projects / thirdparty / kernel / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
| f8e01870 | 2 | #include <fcntl.h> |
| 8bf382ce | 3 | |
| 4c7c224a ACM |
4 | #ifndef LOCK_MAND |
| 5 | #define LOCK_MAND 32 | |
| 6 | #endif | |
| 7 | ||
| 8 | #ifndef LOCK_READ | |
| 9 | #define LOCK_READ 64 | |
| 10 | #endif | |
| 11 | ||
| 12 | #ifndef LOCK_WRITE | |
| 13 | #define LOCK_WRITE 128 | |
| 14 | #endif | |
| 15 | ||
| 16 | #ifndef LOCK_RW | |
| 17 | #define LOCK_RW 192 | |
| 18 | #endif | |
| 19 | ||
| 8bf382ce ACM |
20 | static size_t syscall_arg__scnprintf_flock(char *bf, size_t size, |
| 21 | struct syscall_arg *arg) | |
| 22 | { | |
| 23 | int printed = 0, op = arg->val; | |
| 24 | ||
| 25 | if (op == 0) | |
| 26 | return scnprintf(bf, size, "NONE"); | |
| 27 | #define P_CMD(cmd) \ | |
| 28 | if ((op & LOCK_##cmd) == LOCK_##cmd) { \ | |
| 29 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #cmd); \ | |
| 30 | op &= ~LOCK_##cmd; \ | |
| 31 | } | |
| 32 | ||
| 33 | P_CMD(SH); | |
| 34 | P_CMD(EX); | |
| 35 | P_CMD(NB); | |
| 36 | P_CMD(UN); | |
| 37 | P_CMD(MAND); | |
| 38 | P_CMD(RW); | |
| 39 | P_CMD(READ); | |
| 40 | P_CMD(WRITE); | |
| 41 | #undef P_OP | |
| 42 | ||
| 43 | if (op) | |
| 44 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", op); | |
| 45 | ||
| 46 | return printed; | |
| 47 | } | |
| 48 | ||
| 49 | #define SCA_FLOCK syscall_arg__scnprintf_flock |