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);
48 static const int len1 = len - 1;
49 char *const name = tail_memdup(str, len);
50 char *const name1 = name + 1;
54 rc = prctl(PR_SET_NAME, NULL);
55 printf("prctl(PR_SET_NAME, NULL) = %s\n", sprintrc(rc));
57 for (i = 0; i <= len1; ++i) {
58 rc = prctl(PR_SET_NAME, name + len1 - i);
59 printf("prctl(PR_SET_NAME, \"%.*s\"%s) = %s\n",
60 i < len1 - 1 ? i : len1 - 1,
62 i < len1 - 1 ? "" : "...",
67 memcpy(name1, str, len1);
69 for (i = 0; i <= len1; ++i) {
70 rc = prctl(PR_SET_NAME, name1 + len1 - i);
72 printf("prctl(PR_SET_NAME, %p) = %s\n",
73 name1 + len1 - i, sprintrc(rc));
75 printf("prctl(PR_SET_NAME, \"%.*s\"...) = %s\n",
76 len1 - 1, str + len1 - i, sprintrc(rc));
79 rc = prctl(PR_GET_NAME, NULL);
80 printf("prctl(PR_GET_NAME, NULL) = %s\n", sprintrc(rc));
82 for (i = 0; i < len1; ++i) {
83 rc = prctl(PR_GET_NAME, name1 + len1 - i);
84 printf("prctl(PR_GET_NAME, %p) = %s\n",
85 name1 + len1 - i, sprintrc(rc));
88 rc = prctl(PR_GET_NAME, name1);
90 printf("prctl(PR_GET_NAME, %p) = %s\n",
93 printf("prctl(PR_GET_NAME, \"%.*s\") = %s\n",
94 len1 - 1, name1, sprintrc(rc));
96 puts("+++ exited with 0 +++");
102 SKIP_MAIN_UNDEFINED("HAVE_PRCTL && PR_GET_NAME && PR_SET_NAME")