Convert to ATF format the old src/regress/ style tests for Sys V IPC
This commit is contained in:
pgoyette
parent
4622fbd2a2
commit
c168fbbf95
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@ -1,4 +1,4 @@
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# $NetBSD: Makefile,v 1.27 2012/11/03 05:19:33 pgoyette Exp $
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# $NetBSD: Makefile,v 1.28 2012/11/05 04:09:14 pgoyette Exp $
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NOMAN= # defined
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@ -10,6 +10,7 @@ TESTS_SUBDIRS= kqueue
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TESTS_C= t_lock
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TESTS_C+= t_pty
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TESTS_C+= t_mqueue
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TESTS_C+= t_sysv
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TESTS_C+= t_subr_prf
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TESTS_SH= t_umount
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@ -0,0 +1,841 @@
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/* $NetBSD: t_sysv.c,v 1.1 2012/11/05 04:09:14 pgoyette Exp $ */
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/*-
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* Copyright (c) 1999, 2007 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
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* NASA Ames Research Center, and by Andrew Doran.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Test the SVID-compatible Message Queue facility.
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*/
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#include <atf-c.h>
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#include <err.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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#include <sys/ipc.h>
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#include <sys/msg.h>
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#include <sys/param.h>
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#include <sys/sem.h>
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#include <sys/shm.h>
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#include <sys/wait.h>
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volatile int did_sigsys, did_sigchild;
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volatile int child_status, child_count;
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void sigsys_handler(int);
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void sigchld_handler(int);
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void print_msqid_ds(struct msqid_ds *, mode_t);
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void cleanup_msg(void);
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void receiver(void);
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void print_semid_ds(struct semid_ds *, mode_t);
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void cleanup_sem(void);
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void waiter(void);
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void print_shmid_ds(struct shmid_ds *, mode_t);
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void cleanup_shm(void);
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void sharer(void);
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#define MESSAGE_TEXT_LEN 256
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struct mymsg {
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long mtype;
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char mtext[MESSAGE_TEXT_LEN];
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};
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const char *m1_str = "California is overrated.";
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const char *m2_str = "The quick brown fox jumped over the lazy dog.";
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size_t pgsize;
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#define MTYPE_1 1
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#define MTYPE_1_ACK 2
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#define MTYPE_2 3
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#define MTYPE_2_ACK 4
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int sender_msqid = -1;
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int sender_semid = -1;
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int sender_shmid = -1;
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pid_t child_pid;
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char token_key[64];
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key_t msgkey, semkey, shmkey;
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int maxloop = 1;
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union semun {
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int val; /* value for SETVAL */
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struct semid_ds *buf; /* buffer for IPC_{STAT,SET} */
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u_short *array; /* array for GETALL & SETALL */
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};
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void
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sigsys_handler(int signo)
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{
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did_sigsys = 1;
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}
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void
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sigchld_handler(int signo)
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{
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int c_status;
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did_sigchild = 1;
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/*
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* Reap the child and return its status
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*/
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if (wait(&c_status) == -1)
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child_status = -errno;
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else
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child_status = c_status;
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child_count--;
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}
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ATF_TC(msg);
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ATF_TC_HEAD(msg, tc)
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{
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atf_tc_set_md_var(tc, "timeout", "3");
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atf_tc_set_md_var(tc, "descr", "Checks sysvmsg passing");
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}
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ATF_TC_BODY(msg, tc)
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{
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struct sigaction sa;
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struct msqid_ds m_ds;
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struct mymsg m;
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sigset_t sigmask;
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int loop;
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int c_status;
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/*
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* Install a SIGSYS handler so that we can exit gracefully if
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* System V Message Queue support isn't in the kernel.
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*/
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did_sigsys = 0;
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sa.sa_handler = sigsys_handler;
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sigemptyset(&sa.sa_mask);
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sa.sa_flags = 0;
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ATF_REQUIRE_MSG(sigaction(SIGSYS, &sa, NULL) != -1,
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"sigaction SIGSYS: %d", errno);
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/*
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* Install a SIGCHLD handler to deal with all possible exit
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* conditions of the receiver.
