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[LTP] [PATCH 04/17]: Add eventfd2_1 syscall test, testing eventfd2(EFD_CLOEXEC)
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From: Subrata M. <su...@li...> - 2009-01-13 16:44:56
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Signed-Off-By: Subrata Modak<su...@li...>, -- --- ltp-intermediate-20090105.orig/runtest/syscalls 2009-01-08 15:33:35.000000000 +0530 +++ ltp-intermediate-20090105/runtest/syscalls 2009-01-08 15:59:25.000000000 +0530 @@ -111,6 +111,8 @@ epoll01 epoll-ltp eventfd01 eventfd01 +eventfd2_01 eventfd2_01 + execl01 execl01 execle01 execle01 execlp01 execlp01 diff -uprN ltp-intermediate-20090105.orig/testcases/kernel/syscalls/eventfd2/eventfd2_01.c ltp-intermediate-20090105/testcases/kernel/syscalls/eventfd2/eventfd2_01.c --- ltp-intermediate-20090105.orig/testcases/kernel/syscalls/eventfd2/eventfd2_01.c 1970-01-01 05:30:00.000000000 +0530 +++ ltp-intermediate-20090105/testcases/kernel/syscalls/eventfd2/eventfd2_01.c 2009-01-08 15:58:51.000000000 +0530 @@ -0,0 +1,203 @@ +/******************************************************************************/ +/* */ +/* Copyright (c) Ulrich Drepper <dr...@re...> */ +/* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ +/* */ +/******************************************************************************/ +/******************************************************************************/ +/* */ +/* File: eventfd2_01.c */ +/* */ +/* Description: This Program tests the new system call introduced in 2.6.27. */ +/* Ulrich´s comment as in: */ +/* http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b087498eb5605673b0f260a7620d91818cd72304 */ +/* says: */ +/* This patch adds the new eventfd2 syscall. It extends the old eventfd */ +/* syscall by one parameter which is meant to hold a flag value. In this */ +/* patch the only flag support is EFD_CLOEXEC which causes the close-on-exec */ +/* flag for the returned file descriptor to be set. A new name EFD_CLOEXEC is */ +/* introduced which in this implementation must have the same value as */ +/* O_CLOEXEC. The following test must be adjusted for architectures other than*/ +/* x86 and x86-64 and in case the syscall numbers changed. */ +/* */ +/* Usage: <for command-line> */ +/* eventfd2_01 [-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: eventfd2_01 */ +/* */ +/* Author: Ulrich Drepper <dr...@re...> */ +/* */ +/* History: Created - Jan 08 2009 - Ulrich Drepper <dr...@re...> */ +/* Ported to LTP */ +/* - Jan 08 2009 - Subrata <su...@li...> */ +/******************************************************************************/ +#include <fcntl.h> +#include <stdio.h> +#include <unistd.h> +#include <sys/syscall.h> + +/* Harness Specific Include Files. */ +#include "test.h" +#include "usctest.h" + +#ifndef O_CLOEXEC +# define O_CLOEXEC 02000000 +#endif + +#ifndef __NR_eventfd2 +# ifdef __x86_64__ +# define __NR_eventfd2 290 +# elif defined __i386__ +# define __NR_eventfd2 328 +# else +# error "need __NR_eventfd2" +# endif +#endif + +#define EFD_CLOEXEC O_CLOEXEC + +/* 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 = "eventfd2_01"; /* 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(); +} + +int main (int argc, char *argv[]) { + int fd, coe; + int lc; /* loop counter */ + char *msg; /* message returned from parse_opts */ + + /* Parse standard options given to run the test. */ + msg = parse_opts(argc, argv, (option_t *) NULL, NULL); + if (msg != (char *) NULL) { + tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg); + tst_exit(); + } + if((tst_kvercmp(2, 6, 27)) < 0) { + tst_resm(TCONF, "This test can only run on kernels that are 2.6.27 and higher"); + 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) { + fd = syscall (__NR_eventfd2, 1, 0); + if (fd == -1) { + tst_resm(TFAIL, "eventfd2(0) failed"); + cleanup(); + tst_exit(); + } + coe = fcntl (fd, F_GETFD); + if (coe == -1) { + tst_brkm(TBROK, cleanup, "fcntl failed"); + tst_exit(); + } + if (coe & FD_CLOEXEC) { + tst_resm(TFAIL, "eventfd2(0) set close-on-exec flag"); + cleanup(); + tst_exit(); + } + close (fd); + + fd = syscall (__NR_eventfd2, 1, EFD_CLOEXEC); + if (fd == -1) { + tst_resm(TFAIL, "eventfd2(EFD_CLOEXEC) failed"); + cleanup(); + tst_exit(); + } + coe = fcntl (fd, F_GETFD); + if (coe == -1) { + tst_brkm(TBROK, cleanup, "fcntl failed"); + tst_exit(); + } + if ((coe & FD_CLOEXEC) == 0) { + tst_resm(TFAIL, "eventfd2(EFD_CLOEXEC) does not set close-on-exec flag"); + cleanup(); + tst_exit(); + } + close (fd); + tst_resm(TPASS, "eventfd2(EFD_CLOEXEC) Passed"); + cleanup(); + } + } + tst_exit(); +} diff -uprN ltp-intermediate-20090105.orig/testcases/kernel/syscalls/eventfd2/Makefile ltp-intermediate-20090105/testcases/kernel/syscalls/eventfd2/Makefile --- ltp-intermediate-20090105.orig/testcases/kernel/syscalls/eventfd2/Makefile 1970-01-01 05:30:00.000000000 +0530 +++ ltp-intermediate-20090105/testcases/kernel/syscalls/eventfd2/Makefile 2009-01-08 15:36:27.000000000 +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 +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) Regards-- Subrata |