| /******************************************************************************/ |
| /* 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: clock_nanosleep01.c */ |
| /* */ |
| /* Description: This tests the clock_nanosleep() syscall */ |
| /* */ |
| /* */ |
| /* */ |
| /* */ |
| /* */ |
| /* */ |
| /* Usage: <for command-line> */ |
| /* clock_nanosleep01 [-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: clock_nanosleep01 */ |
| /* History: Porting from Crackerjack to LTP is done by */ |
| /* Manas Kumar Nayak maknayak@in.ibm.com> */ |
| /******************************************************************************/ |
| #include <sys/syscall.h> |
| #include <sys/types.h> |
| #include <getopt.h> |
| #include <string.h> |
| #include <stdlib.h> |
| #include <errno.h> |
| #include <stdio.h> |
| #include <time.h> |
| #include <signal.h> |
| #include "../utils/common_j_h.c" |
| #include "../utils/include_j_h.h" |
| |
| #include "test.h" |
| #include "linux_syscall_numbers.h" |
| |
| char *TCID = "clock_nanosleep01"; |
| int testno; |
| int TST_TOTAL = 1; |
| struct sigaction act; |
| |
| /* |
| * sighandler() |
| */ |
| void sighandler(int sig) |
| { |
| if (sig == SIGINT) |
| return; |
| |
| return; |
| } |
| |
| /* Extern Global Functions */ |
| /******************************************************************************/ |
| /* */ |
| /* Function: cleanup */ |
| /* */ |
| /* Description: Performs all one time clean up for this test on successful */ |
| /* completion, premature exit or failure. Closes all temporary */ |
| /* files, removes all temporary directories exits the test with */ |
| /* appropriate return code by calling tst_exit() function. */ |
| /* */ |
| /* Input: None. */ |
| /* */ |
| /* Output: None. */ |
| /* */ |
| /* Return: On failure - Exits calling tst_exit(). Non '0' return code. */ |
| /* On success - Exits calling tst_exit(). With '0' return code. */ |
| /* */ |
| /******************************************************************************/ |
| void cleanup(void) |
| { |
| |
| tst_rmdir(); |
| |
| } |
| |
| /* Local Functions */ |
| /******************************************************************************/ |
| /* */ |
| /* Function: setup */ |
| /* */ |
| /* Description: Performs all one time setup for this test. This function is */ |
| /* typically used to capture signals, create temporary dirs */ |
| /* and temporary files that may be used in the course of this */ |
| /* test. */ |
| /* */ |
| /* Input: None. */ |
| /* */ |
| /* Output: None. */ |
| /* */ |
| /* Return: On failure - Exits by calling cleanup(). */ |
| /* On success - returns 0. */ |
| /* */ |
| /******************************************************************************/ |
| void setup(void) |
| { |
| /* Capture signals if any */ |
| act.sa_handler = sighandler; |
| sigfillset(&act.sa_mask); |
| sigaction(SIGINT, &act, NULL); |
| |
| /* Create temporary directories */ |
