| /* | |
| * 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; | |
| } |