1// SPDX-License-Identifier: LGPL-2.1
2#include <sys/types.h>
3#include <sys/socket.h>
4
5#ifndef MSG_PROBE
6#define MSG_PROBE 0x10
7#endif
8#ifndef MSG_WAITFORONE
9#define MSG_WAITFORONE 0x10000
10#endif
11#ifndef MSG_BATCH
12#define MSG_BATCH 0x40000
13#endif
14#ifndef MSG_ZEROCOPY
15#define MSG_ZEROCOPY 0x4000000
16#endif
17#ifndef MSG_SPLICE_PAGES
18#define MSG_SPLICE_PAGES 0x8000000
19#endif
20#ifndef MSG_FASTOPEN
21#define MSG_FASTOPEN 0x20000000
22#endif
23#ifndef MSG_CMSG_CLOEXEC
24# define MSG_CMSG_CLOEXEC 0x40000000
25#endif
26
27static size_t syscall_arg__scnprintf_msg_flags(char *bf, size_t size,
28 struct syscall_arg *arg)
29{
30 bool show_prefix = arg->show_string_prefix;
31 const char *prefix = "MSG_";
32 int printed = 0, flags = arg->val;
33
34 if (flags == 0)
35 return scnprintf(buf: bf, size, fmt: "NONE");
36#define P_MSG_FLAG(n) \
37 if (flags & MSG_##n) { \
38 printed += scnprintf(bf + printed, size - printed, "%s%s%s", printed ? "|" : "", show_prefix ? prefix : "", #n); \
39 flags &= ~MSG_##n; \
40 }
41
42 P_MSG_FLAG(OOB);
43 P_MSG_FLAG(PEEK);
44 P_MSG_FLAG(DONTROUTE);
45 P_MSG_FLAG(CTRUNC);
46 P_MSG_FLAG(PROBE);
47 P_MSG_FLAG(TRUNC);
48 P_MSG_FLAG(DONTWAIT);
49 P_MSG_FLAG(EOR);
50 P_MSG_FLAG(WAITALL);
51 P_MSG_FLAG(FIN);
52 P_MSG_FLAG(SYN);
53 P_MSG_FLAG(CONFIRM);
54 P_MSG_FLAG(RST);
55 P_MSG_FLAG(ERRQUEUE);
56 P_MSG_FLAG(NOSIGNAL);
57 P_MSG_FLAG(MORE);
58 P_MSG_FLAG(WAITFORONE);
59 P_MSG_FLAG(BATCH);
60 P_MSG_FLAG(ZEROCOPY);
61 P_MSG_FLAG(SPLICE_PAGES);
62 P_MSG_FLAG(FASTOPEN);
63 P_MSG_FLAG(CMSG_CLOEXEC);
64#undef P_MSG_FLAG
65
66 if (flags)
67 printed += scnprintf(buf: bf + printed, size: size - printed, fmt: "%s%#x", printed ? "|" : "", flags);
68
69 return printed;
70}
71
72#define SCA_MSG_FLAGS syscall_arg__scnprintf_msg_flags
73

source code of linux/tools/perf/trace/beauty/msg_flags.c