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
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