From f66f0ce833523a47e12b4a3eacab6b20866ab033 Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Sat, 19 May 2012 06:51:12 -0700 Subject: Add 64-bit preadv.c and pwritev.c --- sysdeps/unix/sysv/linux/wordsize-64/preadv.c | 73 +++++++++++++++++++++++++++ sysdeps/unix/sysv/linux/wordsize-64/pwritev.c | 73 +++++++++++++++++++++++++++ 2 files changed, 146 insertions(+) create mode 100644 sysdeps/unix/sysv/linux/wordsize-64/preadv.c create mode 100644 sysdeps/unix/sysv/linux/wordsize-64/pwritev.c (limited to 'sysdeps/unix/sysv/linux') diff --git a/sysdeps/unix/sysv/linux/wordsize-64/preadv.c b/sysdeps/unix/sysv/linux/wordsize-64/preadv.c new file mode 100644 index 0000000000..e36ca8690c --- /dev/null +++ b/sysdeps/unix/sysv/linux/wordsize-64/preadv.c @@ -0,0 +1,73 @@ +/* 64-bit preadv. + Copyright (C) 2012 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, see + . */ + +#include +#include +#include +/* Hide the preadv64 declaration. */ +#define preadv64 __redirect_preadv64 +#include + +#include +#include +#include + +#ifndef __ASSUME_PREADV +static ssize_t __atomic_preadv_replacement (int, const struct iovec *, + int, off_t) internal_function; +#endif + +ssize_t +preadv (int fd, const struct iovec *vector, int count, off_t offset) +{ +#ifdef __NR_preadv + ssize_t result; + + if (SINGLE_THREAD_P) + result = INLINE_SYSCALL (preadv, 4, fd, vector, count, offset); + else + { + int oldtype = LIBC_CANCEL_ASYNC (); + + result = INLINE_SYSCALL (preadv, 4, fd, vector, count, offset); + + LIBC_CANCEL_RESET (oldtype); + } +# ifdef __ASSUME_PREADV + return result; +# endif +#endif + +#ifndef __ASSUME_PREADV +# ifdef __NR_preadv + if (result >= 0 || errno != ENOSYS) + return result; +# endif + + return __atomic_preadv_replacement (fd, vector, count, offset); +#endif +} +#undef preadv64 +strong_alias (preadv, preadv64) + +#ifndef __ASSUME_PREADV +# define PREADV static internal_function __atomic_preadv_replacement +# define PREAD __pread +# define OFF_T off_t +# include +#endif diff --git a/sysdeps/unix/sysv/linux/wordsize-64/pwritev.c b/sysdeps/unix/sysv/linux/wordsize-64/pwritev.c new file mode 100644 index 0000000000..05644dd0a3 --- /dev/null +++ b/sysdeps/unix/sysv/linux/wordsize-64/pwritev.c @@ -0,0 +1,73 @@ +/* 64-bit pwritev. + Copyright (C) 2012 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, see + . */ + +#include +#include +#include +/* Hide the pwritev64 declaration. */ +#define pwritev64 __redirect_pwritev64 +#include + +#include +#include +#include + +#ifndef __ASSUME_PWRITEV +static ssize_t __atomic_pwritev_replacement (int, const struct iovec *, + int, off_t) internal_function; +#endif + +ssize_t +pwritev (int fd, const struct iovec *vector, int count, off_t offset) +{ +#ifdef __NR_pwritev + ssize_t result; + + if (SINGLE_THREAD_P) + result = INLINE_SYSCALL (pwritev, 4, fd, vector, count, offset); + else + { + int oldtype = LIBC_CANCEL_ASYNC (); + + result = INLINE_SYSCALL (pwritev, 4, fd, vector, count, offset); + + LIBC_CANCEL_RESET (oldtype); + } +# ifdef __ASSUME_PWRITEV + return result; +# endif +#endif + +#ifndef __ASSUME_PWRITEV +# ifdef __NR_pwritev + if (result >= 0 || errno != ENOSYS) + return result; +# endif + + return __atomic_pwritev_replacement (fd, vector, count, offset); +#endif +} +#undef pwritev64 +strong_alias (pwritev, pwritev64) + +#ifndef __ASSUME_PWRITEV +# define PWRITE __pwrite +# define PWRITEV static internal_function __atomic_pwritev_replacement +# define OFF_T off_t +# include +#endif -- cgit 1.4.1