Adding upstream version 2.33.1.upstream/2.33.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 163 insertions, 0 deletions

diff --git a/sys-utils/ipcmk.c b/sys-utils/ipcmk.c
new file mode 100644
index 0000000..df83652
--- /dev/null
+++ b/sys-utils/ipcmk.c
@@ -0,0 +1,163 @@
+/*
+ *  ipcmk.c - used to create ad-hoc IPC segments
+ *
+ *  Copyright (C) 2008 Hayden A. James (hayden.james@gmail.com)
+ *  Copyright (C) 2008 Karel Zak <kzak@redhat.com>
+ *
+ *  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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <errno.h>
+#include <getopt.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/ipc.h>
+#include <sys/msg.h>
+#include <sys/sem.h>
+#include <sys/shm.h>
+#include <sys/time.h>
+
+#include "c.h"
+#include "nls.h"
+#include "randutils.h"
+#include "strutils.h"
+#include "closestream.h"
+
+static int create_shm(size_t size, int permission)
+{
+	key_t key;
+
+	random_get_bytes(&key, sizeof(key));
+	return shmget(key, size, permission | IPC_CREAT);
+}
+
+static int create_msg(int permission)
+{
+	key_t key;
+
+	random_get_bytes(&key, sizeof(key));
+	return msgget(key, permission | IPC_CREAT);
+}
+
+static int create_sem(int nsems, int permission)
+{
+	key_t key;
+
+	random_get_bytes(&key, sizeof(key));
+	return semget(key, nsems, permission | IPC_CREAT);
+}
+
+static void __attribute__((__noreturn__)) usage(void)
+{
+	FILE *out = stdout;
+	fputs(USAGE_HEADER, out);
+	fprintf(out, _(" %s [options]\n"), program_invocation_short_name);
+
+	fputs(USAGE_SEPARATOR, out);
+	fputs(_("Create various IPC resources.\n"), out);
+
+	fputs(USAGE_OPTIONS, out);
+	fputs(_(" -M, --shmem <size>       create shared memory segment of size <size>\n"), out);
+	fputs(_(" -S, --semaphore <number> create semaphore array with <number> elements\n"), out);
+	fputs(_(" -Q, --queue              create message queue\n"), out);
+	fputs(_(" -p, --mode <mode>        permission for the resource (default is 0644)\n"), out);
+
+	fputs(USAGE_SEPARATOR, out);
+	printf(USAGE_HELP_OPTIONS(26));
+	printf(USAGE_MAN_TAIL("ipcmk(1)"));
+
+	exit(EXIT_SUCCESS);
+}
+
+int main(int argc, char **argv)
+{
+	int permission = 0644;
+	int opt;
+	size_t size = 0;
+	int nsems = 0;
+	int ask_shm = 0, ask_msg = 0, ask_sem = 0;
+	static const struct option longopts[] = {
+		{"shmem", required_argument, NULL, 'M'},
+		{"semaphore", required_argument, NULL, 'S'},
+		{"queue", no_argument, NULL, 'Q'},
+		{"mode", required_argument, NULL, 'p'},
+		{"version", no_argument, NULL, 'V'},
+		{"help", no_argument, NULL, 'h'},
+		{NULL, 0, NULL, 0}
+	};
+
+	setlocale(LC_ALL, "");
+	bindtextdomain(PACKAGE, LOCALEDIR);
+	textdomain(PACKAGE);
+	atexit(close_stdout);
+
+	while((opt = getopt_long(argc, argv, "hM:QS:p:Vh", longopts, NULL)) != -1) {
+		switch(opt) {
+		case 'M':
+			size = strtosize_or_err(optarg, _("failed to parse size"));
+			ask_shm = 1;
+			break;
+		case 'Q':
+			ask_msg = 1;
+			break;
+		case 'S':
+			nsems = strtos32_or_err(optarg, _("failed to parse elements"));
+			ask_sem = 1;
+			break;
+		case 'p':
+			permission = strtoul(optarg, NULL, 8);
+			break;
+		case 'h':
+			usage();
+			break;
+		case 'V':
+			printf(UTIL_LINUX_VERSION);
+			return EXIT_SUCCESS;
+		default:
+			errtryhelp(EXIT_FAILURE);
+		}
+	}
+
+	if(!ask_shm && !ask_msg && !ask_sem) {
+		warnx(_("bad usage"));
+		errtryhelp(EXIT_FAILURE);
+	}
+	if (ask_shm) {
+		int shmid;
+		if (-1 == (shmid = create_shm(size, permission)))
+			err(EXIT_FAILURE, _("create share memory failed"));
+		else
+			printf(_("Shared memory id: %d\n"), shmid);
+	}
+
+	if (ask_msg) {
+		int msgid;
+		if (-1 == (msgid = create_msg(permission)))
+			err(EXIT_FAILURE, _("create message queue failed"));
+		else
+			printf(_("Message queue id: %d\n"), msgid);
+	}
+
+	if (ask_sem) {
+		int semid;
+		if (-1 == (semid = create_sem(nsems, permission)))
+			err(EXIT_FAILURE, _("create semaphore failed"));
+		else
+			printf(_("Semaphore id: %d\n"), semid);
+	}
+
+	return EXIT_SUCCESS;
+}