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*/
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did_sigchild = 0;
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child_count = 0;
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sa.sa_handler = sigchld_handler;
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sigemptyset(&sa.sa_mask);
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sa.sa_flags = 0;
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ATF_REQUIRE_MSG(sigaction(SIGCHLD, &sa, NULL) != -1,
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"sigaction SIGCHLD: %d", errno);
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msgkey = ftok(token_key, 4160);
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ATF_REQUIRE_MSG(msgkey != (key_t)-1, "ftok failed");
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/*
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* Initialize child_pid to ourselves so that the cleanup function
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* works before we create the receiver.
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*/
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child_pid = getpid();
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/*
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* Make sure that when the sender exits, the message queue is
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* removed.
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*/
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ATF_REQUIRE_MSG(atexit(cleanup_msg) != -1, "atexit:%d", errno);
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sender_msqid = msgget(msgkey, IPC_CREAT | 0640);
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ATF_REQUIRE_MSG(sender_msqid != -1, "msgget: %d", errno);
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if (did_sigsys) {
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atf_tc_skip("SYSV Message Queue not supported");
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return;
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}
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ATF_REQUIRE_MSG(msgctl(sender_msqid, IPC_STAT, &m_ds) != -1,
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"msgctl IPC_STAT 1: %d", errno);
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print_msqid_ds(&m_ds, 0640);
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m_ds.msg_perm.mode = (m_ds.msg_perm.mode & ~0777) | 0600;
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ATF_REQUIRE_MSG(msgctl(sender_msqid, IPC_SET, &m_ds) != -1,
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"msgctl IPC_SET: %d", errno);
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memset(&m_ds, 0, sizeof(m_ds));
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ATF_REQUIRE_MSG(msgctl(sender_msqid, IPC_STAT, &m_ds) != -1,
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"msgctl IPC_STAT 2: %d", errno);
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ATF_REQUIRE_MSG((m_ds.msg_perm.mode & 0777) == 0600,
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"IPC_SET of mode didn't hold");
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print_msqid_ds(&m_ds, 0600);
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switch ((child_pid = fork())) {
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case -1:
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atf_tc_fail("fork: %d", errno);
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return;
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case 0:
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child_count++;
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receiver();
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break;
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default:
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break;
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}
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for (loop = 0; loop < maxloop; loop++) {
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/*
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* Send the first message to the receiver and wait for the ACK.
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*/
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m.mtype = MTYPE_1;
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strcpy(m.mtext, m1_str);
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ATF_REQUIRE_MSG(msgsnd(sender_msqid, &m, sizeof(m), 0) != -1,
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"sender: msgsnd 1: %d", errno);
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ATF_REQUIRE_MSG(msgrcv(sender_msqid, &m, sizeof(m),
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MTYPE_1_ACK, 0) == sizeof(m),
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"sender: msgrcv 1 ack: %d", errno);
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print_msqid_ds(&m_ds, 0600);
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/*
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* Send the second message to the receiver and wait for the ACK.
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*/
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m.mtype = MTYPE_2;
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strcpy(m.mtext, m2_str);
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ATF_REQUIRE_MSG(msgsnd(sender_msqid, &m, sizeof(m), 0) != -1,
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"sender: msgsnd 2: %d", errno);
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ATF_REQUIRE_MSG(msgrcv(sender_msqid, &m, sizeof(m),
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MTYPE_2_ACK, 0) == sizeof(m),
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"sender: msgrcv 2 ack: %d", errno);
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}
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/*
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* Wait for child to finish
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*/
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sigemptyset(&sigmask);
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(void) sigsuspend(&sigmask);
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/*
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* ...and any other signal is an unexpected error.
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*/
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if (did_sigchild) {
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c_status = child_status;
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if (c_status < 0)
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atf_tc_fail("waitpid: %d", -c_status);
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else if (WIFEXITED(c_status) == 0)
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atf_tc_fail("child abnormal exit: %d", c_status);
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else if (WEXITSTATUS(c_status) != 0)
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atf_tc_fail("c status: %d", WEXITSTATUS(c_status));
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else {
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ATF_REQUIRE_MSG(msgctl(sender_msqid, IPC_STAT, &m_ds)
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!= -1, "msgctl IPC_STAT: %d", errno);
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print_msqid_ds(&m_ds, 0600);
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atf_tc_pass();
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}
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} else
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atf_tc_fail("sender: received unexpected signal");
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}
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void
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cleanup_msg()
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{
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/*
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* If we're the sender, and it exists, remove the message queue.