| TEST_PAUSE; |
| tst_tmpdir(); |
| } |
| |
| /* |
| * Macros |
| */ |
| #define SYSCALL_NAME "clock_nanosleep" |
| |
| enum test_type { |
| NORMAL, |
| NULL_POINTER, |
| SEND_SIGINT, |
| }; |
| |
| /* |
| * Data Structure |
| */ |
| struct test_case { |
| clockid_t clk_id; |
| int ttype; |
| int flags; |
| time_t sec; |
| long nsec; |
| int ret; |
| int err; |
| }; |
| |
| /* Test cases |
| * |
| * test status of errors on man page |
| * |
| * EINTR v (function was interrupted by a signal) |
| * EINVAL v (invalid tv_nsec, etc.) |
| * ENOTSUP can't check because not supported clk_id generates |
| * EINVAL |
| */ |
| |
| static struct test_case tcase[] = { |
| { // case00 |
| .clk_id = CLOCK_REALTIME, |
| .ttype = NORMAL, |
| .flags = 0, |
| .sec = 0, |
| .nsec = 500000000, // 500msec |
| .ret = 0, |
| .err = 0, |
| }, |
| { // case01 |
| .clk_id = CLOCK_MONOTONIC, |
| .ttype = NORMAL, |
| .flags = 0, |
| .sec = 0, |
| .nsec = 500000000, // 500msec |
| .ret = 0, |
| .err = 0, |
| }, |
| { // case02 |
| .ttype = NORMAL, |
| .clk_id = CLOCK_REALTIME, |
| .flags = 0, |
| .sec = 0, |
| .nsec = -1, // invalid |
| .ret = EINVAL, |
| .err = 0, |
| }, |
| { // case03 |
| .ttype = NORMAL, |
| .clk_id = CLOCK_REALTIME, |
| .flags = 0, |
| .sec = 0, |
| .nsec = 1000000000, // invalid |
| .ret = EINVAL, |
| .err = 0, |
| }, |
| { // case04 |
| .ttype = NORMAL, |
| .clk_id = CLOCK_THREAD_CPUTIME_ID, // not supported |
| .flags = 0, |
| .sec = 0, |
| .nsec = 500000000, // 500msec |
| .ret = EINVAL, // RHEL4U1 + 2.6.18 returns EINVAL |
| .err = 0, |
| }, |
| { // case05 |
| .ttype = SEND_SIGINT, |
| .clk_id = CLOCK_REALTIME, |
| .flags = 0, |
| .sec = 10, |
| .nsec = 0, |
| .ret = EINTR, |
| .err = 0, |
| }, |
| #if 0 // glibc generates SEGV error (RHEL4U1 + 2.6.18) |
| { // caseXX |
| .ttype = NULL_POINTER, |
| .clk_id = CLOCK_REALTIME, |
| .flags = 0, |
| .sec = 0, |
| .nsec = 500000000, // 500msec |
| .ret = EFAULT, |
| .err = 0, |
| }, |
| #endif |
| }; |
| |
| /* |
| * chk_difftime() |
| * Return : OK(0), NG(-1) |
| */ |
| #define MAX_MSEC_DIFF 20 |
| |
| static int chk_difftime(struct timespec *bef, struct timespec *aft, |
| time_t sec, long nsec) |
| { |
| struct timespec t; |
| time_t expect; |
| time_t result; |
| |
| t.tv_sec = aft->tv_sec - bef->tv_sec; |
| t.tv_nsec = aft->tv_nsec - bef->tv_nsec; |
| if (t.tv_nsec < 0) { |
| t.tv_sec -= 1; |
| t.tv_nsec += 1000000000; |
| } |
| expect = (sec * 1000) + (nsec / 1000000); |
| result = (t.tv_sec * 1000) + (t.tv_nsec / 1000000); |
| tst_resm(TINFO, "check sleep time: (min:%ld) < %ld < (max:%ld) (msec)", |
| expect - MAX_MSEC_DIFF, result, expect + MAX_MSEC_DIFF); |
| if (result < expect - MAX_MSEC_DIFF || result > expect + MAX_MSEC_DIFF) |
| return -1; |
| return 0; |
| } |
| |
| /* |
| * do_test() |
| * |
| * Input : TestCase Data |
| * Return : RESULT_OK(0), RESULT_NG(1) |
| * |
| */ |
| static int do_test(struct test_case *tc) |
| { |
