| #include <sys/eventfd.h> |
| |
| #ifndef EFD_SEMAPHORE |
| #define EFD_SEMAPHORE 1 |
| #endif |
| |
| #ifndef EFD_NONBLOCK |
| #define EFD_NONBLOCK 00004000 |
| #endif |
| |
| #ifndef EFD_CLOEXEC |
| #define EFD_CLOEXEC 02000000 |
| #endif |
| |
| static size_t syscall_arg__scnprintf_eventfd_flags(char *bf, size_t size, struct syscall_arg *arg) |
| { |
| int printed = 0, flags = arg->val; |
| |
| if (flags == 0) |
| return scnprintf(bf, size, "NONE"); |
| #define P_FLAG(n) \ |
| if (flags & EFD_##n) { \ |
| printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ |
| flags &= ~EFD_##n; \ |
| } |
| |
| P_FLAG(SEMAPHORE); |
| P_FLAG(CLOEXEC); |
| P_FLAG(NONBLOCK); |
| #undef P_FLAG |
| |
| if (flags) |
| printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); |
| |
| return printed; |
| } |
| |
| #define SCA_EFD_FLAGS syscall_arg__scnprintf_eventfd_flags |
