tools/perf/trace/beauty/flock.c

   1
   2 static size_t syscall_arg__scnprintf_flock(char *bf, size_t size,
   3                                            struct syscall_arg *arg)
   4 {
   5         int printed = 0, op = arg->val;
   6
   7         if (op == 0)
   8                 return scnprintf(bf, size, "NONE");
   9 #define P_CMD(cmd) \
  10         if ((op & LOCK_##cmd) == LOCK_##cmd) { \
  11                 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #cmd); \
  12                 op &= ~LOCK_##cmd; \
  13         }
  14
  15         P_CMD(SH);
  16         P_CMD(EX);
  17         P_CMD(NB);
  18         P_CMD(UN);
  19         P_CMD(MAND);
  20         P_CMD(RW);
  21         P_CMD(READ);
  22         P_CMD(WRITE);
  23 #undef P_OP
  24
  25         if (op)
  26                 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", op);
  27
  28         return printed;
  29 }
  30
  31 #define SCA_FLOCK syscall_arg__scnprintf_flock