* Makefile.in: Add rules to build ipcrm and ipcs.

	* ipcrm.c: New file.
	* ipcs.c: New file.

1 files changed, 182 insertions, 0 deletions

diff --git a/winsup/utils/ipcrm.c b/winsup/utils/ipcrm.c
new file mode 100644
index 000000000..bc17b6ad4
--- /dev/null
+++ b/winsup/utils/ipcrm.c
@@ -0,0 +1,182 @@
+/*
+ * Copyright (c) 1994 Adam Glass
+ * All rights reserved.
+ *
+ * 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 Adam Glass.
+ * 4. The name of the Author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Adam Glass ``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 Adam Glass 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.
+ */
+
+#include <sys/cdefs.h>
+#ifndef __FBSDID
+#define __FBSDID(s)	const char version[] = (s)
+#endif
+__FBSDID("$FreeBSD: /repoman/r/ncvs/src/usr.bin/ipcrm/ipcrm.c,v 1.11 2002/09/04 23:29:02 dwmalone Exp $");
+
+#include <ctype.h>
+#include <err.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#ifndef _KERNEL
+#define _KERNEL 1
+#endif
+#include <sys/ipc.h>
+#include <sys/msg.h>
+#include <sys/sem.h>
+#include <sys/shm.h>
+
+#ifdef __GNUC__
+#define __unused __attribute__((unused))
+#endif
+
+#define IPC_TO_STR(x) (x == 'Q' ? "msq" : (x == 'M' ? "shm" : "sem"))
+#define IPC_TO_STRING(x) (x == 'Q' ? "message queue" : \
+	(x == 'M' ? "shared memory segment" : "semaphore"))
+
+int signaled;
+
+void usage(void);
+int msgrm(key_t, int);
+int shmrm(key_t, int);
+int semrm(key_t, int);
+void not_configured(int);
+
+void usage(void)
+{
+	fprintf(stderr, "%s\n%s\n",
+		"usage: ipcrm [-q msqid] [-m shmid] [-s semid]",
+		"             [-Q msgkey] [-M shmkey] [-S semkey] ...");
+	exit(1);
+}
+
+int msgrm(key_t key, int id)
+{
+    if (key) {
+	id = msgget(key, 0);
+	if (id == -1)
+	    return -1;
+    }
+    return msgctl(id, IPC_RMID, NULL);
+}
+
+int shmrm(key_t key, int id)
+{
+    if (key) {
+	id = shmget(key, 0, 0);
+	if (id == -1)
+	    return -1;
+    }
+    return shmctl(id, IPC_RMID, NULL);
+}
+
+int semrm(key_t key, int id)
+{
+    union semun arg;
+
+    if (key) {
+	id = semget(key, 0, 0);
+	if (id == -1)
+	    return -1;
+    }
+    return semctl(id, 0, IPC_RMID, arg);
+}
+
+void not_configured(int signo __unused)
+{
+    signaled++;
+}
+
+int main(int argc, char *argv[])
+{
+    int c, result, errflg, target_id;
+    key_t target_key;
+
+    errflg = 0;
+    signal(SIGSYS, not_configured);
+    while ((c = getopt(argc, argv, ":q:m:s:Q:M:S:")) != -1) {
+
+	signaled = 0;
+	switch (c) {
+	case 'q':
+	case 'm':
+	case 's':
+	    target_id = atoi(optarg);
+	    if (c == 'q')
+		result = msgrm(0, target_id);
+	    else if (c == 'm')
+		result = shmrm(0, target_id);
+	    else
+		result = semrm(0, target_id);
+	    if (result < 0) {
+		errflg++;
+		if (!signaled)
+		    warn("%sid(%d): ", IPC_TO_STR(toupper(c)), target_id);
+		else
+		    warnx("%ss are not configured in the running kernel",
+			  IPC_TO_STRING(toupper(c)));
+	    }
+	    break;
+	case 'Q':
+	case 'M':
+	case 'S':
+	    target_key = strtoull(optarg, NULL, 10);
+	    if (target_key == IPC_PRIVATE) {
+		warnx("can't remove private %ss", IPC_TO_STRING(c));
+		continue;
+	    }
+	    if (c == 'Q')
+		result = msgrm(target_key, 0);
+	    else if (c == 'M')
+		result = shmrm(target_key, 0);
+	    else
+		result = semrm(target_key, 0);
+	    if (result < 0) {
+		errflg++;
+		if (!signaled)
+		    warn("%ss(%lld): ", IPC_TO_STR(c), target_key);
+		else
+		    warnx("%ss are not configured in the running kernel",
+			  IPC_TO_STRING(c));
+	    }
+	    break;
+	case ':':
+	    fprintf(stderr, "option -%c requires an argument\n", optopt);
+	    usage();
+	case '?':
+	    fprintf(stderr, "unrecognized option: -%c\n", optopt);
+	    usage();
+	}
+    }
+
+    if (optind != argc) {
+	    fprintf(stderr, "unknown argument: %s\n", argv[optind]);
+	    usage();
+    }
+    exit(errflg);
+}
+