Contributors: 1
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Arnaldo Carvalho de Melo |
185 |
100.00% |
14 |
100.00% |
| Total |
185 |
|
14 |
|
// 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;
}