Add SysV IPC regression suite.
authorHiten Pandya <hmp@dragonflybsd.org>
Sat, 18 Oct 2003 12:13:01 +0000 (12:13 +0000)
committerHiten Pandya <hmp@dragonflybsd.org>
Sat, 18 Oct 2003 12:13:01 +0000 (12:13 +0000)
Obtained from: NetBSD

tools/regression/README
tools/regression/sysvmsg/Makefile [new file with mode: 0644]
tools/regression/sysvmsg/README [new file with mode: 0644]
tools/regression/sysvmsg/msgtest.c [new file with mode: 0644]
tools/regression/sysvsem/Makefile [new file with mode: 0644]
tools/regression/sysvsem/README [new file with mode: 0644]
tools/regression/sysvsem/semtest.c [new file with mode: 0644]
tools/regression/sysvshm/Makefile [new file with mode: 0644]
tools/regression/sysvshm/README [new file with mode: 0644]
tools/regression/sysvshm/shmtest.c [new file with mode: 0644]

index c1bcced..7500531 100644 (file)
@@ -1,5 +1,5 @@
 $FreeBSD: src/tools/regression/README,v 1.4 2000/02/16 14:28:20 dufault Exp $
-$DragonFly: src/tools/regression/README,v 1.2 2003/06/17 04:29:11 dillon Exp $
+$DragonFly: src/tools/regression/README,v 1.3 2003/10/18 12:13:01 hmp Exp $
 
 This directory is for regression test programs.
 
@@ -10,3 +10,6 @@ Please make a subdir per program, and add a brief description to this file.
 
 nfsmmap                Some tests to exercise some tricky cases in NFS and mmap
 p1003_1b       Exercise 1003.1B scheduler
+sysvmsg        SysV IPC Message Queue Regression Utility
+sysvsem        SysV IPC Semaphore Regression Utility
+sysvshm        SysV IPC Shared Memory Regression Utility
diff --git a/tools/regression/sysvmsg/Makefile b/tools/regression/sysvmsg/Makefile
new file mode 100644 (file)
index 0000000..f4eb9eb
--- /dev/null
@@ -0,0 +1,15 @@
+# $DragonFly: src/tools/regression/sysvmsg/Makefile,v 1.1 2003/10/18 12:13:01 hmp Exp $
+# SysV Message Queue Regression Utility
+# Obtained from: $NetBSD: Makefile,v 1.3 2002/03/05 21:56:59 thorpej Exp $
+
+PROG=  msgtest
+NOMAN= yes
+
+regress:
+       @if ./msgtest ./msgtest; then \
+               echo "PASS"; \
+       else \
+               echo "FAIL"; \
+       fi
+
+.include <bsd.prog.mk>
diff --git a/tools/regression/sysvmsg/README b/tools/regression/sysvmsg/README
new file mode 100644 (file)
index 0000000..220bf03
--- /dev/null
@@ -0,0 +1,15 @@
+$DragonFly: src/tools/regression/sysvmsg/README,v 1.1 2003/10/18 12:13:01 hmp Exp $
+
+SysV IPC Message Queue Regression Utility.
+
+This regression utility will test the SysV Message Queue facility
+in DragonFly.
+
+The test can be initiated by running ``make regress'', after
+running ``make''.
+
+Obtained from: The NetBSD Foundation.
+Date of port: October 18 2003
+
+  -- Hiten Pandya
+  -- hmp@backplane.com
diff --git a/tools/regression/sysvmsg/msgtest.c b/tools/regression/sysvmsg/msgtest.c
new file mode 100644 (file)
index 0000000..749ac36
--- /dev/null
@@ -0,0 +1,347 @@
+/*-
+ * Copyright (c) 1999 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
+ * NASA Ames Research Center.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *     This product includes software developed by the NetBSD
+ *     Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ * Obtained from: $NetBSD: msgtest.c,v 1.7 2002/07/20 08:36:25 grant Exp $
+ * $DragonFly: src/tools/regression/sysvmsg/msgtest.c,v 1.1 2003/10/18 12:13:01 hmp Exp $
+ */
+
+/*
+ * Test the SVID-compatible Message Queue facility.
