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0469311e87
2002-01-07 Ulrich Drepper <drepper@redhat.com> * libio/fileops.c (_IO_file_underflow_mmap): New function. (_IO_file_close_mmap): New function. (_IO_file_jumps_mmap): New variable. * libio/wfileops.c (_IO_wfile_underflow): Reset read pointer before trying to convert rest of byte buffer. (_IO_wfile_underflow_mmap): New function. (_IO_wfile_jumps_mmap): New variable. * libio/iofopen.c (__fopen_maybe_mmap): New function. (__fopen_internal): New function. Split out from _IO_new_fopen. (_IO_new_fopen): Call __fopen_internal. * libio/iofopen64.c: Just call __fopen_internal. * libio/iofdopen.c: Call __fopen_maybe_mmap before returning successfully. * libio/iolibio.h: Declare __fopen_internal and __fopen_maybe_mmap. * libio/libioP.h: Declare _IO_file_jumps_mmap, _IO_wfile_jumps_mmap, _IO_file_close_mmap. * sysdeps/gnu/_G_config.h: Define _G_MMAP64. * sysdeps/unix/sysv/linux/cris/_G_config.h: Likewise. * stdio-common/Makefile (tests): Add tst-rndseek. * stdio-common/tst-rndseek.c: New file.
107 lines
2.8 KiB
C
107 lines
2.8 KiB
C
/* This file is needed by libio to define various configuration parameters.
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These are always the same in the GNU C library. */
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/* We have to keep a separate copy for CRIS, because we don't use thunks,
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and libstdc++-v2 (which we currently use) cares. The C++ ABI is
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changed totally with GCC 3.0, where we should not need a separate file. */
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#ifndef _G_config_h
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#define _G_config_h 1
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/* Define types for libio in terms of the standard internal type names. */
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#include <bits/types.h>
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#define __need_size_t
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#define __need_wchar_t
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#define __need_wint_t
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#define __need_NULL
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#include <stddef.h>
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#ifndef _WINT_T
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/* Integral type unchanged by default argument promotions that can
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hold any value corresponding to members of the extended character
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set, as well as at least one value that does not correspond to any
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member of the extended character set. */
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# define _WINT_T
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typedef unsigned int wint_t;
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#endif
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#define __need_mbstate_t
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#include <wchar.h>
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#define _G_size_t size_t
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typedef struct
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{
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__off_t __pos;
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__mbstate_t __state;
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} _G_fpos_t;
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typedef struct
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{
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__off64_t __pos;
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__mbstate_t __state;
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} _G_fpos64_t;
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#define _G_ssize_t __ssize_t
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#define _G_off_t __off_t
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#define _G_off64_t __off64_t
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#define _G_pid_t __pid_t
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#define _G_uid_t __uid_t
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#define _G_wchar_t wchar_t
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#define _G_wint_t wint_t
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#define _G_stat64 stat64
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#include <gconv.h>
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typedef union
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{
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struct __gconv_info __cd;
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struct
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{
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struct __gconv_info __cd;
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struct __gconv_step_data __data;
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} __combined;
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} _G_iconv_t;
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typedef int _G_int16_t __attribute__ ((__mode__ (__HI__)));
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typedef int _G_int32_t __attribute__ ((__mode__ (__SI__)));
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typedef unsigned int _G_uint16_t __attribute__ ((__mode__ (__HI__)));
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typedef unsigned int _G_uint32_t __attribute__ ((__mode__ (__SI__)));
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#define _G_HAVE_BOOL 1
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/* These library features are always available in the GNU C library. */
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#define _G_HAVE_ATEXIT 1
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#define _G_HAVE_SYS_CDEFS 1
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#define _G_HAVE_SYS_WAIT 1
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#define _G_NEED_STDARG_H 1
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#define _G_va_list __gnuc_va_list
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#define _G_HAVE_PRINTF_FP 1
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#define _G_HAVE_MMAP 1
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#define _G_HAVE_LONG_DOUBLE_IO 1
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#define _G_HAVE_IO_FILE_OPEN 1
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#define _G_HAVE_IO_GETLINE_INFO 1
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#define _G_IO_IO_FILE_VERSION 0x20001
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#define _G_OPEN64 __open64
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#define _G_LSEEK64 __lseek64
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#define _G_MMAP64 __mmap64
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#define _G_FSTAT64(fd,buf) __fxstat64 (_STAT_VER, fd, buf)
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/* This is defined by <bits/stat.h> if `st_blksize' exists. */
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#define _G_HAVE_ST_BLKSIZE defined (_STATBUF_ST_BLKSIZE)
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#define _G_BUFSIZ 8192
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/* These are the vtbl details for ELF. */
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#define _G_NAMES_HAVE_UNDERSCORE 0
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#define _G_VTABLE_LABEL_HAS_LENGTH 1
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#undef _G_USING_THUNKS
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#define _G_VTABLE_LABEL_PREFIX "_vt."
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#define _G_VTABLE_LABEL_PREFIX_ID _vt.
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#if defined __cplusplus || defined __STDC__
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# define _G_ARGS(ARGLIST) ARGLIST
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#else
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# define _G_ARGS(ARGLIST) ()
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#endif
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#endif /* _G_config.h */
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