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 27