+ */
+
+#include <sys/param.h>
+#include <sys/ipc.h>
+#include <sys/msg.h>
+#include <sys/wait.h>
+
+#include <err.h>
+#include <errno.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+
+void   print_msqid_ds (struct msqid_ds *, mode_t);
+void   sigsys_handler(int);
+void   sigchld_handler (int);
+void   cleanup (void);
+void   receiver (void);
+void   usage (void);
+
+#define        MESSAGE_TEXT_LEN        255
+
+/*
+ * Define it as test_mymsg because we already have struct mymsg and we dont
+ * want to conflict with it.  Also, regression fails when the default mymsg
+ * struct is used, because mtext[] array is '1', so the passed string cannot
+ * be processed.
+ */
+struct test_mymsg {
+       long    mtype;
+       char    mtext[MESSAGE_TEXT_LEN];
+};
+
+const char *m1_str = "California is overrated.";
+const char *m2_str = "The quick brown fox jumped over the lazy dog.";
+
+#define        MTYPE_1         1
+#define        MTYPE_1_ACK     2
+
+#define        MTYPE_2         3
+#define        MTYPE_2_ACK     4
+
+int    sender_msqid = -1;
+pid_t  child_pid;
+
+key_t  msgkey;
+
+int
+main(int argc, char *argv[])
+{
+       struct sigaction sa;
+       struct msqid_ds m_ds;
+       struct test_mymsg m;
+       sigset_t sigmask;
+
+       if (argc != 2)
+               usage();
+
+       /*
+        * Install a SIGSYS handler so that we can exit gracefully if
+        * System V Message Queue support isn't in the kernel.
+        */
+       sa.sa_handler = sigsys_handler;
+       sigemptyset(&sa.sa_mask);
+       sa.sa_flags = 0;
+       if (sigaction(SIGSYS, &sa, NULL) == -1)
+               err(1, "sigaction SIGSYS");
+
+       /*
+        * Install and SIGCHLD handler to deal with all possible exit
+        * conditions of the receiver.
+        */
+       sa.sa_handler = sigchld_handler;
+       sigemptyset(&sa.sa_mask);
+       sa.sa_flags = 0;
+       if (sigaction(SIGCHLD, &sa, NULL) == -1)
+               err(1, "sigaction SIGCHLD");
+
+       msgkey = ftok(argv[1], 4160);
+
+       /*
+        * 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.
+        */
+       if (atexit(cleanup) == -1)
+               err(1, "atexit");
+
+       if ((sender_msqid = msgget(msgkey, IPC_CREAT | 0640)) == -1)
+               err(1, "msgget");
+
+       if (msgctl(sender_msqid, IPC_STAT, &m_ds) == -1)
+               err(1, "msgctl IPC_STAT");
+
+       print_msqid_ds(&m_ds, 0640);
+
+       m_ds.msg_perm.mode = (m_ds.msg_perm.mode & ~0777) | 0600;
+
+       if (msgctl(sender_msqid, IPC_SET, &m_ds) == -1)
+               err(1, "msgctl IPC_SET");
+
+       bzero(&m_ds, sizeof m_ds);
+
+       if (msgctl(sender_msqid, IPC_STAT, &m_ds) == -1)
+               err(1, "msgctl IPC_STAT");
+
+       if ((m_ds.msg_perm.mode & 0777) != 0600)
+               err(1, "IPC_SET of mode didn't hold");
+
+       print_msqid_ds(&m_ds, 0600);
+
+       switch ((child_pid = fork())) {
+       case -1:
+               err(1, "fork");
+               /* NOTREACHED */
+
+       case 0:
+               receiver();
+               break;
+
+       default:
+               break;
+       }
+
+       /*
+        * Send the first message to the receiver and wait for the ACK.
+        */
+       m.mtype = MTYPE_1;
+       strcpy(m.mtext, m1_str);
+       if (msgsnd(sender_msqid, &m, sizeof(m), 0) == -1)
+               err(1, "sender: msgsnd 1");
+
+       if (msgrcv(sender_msqid, &m, sizeof(m), MTYPE_1_ACK, 0) != sizeof(m))
+               err(1, "sender: msgrcv 1 ack");
+
+       print_msqid_ds(&m_ds, 0600);
+
+       /*
+        * Send the second message to the receiver and wait for the ACK.
