| Dmitry V. Levin | 2aec1e6 | 2015-11-15 02:29:29 +0000 | [diff] [blame] | 1 | #ifdef HAVE_CONFIG_H |
| 2 | # include "config.h" |
| 3 | #endif |
| 4 | |
| 5 | #include <errno.h> |
| 6 | #include <stdio.h> |
| 7 | #include <unistd.h> |
| 8 | #include <sys/syscall.h> |
| 9 | |
| 10 | int |
| 11 | main(void) |
| 12 | { |
| 13 | #ifdef __NR_membarrier |
| 14 | if (syscall(__NR_membarrier, 3, 255) != -1) |
| 15 | return 77; |
| 16 | printf("membarrier(0x3 /* MEMBARRIER_CMD_??? */, 255) = -1 %s\n", |
| 17 | errno == ENOSYS ? |
| 18 | "ENOSYS (Function not implemented)" : |
| 19 | "EINVAL (Invalid argument)"); |
| 20 | if (errno != ENOSYS) { |
| 21 | if (syscall(__NR_membarrier, 0, 0) != 1) |
| 22 | return 1; /* the test needs to be updated? */ |
| 23 | puts("membarrier(MEMBARRIER_CMD_QUERY, 0)" |
| 24 | " = 0x1 (MEMBARRIER_CMD_SHARED)"); |
| 25 | } |
| 26 | puts("+++ exited with 0 +++"); |
| 27 | return 0; |
| 28 | #else |
| 29 | return 77; |
| 30 | #endif |
| 31 | } |