2 * Copyright (c) 1995 - 2000 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
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39 #include <sys/types.h>
41 #include <sys/param.h>
48 #if !defined(NGROUPS) && defined(NGROUPS_MAX)
49 #define NGROUPS NGROUPS_MAX
53 print_groups(int ngroups, gid_t groups[NGROUPS])
58 for (i = 0; i < ngroups; ++i)
59 printf("%d%s", groups[i], (i < ngroups - 1) ? ", " : "");
64 main(int argc, char **argv)
67 gid_t groups[NGROUPS];
73 errx(1, "Usage: %s", argv[0]);
75 ngroups = getgroups(NGROUPS, groups);
77 err(1, "getgroups %d", NGROUPS);
81 print_groups(ngroups, groups);
89 ngroups = getgroups(NGROUPS, groups);
91 err(1, "getgroups %d", NGROUPS);
93 print_groups(ngroups, groups);
98 while (waitpid(pid, &status, WNOHANG | WUNTRACED) != pid);
101 ngroups = getgroups(NGROUPS, groups);
103 err(1, "getgroups %d", NGROUPS);
104 printf("in parent ");
105 print_groups(ngroups, groups);
106 if (groups[1] == pag1 && groups[2] == pag2)