main.c revision 289954 
1/* $FreeBSD: stable/10/tools/regression/p1003_1b/main.c 289954 2015-10-25 22:30:45Z ngie $ */
2#include <stdio.h>
3#include <string.h>
4
5int fifo(int argc, char *argv[]);
6int memlock(int argc, char *argv[]);
7int p26(int argc, char *argv[]);
8int sched(int argc, char *argv[]);
9int yield(int argc, char *argv[]);
10
11static struct {
12	const char *t;
13	int (*f)(int, char *[]);
14	int works;
15} tab[] = {
16	{ "fifo", fifo, 1 },
17	{ "memlock", memlock, 0 },
18	{ "p26", p26, 1 },
19	{ "sched", sched, 1 },
20	{ "yield", yield, 1 },
21};
22
23#define N(T) (sizeof (T)/ sizeof(T[0]))
24
25static int usage(int argc, char *argv[])
26{
27	int i;
28	if (argc > 1)
29		fprintf(stderr, "%s is unknown\n", argv[1]);
30
31	fprintf(stderr, "usage: %s [-a] or one of [", argv[0]);
32	for (i = 0; i < (sizeof(tab) / sizeof(tab[0])); i++)
33		fprintf(stderr, "%s%s", (i)? " | " : "", tab[i].t);
34	fprintf(stderr, "]\n");
35
36	return -1;
37}
38
39int main(int argc, char *argv[])
40{
41	int i;
42
43	if (argc == 2 && strcmp(argv[1], "-a") == 0) {
44#if 1
45		fprintf(stderr,
46			"-a should but doesn't really work"
47			" (my notes say \"because things detach\");\n"
48			"meanwhile do these individual tests and look"
49			" for a non-zero exit code:\n");
50		for (i = 0; i < N(tab); i++)
51			if (tab[i].works)
52				fprintf(stderr, "p1003_1b %s\n", tab[i].t);
53		return -1;
54#else
55		{
56			int r;
57			for (i = 0; i < N(tab); i++) {
58				if (tab[i].works) {
59					if ( (r =
60					(*tab[i].f)(argc - 1, argv + 1)) ) {
61						fprintf(stderr,
62						"%s failed\n", tab[i].t);
63						return r;
64					}
65				}
66			}
67			return 0;
68		}
69#endif
70	}
71
72	if (argc > 1) {
73		for (i = 0; i < N(tab); i++)
74			if (strcmp(tab[i].t, argv[1]) == 0)
75				return (*tab[i].f)(argc - 1, argv + 1);
76	}
77
78	return usage(argc, argv);
79}
80