linux-syscalls.h File Reference

#include <stdint.h>
#include <signal.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/socket.h>

Go to the source code of this file.

Classes
struct	uv__statx_timestamp
struct	uv__statx

Macros
#define	_GNU_SOURCE

Functions
ssize_t	uv__preadv (int fd, const struct iovec *iov, int iovcnt, int64_t offset)
ssize_t	uv__pwritev (int fd, const struct iovec *iov, int iovcnt, int64_t offset)
int	uv__dup3 (int oldfd, int newfd, int flags)
ssize_t	uv__fs_copy_file_range (int fd_in, ssize_t *off_in, int fd_out, ssize_t *off_out, size_t len, unsigned int flags)
int	uv__statx (int dirfd, const char *path, int flags, unsigned int mask, struct uv__statx *statxbuf)
ssize_t	uv__getrandom (void *buf, size_t buflen, unsigned flags)

Macro Definition Documentation

_GNU_SOURCE

#define _GNU_SOURCE

Definition at line 26 of file linux-syscalls.h.

Function Documentation

uv__dup3()

int uv__dup3	(	int	oldfd,
		int	newfd,
		int	flags
	)

Definition at line 214 of file linux-syscalls.c.

                                              {
#if defined(__NR_dup3)
  return syscall(__NR_dup3, oldfd, newfd, flags);
#else
  return errno = ENOSYS, -1;
#endif
}

References __NR_dup3, flags, oldfd, and syscall.

uv__fs_copy_file_range()

ssize_t uv__fs_copy_file_range	(	int	fd_in,
		ssize_t *	off_in,
		int	fd_out,
		ssize_t *	off_out,
		size_t	len,
		unsigned int	flags
	)

Definition at line 224 of file linux-syscalls.c.

{
#ifdef __NR_copy_file_range
  return syscall(__NR_copy_file_range,
                 fd_in,
                 off_in,
                 fd_out,
                 off_out,
                 len,
                 flags);
#else
  return errno = ENOSYS, -1;
#endif
}

References flags, len, and syscall.

Referenced by uv__fs_sendfile().

uv__getrandom()

ssize_t uv__getrandom	(	void *	buf,
		size_t	buflen,
		unsigned	flags
	)

Definition at line 261 of file linux-syscalls.c.

                                                                {
#if defined(__NR_getrandom)
  return syscall(__NR_getrandom, buf, buflen, flags);
#else
  return errno = ENOSYS, -1;
#endif
}

References buflen, flags, and syscall.

uv__preadv()

ssize_t uv__preadv	(	int	fd,
		const struct iovec *	iov,
		int	iovcnt,
		int64_t	offset
	)

Definition at line 196 of file linux-syscalls.c.

                                                                                {
#if defined(__NR_preadv)
  return syscall(__NR_preadv, fd, iov, iovcnt, (long)offset, (long)(offset >> 32));
#else
  return errno = ENOSYS, -1;
#endif
}

References __NR_preadv, fd, iov, and syscall.

Referenced by uv__fs_read().

uv__pwritev()

ssize_t uv__pwritev	(	int	fd,
		const struct iovec *	iov,
		int	iovcnt,
		int64_t	offset
	)

Definition at line 205 of file linux-syscalls.c.

                                                                                 {
#if defined(__NR_pwritev)
  return syscall(__NR_pwritev, fd, iov, iovcnt, (long)offset, (long)(offset >> 32));
#else
  return errno = ENOSYS, -1;
#endif
}

References __NR_pwritev, fd, iov, and syscall.

Referenced by uv__fs_write().

uv__statx()

int uv__statx	(	int	dirfd,
		const char *	path,
		int	flags,
		unsigned int	mask,
		struct uv__statx *	statxbuf
	)

Definition at line 245 of file linux-syscalls.c.

                                          {
  /* __NR_statx make Android box killed by SIGSYS.
   * That looks like a seccomp2 sandbox filter rejecting the system call.
   */
#if defined(__NR_statx) && !defined(__ANDROID__)
  return syscall(__NR_statx, dirfd, path, flags, mask, statxbuf);
#else
  return errno = ENOSYS, -1;
#endif
}

References flags, mask, path, and syscall.

Referenced by uv__fs_statx().