| 52 | } |
| 53 | |
| 54 | int |
| 55 | eal_file_lock(int fd, enum eal_flock_op op, enum eal_flock_mode mode) |
| 56 | { |
| 57 | int sys_flags = 0; |
| 58 | int ret; |
| 59 | |
| 60 | if (mode == EAL_FLOCK_RETURN) |
| 61 | sys_flags |= LOCK_NB; |
| 62 | |
| 63 | switch (op) { |
| 64 | case EAL_FLOCK_EXCLUSIVE: |
| 65 | sys_flags |= LOCK_EX; |
| 66 | break; |
| 67 | case EAL_FLOCK_SHARED: |
| 68 | sys_flags |= LOCK_SH; |
| 69 | break; |
| 70 | case EAL_FLOCK_UNLOCK: |
| 71 | sys_flags |= LOCK_UN; |
| 72 | break; |
| 73 | } |
| 74 | |
| 75 | ret = flock(fd, sys_flags); |
| 76 | if (ret) |
| 77 | rte_errno = errno; |
| 78 | |
| 79 | return ret; |
| 80 | } |
no test coverage detected