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Serenity Operating System
1#include <pthread.h>
2#include <stdio.h>
3#include <sys/select.h>
4#include <unistd.h>
5
6int pipefds[2];
7
8int main(int, char**)
9{
10 pipe(pipefds);
11
12 pthread_t tid;
13 pthread_create(
14 &tid, nullptr, [](void*) -> void* {
15 sleep(1);
16 printf("ST: close()\n");
17 close(pipefds[1]);
18 pthread_exit(nullptr);
19 return nullptr;
20 },
21 nullptr);
22
23 fd_set rfds;
24 FD_ZERO(&rfds);
25 FD_SET(pipefds[1], &rfds);
26
27 printf("MT: select()\n");
28 int rc = select(pipefds[1] + 1, &rfds, nullptr, nullptr, nullptr);
29 if (rc < 0) {
30 perror("select");
31 return 1;
32 }
33
34 printf("ok\n");
35 return 0;
36}