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| // SPDX-License-Identifier: LGPL-2.1
|
| #include "trace/beauty/beauty.h"
| #include <linux/kernel.h>
| #include <uapi/linux/fcntl.h>
|
| #ifndef LOCK_MAND
| #define LOCK_MAND 32
| #endif
|
| #ifndef LOCK_READ
| #define LOCK_READ 64
| #endif
|
| #ifndef LOCK_WRITE
| #define LOCK_WRITE 128
| #endif
|
| #ifndef LOCK_RW
| #define LOCK_RW 192
| #endif
|
| size_t syscall_arg__scnprintf_flock(char *bf, size_t size, struct syscall_arg *arg)
| {
| bool show_prefix = arg->show_string_prefix;
| const char *prefix = "LOCK_";
| int printed = 0, op = arg->val;
|
| if (op == 0)
| return scnprintf(bf, size, "NONE");
| #define P_CMD(cmd) \
| if ((op & LOCK_##cmd) == LOCK_##cmd) { \
| printed += scnprintf(bf + printed, size - printed, "%s%s%s", printed ? "|" : "", show_prefix ? prefix : "", #cmd); \
| op &= ~LOCK_##cmd; \
| }
|
| P_CMD(SH);
| P_CMD(EX);
| P_CMD(NB);
| P_CMD(UN);
| P_CMD(MAND);
| P_CMD(RW);
| P_CMD(READ);
| P_CMD(WRITE);
| #undef P_OP
|
| if (op)
| printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", op);
|
| return printed;
| }
|
|
