1// SPDX-License-Identifier: LGPL-2.1
2#include <sys/types.h>
3#include <sys/socket.h>
4
5#ifndef SOCK_DCCP
6# define SOCK_DCCP 6
7#endif
8
9#ifndef SOCK_CLOEXEC
10# define SOCK_CLOEXEC 02000000
11#endif
12
13#ifndef SOCK_NONBLOCK
14# define SOCK_NONBLOCK 00004000
15#endif
16
17#ifndef SOCK_TYPE_MASK
18#define SOCK_TYPE_MASK 0xf
19#endif
20
21static size_t syscall_arg__scnprintf_socket_type(char *bf, size_t size, struct syscall_arg *arg)
22{
23 bool show_prefix = arg->show_string_prefix;
24 const char *prefix = "SOCK_";
25 size_t printed;
26 int type = arg->val,
27 flags = type & ~SOCK_TYPE_MASK;
28
29 type &= SOCK_TYPE_MASK;
30 /*
31 * Can't use a strarray, MIPS may override for ABI reasons.
32 */
33 switch (type) {
34#define P_SK_TYPE(n) case SOCK_##n: printed = scnprintf(bf, size, "%s%s", show_prefix ? prefix : "", #n); break;
35 P_SK_TYPE(STREAM);
36 P_SK_TYPE(DGRAM);
37 P_SK_TYPE(RAW);
38 P_SK_TYPE(RDM);
39 P_SK_TYPE(SEQPACKET);
40 P_SK_TYPE(DCCP);
41 P_SK_TYPE(PACKET);
42#undef P_SK_TYPE
43 default:
44 printed = scnprintf(buf: bf, size, fmt: "%#x", type);
45 }
46
47#define P_SK_FLAG(n) \
48 if (flags & SOCK_##n) { \
49 printed += scnprintf(bf + printed, size - printed, "|%s", #n); \
50 flags &= ~SOCK_##n; \
51 }
52
53 P_SK_FLAG(CLOEXEC);
54 P_SK_FLAG(NONBLOCK);
55#undef P_SK_FLAG
56
57 if (flags)
58 printed += scnprintf(buf: bf + printed, size: size - printed, fmt: "|%#x", flags);
59
60 return printed;
61}
62
63#define SCA_SK_TYPE syscall_arg__scnprintf_socket_type
64

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