diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/mips/pread64.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/mips/pread64.c | 34 |
1 files changed, 22 insertions, 12 deletions
diff --git a/sysdeps/unix/sysv/linux/mips/pread64.c b/sysdeps/unix/sysv/linux/mips/pread64.c index dfcfa01318..85fe77c762 100644 --- a/sysdeps/unix/sysv/linux/mips/pread64.c +++ b/sysdeps/unix/sysv/linux/mips/pread64.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1997, 1998 Free Software Foundation, Inc. +/* 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. @@ -23,17 +23,22 @@ #include <sysdep.h> #include <sys/syscall.h> -#ifdef __NR_pread +#include <kernel-features.h> -extern ssize_t __syscall_pread (int fd, void *buf, size_t count, int dummy, - off_t offset_hi, off_t offset_lo); +#if defined __NR_pread || __ASSUME_PREAD_SYSCALL > 0 +# if __ASSUME_PREAD_SYSCALL == 0 static ssize_t __emulate_pread64 (int fd, void *buf, size_t count, off64_t offset) internal_function; +# endif + +extern ssize_t __syscall_pread (int fd, void *buf, size_t count, int dummy, + off_t offset_hi, off_t offset_lo); + ssize_t -__pread64 (fd, buf, count, offset) +__libc_pread64 (fd, buf, count, offset) int fd; void *buf; size_t count; @@ -42,24 +47,29 @@ __pread64 (fd, buf, count, offset) ssize_t result; /* First try the syscall. */ -#if defined(__MIPSEB__) +# if defined(__MIPSEB__) result = INLINE_SYSCALL (pread, 6, fd, buf, count, 0, (off_t) (offset >> 32), (off_t) (offset & 0xffffffff)); -#elif defined(__MIPSEL__) +# elif defined(__MIPSEL__) result = INLINE_SYSCALL (pread, 6, fd, buf, count, 0, (off_t) (offset & 0xffffffff), (off_t) (offset >> 32)); -#endif +# endif +# if __ASSUME_PREAD_SYSCALL == 0 if (result == -1 && errno == ENOSYS) /* No system call available. Use the emulation. */ result = __emulate_pread64 (fd, buf, count, offset); - +# endif return result; } -weak_alias (__pread64, pread64) +strong_alias (__libc_pread64, __pread64) +weak_alias (__libc_pread64, pread64) -#define __pread64(fd, buf, count, offset) \ +# define __libc_pread64(fd, buf, count, offset) \ static internal_function __emulate_pread64 (fd, buf, count, offset) #endif -#include <sysdeps/posix/pread64.c> + +#if __ASSUME_PREAD_SYSCALL == 0 +# include <sysdeps/posix/pread64.c> +#endif |