/* Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #include #include #include #include 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); /* Advice the system about the expected behaviour of the application with respect to the file associated with FD. */ int __posix_fadvise64_l64 (int fd, off64_t offset, off64_t len, int advise) { #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 } #include #if SHLIB_COMPAT(libc, GLIBC_2_2, GLIBC_2_3_3) int attribute_compat_text_section __posix_fadvise64_l32 (int fd, off64_t offset, size_t len, int advise) { return __posix_fadvise64_l64 (fd, offset, len, advise); } versioned_symbol (libc, __posix_fadvise64_l64, posix_fadvise64, GLIBC_2_3_3); compat_symbol (libc, __posix_fadvise64_l32, posix_fadvise64, GLIBC_2_2); #else strong_alias (__posix_fadvise64_l64, posix_fadvise64); #endif