2 * Check decoding of prctl PR_GET_NAME/PR_SET_NAME operations.
4 * Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com>
5 * Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
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9 * modification, are permitted provided that the following conditions
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34 # include <sys/prctl.h>
37 #if defined HAVE_PRCTL && defined PR_GET_NAME && defined PR_SET_NAME
46 static const char str[] = "0123456789abcdef";
47 static const int len = sizeof(str) - 1;
48 char *name = tail_memdup(str, sizeof(str));
52 rc = prctl(PR_SET_NAME, NULL);
53 printf("prctl(PR_SET_NAME, NULL) = %s\n", sprintrc(rc));
55 for (i = 0; i <= len; ++i) {
56 rc = prctl(PR_SET_NAME, name + len - i);
57 printf("prctl(PR_SET_NAME, \"%.*s\"%s) = %s\n",
58 i < len - 1 ? i : len - 1,
60 i < len - 1 ? "" : "...",
66 memcpy(name, str, len);
68 for (i = 0; i <= len; ++i) {
69 rc = prctl(PR_SET_NAME, name + len - i);
71 printf("prctl(PR_SET_NAME, %p) = %s\n",
72 name + len - i, sprintrc(rc));
74 printf("prctl(PR_SET_NAME, \"%.*s\"...) = %s\n",
75 len - 1, str + len - i, sprintrc(rc));
78 rc = prctl(PR_GET_NAME, NULL);
79 printf("prctl(PR_GET_NAME, NULL) = %s\n", sprintrc(rc));
81 for (i = 0; i < len; ++i) {
82 rc = prctl(PR_GET_NAME, name + len - i);
83 printf("prctl(PR_GET_NAME, %p) = %s\n",
84 name + len - i, sprintrc(rc));
87 rc = prctl(PR_GET_NAME, name);
89 printf("prctl(PR_GET_NAME, %p) = %s\n",
92 printf("prctl(PR_GET_NAME, \"%.*s\") = %s\n",
93 len - 1, name, sprintrc(rc));
95 puts("+++ exited with 0 +++");
101 SKIP_MAIN_UNDEFINED("HAVE_PRCTL && PR_GET_NAME && PR_SET_NAME")