| Dmitry V. Levin | ea7ef93 | 2015-07-30 08:24:32 +0000 | [diff] [blame^] | 1 | #ifdef HAVE_CONFIG_H |
| 2 | # include "config.h" |
| 3 | #endif |
| 4 | |
| 5 | #include <unistd.h> |
| 6 | #include <sys/select.h> |
| 7 | #include <sys/syscall.h> |
| 8 | |
| 9 | #if defined __NR_select && defined __NR__newselect \ |
| 10 | && __NR_select != __NR__newselect \ |
| 11 | && !defined SPARC |
| 12 | |
| 13 | int |
| 14 | main(void) |
| 15 | { |
| 16 | int fds[2]; |
| 17 | fd_set r = {}, w = {}; |
| 18 | struct timeval timeout = { .tv_sec = 0, .tv_usec = 42 }; |
| 19 | long args[] = { |
| 20 | 2, (long) &r, (long) &w, 0, (long) &timeout, |
| 21 | 0xdeadbeef, 0xbadc0ded, 0xdeadbeef, 0xbadc0ded, 0xdeadbeef |
| 22 | }; |
| 23 | |
| 24 | (void) close(0); |
| 25 | (void) close(1); |
| 26 | if (pipe(fds)) |
| 27 | return 77; |
| 28 | |
| 29 | FD_SET(0, &w); |
| 30 | FD_SET(1, &r); |
| 31 | if (syscall(__NR_select, args)) |
| 32 | return 77; |
| 33 | |
| 34 | return 0; |
| 35 | } |
| 36 | |
| 37 | #else |
| 38 | |
| 39 | int |
| 40 | main(void) |
| 41 | { |
| 42 | return 77; |
| 43 | } |
| 44 | |
| 45 | #endif |