1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Copyright © 2018 Alexey Dobriyan <adobriyan@gmail.com>
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * Permission to use, copy, modify, and distribute this software for any
5*4882a593Smuzhiyun * purpose with or without fee is hereby granted, provided that the above
6*4882a593Smuzhiyun * copyright notice and this permission notice appear in all copies.
7*4882a593Smuzhiyun *
8*4882a593Smuzhiyun * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9*4882a593Smuzhiyun * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10*4882a593Smuzhiyun * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11*4882a593Smuzhiyun * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12*4882a593Smuzhiyun * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13*4882a593Smuzhiyun * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14*4882a593Smuzhiyun * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15*4882a593Smuzhiyun */
16*4882a593Smuzhiyun // Test that /proc/self gives correct TGID.
17*4882a593Smuzhiyun #undef NDEBUG
18*4882a593Smuzhiyun #include <assert.h>
19*4882a593Smuzhiyun #include <stdio.h>
20*4882a593Smuzhiyun #include <unistd.h>
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun #include "proc.h"
23*4882a593Smuzhiyun
main(void)24*4882a593Smuzhiyun int main(void)
25*4882a593Smuzhiyun {
26*4882a593Smuzhiyun char buf1[64], buf2[64];
27*4882a593Smuzhiyun pid_t pid;
28*4882a593Smuzhiyun ssize_t rv;
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun pid = sys_getpid();
31*4882a593Smuzhiyun snprintf(buf1, sizeof(buf1), "%u", pid);
32*4882a593Smuzhiyun
33*4882a593Smuzhiyun rv = readlink("/proc/self", buf2, sizeof(buf2));
34*4882a593Smuzhiyun assert(rv == strlen(buf1));
35*4882a593Smuzhiyun buf2[rv] = '\0';
36*4882a593Smuzhiyun assert(streq(buf1, buf2));
37*4882a593Smuzhiyun
38*4882a593Smuzhiyun return 0;
39*4882a593Smuzhiyun }
40