+        */
+       m.mtype = MTYPE_2;
+       strcpy(m.mtext, m2_str);
+       if (msgsnd(sender_msqid, &m, sizeof(m), 0) == -1)
+               err(1, "sender: msgsnd 2");
+
+       if (msgrcv(sender_msqid, &m, sizeof(m), MTYPE_2_ACK, 0) != sizeof(m))
+               err(1, "sender: msgrcv 2 ack");
+
+       /*
+        * Suspend forever; when we get SIGCHLD, the handler will exit.
+        */
+       sigemptyset(&sigmask);
+       (void) sigsuspend(&sigmask);
+
+       /*
+        * ...and any other signal is an unexpected error.
+        */
+       errx(1, "sender: received unexpected signal");
+}
+
+void
+sigsys_handler(int signo)
+{
+
+       errx(1, "System V Message Queue support is not present in the kernel");
+}
+
+void
+sigchld_handler(int signo)
+{
+       struct msqid_ds m_ds;
+       int cstatus;
+
+       /*
+        * Reap the child; if it exited successfully, then the test passed!
+        */
+       if (waitpid(child_pid, &cstatus, 0) != child_pid)
+               err(1, "waitpid");
+
+       if (WIFEXITED(cstatus) == 0)
+               errx(1, "receiver exited abnormally");
+
+       if (WEXITSTATUS(cstatus) != 0)
+               errx(1, "receiver exited with status %d",
+                   WEXITSTATUS(cstatus));
+
+       /*
+        * If we get here, the child has exited normally, and thus
+        * we should exit normally too.  First, tho, we print out
+        * the final stats for the message queue.
+        */
+
+       if (msgctl(sender_msqid, IPC_STAT, &m_ds) == -1)
+               err(1, "msgctl IPC_STAT");
+
+       print_msqid_ds(&m_ds, 0600);
+
+       exit(0);
+}
+
+void
+cleanup()
+{
+
+       /*
+        * If we're the sender, and it exists, remove the message queue.
+        */
+       if (child_pid != 0 && sender_msqid != -1) {
+               if (msgctl(sender_msqid, IPC_RMID, NULL) == -1)
+                       warn("msgctl IPC_RMID");
+       }
+}
+
+void
+print_msqid_ds(struct msqid_ds *mp, 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",
+           mp->msg_perm.uid, mp->msg_perm.gid,
+           mp->msg_perm.cuid, mp->msg_perm.cgid,
+           mp->msg_perm.mode & 0777);
+
+       printf("qnum %lu, qbytes %lu, lspid %d, lrpid %d\n",
+           mp->msg_qnum, (u_long)mp->msg_qbytes, mp->msg_lspid,
+           mp->msg_lrpid);
+
+       printf("stime: %s", ctime(&mp->msg_stime));
+       printf("rtime: %s", ctime(&mp->msg_rtime));
+       printf("ctime: %s", ctime(&mp->msg_ctime));
+
+       /*
+        * Sanity check a few things.
+        */
+
+       if (mp->msg_perm.uid != uid || mp->msg_perm.cuid != uid)
+               errx(1, "uid mismatch");
+
+       if (mp->msg_perm.gid != gid || mp->msg_perm.cgid != gid)
+               errx(1, "gid mismatch");
+
+       if ((mp->msg_perm.mode & 0777) != mode)
+               errx(1, "mode mismatch");
+}
+
+void
+usage()
+{
+
+       fprintf(stderr, "usage: %s keypath\n", getprogname());
+       exit(1);
+}
+
+void
+receiver()
+{
+       struct test_mymsg m;
+       int msqid;
+
+       if ((msqid = msgget(msgkey, 0)) == -1)
+               err(1, "receiver: msgget");
+
+       /*
+        * Receive the first message, print it, and send an ACK.
+        */
+
+       if (msgrcv(msqid, &m, sizeof(m), MTYPE_1, 0) != sizeof(m))
+               err(1, "receiver: msgrcv 1");
+
+       printf("%s\n", m.mtext);
+       if (strcmp(m.mtext, m1_str) != 0)
+               err(1, "receiver: message 1 data isn't correct");
+
+       m.mtype = MTYPE_1_ACK;
+
+       if (msgsnd(msqid, &m, sizeof(m), 0) == -1)
+               err(1, "receiver: msgsnd ack 1");
+
+       /*
+        * Receive the second message, print it, and send an ACK.
