(close(fd)); |
| fd = -1; |
| TEST(cleanup_file(fpath)); |
| break; |
| case MASK_SIGNAL: |
| TEST(sigemptyset(&sigmask)); |
| TEST(sigaddset(&sigmask, SIGINT)); |
| p_sigmask = &sigmask; |
| nfds = 0; |
| ts.tv_sec = 0; |
| ts.tv_nsec = 300000000; // 300msec => need to be enough for |
| // waiting the signal |
| p_ts = &ts; |
| // fallthrough |
| case SEND_SIGINT: |
| nfds = 0; |
| pid = create_sig_proc(100000, SIGINT, UINT_MAX); // 100msec |
| if (pid < 0) |
| return 1; |
| break; |
| case SEND_SIGINT_RACE_TEST: |
| /* block the INT signal */ |
| sigemptyset(&sigmask); |
| sigaddset(&sigmask, SIGINT); |
| sigprocmask(SIG_SETMASK, &sigmask, NULL); |
| |
| /* and let it be unblocked when the syscall runs */ |
| sigemptyset(&sigmask); |
| p_sigmask = &sigmask; |
| nfds = 0; |
| ts.tv_sec = 0; |
| ts.tv_nsec = 300000000; // 300msec => need to be enough for |
| // waiting the signal |
| p_ts = &ts; |
| nfds = 0; |
| pid = create_sig_proc(0, SIGINT, 1); |
| if (pid < 0) { |
| result = 1; |
| goto cleanup; |
| } |
| break; |
| case INVALID_NFDS: |
| //nfds = RLIMIT_NOFILE + 1; //==> RHEL4U1 + 2.6.18 returns SUCCESS |
| nfds = -1; |
| break; |
| case INVALID_FDS: |
| p_fds = (void *)0xc0000000; |
| break; |
| case MINUS_NSEC: |
| ts.tv_sec = 0; |
| ts.tv_nsec = -1; |
| p_ts = &ts; |
| break; |
| case TOO_LARGE_NSEC: |
| ts.tv_sec = 0; |
| ts.tv_nsec = 1000000000; |
| p_ts = &ts; |
| break; |
| } |
| |
| /* |
| * Execute system call |
| */ |
| errno = 0; |
| sys_ret = ltp_syscall(__NR_ppoll, p_fds, nfds, p_ts, p_sigmask, |
| SIGSETSIZE); |
| sys_errno = errno; |
| if (sys_ret <= 0 || tc->ret < 0) |
| goto TEST_END; |
| |
| cmp_ok = fds[0].revents == tc->expect_revents; |
| tst_resm(TINFO, "EXPECT: revents=0x%04x", tc->expect_revents); |
| tst_resm(TINFO, "RESULT: revents=0x%04x", fds[0].revents); |
| |
| TEST_END: |
| /* |
| * Check results |
| */ |
| if (tc->ttype == SEND_SIGINT_RACE_TEST) { |
| int sig; |
| sigprocmask(SIG_SETMASK, NULL, &sigmask); |
| for (sig = 1; sig < SIGRTMAX; sig++) { |
| TEST(sigismember(&sigmask, sig)); |
| if (TEST_RETURN < 0 && TEST_ERRNO == EINVAL |
| && sig != SIGINT) |
| continue; /* let's ignore errors if they are for other signal than SIGINT that we set */ |
| if ((sig == SIGINT) != (TEST_RETURN != 0)) { |
| tst_resm(TFAIL, |
| "Bad value of signal mask, signal %d is %s", |
| sig, TEST_RETURN ? "on" : "off"); |
| cmp_ok |= 1; |
| } |
| } |
| } |
| result |= (sys_errno != tc->err) || !cmp_ok; |
| PRINT_RESULT_CMP(sys_ret >= 0, tc->ret, tc->err, sys_ret, sys_errno, |
| cmp_ok); |
| cleanup: |
| if (fd >= 0) { |
| close(fd); |
| cleanup_file(fpath); |
| } |
| |
| sigemptyset(&sigmask); |
| sigprocmask(SIG_SETMASK, &sigmask, NULL); |
| if (pid > 0) { |
| int st; |
| kill(pid, SIGTERM); |
| wait(&st); |
| } |
| return result; |
| } |
| |
| /* |
| * main() |
| */ |
| |
| int main(int ac, char **av) |
| { |
| int i; |
| int ret; |
| |
| setup(); |
| |
| ret = 0; |
| |
| for (i = 0; ret == 0 && i < (sizeof(tcase) / sizeof(tcase[0])); i++) { |
| tst_resm(TINFO, "(case%02d) START", i); |
| ret = do_test(&tcase[i]); |
| tst_resm(TINFO, "(case%02d) END => %s", i, (ret == 0) ? "OK" |
| : "NG"); |
| } |
| cleanup(); |
| tst_exit(); |
| } |