[mirror_ubuntu-artful-kernel.git] / tools / perf / trace / beauty / eventfd.c

#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
Commit	Line	Data
ea8dc3ce ACM	1	#ifndef EFD_SEMAPHORE
	2	#define EFD_SEMAPHORE 1
	3	#endif
	4
	5	#ifndef EFD_NONBLOCK
	6	#define EFD_NONBLOCK 00004000
	7	#endif
	8
	9	#ifndef EFD_CLOEXEC
	10	#define EFD_CLOEXEC 02000000
	11	#endif
	12
	13	static size_t syscall_arg__scnprintf_eventfd_flags(char bf, size_t size, struct syscall_arg arg)
	14	{
	15	int printed = 0, flags = arg->val;
	16
	17	if (flags == 0)
	18	return scnprintf(bf, size, "NONE");
	19	#define P_FLAG(n) \
	20	if (flags & EFD_##n) { \
	21	printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "\|" : "", #n); \
	22	flags &= ~EFD_##n; \
	23	}
	24
	25	P_FLAG(SEMAPHORE);
	26	P_FLAG(CLOEXEC);
	27	P_FLAG(NONBLOCK);
	28	#undef P_FLAG
	29
	30	if (flags)
	31	printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "\|" : "", flags);
	32
	33	return printed;
	34	}
	35
	36	#define SCA_EFD_FLAGS syscall_arg__scnprintf_eventfd_flags