1/*
2 *	listsem.c
3 *
4 *	Lists all semaphores in all Teams.
5 *	by O.Siebenmarck.
6 *
7 *      04-27-2002 - mmu_man
8 *       added command line args
9 *
10 *	Legal stuff follows:
11
12	Copyright (c) 2002 Oliver Siebenmarck <olli@ithome.de>, OpenBeOS project
13
14	Permission is hereby granted, free of charge, to any person obtaining a copy of
15	this software and associated documentation files (the "Software"), to deal in
16	the Software without restriction, including without limitation the rights to
17	use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
18	of the Software, and to permit persons to whom the Software is furnished to do
19	so, subject to the following conditions:
20
21	The above copyright notice and this permission notice shall be included in all
22	copies or substantial portions of the Software.
23
24	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
25	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
26	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
27	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
28	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
29	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
30	THE SOFTWARE.
31
32*/
33
34#include <stdio.h>
35#include <stdlib.h>
36#include <string.h>
37#include <OS.h>
38
39
40static void print_sem_info(sem_info *info)
41{
42	printf("%7ld%31s%7ld\n", info->sem ,info->name , info->count);
43}
44
45
46static void print_header(team_info *tinfo)
47{
48	if (tinfo != NULL)
49		printf("TEAM  %ld (%s):\n", tinfo->team, tinfo->args );
50
51	printf("     ID                           name  count\n");
52	printf("---------------------------------------------\n");
53}
54
55
56static void list_sems(team_info *tinfo)
57{
58	sem_info info;
59	int32 cookie = 0;
60
61	print_header(tinfo);
62
63	while (get_next_sem_info(tinfo->team, &cookie, &info) == B_OK)
64		print_sem_info(&info);
65
66	printf("\n");
67}
68
69int main(int argc, char **argv)
70{
71	team_info tinfo;
72	int32 cookie = 0;
73	int32 i;
74	system_info sysinfo;
75
76	// show up some stats first...
77	get_system_info(&sysinfo);
78	printf("sem: total: %5li, used: %5li, left: %5li\n\n", sysinfo.max_sems, sysinfo.used_sems, sysinfo.max_sems - sysinfo.used_sems);
79
80	if (argc == 1) {
81		while (get_next_team_info( &cookie, &tinfo) == B_OK)
82			list_sems(&tinfo);
83
84		return 0;
85	}
86
87	for (i = 1; i < argc; i++) {
88		if (strcmp(argv[i], "--help") == 0 || strcmp(argv[i], "-h") == 0) {
89			fprintf(stderr, "Usage:  %s [-s semid]  [teamid]\n", argv[0]);
90			fputs("        List the semaphores allocated by the specified\n",
91				stderr);
92			fputs("        team, or all teams if none is specified.\n",
93				stderr);
94			fputs("\n", stderr);
95			fputs("        The -s option displays the sem_info data for a\n",
96				stderr);
97			fputs("        specified semaphore.\n", stderr);
98			return 0;
99		} else if (strcmp(argv[i], "-s") == 0) {
100			if (argc < i + 2)
101				printf("-s used without associated sem id\n");
102			else {
103				sem_id id = atoi(argv[i + 1]);
104				sem_info info;
105				if (get_sem_info(id, &info) == B_OK) {
106					print_header(NULL);
107					print_sem_info(&info);
108				} else
109					printf("semaphore %ld unknown\n\n", id);
110
111				i++;
112			}
113		} else {
114			team_id team;
115			team = atoi(argv[i]);
116			if (get_team_info(team, &tinfo) == B_OK)
117				list_sems(&tinfo);
118			else
119				printf("team %ld unknown\n\n", team);
120		}
121	}
122
123	return 0;
124}
125
126