1 /* 2 * Copyright 2018 Alexey Dobriyan <adobriyan (at) gmail.com> 3 * 4 * Permission to use, copy, modify, and distribute this software for any 5 * purpose with or without fee is hereby granted, provided that the above 6 * copyright notice and this permission notice appear in all copies. 7 * 8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15 */ 16 // Test that /proc/self gives correct TGID. 17 #undef NDEBUG 18 #include <assert.h> 19 #include <stdio.h> 20 #include <unistd.h> 21 22 #include "proc.h" 23 24 int 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