| int sys_ret; |
| int sys_errno; |
| int result = RESULT_OK; |
| struct timespec beftp, afttp, rq, rm; |
| int rc, range_ok = 1, remain_ok = 1; |
| pid_t pid = 0; |
| |
| /* |
| * Check before sleep time |
| */ |
| if (tc->ttype == SEND_SIGINT) { |
| pid = create_sig_proc(500000, SIGINT, UINT_MAX); |
| if (pid < 0) |
| return 1; |
| } |
| |
| /* |
| * Check before sleep time |
| */ |
| TEST(rc = clock_gettime(tc->clk_id, &beftp)); |
| if (rc < 0) { |
| tst_resm(TFAIL | TTERRNO, "iclock_gettime failed"); |
| result = 1; |
| goto EXIT; |
| } |
| /* |
| * Execute system call |
| */ |
| rq.tv_sec = tc->sec; |
| rq.tv_nsec = tc->nsec; |
| // !!!CAUTION: 'clock_gettime' returns errno itself |
| errno = 0; |
| if (tc->ttype == NULL_POINTER) |
| TEST(sys_ret = |
| clock_nanosleep(tc->clk_id, tc->flags, NULL, &rm)); |
| else |
| TEST(sys_ret = |
| clock_nanosleep(tc->clk_id, tc->flags, &rq, &rm)); |
| sys_errno = errno; |
| if (sys_ret != 0) |
| goto TEST_END; |
| |
| /* |
| * Check after sleep time |
| */ |
| TEST(rc = clock_gettime(tc->clk_id, &afttp)); |
| if (TEST_RETURN < 0) { |
| EPRINTF("clock_gettime failed.\n"); |
| result = 1; |
| goto EXIT; |
| } |
| range_ok = chk_difftime(&beftp, &afttp, tc->sec, tc->nsec) == 0; |
| /* |
| * Check remaining time |
| */ |
| TEST_END: |
| if (tc->ttype == NORMAL || tc->ttype == SEND_SIGINT) { |
| tst_resm(TINFO, "remain time: %ld %ld", rm.tv_sec, rm.tv_nsec); |
| if (tc->ttype == NORMAL) |
| remain_ok = 1; |
| else |
| remain_ok = rm.tv_sec != 0 || rm.tv_nsec != 0; |
| } |
| |
| /* |
| * Check results |
| */ |
| result |= (sys_ret != tc->ret) || !range_ok || !remain_ok; |
| if (!range_ok) |
| PRINT_RESULT_EXTRA(0, tc->ret, tc->err, sys_ret, sys_errno, |
| "time range check", range_ok); |
| else |
| PRINT_RESULT_EXTRA(0, tc->ret, tc->err, sys_ret, sys_errno, |
| "remain time check", remain_ok); |
| EXIT: |
| if (pid > 0) { |
| int st; |
| TEST(kill(pid, SIGTERM)); |
| TEST(wait(&st)); |
| } |
| return result; |
| } |
| |
| /* |
| * main() |
| */ |
| |
| int main(int ac, char **av) |
| { |
| int result = RESULT_OK; |
| int i; |
| int lc; |
| const char *msg; |
| |
| if ((msg = parse_opts(ac, av, NULL, NULL)) != NULL) |
| tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg); |
| |
| setup(); |
| |
| for (lc = 0; TEST_LOOPING(lc); ++lc) { |
| |
| tst_count = 0; |
| |
| for (testno = 0; testno < TST_TOTAL; ++testno) { |
| |
| for (i = 0; i < (int)(sizeof(tcase) / sizeof(tcase[0])); |
| i++) { |
| int ret; |
| tst_resm(TINFO, "(case%02d) START", i); |
| ret = do_test(&tcase[i]); |
| tst_resm(TINFO, "(case%02d) END => %s", |
| i, (ret == 0) ? "OK" : "NG"); |
| result |= ret; |
| } |
| |
| switch (result) { |
| case RESULT_OK: |
| tst_resm(TPASS, |
| "clock_nanosleep call succeeded"); |
| break; |
| |
| default: |
| tst_brkm(TFAIL | TERRNO, cleanup, |
| "clock_nanosleep failed"); |
| break; |
| } |
| |
| } |
| |
| } |
| |
| cleanup(); |
| tst_exit(); |
| |
| } |