From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sog-mx-3.v43.ch3.sourceforge.com ([172.29.43.193] helo=mx.sourceforge.net) by sfs-ml-4.v29.ch3.sourceforge.com with esmtp (Exim 4.69) (envelope-from ) id 1OgE2U-0003E3-1r for ltp-list@lists.sourceforge.net; Tue, 03 Aug 2010 09:44:02 +0000 Received: from e23smtp08.au.ibm.com ([202.81.31.141]) by sog-mx-3.v43.ch3.sourceforge.com with esmtps (TLSv1:AES256-SHA:256) (Exim 4.69) id 1OgE2S-0000vx-Ds for ltp-list@lists.sourceforge.net; Tue, 03 Aug 2010 09:44:02 +0000 Received: from d23relay04.au.ibm.com (d23relay04.au.ibm.com [202.81.31.246]) by e23smtp08.au.ibm.com (8.14.4/8.13.1) with ESMTP id o739hnqL021661 for ; Tue, 3 Aug 2010 19:43:49 +1000 Received: from d23av02.au.ibm.com (d23av02.au.ibm.com [9.190.235.138]) by d23relay04.au.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id o739hqWK1650804 for ; Tue, 3 Aug 2010 19:43:52 +1000 Received: from d23av02.au.ibm.com (loopback [127.0.0.1]) by d23av02.au.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id o739hqB1016114 for ; Tue, 3 Aug 2010 19:43:52 +1000 From: Harsh Prateek Bora Date: Tue, 3 Aug 2010 15:13:46 +0530 Message-Id: <1280828626-9759-1-git-send-email-harsh@linux.vnet.ibm.com> Subject: [LTP] [PATCH] setrlimit testcase fix Current testcase for setrlimit for parameter RLIMIT_FSIZE does not convey the number of bytes actually written from child process to parent, as the child process writes to its own copy of global variable. This patch introduces a pipe to send the information from child to the parent process. List-Id: Linux Test Project General Discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ltp-list-bounces@lists.sourceforge.net To: ltp-list@lists.sourceforge.net Signed-off-by: Harsh Prateek Bora --- testcases/kernel/syscalls/setrlimit/setrlimit01.c | 11 +++++++++++ 1 files changed, 11 insertions(+), 0 deletions(-) diff --git a/testcases/kernel/syscalls/setrlimit/setrlimit01.c b/testcases/kernel/syscalls/setrlimit/setrlimit01.c index 6952eb3..d8949c6 100644 --- a/testcases/kernel/syscalls/setrlimit/setrlimit01.c +++ b/testcases/kernel/syscalls/setrlimit/setrlimit01.c @@ -156,7 +156,12 @@ void test2() * an wired value! So, it is essential to fflush the parent's * write buffer HERE */ + int pipefd[2]; fflush(stdout); + if (pipe(pipefd) == -1) { + perror("pipe"); + exit(EXIT_FAILURE); + } /* * Spawn a child process, and reduce the filesize to @@ -170,6 +175,7 @@ void test2() } if (pid == 0) { + close(pipefd[0]); /* close unused read end */ rlim.rlim_cur = 10; rlim.rlim_max = 10; if ((setrlimit(RLIMIT_FSIZE, &rlim)) == -1) { @@ -181,6 +187,8 @@ void test2() } if ((bytes = write(fd, buf, 26)) != 10) { + write(pipefd[1], &bytes, sizeof(bytes)); + close(pipefd[1]); /* EOF */ exit(3); } exit(0); /* success */ @@ -202,6 +210,9 @@ void test2() tst_resm(TFAIL, "creating testfile failed"); break; case 3: + close(pipefd[1]); /* close unused write end */ + read(pipefd[0], &bytes, sizeof(bytes)); + close(pipefd[0]); tst_resm(TFAIL, "setrlimit failed, expected " "10 got %d", bytes); break; -- 1.7.1.1 ------------------------------------------------------------------------------ The Palm PDK Hot Apps Program offers developers who use the Plug-In Development Kit to bring their C/C++ apps to Palm for a share of $1 Million in cash or HP Products. Visit us here for more details: http://p.sf.net/sfu/dev2dev-palm _______________________________________________ Ltp-list mailing list Ltp-list@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ltp-list