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 
main(int argc,char ** argv)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