+        */
+
+       if (msgrcv(msqid, &m, sizeof(m), MTYPE_2, 0) != sizeof(m))
+               err(1, "receiver: msgrcv 2");
+
+       printf("%s\n", m.mtext);
+       if (strcmp(m.mtext, m2_str) != 0)
+               err(1, "receiver: message 2 data isn't correct");
+
+       m.mtype = MTYPE_2_ACK;
+
+       if (msgsnd(msqid, &m, sizeof(m), 0) == -1)
+               err(1, "receiver: msgsnd ack 2");
+
+       exit(0);
+}
diff --git a/tools/regression/sysvsem/Makefile b/tools/regression/sysvsem/Makefile
new file mode 100644 (file)
index 0000000..bfe72e9
--- /dev/null
@@ -0,0 +1,15 @@
+# $DragonFly: src/tools/regression/sysvsem/Makefile,v 1.1 2003/10/18 12:13:01 hmp Exp $
+# SysV Semaphores Regression Utility 
+# Obtained from: $NetBSD: Makefile,v 1.3 2002/03/05 21:57:00 thorpej Exp $
+
+PROG=  semtest
+NOMAN= yes
+
+regress:
+       @if ./semtest ./semtest; then \
+               echo "PASS"; \
+       else \
+               echo "FAIL"; \
+       fi
+
+.include <bsd.prog.mk>
diff --git a/tools/regression/sysvsem/README b/tools/regression/sysvsem/README
new file mode 100644 (file)
index 0000000..6ab5e8c
--- /dev/null
@@ -0,0 +1,15 @@
+$DragonFly: src/tools/regression/sysvsem/README,v 1.1 2003/10/18 12:13:01 hmp Exp $
+
+SysV IPC Semaphore Regression Utility.
+
+This regression utility will test the SysV semaphore functionality
+in DragonFly.
+
+The test can be initiated by running ``make regress'', after
+running ``make''.
+
+Obtained from: NetBSD Foundation Inc.
+Date of port: 18 October 2003
+
+  -- Hiten Pandya
+  -- hmp@backplane.com
diff --git a/tools/regression/sysvsem/semtest.c b/tools/regression/sysvsem/semtest.c
new file mode 100644 (file)
index 0000000..39fd4e5
--- /dev/null
@@ -0,0 +1,348 @@
+/*-
+ * Copyright (c) 1999 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
+ * NASA Ames Research Center.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *     This product includes software developed by the NetBSD
+ *     Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Obtained from: $NetBSD: semtest.c,v 1.4 2002/07/20 08:36:25 grant Exp $
+ * $DragonFly: src/tools/regression/sysvsem/semtest.c,v 1.1 2003/10/18 12:13:01 hmp Exp $
+ */
+
+/*
+ * Test the SVID-compatible Semaphore facility.
+ */
+
+#include <sys/param.h>
+#include <sys/ipc.h>
+#include <sys/sem.h>
+#include <sys/wait.h>
+
+#include <err.h>
+#include <errno.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+
+int    main (int, char *[]);
+void   print_semid_ds (struct semid_ds *, mode_t);
+void   sigsys_handler (int);
+void   sigchld_handler(int);
+void   cleanup (void);
+void   waiter (void);
+void   usage (void);
+
+int    sender_semid = -1;
+pid_t  child_pid;
+int    child_count;
+int    signal_was_sigchld;
+
+key_t  semkey;
+
+/*
+ * This is the original semun union used by the sysvsem utility.
+ * It is deliberately kept here under #if 0'ed condition for future
+ * reference. PLEASE DO NOT REMOVE.  The {SET,GET}ALL in DragonFly
+ * are signed values, so the default version in sys/sem.h suffices.
+ */
+#if 0
+union semun {
+       int     val;            /* value for SETVAL */
+       struct  semid_ds *buf;  /* buffer for IPC_{STAT,SET} */
+       u_short *array;         /* array for GETALL & SETALL */
+};
+#endif
+
+int
+main(int argc, char *argv[])
+{
+       struct sigaction sa;
+       union semun sun;
+       struct semid_ds s_ds;
+       sigset_t sigmask;
+       int i;
+
+       if (argc != 2)
+               usage();
+
+       /*
+        * Install a SIGSYS handler so that we can exit gracefully if
+        * System V Semaphore support isn't in the kernel.
+        */
+       sa.sa_handler = sigsys_handler;
+       sigemptyset(&sa.sa_mask);
+       sa.sa_flags = 0;
+       if (sigaction(SIGSYS, &sa, NULL) == -1)
+               err(1, "sigaction SIGSYS");
+
+       /*
+        * Install and SIGCHLD handler to deal with all possible exit
+        * conditions of the receiver.