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*/
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if (child_pid != 0 && sender_msqid != -1) {
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if (msgctl(sender_msqid, IPC_RMID, NULL) == -1)
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warn("msgctl IPC_RMID");
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}
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}
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void
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print_msqid_ds(mp, mode)
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struct msqid_ds *mp;
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mode_t mode;
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{
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uid_t uid = geteuid();
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gid_t gid = getegid();
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printf("PERM: uid %d, gid %d, cuid %d, cgid %d, mode 0%o\n",
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mp->msg_perm.uid, mp->msg_perm.gid,
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mp->msg_perm.cuid, mp->msg_perm.cgid,
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mp->msg_perm.mode & 0777);
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printf("qnum %lu, qbytes %lu, lspid %d, lrpid %d\n",
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mp->msg_qnum, (u_long)mp->msg_qbytes, mp->msg_lspid,
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mp->msg_lrpid);
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printf("stime: %s", ctime(&mp->msg_stime));
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printf("rtime: %s", ctime(&mp->msg_rtime));
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printf("ctime: %s", ctime(&mp->msg_ctime));
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/*
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* Sanity check a few things.
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*/
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ATF_REQUIRE_MSG(mp->msg_perm.uid == uid && mp->msg_perm.cuid == uid,
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"uid mismatch");
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ATF_REQUIRE_MSG(mp->msg_perm.gid == gid && mp->msg_perm.cgid == gid,
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"gid mismatch");
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ATF_REQUIRE_MSG((mp->msg_perm.mode & 0777) == mode, "mode mismatch");
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}
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void
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receiver()
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{
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struct mymsg m;
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int msqid, loop;
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if ((msqid = msgget(msgkey, 0)) == -1)
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err(1, "receiver: msgget");
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for (loop = 0; loop < maxloop; loop++) {
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/*
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* Receive the first message, print it, and send an ACK.
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*/
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if (msgrcv(msqid, &m, sizeof(m), MTYPE_1, 0) != sizeof(m))
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err(1, "receiver: msgrcv 1");
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printf("%s\n", m.mtext);
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if (strcmp(m.mtext, m1_str) != 0)
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err(1, "receiver: message 1 data isn't correct");
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m.mtype = MTYPE_1_ACK;
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if (msgsnd(msqid, &m, sizeof(m), 0) == -1)
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err(1, "receiver: msgsnd ack 1");
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/*
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* Receive the second message, print it, and send an ACK.
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*/
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if (msgrcv(msqid, &m, sizeof(m), MTYPE_2, 0) != sizeof(m))
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err(1, "receiver: msgrcv 2");
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printf("%s\n", m.mtext);
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if (strcmp(m.mtext, m2_str) != 0)
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err(1, "receiver: message 2 data isn't correct");
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m.mtype = MTYPE_2_ACK;
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if (msgsnd(msqid, &m, sizeof(m), 0) == -1)
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err(1, "receiver: msgsnd ack 2");
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}
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exit(0);
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}
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/*
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* Test the SVID-compatible Semaphore facility.
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*/
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ATF_TC(sem);
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ATF_TC_HEAD(sem, tc)
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{
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atf_tc_set_md_var(tc, "timeout", "3");
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atf_tc_set_md_var(tc, "descr", "Checks sysvmsg passing");
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}
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ATF_TC_BODY(sem, tc)
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{
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struct sigaction sa;
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union semun sun;
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struct semid_ds s_ds;
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sigset_t sigmask;
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int i;
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int c_status;
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/*
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* Install a SIGSYS handler so that we can exit gracefully if
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* System V Semaphore support isn't in the kernel.
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*/
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did_sigsys = 0;
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sa.sa_handler = sigsys_handler;
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sigemptyset(&sa.sa_mask);
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sa.sa_flags = 0;
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ATF_REQUIRE_MSG(sigaction(SIGSYS, &sa, NULL) != -1,
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"sigaction SIGSYS: %d", errno);
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/*
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* Install a SIGCHLD handler to deal with all possible exit
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* conditions of the receiver.
