1 // SPDX-License-Identifier: GPL-2.0 2 #ifndef EFD_SEMAPHORE 3 #define EFD_SEMAPHORE 1 4 #endif 5 6 #ifndef EFD_NONBLOCK 7 #define EFD_NONBLOCK 00004000 8 #endif 9 10 #ifndef EFD_CLOEXEC 11 #define EFD_CLOEXEC 02000000 12 #endif 13 14 static size_t syscall_arg__scnprintf_eventfd_flags(char *bf, size_t size, struct syscall_arg *arg) 15 { 16 int printed = 0, flags = arg->val; 17 18 if (flags == 0) 19 return scnprintf(bf, size, "NONE"); 20 #define P_FLAG(n) \ 21 if (flags & EFD_##n) { \ 22 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ 23 flags &= ~EFD_##n; \ 24 } 25 26 P_FLAG(SEMAPHORE); 27 P_FLAG(CLOEXEC); 28 P_FLAG(NONBLOCK); 29 #undef P_FLAG 30 31 if (flags) 32 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); 33 34 return printed; 35 } 36 37 #define SCA_EFD_FLAGS syscall_arg__scnprintf_eventfd_flags 38