tools/include/nolibc/sys/timerfd.h

Source file repositories/reference/linux-study-clean/tools/include/nolibc/sys/timerfd.h

File Facts

System
Linux kernel
Corpus path
tools/include/nolibc/sys/timerfd.h
Extension
.h
Size
1886 bytes
Lines
72
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: implementation source
Status
source implementation candidate

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

#include "../nolibc.h"

#ifndef _NOLIBC_SYS_TIMERFD_H
#define _NOLIBC_SYS_TIMERFD_H

#include "../sys.h"
#include "../time.h"

#include <linux/timerfd.h>


static __attribute__((unused))
int _sys_timerfd_create(int clockid, int flags)
{
	return __nolibc_syscall2(__NR_timerfd_create, clockid, flags);
}

static __attribute__((unused))
int timerfd_create(int clockid, int flags)
{
	return __sysret(_sys_timerfd_create(clockid, flags));
}


static __attribute__((unused))
int _sys_timerfd_gettime(int fd, struct itimerspec *curr_value)
{
#if defined(__NR_timerfd_gettime64)
	__nolibc_assert_time64_type(curr_value->it_value.tv_sec);
	return __nolibc_syscall2(__NR_timerfd_gettime64, fd, curr_value);
#else
	__nolibc_assert_native_time64();
	return __nolibc_syscall2(__NR_timerfd_gettime, fd, curr_value);
#endif
}

static __attribute__((unused))
int timerfd_gettime(int fd, struct itimerspec *curr_value)
{
	return __sysret(_sys_timerfd_gettime(fd, curr_value));
}


static __attribute__((unused))
int _sys_timerfd_settime(int fd, int flags,
			 const struct itimerspec *new_value, struct itimerspec *old_value)
{
#if defined(__NR_timerfd_settime64)
	__nolibc_assert_time64_type(new_value->it_value.tv_sec);
	return __nolibc_syscall4(__NR_timerfd_settime64, fd, flags, new_value, old_value);
#else
	__nolibc_assert_native_time64();
	return __nolibc_syscall4(__NR_timerfd_settime, fd, flags, new_value, old_value);
#endif
}

static __attribute__((unused))
int timerfd_settime(int fd, int flags,
		    const struct itimerspec *new_value, struct itimerspec *old_value)
{
	return __sysret(_sys_timerfd_settime(fd, flags, new_value, old_value));
}

#endif /* _NOLIBC_SYS_TIMERFD_H */

Annotation

Implementation Notes