50 lines
902 B
C
50 lines
902 B
C
// SPDX-License-Identifier: GPL-2.0
|
|
|
|
#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)
|
|
{
|
|
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", printed ? "|" : "", #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;
|
|
}
|