+        */
+       sa.sa_handler = sigchld_handler;
+       sigemptyset(&sa.sa_mask);
+       sa.sa_flags = 0;
+       if (sigaction(SIGCHLD, &sa, NULL) == -1)
+               err(1, "sigaction SIGCHLD");
+
+       semkey = ftok(argv[1], 4160);
+
+       /*
+        * 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.
+        */
+       if (atexit(cleanup) == -1)
+               err(1, "atexit");
+
+       if ((sender_semid = semget(semkey, 1, IPC_CREAT | 0640)) == -1)
+               err(1, "semget");
+
+       
+       sun.buf = &s_ds;
+       if (semctl(sender_semid, 0, IPC_STAT, sun) == -1)
+               err(1, "semctl IPC_STAT");
+
+       print_semid_ds(&s_ds, 0640);
+
+       s_ds.sem_perm.mode = (s_ds.sem_perm.mode & ~0777) | 0600;
+
+       sun.buf = &s_ds;
+       if (semctl(sender_semid, 0, IPC_SET, sun) == -1)
+               err(1, "semctl IPC_SET");
+
+       memset(&s_ds, 0, sizeof(s_ds));
+
+       sun.buf = &s_ds;
+       if (semctl(sender_semid, 0, IPC_STAT, sun) == -1)
+               err(1, "semctl IPC_STAT");
+
+       if ((s_ds.sem_perm.mode & 0777) != 0600)
+               err(1, "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:
+                       err(1, "fork");
+                       /* NOTREACHED */
+
+               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)
+                       err(1, "semctl GETNCNT");
+               if (i == 5)
+                       break;
+       }
+
+       /*
+        * Now set the thundering herd in motion by initializing the
+        * semaphore to the value 1.
+        */
+       sun.val = 1;
+       if (semctl(sender_semid, 0, SETVAL, sun) == -1)
+               err(1, "sender: semctl SETVAL to 1");
+
+       /*
+        * Suspend forever; when we get SIGCHLD, the handler will exit.
+        */
+       sigemptyset(&sigmask);
+       for (;;) {
+               (void) sigsuspend(&sigmask);
+               if (signal_was_sigchld)
+                       signal_was_sigchld = 0;
+               else
+                       break;
+       }
+
+       /*
+        * ...and any other signal is an unexpected error.
+        */
+       errx(1, "sender: received unexpected signal");
+}
+
+void
+sigsys_handler(int signo)
+{
+
+       errx(1, "System V Semaphore support is not present in the kernel");
+}
+
+void
+sigchld_handler(int signo)
+{
+       union semun sun;
+       struct semid_ds s_ds;
+       int cstatus;
+
+       /*
+        * Reap the child; if it exited successfully, then we're on the
+        * right track!
+        */
+       if (wait(&cstatus) == -1)
+               err(1, "wait");
+
+       if (WIFEXITED(cstatus) == 0)
+               errx(1, "receiver exited abnormally");
+
+       if (WEXITSTATUS(cstatus) != 0)
+               errx(1, "receiver exited with status %d",
+                   WEXITSTATUS(cstatus));
+
+       /*
+        * If we get here, the child has exited normally, and we should
+        * decrement the child count.  If the child_count reaches 0, we
+        * should exit.
+        */
+
+       sun.buf = &s_ds;
+       if (semctl(sender_semid, 0, IPC_STAT, sun) == -1)
+               err(1, "semctl IPC_STAT");
+
+       print_semid_ds(&s_ds, 0600);
+
+       if (--child_count != 0) {
+               signal_was_sigchld = 1;
+               return;
+       }
+
+       exit(0);
+}
+
+void
+cleanup()
+{
+
+       /*
+        * If we're the sender, and it exists, remove the message queue.
+        */
+       if (child_pid != 0 && sender_semid != -1) {
+               if (semctl(sender_semid, 0, IPC_RMID) == -1)
+                       warn("semctl IPC_RMID");
+       }
+}
+
+void
+print_semid_ds(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.
