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>, Haiku 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("%7" B_PRId32 "%31s%7" B_PRId32 "\n", info->sem, info->name,
43		info->count);
44}
45
46
47static void print_header(team_info *tinfo)
48{
49	if (tinfo != NULL)
50		printf("TEAM  %" B_PRId32 " (%s):\n", tinfo->team, tinfo->args);
51
52	printf("     ID                           name  count\n");
53	printf("---------------------------------------------\n");
54}
55
56
57static void list_sems(team_info *tinfo)
58{
59	sem_info info;
60	int32 cookie = 0;
61
62	print_header(tinfo);
63
64	while (get_next_sem_info(tinfo->team, &cookie, &info) == B_OK)
65		print_sem_info(&info);
66
67	printf("\n");
68}
69
70int main(int argc, char **argv)
71{
72	team_info tinfo;
73	int32 cookie = 0;
74	int32 i;
75	system_info sysinfo;
76
77	// show up some stats first...
78	get_system_info(&sysinfo);
79	printf("sem: total: %5" B_PRIu32 ", used: %5" B_PRIu32 ", left: %5" B_PRIu32
80		"\n\n", sysinfo.max_sems, sysinfo.used_sems,
81		sysinfo.max_sems - sysinfo.used_sems);
82
83	if (argc == 1) {
84		while (get_next_team_info( &cookie, &tinfo) == B_OK)
85			list_sems(&tinfo);
86
87		return 0;
88	}
89
90	for (i = 1; i < argc; i++) {
91		if (strcmp(argv[i], "--help") == 0 || strcmp(argv[i], "-h") == 0) {
92			fprintf(stderr, "Usage:  %s [-s semid]  [teamid]\n", argv[0]);
93			fputs("        List the semaphores allocated by the specified\n",
94				stderr);
95			fputs("        team, or all teams if none is specified.\n",
96				stderr);
97			fputs("\n", stderr);
98			fputs("        The -s option displays the sem_info data for a\n",
99				stderr);
100			fputs("        specified semaphore.\n", stderr);
101			return 0;
102		} else if (strcmp(argv[i], "-s") == 0) {
103			if (argc < i + 2)
104				printf("-s used without associated sem id\n");
105			else {
106				sem_id id = atoi(argv[i + 1]);
107				sem_info info;
108				if (get_sem_info(id, &info) == B_OK) {
109					print_header(NULL);
110					print_sem_info(&info);
111				} else
112					printf("semaphore %" B_PRId32 " unknown\n\n", id);
113
114				i++;
115			}
116		} else {
117			team_id team;
118			team = atoi(argv[i]);
119			if (get_team_info(team, &tinfo) == B_OK)
120				list_sems(&tinfo);
121			else
122				printf("team %" B_PRId32 " unknown\n\n", team);
123		}
124	}
125
126	return 0;
127}
128
129