1 // SPDX-License-Identifier: LGPL-2.1 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 bool show_prefix = arg->show_string_prefix; 9 const char *prefix = "W"; 10 int printed = 0, options = arg->val; 11 12 #define P_OPTION(n) \ 13 if (options & W##n) { \ 14 printed += scnprintf(bf + printed, size - printed, "%s%s%s", printed ? "|" : "", show_prefix ? prefix : "", #n); \ 15 options &= ~W##n; \ 16 } 17 18 P_OPTION(NOHANG); 19 P_OPTION(UNTRACED); 20 P_OPTION(CONTINUED); 21 #undef P_OPTION 22 23 if (options) 24 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", options); 25 26 return printed; 27 } 28 29 #define SCA_WAITID_OPTIONS syscall_arg__scnprintf_waitid_options 30