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103 lines
3.2 KiB
103 lines
3.2 KiB
/* |
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* Check decoding of prctl PR_GET_NAME/PR_SET_NAME operations. |
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* |
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* Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com> |
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* Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org> |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. The name of the author may not be used to endorse or promote products |
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* derived from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#include "tests.h" |
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#ifdef HAVE_PRCTL |
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# include <sys/prctl.h> |
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#endif |
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#if defined HAVE_PRCTL && defined PR_GET_NAME && defined PR_SET_NAME |
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# include <stdio.h> |
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# include <string.h> |
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# include <unistd.h> |
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int |
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main(void) |
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{ |
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static const char str[] = "0123456789abcdef"; |
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static const int len = sizeof(str) - 1; |
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char *name = tail_memdup(str, sizeof(str)); |
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int i; |
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int rc; |
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rc = prctl(PR_SET_NAME, NULL); |
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printf("prctl(PR_SET_NAME, NULL) = %s\n", sprintrc(rc)); |
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for (i = 0; i <= len; ++i) { |
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rc = prctl(PR_SET_NAME, name + len - i); |
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printf("prctl(PR_SET_NAME, \"%.*s\"%s) = %s\n", |
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i < len - 1 ? i : len - 1, |
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str + len - i, |
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i < len - 1 ? "" : "...", |
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sprintrc(rc)); |
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} |
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*name = -1; |
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++name; |
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memcpy(name, str, len); |
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for (i = 0; i <= len; ++i) { |
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rc = prctl(PR_SET_NAME, name + len - i); |
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if (i < len - 1) |
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printf("prctl(PR_SET_NAME, %p) = %s\n", |
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name + len - i, sprintrc(rc)); |
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else |
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printf("prctl(PR_SET_NAME, \"%.*s\"...) = %s\n", |
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len - 1, str + len - i, sprintrc(rc)); |
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} |
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rc = prctl(PR_GET_NAME, NULL); |
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printf("prctl(PR_GET_NAME, NULL) = %s\n", sprintrc(rc)); |
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for (i = 0; i < len; ++i) { |
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rc = prctl(PR_GET_NAME, name + len - i); |
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printf("prctl(PR_GET_NAME, %p) = %s\n", |
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name + len - i, sprintrc(rc)); |
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} |
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rc = prctl(PR_GET_NAME, name); |
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if (rc) |
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printf("prctl(PR_GET_NAME, %p) = %s\n", |
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name, sprintrc(rc)); |
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else |
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printf("prctl(PR_GET_NAME, \"%.*s\") = %s\n", |
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len - 1, name, sprintrc(rc)); |
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puts("+++ exited with 0 +++"); |
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return 0; |
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} |
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#else |
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SKIP_MAIN_UNDEFINED("HAVE_PRCTL && PR_GET_NAME && PR_SET_NAME") |
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#endif
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