/* * Copyright © 2018 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 /proc/self gives correct TGID. #undef NDEBUG #include <assert.h> #include <stdio.h> #include <unistd.h> #include "proc.h" int main(void) { char buf1[64], buf2[64]; pid_t pid; ssize_t rv; pid = sys_getpid(); snprintf(buf1, sizeof(buf1), "%u", pid); rv = readlink("/proc/self", buf2, sizeof(buf2)); assert(rv == strlen(buf1)); buf2[rv] = '\0'; assert(streq(buf1, buf2)); return 0; }