tools/perf/trace/beauty/waitid_options.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include <sys/types.h>
   3 #include <sys/wait.h>
   4
   5 static size_t syscall_arg__scnprintf_waitid_options(char *bf, size_t size,
   6                                                     struct syscall_arg *arg)
   7 {
   8         int printed = 0, options = arg->val;
   9
  10 #define P_OPTION(n) \
  11         if (options & W##n) { \
  12                 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
  13                 options &= ~W##n; \
  14         }
  15
  16         P_OPTION(NOHANG);
  17         P_OPTION(UNTRACED);
  18         P_OPTION(CONTINUED);
  19 #undef P_OPTION
  20
  21         if (options)
  22                 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", options);
  23
  24         return printed;
  25 }
  26
  27 #define SCA_WAITID_OPTIONS syscall_arg__scnprintf_waitid_options