1
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
14static size_t syscall_arg__scnprintf_eventfd_flags(char *bf, size_t size, struct syscall_arg *arg)
15{
16 bool show_prefix = arg->show_string_prefix;
17 const char *prefix = "EFD_";
18 int printed = 0, flags = arg->val;
19
20 if (flags == 0)
21 return scnprintf(bf, size, "NONE");
22#define P_FLAG(n) \
23 if (flags & EFD_##n) { \
24 printed += scnprintf(bf + printed, size - printed, "%s%s%s", printed ? "|" : "", show_prefix ? prefix : "", #n); \
25 flags &= ~EFD_##n; \
26 }
27
28 P_FLAG(SEMAPHORE);
29 P_FLAG(CLOEXEC);
30 P_FLAG(NONBLOCK);
31#undef P_FLAG
32
33 if (flags)
34 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
35
36 return printed;
37}
38
39#define SCA_EFD_FLAGS syscall_arg__scnprintf_eventfd_flags
40