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*/
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did_sigchild = 0;
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child_count = 0;
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sa.sa_handler = sigchld_handler;
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sigemptyset(&sa.sa_mask);
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sa.sa_flags = 0;
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ATF_REQUIRE_MSG(sigaction(SIGCHLD, &sa, NULL) != -1,
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"sigaction SIGCHLD: %d", errno);
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semkey = ftok(token_key, 4160);
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ATF_REQUIRE_MSG(semkey != (key_t)-1, "ftok failed");
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/*
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* Initialize child_pid to ourselves to that the cleanup function
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* works before we create the receiver.
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*/
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child_pid = getpid();
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/*
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* Make sure that when the sender exits, the message queue is
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* removed.
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*/
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ATF_REQUIRE_MSG(atexit(cleanup_sem) != -1, "atexit: %d", errno);
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sender_semid = semget(semkey, 1, IPC_CREAT | 0640);
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ATF_REQUIRE_MSG(sender_semid != -1, "semget: %d", errno);
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if (did_sigsys) {
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atf_tc_skip("SYSV Semaphore not supported");
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return;
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}
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sun.buf = &s_ds;
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ATF_REQUIRE_MSG(semctl(sender_semid, 0, IPC_STAT, sun) != -1,
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"semctl IPC_STAT: %d", errno);
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print_semid_ds(&s_ds, 0640);
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s_ds.sem_perm.mode = (s_ds.sem_perm.mode & ~0777) | 0600;
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sun.buf = &s_ds;
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ATF_REQUIRE_MSG(semctl(sender_semid, 0, IPC_SET, sun) != -1,
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"semctl IPC_SET: %d", errno);
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memset(&s_ds, 0, sizeof(s_ds));
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sun.buf = &s_ds;
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ATF_REQUIRE_MSG(semctl(sender_semid, 0, IPC_STAT, sun) != -1,
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"semctl IPC_STAT: %d", errno);
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ATF_REQUIRE_MSG((s_ds.sem_perm.mode & 0777) == 0600,
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||||
"IPC_SET of mode didn't hold");
|
||||
|
||||
print_semid_ds(&s_ds, 0600);
|
||||
|
||||
for (child_count = 0; child_count < 5; child_count++) {
|
||||
switch ((child_pid = fork())) {
|
||||
case -1:
|
||||
atf_tc_fail("fork: %d", errno);
|
||||
return;
|
||||
|
||||
case 0:
|
||||
waiter();
|
||||
break;
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Wait for all of the waiters to be attempting to acquire the
|
||||
* semaphore.
|
||||
*/
|
||||
for (;;) {
|
||||
i = semctl(sender_semid, 0, GETNCNT);
|
||||
if (i == -1)
|
||||
atf_tc_fail("semctl GETNCNT: %d", i);
|
||||
if (i == 5)
|
||||
break;
|
||||
}
|
||||
|
||||
/*
|
||||
* Now set the thundering herd in motion by initializing the
|
||||
* semaphore to the value 1.
|
||||
*/
|
||||
sun.val = 1;
|
||||
ATF_REQUIRE_MSG(semctl(sender_semid, 0, SETVAL, sun) != -1,
|
||||
"sender: semctl SETVAL to 1: %d", errno);
|
||||
|
||||
/*
|
||||
* Wait for all children to finish
|
||||
*/
|
||||
sigemptyset(&sigmask);
|
||||
for (;;) {
|
||||
(void) sigsuspend(&sigmask);
|
||||
if (did_sigchild) {
|
||||
c_status = child_status;
|
||||
if (c_status < 0)
|
||||
atf_tc_fail("waitpid: %d", -c_status);
|
||||
else if (WIFEXITED(c_status) == 0)
|
||||
atf_tc_fail("c abnormal exit: %d", c_status);
|
||||
else if (WEXITSTATUS(c_status) != 0)
|
||||
atf_tc_fail("c status: %d",
|
||||
WEXITSTATUS(c_status));
|
||||
else {
|
||||
sun.buf = &s_ds;
|
||||
ATF_REQUIRE_MSG(semctl(sender_semid, 0,
|
||||
IPC_STAT, sun) != -1,
|
||||
"semctl IPC_STAT: %d", errno);
|
||||
|
||||
print_semid_ds(&s_ds, 0600);
|
||||
atf_tc_pass();
|
||||
}
|
||||
if (child_count <= 0)
|
||||
break;
|
||||
did_sigchild = 0;
|
||||
} else {
|
||||
atf_tc_fail("sender: received unexpected signal");
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
cleanup_sem()
|
||||
{
|
||||
|
||||
/*
|
||||
* If we're the sender, and it exists, remove the message queue.
