1#include "tests.h"
2#include <asm/unistd.h>
3
4#ifdef __NR_epoll_ctl
5
6# include <inttypes.h>
7# include <stdio.h>
8# include <sys/epoll.h>
9# include <unistd.h>
10
11static long
12invoke_syscall(unsigned long epfd, unsigned long op, unsigned long fd, void *ev)
13{
14	op |= (unsigned long) 0xffffffff00000000ULL;
15	return syscall(__NR_epoll_ctl, epfd, op, fd, (unsigned long) ev);
16}
17
18int
19main(void)
20{
21	struct epoll_event *const ev = tail_alloc(sizeof(*ev));
22	ev->events = EPOLLIN;
23
24	long rc = invoke_syscall(-1U, EPOLL_CTL_ADD, -2U, ev);
25	printf("epoll_ctl(-1, EPOLL_CTL_ADD, -2, {EPOLLIN,"
26	       " {u32=%u, u64=%" PRIu64 "}}) = %ld %s (%m)\n",
27	       ev->data.u32, ev->data.u64, rc, errno2name());
28
29	rc = invoke_syscall(-3U, EPOLL_CTL_DEL, -4U, ev);
30	printf("epoll_ctl(-3, EPOLL_CTL_DEL, -4, %p) = %ld %s (%m)\n",
31	       ev, rc, errno2name());
32
33	rc = invoke_syscall(-1UL, EPOLL_CTL_MOD, -16UL, 0);
34	printf("epoll_ctl(-1, EPOLL_CTL_MOD, -16, NULL) = %ld %s (%m)\n",
35	       rc, errno2name());
36
37	puts("+++ exited with 0 +++");
38	return 0;
39}
40
41#else
42
43SKIP_MAIN_UNDEFINED("__NR_epoll_ctl")
44
45#endif
46