diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/mips/pwrite.c')
-rw-r--r-- | sysdeps/unix/sysv/linux/mips/pwrite.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/mips/pwrite.c b/sysdeps/unix/sysv/linux/mips/pwrite.c new file mode 100644 index 0000000000..a83df31ca4 --- /dev/null +++ b/sysdeps/unix/sysv/linux/mips/pwrite.c @@ -0,0 +1,71 @@ +/* Copyright (C) 1997, 1998, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <errno.h> +#include <unistd.h> + +#include <sysdep.h> +#include <sys/syscall.h> + +#include <kernel-features.h> + +#if defined __NR_pwrite || __ASSUME_PWRITE_SYSCALL > 0 + +extern ssize_t __syscall_pwrite (int fd, const void *buf, size_t count, + int dummy, off_t offset_hi, off_t offset_lo); + +# if __ASSUME_PWRITE_SYSCALL == 0 +static ssize_t __emulate_pwrite (int fd, const void *buf, size_t count, + off_t offset) internal_function; +# endif + +ssize_t +__libc_pwrite (fd, buf, count, offset) + int fd; + const void *buf; + size_t count; + off_t offset; +{ + ssize_t result; + + /* First try the syscall. */ +# if defined(__MIPSEB__) + result = INLINE_SYSCALL (pwrite, 6, fd, buf, count, 0, 0, offset); +# elif defined(__MIPSEL__) + result = INLINE_SYSCALL (pwrite, 6, fd, buf, count, 0, offset, 0); +# endif +# if __ASSUME_PWRITE_SYSCALL == 0 + if (result == -1 && errno == ENOSYS) + /* No system call available. Use the emulation. */ + result = __emulate_pwrite (fd, buf, count, offset); +# endif + + return result; +} + +strong_alias (__libc_pwrite, __pwrite) +weak_alias (__libc_pwrite, pwrite) + +# define __libc_pwrite(fd, buf, count, offset) \ + static internal_function __emulate_pwrite (fd, buf, count, offset) +#endif + +#if __ASSUME_PWRITE_SYSCALL == 0 +# include <sysdeps/posix/pwrite.c> +#endif |