xref: /openbmc/linux/tools/perf/trace/beauty/flock.c (revision bc5aa3a0)
1 #include <fcntl.h>
2 
3 #ifndef LOCK_MAND
4 #define LOCK_MAND	 32
5 #endif
6 
7 #ifndef LOCK_READ
8 #define LOCK_READ	 64
9 #endif
10 
11 #ifndef LOCK_WRITE
12 #define LOCK_WRITE	128
13 #endif
14 
15 #ifndef LOCK_RW
16 #define LOCK_RW		192
17 #endif
18 
19 static size_t syscall_arg__scnprintf_flock(char *bf, size_t size,
20 					   struct syscall_arg *arg)
21 {
22 	int printed = 0, op = arg->val;
23 
24 	if (op == 0)
25 		return scnprintf(bf, size, "NONE");
26 #define	P_CMD(cmd) \
27 	if ((op & LOCK_##cmd) == LOCK_##cmd) { \
28 		printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #cmd); \
29 		op &= ~LOCK_##cmd; \
30 	}
31 
32 	P_CMD(SH);
33 	P_CMD(EX);
34 	P_CMD(NB);
35 	P_CMD(UN);
36 	P_CMD(MAND);
37 	P_CMD(RW);
38 	P_CMD(READ);
39 	P_CMD(WRITE);
40 #undef P_OP
41 
42 	if (op)
43 		printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", op);
44 
45 	return printed;
46 }
47 
48 #define SCA_FLOCK syscall_arg__scnprintf_flock
49