+        */
+
+       if (sp->sem_perm.uid != uid || sp->sem_perm.cuid != uid)
+               errx(1, "uid mismatch");
+
+       if (sp->sem_perm.gid != gid || sp->sem_perm.cgid != gid)
+               errx(1, "gid mismatch");
+
+       if ((sp->sem_perm.mode & 0777) != mode)
+               errx(1, "mode mismatch %o != %o",
+                   (sp->sem_perm.mode & 0777), mode);
+}
+
+void
+usage()
+{
+
+       fprintf(stderr, "usage: %s keypath\n", getprogname());
+       exit(1);
+}
+
+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);
+}
diff --git a/tools/regression/sysvshm/Makefile b/tools/regression/sysvshm/Makefile
new file mode 100644 (file)
index 0000000..f02286b
--- /dev/null
@@ -0,0 +1,15 @@
+# $DragonFly: src/tools/regression/sysvshm/Makefile,v 1.1 2003/10/18 12:13:01 hmp Exp $
+# SysV Shared Memory Regression Utility
+# Obtained from: $NetBSD: Makefile,v 1.3 2002/03/05 21:57:00 thorpej Exp $
+
+PROG=  shmtest
+NOMAN= yes
+
+regress:
+       @if ./shmtest ./shmtest; then \
+               echo "PASS"; \
+       else \
+               echo "FAIL"; \
+       fi
+
+.include <bsd.prog.mk>
diff --git a/tools/regression/sysvshm/README b/tools/regression/sysvshm/README
new file mode 100644 (file)
index 0000000..1640a65
--- /dev/null
@@ -0,0 +1,15 @@
+$DragonFly: src/tools/regression/sysvshm/README,v 1.1 2003/10/18 12:13:01 hmp Exp $
+
+SysV IPC Shared Memory Regression Utility.
+
+This regression utility will test the SysV Shared Memory facility
+in DragonFly.
+
+The test can be initiated by running ``make regress'', after
+running ``make''.
+
+Obtained from: The NetBSD Foundation.
+Date of port: 18 October 2003
+
+  -- Hiten Pandya
+  -- hmp@backplane.com
diff --git a/tools/regression/sysvshm/shmtest.c b/tools/regression/sysvshm/shmtest.c
new file mode 100644 (file)
index 0000000..fc6c027
--- /dev/null
@@ -0,0 +1,297 @@
+/*-
+ * Copyright (c) 1999 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
+ * NASA Ames Research Center.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *     This product includes software developed by the NetBSD
+ *     Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Obtained from: $NetBSD: shmtest.c,v 1.3 2002/07/20 08:36:26 grant Exp $
+ * $DragonFly: src/tools/regression/sysvshm/shmtest.c,v 1.1 2003/10/18 12:13:01 hmp Exp $
+ */
+
+/*
+ * Test the SVID-compatible Shared Memory facility.
+ */
+
+#include <sys/param.h>
+#include <sys/ipc.h>
+#include <sys/shm.h>
+#include <sys/wait.h>
+
+#include <err.h>
+#include <errno.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+
+int    main __P((int, char *[]));
+void   print_shmid_ds __P((struct shmid_ds *, mode_t));
+void   sigsys_handler __P((int));
+void   sigchld_handler __P((int));
+void   cleanup __P((void));
+void   receiver __P((void));
+void   usage __P((void));
+
+const char *m_str = "The quick brown fox jumped over the lazy dog.";
+
+int    sender_shmid = -1;
+pid_t  child_pid;
+
+key_t  shmkey;
+
+size_t pgsize;
+
+int
+main(argc, argv)
+       int argc;
+       char *argv[];
+{
+       struct sigaction sa;
+       struct shmid_ds s_ds;
+       sigset_t sigmask;
+       char *shm_buf;
+
+       if (argc != 2)
+               usage();
+
+       /*
+        * Install a SIGSYS handler so that we can exit gracefully if
+        * System V Shared Memory support isn't in the kernel.
+        */
+       sa.sa_handler = sigsys_handler;
+       sigemptyset(&sa.sa_mask);
+       sa.sa_flags = 0;
+       if (sigaction(SIGSYS, &sa, NULL) == -1)
+               err(1, "sigaction SIGSYS");
+
+       /*
+        * Install and SIGCHLD handler to deal with all possible exit
+        * conditions of the receiver.
+        */
+       sa.sa_handler = sigchld_handler;
+       sigemptyset(&sa.sa_mask);
+       sa.sa_flags = 0;
+       if (sigaction(SIGCHLD, &sa, NULL) == -1)
+               err(1, "sigaction SIGCHLD");
+
+       pgsize = sysconf(_SC_PAGESIZE);
+
+       shmkey = ftok(argv[1], 4160);
+
+       /*
+        * 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.