|
||||
*/
|
||||
if (child_pid != 0 && sender_semid != -1) {
|
||||
ATF_REQUIRE_MSG(semctl(sender_semid, 0, IPC_RMID) != -1,
|
||||
"semctl IPC_RMID: %d", errno);
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
print_semid_ds(sp, mode)
|
||||
struct semid_ds *sp;
|
||||
mode_t mode;
|
||||
{
|
||||
uid_t uid = geteuid();
|
||||
gid_t gid = getegid();
|
||||
|
||||
printf("PERM: uid %d, gid %d, cuid %d, cgid %d, mode 0%o\n",
|
||||
sp->sem_perm.uid, sp->sem_perm.gid,
|
||||
sp->sem_perm.cuid, sp->sem_perm.cgid,
|
||||
sp->sem_perm.mode & 0777);
|
||||
|
||||
printf("nsems %u\n", sp->sem_nsems);
|
||||
|
||||
printf("otime: %s", ctime(&sp->sem_otime));
|
||||
printf("ctime: %s", ctime(&sp->sem_ctime));
|
||||
|
||||
/*
|
||||
* Sanity check a few things.
|
||||
*/
|
||||
|
||||
ATF_REQUIRE_MSG(sp->sem_perm.uid == uid && sp->sem_perm.cuid == uid,
|
||||
"uid mismatch");
|
||||
|
||||
ATF_REQUIRE_MSG(sp->sem_perm.gid == gid && sp->sem_perm.cgid == gid,
|
||||
"gid mismatch");
|
||||
|
||||
ATF_REQUIRE_MSG((sp->sem_perm.mode & 0777) == mode,
|
||||
"mode mismatch %o != %o", (sp->sem_perm.mode & 0777), mode);
|
||||
}
|
||||
|
||||
void
|
||||
waiter()
|
||||
{
|
||||
struct sembuf s;
|
||||
int semid;
|
||||
|
||||
if ((semid = semget(semkey, 1, 0)) == -1)
|
||||
err(1, "waiter: semget");
|
||||
|
||||
/*
|
||||
* Attempt to acquire the semaphore.
|
||||
*/
|
||||
s.sem_num = 0;
|
||||
s.sem_op = -1;
|
||||
s.sem_flg = SEM_UNDO;
|
||||
|
||||
if (semop(semid, &s, 1) == -1)
|
||||
err(1, "waiter: semop -1");
|
||||
|
||||
printf("WOO! GOT THE SEMAPHORE!\n");
|
||||
sleep(1);
|
||||
|
||||
/*
|
||||
* Release the semaphore and exit.
|
||||
*/
|
||||
s.sem_num = 0;
|
||||
s.sem_op = 1;
|
||||
s.sem_flg = SEM_UNDO;
|
||||
|
||||
if (semop(semid, &s, 1) == -1)
|
||||
err(1, "waiter: semop +1");
|
||||
|
||||
exit(0);
|
||||
}
|
||||
|
||||
/*
|
||||
* Test the SVID-compatible Shared Memory facility.
|
||||
*/
|
||||
|
||||
ATF_TC(shm);
|
||||
ATF_TC_HEAD(shm, tc)
|
||||
{
|
||||
|
||||
atf_tc_set_md_var(tc, "timeout", "3");
|
||||
atf_tc_set_md_var(tc, "descr", "Checks sysv shared memory");
|
||||
}
|
||||
|
||||
ATF_TC_BODY(shm, tc)
|
||||
{
|
||||
struct sigaction sa;
|
||||
struct shmid_ds s_ds;
|
||||
sigset_t sigmask;
|
||||
char *shm_buf;
|
||||
int c_status;
|
||||
|
||||
/*
|
||||
* Install a SIGSYS handler so that we can exit gracefully if
|
||||
* System V Shared Memory support isn't in the kernel.
|
||||
*/
|
||||
did_sigsys = 0;
|
||||
sa.sa_handler = sigsys_handler;
|
||||
sigemptyset(&sa.sa_mask);
|
||||
sa.sa_flags = 0;
|
||||
ATF_REQUIRE_MSG(sigaction(SIGSYS, &sa, NULL) != -1,
|
||||
"sigaction SIGSYS: %d", errno);
|
||||
|
||||
/*
|
||||
* Install a SIGCHLD handler to deal with all possible exit
|
||||
* conditions of the sharer.
