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[gapil.git] / sources / IPCTestId.c

diff --git a/sources/IPCTestId.c b/sources/IPCTestId.c
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+/* 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 1.4 2003/05/02 09:55:14 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 = 5;                                        /* 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);
+}
+