+        */
+       if (atexit(cleanup) == -1)
+               err(1, "atexit");
+
+       if ((sender_shmid = shmget(shmkey, pgsize, IPC_CREAT | 0640)) == -1)
+               err(1, "shmget");
+
+       if (shmctl(sender_shmid, IPC_STAT, &s_ds) == -1)
+               err(1, "shmctl IPC_STAT");
+
+       print_shmid_ds(&s_ds, 0640);
+
+       s_ds.shm_perm.mode = (s_ds.shm_perm.mode & ~0777) | 0600;
+
+       if (shmctl(sender_shmid, IPC_SET, &s_ds) == -1)
+               err(1, "shmctl IPC_SET");
+
+       memset(&s_ds, 0, sizeof(s_ds));
+
+       if (shmctl(sender_shmid, IPC_STAT, &s_ds) == -1)
+               err(1, "shmctl IPC_STAT");
+
+       if ((s_ds.shm_perm.mode & 0777) != 0600)
+               err(1, "IPC_SET of mode didn't hold");
+
+       print_shmid_ds(&s_ds, 0600);
+
+       if ((shm_buf = shmat(sender_shmid, NULL, 0)) == (void *) -1)
+               err(1, "sender: shmat");
+
+       /*
+        * Write the test pattern into the shared memory buffer.
+        */
+       strcpy(shm_buf, m_str);
+
+       switch ((child_pid = fork())) {
+       case -1:
+               err(1, "fork");
+               /* NOTREACHED */
+
+       case 0:
+               receiver();
+               break;
+
+       default:
+               break;
+       }
+
+       /*
+        * Suspend forever; when we get SIGCHLD, the handler will exit.
+        */
+       sigemptyset(&sigmask);
+       (void) sigsuspend(&sigmask);
+
+       /*
+        * ...and any other signal is an unexpected error.
+        */
+       errx(1, "sender: received unexpected signal");
+}
+
+void
+sigsys_handler(signo)
+       int signo;
+{
+
+       errx(1, "System V Shared Memory support is not present in the kernel");
+}
+
+void
+sigchld_handler(signo)
+       int signo;
+{
+       struct shmid_ds s_ds;
+       int cstatus;
+
+       /*
+        * Reap the child; if it exited successfully, then the test passed!
+        */
+       if (waitpid(child_pid, &cstatus, 0) != child_pid)
+               err(1, "waitpid");
+
+       if (WIFEXITED(cstatus) == 0)
+               errx(1, "receiver exited abnormally");
+
+       if (WEXITSTATUS(cstatus) != 0)
+               errx(1, "receiver exited with status %d",
+                   WEXITSTATUS(cstatus));
+
+       /*
+        * If we get here, the child has exited normally, and thus
+        * we should exit normally too.  First, tho, we print out
+        * the final stats for the message queue.
+        */
+
+       if (shmctl(sender_shmid, IPC_STAT, &s_ds) == -1)
+               err(1, "shmctl IPC_STAT");
+
+       print_shmid_ds(&s_ds, 0600);
+
+       exit(0);
+}
+
+void
+cleanup()
+{
+
+       /*
+        * 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.
+        */
+
+       if (sp->shm_perm.uid != uid || sp->shm_perm.cuid != uid)
+               errx(1, "uid mismatch");
+
+       if (sp->shm_perm.gid != gid || sp->shm_perm.cgid != gid)
+               errx(1, "gid mismatch");
+
+       if ((sp->shm_perm.mode & 0777) != mode)
+               errx(1, "mode mismatch");
+}
+
+void
+usage()
+{
+
+       fprintf(stderr, "usage: %s keypath\n", getprogname());
+       exit(1);
+}
+
+void
+receiver()
+{
+       int shmid;
+       void *shm_buf;
+
+       if ((shmid = shmget(shmkey, pgsize, 0)) == -1)
+               err(1, "receiver: shmget");
+
+       if ((shm_buf = shmat(shmid, NULL, 0)) == (void *) -1)
+               err(1, "receiver: shmat");
+
+       printf("%s\n", (const char *)shm_buf);
+       if (strcmp((const char *)shm_buf, m_str) != 0)
+               err(1, "receiver: data isn't correct");
+
+       exit(0);
+}