| Quellcodebibliothek Statistik Leitseite products/sources/formale Sprachen/C/Linux/tools/testing/selftests/proc/ (Open Source Betriebssystem Version 6.17.9©) Datei vom 24.10.2025 mit Größe 1 kB |
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Quelle proc-self-isnt-kthread.c Sprache: C |
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/* * Copyright (c) 2024 Alexey Dobriyan <adobriyan@gmail.com> * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ /* Test that userspace program is not kernel thread. */ #undef NDEBUG #include <assert.h> #include <fcntl.h> #include <string.h> #include <unistd.h> int main(void) { int fd = open("/proc/self/status", O_RDONLY); assert(fd >= 0); char buf[4096]; ssize_t rv = read(fd, buf, sizeof(buf)); assert(0 <= rv && rv < sizeof(buf)); buf[rv] = '\0'; /* This test is very much not kernel thread. */ assert(strstr(buf, "Kthread:\t0\n")); return 0; }
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2026-04-04