tools/perf/trace/beauty/msg_flags.c

   1 #include <sys/types.h>
   2 #include <sys/socket.h>
   3
   4 #ifndef MSG_PROBE
   5 #define MSG_PROBE                    0x10
   6 #endif
   7 #ifndef MSG_WAITFORONE
   8 #define MSG_WAITFORONE             0x10000
   9 #endif
  10 #ifndef MSG_SENDPAGE_NOTLAST
  11 #define MSG_SENDPAGE_NOTLAST       0x20000
  12 #endif
  13 #ifndef MSG_FASTOPEN
  14 #define MSG_FASTOPEN            0x20000000
  15 #endif
  16 #ifndef MSG_CMSG_CLOEXEC
  17 # define MSG_CMSG_CLOEXEC       0x40000000
  18 #endif
  19
  20 static size_t syscall_arg__scnprintf_msg_flags(char *bf, size_t size,
  21                                                struct syscall_arg *arg)
  22 {
  23         int printed = 0, flags = arg->val;
  24
  25         if (flags == 0)
  26                 return scnprintf(bf, size, "NONE");
  27 #define P_MSG_FLAG(n) \
  28         if (flags & MSG_##n) { \
  29                 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
  30                 flags &= ~MSG_##n; \
  31         }
  32
  33         P_MSG_FLAG(OOB);
  34         P_MSG_FLAG(PEEK);
  35         P_MSG_FLAG(DONTROUTE);
  36         P_MSG_FLAG(CTRUNC);
  37         P_MSG_FLAG(PROBE);
  38         P_MSG_FLAG(TRUNC);
  39         P_MSG_FLAG(DONTWAIT);
  40         P_MSG_FLAG(EOR);
  41         P_MSG_FLAG(WAITALL);
  42         P_MSG_FLAG(FIN);
  43         P_MSG_FLAG(SYN);
  44         P_MSG_FLAG(CONFIRM);
  45         P_MSG_FLAG(RST);
  46         P_MSG_FLAG(ERRQUEUE);
  47         P_MSG_FLAG(NOSIGNAL);
  48         P_MSG_FLAG(MORE);
  49         P_MSG_FLAG(WAITFORONE);
  50         P_MSG_FLAG(SENDPAGE_NOTLAST);
  51         P_MSG_FLAG(FASTOPEN);
  52         P_MSG_FLAG(CMSG_CLOEXEC);
  53 #undef P_MSG_FLAG
  54
  55         if (flags)
  56                 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
  57
  58         return printed;
  59 }
  60
  61 #define SCA_MSG_FLAGS syscall_arg__scnprintf_msg_flags