|
||||
*/
|
||||
did_sigchild = 0;
|
||||
child_count = 0;
|
||||
sa.sa_handler = sigchld_handler;
|
||||
sigemptyset(&sa.sa_mask);
|
||||
sa.sa_flags = 0;
|
||||
ATF_REQUIRE_MSG(sigaction(SIGCHLD, &sa, NULL) != -1,
|
||||
"sigaction SIGCHLD: %d", errno);
|
||||
|
||||
pgsize = sysconf(_SC_PAGESIZE);
|
||||
|
||||
shmkey = ftok(token_key, 4160);
|
||||
ATF_REQUIRE_MSG(shmkey != (key_t)-1, "ftok failed");
|
||||
|
||||
/*
|
||||
* Initialize child_pid to ourselves to that the cleanup function
|
||||
* works before we create the receiver.
|
||||
*/
|
||||
child_pid = getpid();
|
||||
|
||||
/*
|
||||
* Make sure that when the sender exits, the message queue is
|
||||
* removed.
|
||||
*/
|
||||
ATF_REQUIRE_MSG(atexit(cleanup_shm) != -1,
|
||||
"atexit: %d", errno);
|
||||
|
||||
ATF_REQUIRE_MSG((sender_shmid = shmget(shmkey, pgsize,
|
||||
IPC_CREAT | 0640)) != -1,
|
||||
"shmget: %d", errno);
|
||||
|
||||
ATF_REQUIRE_MSG(shmctl(sender_shmid, IPC_STAT, &s_ds) != -1,
|
||||
"shmctl IPC_STAT: %d", errno);
|
||||
|
||||
print_shmid_ds(&s_ds, 0640);
|
||||
|
||||
s_ds.shm_perm.mode = (s_ds.shm_perm.mode & ~0777) | 0600;
|
||||
|
||||
ATF_REQUIRE_MSG(shmctl(sender_shmid, IPC_SET, &s_ds) != -1,
|
||||
"shmctl IPC_SET: %d", errno);
|
||||
|
||||
memset(&s_ds, 0, sizeof(s_ds));
|
||||
|
||||
ATF_REQUIRE_MSG(shmctl(sender_shmid, IPC_STAT, &s_ds) != -1,
|
||||
"shmctl IPC_STAT: %d", errno);
|
||||
|
||||
ATF_REQUIRE_MSG((s_ds.shm_perm.mode & 0777) == 0600,
|
||||
"IPC_SET of mode didn't hold");
|
||||
|
||||
print_shmid_ds(&s_ds, 0600);
|
||||
|
||||
shm_buf = shmat(sender_shmid, NULL, 0);
|
||||
ATF_REQUIRE_MSG(shm_buf != (void *) -1, "sender: shmat: %d", errno);
|
||||
|
||||
/*
|
||||
* Write the test pattern into the shared memory buffer.
|
||||
*/
|
||||
strcpy(shm_buf, m2_str);
|
||||
|
||||
switch ((child_pid = fork())) {
|
||||
case -1:
|
||||
atf_tc_fail("fork: %d", errno);
|
||||
return;
|
||||
|
||||
case 0:
|
||||
sharer();
|
||||
break;
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
/*
|
||||
* Wait for child to finish
|
||||
*/
|
||||
sigemptyset(&sigmask);
|
||||
(void) sigsuspend(&sigmask);
|
||||
|
||||
if (did_sigchild) {
|
||||
c_status = child_status;
|
||||
if (c_status < 0)
|
||||
atf_tc_fail("waitpid: %d", -c_status);
|
||||
else if (WIFEXITED(c_status) == 0)
|
||||
atf_tc_fail("c abnormal exit: %d", c_status);
|
||||
else if (WEXITSTATUS(c_status) != 0)
|
||||
atf_tc_fail("c status: %d", WEXITSTATUS(c_status));
|
||||
else {
|
||||
ATF_REQUIRE_MSG(shmctl(sender_shmid, IPC_STAT,
|
||||
&s_ds) != -1,
|
||||
"shmctl IPC_STAT: %d", errno);
|
||||
|
||||
print_shmid_ds(&s_ds, 0600);
|
||||
atf_tc_pass();
|
||||
}
|
||||
} else
|
||||
atf_tc_fail("sender: received unexpected signal");
|
||||
}
|
||||
|
||||
void
|
||||
cleanup_shm()
|
||||
{
|
||||
|
||||
/*
|
||||
* If we're the sender, and it exists, remove the shared memory area.
