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gerrit-public.fairphone.software / platform / external / ltp / 45e285d46ab47b0ff76c88acb5ba97b0bd5f753d / . / testcases / kernel / syscalls / signalfd4 / signalfd4_02.c
blob: 08e30b1b29fac50d799737757b3dc72ef7e67480 [file] [log] [blame]
subrata_modakfc49f1f2009-01-16 10:29:50 +0000[diff] [blame]1/******************************************************************************/
2/* */
3/* Copyright (c) Ulrich Drepper <drepper@redhat.com> */
4/* Copyright (c) International Business Machines Corp., 2009 */
5/* */
6/* This program is free software; you can redistribute it and/or modify */
7/* it under the terms of the GNU General Public License as published by */
8/* the Free Software Foundation; either version 2 of the License, or */
9/* (at your option) any later version. */
10/* */
11/* This program is distributed in the hope that it will be useful, */
12/* but WITHOUT ANY WARRANTY; without even the implied warranty of */
13/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See */
14/* the GNU General Public License for more details. */
15/* */
16/* You should have received a copy of the GNU General Public License */
17/* along with this program; if not, write to the Free Software */
18/* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
19/* */
20/******************************************************************************/
21/******************************************************************************/
22/* */
23/* File: signalfd4_02.c */
24/* */
25/* Description: This Program tests the new system call introduced in 2.6.27. */
26/* Ulrich´s comment as in: */
27/* http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=5fb5e04926a54bc1c22bba7ca166840f4476196f */
28/* which says: */
29/* This patch adds support for the SFD_NONBLOCK flag to signalfd4. The */
30/* additional changes needed are minimal. The following test must be adjusted */
31/* for architectures other than x86 and x86-64 and in case the syscall numbers*/
32/* changed. */
33/* */
34/* Usage: <for command-line> */
35/* signalfd4_02 [-c n] [-e][-i n] [-I x] [-p x] [-t] */
36/* where, -c n : Run n copies concurrently. */
37/* -e : Turn on errno logging. */
38/* -i n : Execute test n times. */
39/* -I x : Execute test for x seconds. */
40/* -P x : Pause for x seconds between iterations. */
41/* -t : Turn on syscall timing. */
42/* */
43/* Total Tests: 1 */
44/* */
45/* Test Name: signalfd4_02 */
46/* */
47/* Author: Ulrich Drepper <drepper@redhat.com> */
48/* */
49/* History: Created - Jan 13 2009 - Ulrich Drepper <drepper@redhat.com> */
50/* Ported to LTP */
51/* - Jan 13 2009 - Subrata <subrata@linux.vnet.ibm.com> */
52/******************************************************************************/
53#include <fcntl.h>
54#include <signal.h>
55#include <stdio.h>
56#include <unistd.h>
57#include <sys/syscall.h>
subrata_modakc488f902009-02-23 07:17:33 +0000[diff] [blame]58#include <errno.h>
subrata_modakfc49f1f2009-01-16 10:29:50 +0000[diff] [blame]59
60/* Harness Specific Include Files. */
61#include "test.h"
62#include "usctest.h"
subrata_modak115006c2009-02-04 06:16:40 +0000[diff] [blame]63#include "linux_syscall_numbers.h"
Garrett Coopera9a04b52010-09-06 11:44:51 -0700[diff] [blame]64#include "ltp_signal.h"
subrata_modakfc49f1f2009-01-16 10:29:50 +0000[diff] [blame]65
66#define SFD_NONBLOCK O_NONBLOCK
67
68/* Extern Global Variables */
subrata_modak56207ce2009-03-23 13:35:39 +0000[diff] [blame]69extern int Tst_count; /* counter for tst_xxx routines. */
70extern char *TESTDIR; /* temporary dir created by tst_tmpdir() */
subrata_modakfc49f1f2009-01-16 10:29:50 +0000[diff] [blame]71
72/* Global Variables */
subrata_modak56207ce2009-03-23 13:35:39 +0000[diff] [blame]73char *TCID = "signalfd4_02"; /* test program identifier. */
74int testno;
75int TST_TOTAL = 1; /* total number of tests in this file. */
subrata_modakfc49f1f2009-01-16 10:29:50 +0000[diff] [blame]76
77/* Extern Global Functions */
78/******************************************************************************/
79/* */
80/* Function: cleanup */
81/* */
82/* Description: Performs all one time clean up for this test on successful */
83/* completion, premature exit or failure. Closes all temporary */
