[LTP] [PATCH 06/13] Add/Port ppoll01 test for ppoll() syscall

Manas Kumar Nayak
2009-05-27T10:10:02Z

diff -uprN ltp-intermediate-20090521.orig/testcases/kernel/syscalls/ppoll/Makefile ltp-intermediate-20090521/testcases/kernel/syscalls/ppoll/Makefile
--- ltp-intermediate-20090521.orig/testcases/kernel/syscalls/ppoll/Makefile 1970-01-01 05:30:00.000000000 +0530
+++ ltp-intermediate-20090521/testcases/kernel/syscalls/ppoll/Makefile 2009-05-23 12:01:25.000000000 +0530
@@ -0,0 +1,31 @@
+#
+# Copyright (c) International Business Machines Corp., 2009
+#
+# 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 St, Fifth Floor, Boston, MA 02110-1301 USA
+#
+
+CFLAGS += -I../../../../include -Wall -O2
+LDLIBS += -L../../../../lib -lltp
+
+SRCS = $(wildcard *.c)
+TARGETS = $(patsubst %.c,%,$(SRCS))
+
+all: $(TARGETS)
+
+install:
+ @set -e; for i in $(TARGETS); do ln -f $$i ../../../bin/$$i ; done
+
+clean:
+ rm -f $(TARGETS)
diff -uprN ltp-intermediate-20090521.orig/testcases/kernel/syscalls/ppoll/ppoll01.c ltp-intermediate-20090521/testcases/kernel/syscalls/ppoll/ppoll01.c
--- ltp-intermediate-20090521.orig/testcases/kernel/syscalls/ppoll/ppoll01.c 1970-01-01 05:30:00.000000000 +0530
+++ ltp-intermediate-20090521/testcases/kernel/syscalls/ppoll/ppoll01.c 2009-05-27 13:00:58.000000000 +0530
@@ -0,0 +1,482 @@
+/******************************************************************************/
+/* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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> */
+/******************************************************************************/
+#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 "asm/poll.h"
+
+
+#include "../utils/include_j_h.h"
+#include "../utils/common_j_h.c"
+
+/* Harness Specific Include Files. */
+#include "test.h"
+#include "usctest.h"
+#include "linux_syscall_numbers.h"
+
+/* Extern Global Variables */
+extern int Tst_count; /* counter for tst_xxx routines. */
+extern char *TESTDIR; /* temporary dir created by tst_tmpdir() */
+
+/* Global Variables */
+char *TCID = "ppoll01"; /* Test program identifier.*/
+int testno;
+int TST_TOTAL = 1; /* total number of tests in this file. */
+
+/* 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. */
+/* */
+/******************************************************************************/
+extern void cleanup() {
+ /* Remove tmp dir and all files in it */
+ TEST_CLEANUP;
+ tst_rmdir();
+
+ /* Exit with appropriate return code. */
+ tst_exit();
+}
+
+/* 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() {
+ /* Capture signals if any */
+ /* Create temporary directories */
+ TEST_PAUSE;
+ tst_tmpdir();
+}
+
+
+/*
+ * Macros
+ */
+#define SYSCALL_NAME "ppoll"
+
+#ifndef __NR_ppoll
+# define __NR_ppoll 309
+#endif
+
+#ifndef POLLRDHUP
+# define POLLRDHUP 0x2000
+#endif
+
+
+/*
+ * Global variables
+ */
+static int opt_debug;
+static char *progname;
+static char *progdir;
+
+enum test_type {
+ NORMAL,
+ MASK_SIGNAL,
+ TIMEOUT,
+ FD_ALREADY_CLOSED,
+ SEND_SIGINT,
+ 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 = 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 = INVALID_NFDS,
+ .ret = -1,
+ .err = EINVAL,
+ },
+ { // case06
+ .ttype = INVALID_FDS,
+ .ret = -1,
+ .err = EFAULT,
+ },
+#if 0
+ { // case07
+ .ttype = MINUS_NSEC,
+ .ret = -1,
+ .err = EINVAL, // RHEL4U1 + 2.6.18 returns SUCCESS
