| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame^] | 1 | |
| 2 | /* The mmap test is useful, since syscalls with 6 arguments |
| 3 | * (as mmap) are done differently on various architectures. |
| 4 | */ |
| 5 | |
| 6 | #include <stdio.h> |
| 7 | #include <stdlib.h> |
| 8 | #include <unistd.h> |
| 9 | #include <sys/mman.h> |
| 10 | #include <features.h> |
| 11 | |
| 12 | int main(int argc, char **argv) |
| 13 | { |
| 14 | #ifdef __UCLIBC_HAS_LFS__ |
| 15 | void *ptr; |
| 16 | |
| 17 | ptr = mmap64(NULL, 4096, PROT_READ|PROT_WRITE, |
| 18 | MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
| 19 | |
| 20 | if (ptr == MAP_FAILED) { |
| 21 | perror("mmap"); |
| 22 | exit(1); |
| 23 | } |
| 24 | printf("mmap returned %p\n", ptr); |
| 25 | exit(0); |
| 26 | #else |
| 27 | exit(0); |
| 28 | #endif |
| 29 | } |