Back to index

glibc  2.9
Functions
posix_fadvise64.c File Reference
#include <errno.h>
#include <fcntl.h>
#include <sysdep.h>
#include <kernel-features.h>
#include <shlib-compat.h>

Go to the source code of this file.

Functions

int __posix_fadvise64_l64 (int fd, off64_t offset, off64_t len, int advise)
int __posix_fadvise64_l32 (int fd, off64_t offset, size_t len, int advise)
 strong_alias (__posix_fadvise64_l64, posix_fadvise64)

Function Documentation

int __posix_fadvise64_l32 ( int  fd,
off64_t  offset,
size_t  len,
int  advise 
)
int __posix_fadvise64_l64 ( int  fd,
off64_t  offset,
off64_t  len,
int  advise 
)

Definition at line 31 of file posix_fadvise64.c.

{
#ifdef __NR_arm_fadvise64_64
  INTERNAL_SYSCALL_DECL (err);
  int ret = INTERNAL_SYSCALL (arm_fadvise64_64, err, 6, fd, advise,
                           __LONG_LONG_PAIR ((long)(offset >> 32), (long)offset),
                           __LONG_LONG_PAIR ((long)(len >> 32), (long)len));
  if (!INTERNAL_SYSCALL_ERROR_P (ret, err))
    return 0;
# ifndef __ASSUME_FADVISE64_64_SYSCALL
  if (INTERNAL_SYSCALL_ERRNO (ret, err) != ENOSYS)
# endif
   return INTERNAL_SYSCALL_ERRNO (ret, err);
#endif
#ifndef __ASSUME_FADVISE64_64_SYSCALL
# ifdef __NR_fadvise64
  if (len != (off_t) len)
    return EOVERFLOW;

  INTERNAL_SYSCALL_DECL (err2);
  int ret2 = INTERNAL_SYSCALL (fadvise64, err2, 6, fd, 0,
                            __LONG_LONG_PAIR ((long)(offset >> 32), (long)offset),
                            (off_t) len, advise);
  if (!INTERNAL_SYSCALL_ERROR_P (ret2, err2))
    return 0;
  return INTERNAL_SYSCALL_ERRNO (ret2, err2);
# else
  return ENOSYS;
# endif
#endif
}