+ },
+ { // case08
+ .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;
+ int 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;
+ size_t sigsetsize = 0;
+ pid_t pid = 0;
+
+ TEST(fd = setup_file(progdir, "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;
+ //sigsetsize = sizeof(sigmask);
+ sigsetsize = 8;
+ 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;
+ TEST(pid = create_sig_proc(100000, SIGINT)); // 100msec
+ if (pid < 0)
+ return 1;
+ 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;
+ TEST(sys_ret = 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;
+ if (opt_debug) {
+ tst_resm(TINFO,"EXPECT: revents=0x%04x", tc->expect_revents);
+ tst_resm(TINFO,"RESULT: revents=0x%04x", fds[0].revents);
+ }
+
+TEST_END:
+ /*
+ * Check results
+ */
+ result |= (sys_errno != tc->err) || !cmp_ok;
+ PRINT_RESULT_CMP(sys_ret >= 0, tc->ret, tc->err, sys_ret, sys_errno,
+ cmp_ok);
+
+ if (fd >= 0)
+ cleanup_file(fpath);
+ if (pid > 0) {
+ int st;
+ kill(pid, SIGTERM);
+ wait(&st);
+ }
+ return result;
+}
+
+
+/*
+ * sighandler()
+ */
+void sighandler(int sig)
+{
+ if (sig == SIGINT)
+ return;
+ // NOTREACHED
+ return;
+}
+
+
+/*
+ * usage()
+ */
+
+static void usage(const char *progname)
+{
+ tst_resm(TINFO,"usage: %s [options]", progname);
+ tst_resm(TINFO,"This is a regression test program of %s system call.",SYSCALL_NAME);
+ tst_resm(TINFO,"options:");
+ tst_resm(TINFO," -d --debug Show debug messages");
+ tst_resm(TINFO," -h --help Show this message");
+ tst_resm(TINFO,"NG");
+ exit(1);
+}
+
+
+/*
+ * main()
+ */
+
+
+
+int main(int ac, char **av) {
+ int result = RESULT_OK;
+ int c;
+ int i;
+ int lc; /* loop counter */
+ char *msg; /* message returned from parse_opts */
+
+ struct option long_options[] = {
+ { "debug", no_argument, 0, 'd' },
+ { "help", no_argument, 0, 'h' },
+ { NULL, 0, NULL, 0 }
+ };
+
+ progname = strchr(av[0], '/');
+ progname = progname ? progname + 1 : av[0];
+
+ progdir = strdup(av[0]);
+ progdir = dirname(progdir);
+
+ /* parse standard options */
+ if ((msg = parse_opts(ac, av, (option_t *)NULL, NULL)) != (char *)NULL){
+ tst_brkm(TBROK, cleanup, "OPTION PARSING ERROR - %s", msg);
+ tst_exit();
+ }
+
+ setup();
+
+ /* Check looping state if -i option given */
+ for (lc = 0; TEST_LOOPING(lc); ++lc) {
+ Tst_count = 0;
+ for (testno = 0; testno < TST_TOTAL; ++testno) {
+ TEST(c = getopt_long(ac, av, "dh", long_options, NULL));
+ while(TEST_RETURN != -1) {
+ switch (c) {
+ case 'd':
+ opt_debug = 1;
+ break;
+ default:
+ usage(progname);
+ // NOTREACHED
+ }
+ }
+
+
+ if (ac != optind) {
+ tst_resm(TINFO,"Options are not match.");
+ usage(progname);
+ // NOTREACHED
+ }
+
+ /*
+ * Execute test
+ */
+ 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;
+ }
+
+ /*
+ * Check results
+ */
+ switch(result) {
+ case RESULT_OK:
+ tst_resm(TPASS, "ppoll01 call succeeded ");
+ break;
+
+ default:
+ tst_resm(TFAIL, "%s failed - errno = %d : %s", TCID, TEST_ERRNO, strerror(TEST_ERRNO));
+ RPRINTF("NG");
+ cleanup();
+ tst_exit();
+ break;
+ }
+
+ }
+ }
+ cleanup();
+ tst_exit();
+}
+
--- ltp-intermediate-20090521.orig/runtest/syscalls 2009-05-27 12:58:57.000000000 +0530
+++ ltp-intermediate-20090521/runtest/syscalls 2009-05-27 13:06:52.000000000 +0530
@@ -706,6 +706,8 @@ pipe2_02 pipe2_02

poll01 poll01

+ppoll01 ppoll01
+
prctl01 prctl01
prctl02 prctl02