1 // SPDX-License-Identifier: LGPL-2.1
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 
syscall_arg__scnprintf_eventfd_flags(char * bf,size_t size,struct syscall_arg * arg)14 static 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