84/* files, removes all temporary directories exits the test with */
85/* appropriate return code by calling tst_exit() function. */
86/* */
87/* Input: None. */
88/* */
89/* Output: None. */
90/* */
91/* Return: On failure - Exits calling tst_exit(). Non '0' return code. */
92/* On success - Exits calling tst_exit(). With '0' return code. */
93/* */
94/******************************************************************************/
subrata_modak56207ce2009-03-23 13:35:39 +0000[diff] [blame]95extern void cleanup()
96{
97 /* Remove tmp dir and all files in it */
98 TEST_CLEANUP;
99 tst_rmdir();
subrata_modakfc49f1f2009-01-16 10:29:50 +0000[diff] [blame]100
subrata_modak56207ce2009-03-23 13:35:39 +0000[diff] [blame]101 /* Exit with appropriate return code. */
102 tst_exit();
subrata_modakfc49f1f2009-01-16 10:29:50 +0000[diff] [blame]103}
104
105/* Local Functions */
106/******************************************************************************/
107/* */
108/* Function: setup */
109/* */
110/* Description: Performs all one time setup for this test. This function is */
111/* typically used to capture signals, create temporary dirs */
112/* and temporary files that may be used in the course of this */
113/* test. */
114/* */
115/* Input: None. */
116/* */
117/* Output: None. */
118/* */
119/* Return: On failure - Exits by calling cleanup(). */
120/* On success - returns 0. */
121/* */
122/******************************************************************************/
subrata_modak56207ce2009-03-23 13:35:39 +0000[diff] [blame]123void setup()
124{
125 /* Capture signals if any */
126 /* Create temporary directories */
127 TEST_PAUSE;
128 tst_tmpdir();
subrata_modakfc49f1f2009-01-16 10:29:50 +0000[diff] [blame]129}
130
subrata_modak56207ce2009-03-23 13:35:39 +0000[diff] [blame]131int main(int argc, char *argv[])
132{
133 sigset_t ss;
134 int fd, fl;
135 int lc; /* loop counter */
136 char *msg; /* message returned from parse_opts */
subrata_modakfc49f1f2009-01-16 10:29:50 +0000[diff] [blame]137
subrata_modak56207ce2009-03-23 13:35:39 +0000[diff] [blame]138 /* Parse standard options given to run the test. */
Garrett Cooper45e285d2010-11-22 12:19:25 -0800[diff] [blame^]139 msg = parse_opts(argc, argv, NULL, NULL);
140 if (msg != NULL) {
subrata_modak56207ce2009-03-23 13:35:39 +0000[diff] [blame]141 tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg);
142 tst_exit();
143 }
144 if ((tst_kvercmp(2, 6, 27)) < 0) {
145 tst_resm(TCONF,
146 "This test can only run on kernels that are 2.6.27 and higher");
147 tst_exit();
148 }
149 setup();
subrata_modakfc49f1f2009-01-16 10:29:50 +0000[diff] [blame]150
subrata_modak56207ce2009-03-23 13:35:39 +0000[diff] [blame]151 /* Check looping state if -i option given */
152 for (lc = 0; TEST_LOOPING(lc); ++lc) {
153 Tst_count = 0;
154 for (testno = 0; testno < TST_TOTAL; ++testno) {
155 sigemptyset(&ss);
156 sigaddset(&ss, SIGUSR1);
Garrett Coopera9a04b52010-09-06 11:44:51 -0700[diff] [blame]157 fd = syscall(__NR_signalfd4, -1, &ss, SIGSETSIZE, 0);
subrata_modak56207ce2009-03-23 13:35:39 +0000[diff] [blame]158 if (fd == -1) {
159 tst_resm(TFAIL, "signalfd4(0) failed");
160 cleanup();
161 tst_exit();
162 }
163 fl = fcntl(fd, F_GETFL);
164 if (fl == -1) {
165 tst_brkm(TBROK, cleanup, "fcntl failed");
166 tst_exit();
167 }
168 if (fl & O_NONBLOCK) {
169 tst_resm(TFAIL,
170 "signalfd4(0) set non-blocking mode");
171 cleanup();
172 tst_exit();
173 }
174 close(fd);
175
Garrett Coopera9a04b52010-09-06 11:44:51 -0700[diff] [blame]176 fd = syscall(__NR_signalfd4, -1, &ss, SIGSETSIZE, SFD_NONBLOCK);
subrata_modak56207ce2009-03-23 13:35:39 +0000[diff] [blame]177 if (fd == -1) {
178 tst_resm(TFAIL,
179 "signalfd4(SFD_NONBLOCK) failed");
180 cleanup();
181 tst_exit();
182 }
183 fl = fcntl(fd, F_GETFL);
184 if (fl == -1) {
185 tst_brkm(TBROK, cleanup, "fcntl failed");
186 tst_exit();
187 }
188 if ((fl & O_NONBLOCK) == 0) {
189 tst_resm(TFAIL,
190 "signalfd4(SFD_NONBLOCK) does not set non-blocking mode");
191 cleanup();
192 tst_exit();
193 }
194 close(fd);
195 tst_resm(TPASS, "signalfd4(SFD_NONBLOCK) PASSED");
196 cleanup();
197 }
198 }
199 tst_exit();
subrata_modakfc49f1f2009-01-16 10:29:50 +0000[diff] [blame]200}