tools/perf/trace/beauty/waitid_options.c

   1 #include <sys/types.h>
   2 #include <sys/wait.h>
   3
   4 static size_t syscall_arg__scnprintf_waitid_options(char *bf, size_t size,
   5                                                     struct syscall_arg *arg)
   6 {
   7         int printed = 0, options = arg->val;
   8
   9 #define P_OPTION(n) \
  10         if (options & W##n) { \
  11                 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
  12                 options &= ~W##n; \
  13         }
  14
  15         P_OPTION(NOHANG);
  16         P_OPTION(UNTRACED);
  17         P_OPTION(CONTINUED);
  18 #undef P_OPTION
  19
  20         if (options)
  21                 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", options);
  22
  23         return printed;
  24 }
  25
  26 #define SCA_WAITID_OPTIONS syscall_arg__scnprintf_waitid_options