+/* IPCTestId.c
+ *
+ * Copyright (C) 2001 Simone Piccardi
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+/****************************************************************
+ *
+ * Program IPCTestId.c:
+ * Program to test IPC identifiers
+ *
+ * Author: Simone Piccardi
+ * Aug. 2002
+ *
+ * Usage: ipctestid -h give all info's
+ *
+ * $Id: IPCTestId.c,v 1.1 2002/08/16 22:29:38 piccardi Exp $
+ *
+ ****************************************************************/
+/*
+ * Include needed headers
+ */
+#include <errno.h> /* error definitions and routines */
+#include <stdlib.h> /* C standard library */
+#include <unistd.h> /* unix standard library */
+#include <stdio.h> /* standard I/O library */
+#include <string.h> /* string functions */
+#include <sys/ipc.h> /* SysV IPC functions */
+#include <sys/msg.h> /* SysV Message Queue */
+#include <sys/sem.h> /* SysV Semaphores */
+#include <sys/shm.h> /* SysV Shared Memory */
+
+#include "macros.h" /* My macros */
+/* Help printing routine */
+void usage(void);
+
+int main(int argc, char *argv[])
+{
+/*
+ * Variables definition
+ */
+ int i;
+ int n = 10; /* default is 10 tryes */
+ char type='q'; /* default is use queues */
+ int id;
+ /*
+ * Input section: decode command line parameters
+ * Use getopt function
+ */
+ opterr = 0; /* don't want writing to stderr */
+ while ( (i = getopt(argc, argv, "hqsmn:")) != -1) {
+ switch (i) {
+ /*
+ * Handling options
+ */
+ case 'h': /* help option */
+ printf("Wrong -h option use\n");
+ usage();
+ return -1;
+ break;
+ case 'q': /* Message Queue */
+ debug("Message Queue\n");
+ type = i;
+ break;
+ case 's': /* Semaphore */
+ debug("Semaphore\n");
+ type = i;
+ break;
+ case 'm': /* Shared Memory */
+ debug("Shared Memory\n");
+ type = i;
+ break;
+ case 'n': /* Number of tryes */
+ debug("Number of tryes\n");
+ n = strtol(optarg, NULL, 10);
+ break;
+ default: /* should not reached */
+ usage();
+ }
+ }
+ /* ***********************************************************
+ *
+ * Options processing completed
+ *
+ * Main code beginning
+ *
+ * ***********************************************************/
+ switch (type) {
+ case 'q': /* Message Queue */
+ debug("Message Queue Try\n");
+ for (i=0; i<n; i++) {
+ id = msgget(IPC_PRIVATE, IPC_CREAT|0666);
+ printf("Identifier Value %d \n", id);
+ msgctl(id, IPC_RMID, NULL);
+ }
+ break;
+ case 's': /* Semaphore */
+ debug("Semaphore\n");
+ for (i=0; i<n; i++) {
+ id = semget(IPC_PRIVATE, 1, IPC_CREAT|0666);
+ printf("Identifier Value %d \n", id);
+ semctl(id, 0, IPC_RMID);
+ }
+ break;
+ case 'm': /* Shared Memory */
+ debug("Shared Memory\n");
+ for (i=0; i<n; i++) {
+ id = shmget(IPC_PRIVATE, 1000, IPC_CREAT|0666);
+ printf("Identifier Value %d \n", id);
+ shmctl(id, IPC_RMID, NULL);
+ }
+ break;
+ default: /* should not reached */
+ return -1;
+ }
+ return 0;
+}
+/*
+ * routine to print usage info and exit
+ */
+void usage(void) {
+ printf("Program ipctestid : test IPC identifier number assignment\n");
+ printf("Usage:\n");
+ printf(" ipctestid [-h] [-qsm] [-n N] \n");
+ printf(" -h print this help\n");
+ printf(" -q try for message queue identifiers\n");
+ printf(" -s try for semaphore identifiers\n");
+ printf(" -m try for shared memory identifiers\n");
+ printf(" -n XX try XX times\n");
+
+ exit(1);
+}
+
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