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1/*2 * Copyright © 2018 Alexey Dobriyan <adobriyan@gmail.com>3 *4 * Permission to use, copy, modify, and distribute this software for any5 * purpose with or without fee is hereby granted, provided that the above6 * copyright notice and this permission notice appear in all copies.7 *8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.15 */16// Test that /proc/self gives correct TGID.17#undef NDEBUG18#include <assert.h>19#include <stdio.h>20#include <unistd.h>21 22#include "proc.h"23 24int main(void)25{26 char buf1[64], buf2[64];27 pid_t pid;28 ssize_t rv;29 30 pid = sys_getpid();31 snprintf(buf1, sizeof(buf1), "%u", pid);32 33 rv = readlink("/proc/self", buf2, sizeof(buf2));34 assert(rv == strlen(buf1));35 buf2[rv] = '\0';36 assert(streq(buf1, buf2));37 38 return 0;39}40