1/*
 2 * Copyright © 2018 Alexey Dobriyan <adobriyan@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
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}