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      1 /*
      2  * Copyright (c) 2000 Silicon Graphics, Inc.  All Rights Reserved.
      3  *
      4  * This program is free software; you can redistribute it and/or modify it
      5  * under the terms of version 2 of the GNU General Public License as
      6  * published by the Free Software Foundation.
      7  *
      8  * This program is distributed in the hope that it would be useful, but
      9  * WITHOUT ANY WARRANTY; without even the implied warranty of
     10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
     11  *
     12  * Further, this software is distributed without any warranty that it is
     13  * free of the rightful claim of any third person regarding infringement
     14  * or the like.  Any license provided herein, whether implied or
     15  * otherwise, applies only to this software file.  Patent licenses, if
     16  * any, provided herein do not apply to combinations of this program with
     17  * other software, or any other product whatsoever.
     18  *
     19  * You should have received a copy of the GNU General Public License along
     20  * with this program; if not, write the Free Software Foundation, Inc.,
     21  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
     22  *
     23  * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
     24  * Mountain View, CA  94043, or:
     25  *
     26  * http://www.sgi.com
     27  *
     28  * For further information regarding this notice, see:
     29  *
     30  * http://oss.sgi.com/projects/GenInfo/NoticeExplan/
     31  *
     32  */
     33 /* $Id: ltp-bump.c,v 1.1 2009/05/19 09:39:11 subrata_modak Exp $ */
     34 #include <stdio.h>
     35 #include <errno.h>
     36 #include <sys/signal.h>
     37 #include <string.h>
     38 #include <stdlib.h>
     39 #include <unistd.h>
     40 
     41 #include "zoolib.h"
     42 
     43 pid_t read_active(FILE * fp, char *name);
     44 
     45 int main(int argc, char **argv)
     46 {
     47 	int c;
     48 	char *active = NULL;
     49 	pid_t nanny;
     50 	zoo_t zoo;
     51 	int sig = SIGINT;
     52 
     53 	while ((c = getopt(argc, argv, "a:s:12")) != -1) {
     54 		switch (c) {
     55 		case 'a':
     56 			active = malloc(strlen(optarg) + 1);
     57 			strcpy(active, optarg);
     58 			break;
     59 		case 's':
     60 			sig = atoi(optarg);
     61 			break;
     62 		case '1':
     63 			sig = SIGUSR1;
     64 			break;
     65 		case '2':
     66 			sig = SIGUSR2;
     67 			break;
     68 		}
     69 	}
     70 
     71 	if (active == NULL) {
     72 		active = zoo_getname();
     73 		if (active == NULL) {
     74 			fprintf(stderr,
     75 				"ltp-bump: Must supply -a or set ZOO env variable\n");
     76 			exit(1);
     77 		}
     78 	}
     79 
     80 	if (optind == argc) {
     81 		fprintf(stderr, "ltp-bump: Must supply names\n");
     82 		exit(1);
     83 	}
     84 
     85 	/* need r+ here because we're using write-locks */
     86 	if ((zoo = zoo_open(active)) == NULL) {
     87 		fprintf(stderr, "ltp-bump: %s\n", zoo_error);
     88 		exit(1);
     89 	}
     90 
     91 	while (optind < argc) {
     92 		/*printf("argv[%d] = (%s)\n", optind, argv[optind] ); */
     93 		nanny = zoo_getpid(zoo, argv[optind]);
     94 		if (nanny == -1) {
     95 			fprintf(stderr, "ltp-bump: Did not find tag '%s'\n",
     96 				argv[optind]);
     97 		} else {
     98 			if (kill(nanny, sig) == -1) {
     99 				if (errno == ESRCH) {
    100 					fprintf(stderr,
    101 						"ltp-bump: Tag %s (pid %d) seems to be dead already.\n",
    102 						argv[optind], nanny);
    103 					if (zoo_clear(zoo, nanny))
    104 						fprintf(stderr,
    105 							"ltp-bump: %s\n",
    106 							zoo_error);
    107 				}
    108 			}
    109 		}
    110 		++optind;
    111 	}
    112 	zoo_close(zoo);
    113 
    114 	exit(0);
    115 }
    116