tools/perf/trace/beauty/flock.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include <fcntl.h>
   3
   4 #ifndef LOCK_MAND
   5 #define LOCK_MAND        32
   6 #endif
   7
   8 #ifndef LOCK_READ
   9 #define LOCK_READ        64
  10 #endif
  11
  12 #ifndef LOCK_WRITE
  13 #define LOCK_WRITE      128
  14 #endif
  15
  16 #ifndef LOCK_RW
  17 #define LOCK_RW         192
  18 #endif
  19
  20 static size_t syscall_arg__scnprintf_flock(char *bf, size_t size,
  21                                            struct syscall_arg *arg)
  22 {
  23         int printed = 0, op = arg->val;
  24
  25         if (op == 0)
  26                 return scnprintf(bf, size, "NONE");
  27 #define P_CMD(cmd) \
  28         if ((op & LOCK_##cmd) == LOCK_##cmd) { \
  29                 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #cmd); \
  30                 op &= ~LOCK_##cmd; \
  31         }
  32
  33         P_CMD(SH);
  34         P_CMD(EX);
  35         P_CMD(NB);
  36         P_CMD(UN);
  37         P_CMD(MAND);
  38         P_CMD(RW);
  39         P_CMD(READ);
  40         P_CMD(WRITE);
  41 #undef P_OP
  42
  43         if (op)
  44                 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", op);
  45
  46         return printed;
  47 }
  48
  49 #define SCA_FLOCK syscall_arg__scnprintf_flock