tools/perf/trace/beauty/open_flags.c

   1 #include <sys/types.h>
   2 #include <sys/stat.h>
   3 #include <fcntl.h>
   4
   5 #ifndef O_DIRECT
   6 #define O_DIRECT        00040000
   7 #endif
   8
   9 #ifndef O_DIRECTORY
  10 #define O_DIRECTORY     00200000
  11 #endif
  12
  13 #ifndef O_NOATIME
  14 #define O_NOATIME       01000000
  15 #endif
  16
  17 static size_t syscall_arg__scnprintf_open_flags(char *bf, size_t size,
  18                                                struct syscall_arg *arg)
  19 {
  20         int printed = 0, flags = arg->val;
  21
  22         if (!(flags & O_CREAT))
  23                 arg->mask |= 1 << (arg->idx + 1); /* Mask the mode parm */
  24
  25         if (flags == 0)
  26                 return scnprintf(bf, size, "RDONLY");
  27 #define P_FLAG(n) \
  28         if (flags & O_##n) { \
  29                 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
  30                 flags &= ~O_##n; \
  31         }
  32
  33         P_FLAG(APPEND);
  34         P_FLAG(ASYNC);
  35         P_FLAG(CLOEXEC);
  36         P_FLAG(CREAT);
  37         P_FLAG(DIRECT);
  38         P_FLAG(DIRECTORY);
  39         P_FLAG(EXCL);
  40         P_FLAG(LARGEFILE);
  41         P_FLAG(NOATIME);
  42         P_FLAG(NOCTTY);
  43 #ifdef O_NONBLOCK
  44         P_FLAG(NONBLOCK);
  45 #elif O_NDELAY
  46         P_FLAG(NDELAY);
  47 #endif
  48 #ifdef O_PATH
  49         P_FLAG(PATH);
  50 #endif
  51         P_FLAG(RDWR);
  52 #ifdef O_DSYNC
  53         if ((flags & O_SYNC) == O_SYNC)
  54                 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", "SYNC");
  55         else {
  56                 P_FLAG(DSYNC);
  57         }
  58 #else
  59         P_FLAG(SYNC);
  60 #endif
  61         P_FLAG(TRUNC);
  62         P_FLAG(WRONLY);
  63 #undef P_FLAG
  64
  65         if (flags)
  66                 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
  67
  68         return printed;
  69 }
  70
  71 #define SCA_OPEN_FLAGS syscall_arg__scnprintf_open_flags