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 | |
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 | |