|
||||
*/
|
||||
if (child_pid != 0 && sender_shmid != -1) {
|
||||
if (shmctl(sender_shmid, IPC_RMID, NULL) == -1)
|
||||
warn("shmctl IPC_RMID");
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
print_shmid_ds(sp, mode)
|
||||
struct shmid_ds *sp;
|
||||
mode_t mode;
|
||||
{
|
||||
uid_t uid = geteuid();
|
||||
gid_t gid = getegid();
|
||||
|
||||
printf("PERM: uid %d, gid %d, cuid %d, cgid %d, mode 0%o\n",
|
||||
sp->shm_perm.uid, sp->shm_perm.gid,
|
||||
sp->shm_perm.cuid, sp->shm_perm.cgid,
|
||||
sp->shm_perm.mode & 0777);
|
||||
|
||||
printf("segsz %lu, lpid %d, cpid %d, nattch %u\n",
|
||||
(u_long)sp->shm_segsz, sp->shm_lpid, sp->shm_cpid,
|
||||
sp->shm_nattch);
|
||||
|
||||
printf("atime: %s", ctime(&sp->shm_atime));
|
||||
printf("dtime: %s", ctime(&sp->shm_dtime));
|
||||
printf("ctime: %s", ctime(&sp->shm_ctime));
|
||||
|
||||
/*
|
||||
* Sanity check a few things.
|
||||
*/
|
||||
|
||||
ATF_REQUIRE_MSG(sp->shm_perm.uid == uid && sp->shm_perm.cuid == uid,
|
||||
"uid mismatch");
|
||||
|
||||
ATF_REQUIRE_MSG(sp->shm_perm.gid == gid && sp->shm_perm.cgid == gid,
|
||||
"gid mismatch");
|
||||
|
||||
ATF_REQUIRE_MSG((sp->shm_perm.mode & 0777) == mode, "mode mismatch");
|
||||
}
|
||||
|
||||
void
|
||||
sharer()
|
||||
{
|
||||
int shmid;
|
||||
void *shm_buf;
|
||||
|
||||
shmid = shmget(shmkey, pgsize, 0);
|
||||
ATF_REQUIRE_MSG(shmid != -1, "receiver: shmget:%d", errno);
|
||||
|
||||
shm_buf = shmat(shmid, NULL, 0);
|
||||
ATF_REQUIRE_MSG(shm_buf != (void *) -1, "receiver: shmat: %d", errno);
|
||||
|
||||
printf("%s\n", (const char *)shm_buf);
|
||||
|
||||
ATF_REQUIRE_MSG(strcmp((const char *)shm_buf, m2_str) == 0,
|
||||
"receiver: data isn't correct");
|
||||
|
||||
exit(0);
|
||||
}
|
||||
|
||||
ATF_TP_ADD_TCS(tp)
|
||||
{
|
||||
int fd;
|
||||
char *tmpdir;
|
||||
|
||||
strlcpy(token_key, "/tmp/t_sysv.XXXXXX", sizeof(token_key));
|
||||
if ((tmpdir = mkdtemp(token_key)) == NULL)
|
||||
errx(1,"Failed to get a temp dirname for use as a key!");
|
||||
strlcpy(token_key, tmpdir, sizeof(token_key));
|
||||
strlcat(token_key, "token_key", sizeof(token_key));
|
||||
|
||||
/* Create the file, since ftok() requires it to exist! */
|
||||
|
||||
if ((fd = open(token_key, O_RDWR | O_CREAT | O_EXCL)) == -1)
|
||||
errx(1, "Failed to create ftok file: %s\n", strerror(errno));
|
||||
else
|
||||
close(fd);
|
||||
|
||||
ATF_TP_ADD_TC(tp, msg);
|
||||
ATF_TP_ADD_TC(tp, sem);
|
||||
ATF_TP_ADD_TC(tp, shm);
|
||||
|
||||
return atf_no_error();
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue