diff options
author | stevel@tonic-gate <none@none> | 2005-06-14 00:00:00 -0700 |
---|---|---|
committer | stevel@tonic-gate <none@none> | 2005-06-14 00:00:00 -0700 |
commit | 7c478bd95313f5f23a4c958a745db2134aa03244 (patch) | |
tree | c871e58545497667cbb4b0a4f2daf204743e1fe7 /usr/src/lib/libc/port/stdio/data.c | |
download | illumos-gate-7c478bd95313f5f23a4c958a745db2134aa03244.tar.gz |
OpenSolaris Launch
Diffstat (limited to 'usr/src/lib/libc/port/stdio/data.c')
-rw-r--r-- | usr/src/lib/libc/port/stdio/data.c | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/usr/src/lib/libc/port/stdio/data.c b/usr/src/lib/libc/port/stdio/data.c new file mode 100644 index 0000000000..a4da2c23e3 --- /dev/null +++ b/usr/src/lib/libc/port/stdio/data.c @@ -0,0 +1,141 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2004 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#pragma ident "%Z%%M% %I% %E% SMI" + +/* Copyright (c) 1988 AT&T */ +/* All Rights Reserved */ + + +#pragma weak _iob = __iob + +#include "synonyms.h" +#include "mbstatet.h" +#include "mtlib.h" +#include "file64.h" +#include <stdio.h> +#include <thread.h> +#include <synch.h> +#include "stdiom.h" +#include <wchar.h> + +/* + * Ptrs to start of preallocated buffers for stdin, stdout. + * Some slop is allowed at the end of the buffers in case an upset in + * the synchronization of _cnt and _ptr (caused by an interrupt or other + * signal) is not immediately detected. + */ + +Uchar _sibuf[BUFSIZ + _SMBFSZ], _sobuf[BUFSIZ + _SMBFSZ]; +Uchar _smbuf[_NFILE + 1][_SMBFSZ] = {0}; /* shared library compatibility */ + + +#define DEFAULTMBSTATE \ + { NULL, NULL, {0, 0, 0, 0, 0, 0, 0, 0}, 0, {0, 0}} + +#ifdef _LP64 + +#if _NFILE != 20 +#error "_iob[] initialization impossible" +#endif + +FILE _iob[_NFILE] = { + { NULL, NULL, NULL, 0, 0, _IOREAD, RECURSIVEMUTEX, DEFAULTMBSTATE }, + { NULL, NULL, NULL, 0, 1, _IOWRT, RECURSIVEMUTEX, DEFAULTMBSTATE }, + { NULL, NULL, NULL, 0, 2, _IOWRT|_IONBF, RECURSIVEMUTEX, + DEFAULTMBSTATE }, + { NULL, NULL, NULL, 0, 0, 0, RECURSIVEMUTEX, DEFAULTMBSTATE }, + { NULL, NULL, NULL, 0, 0, 0, RECURSIVEMUTEX, DEFAULTMBSTATE }, + { NULL, NULL, NULL, 0, 0, 0, RECURSIVEMUTEX, DEFAULTMBSTATE }, + { NULL, NULL, NULL, 0, 0, 0, RECURSIVEMUTEX, DEFAULTMBSTATE }, + { NULL, NULL, NULL, 0, 0, 0, RECURSIVEMUTEX, DEFAULTMBSTATE }, + { NULL, NULL, NULL, 0, 0, 0, RECURSIVEMUTEX, DEFAULTMBSTATE }, + { NULL, NULL, NULL, 0, 0, 0, RECURSIVEMUTEX, DEFAULTMBSTATE }, + { NULL, NULL, NULL, 0, 0, 0, RECURSIVEMUTEX, DEFAULTMBSTATE }, + { NULL, NULL, NULL, 0, 0, 0, RECURSIVEMUTEX, DEFAULTMBSTATE }, + { NULL, NULL, NULL, 0, 0, 0, RECURSIVEMUTEX, DEFAULTMBSTATE }, + { NULL, NULL, NULL, 0, 0, 0, RECURSIVEMUTEX, DEFAULTMBSTATE }, + { NULL, NULL, NULL, 0, 0, 0, RECURSIVEMUTEX, DEFAULTMBSTATE }, + { NULL, NULL, NULL, 0, 0, 0, RECURSIVEMUTEX, DEFAULTMBSTATE }, + { NULL, NULL, NULL, 0, 0, 0, RECURSIVEMUTEX, DEFAULTMBSTATE }, + { NULL, NULL, NULL, 0, 0, 0, RECURSIVEMUTEX, DEFAULTMBSTATE }, + { NULL, NULL, NULL, 0, 0, 0, RECURSIVEMUTEX, DEFAULTMBSTATE }, + { NULL, NULL, NULL, 0, 0, 0, RECURSIVEMUTEX, DEFAULTMBSTATE } +}; + +#else + +#if _NFILE != 20 && _NFILE != 60 +#error "_iob[] initialization impossible" +#endif + +/* + * FILEs not in _iob will never reference this table, so we only need _NFILE + * entries. + */ +struct xFILEdata _xftab[_NFILE] = { + XFILEINITIALIZER, XFILEINITIALIZER, + { 0, _smbuf[2] + _SBFSIZ, RECURSIVEMUTEX, DEFAULTMBSTATE }, /* stderr */ + XFILEINITIALIZER, XFILEINITIALIZER, XFILEINITIALIZER, XFILEINITIALIZER, + XFILEINITIALIZER, XFILEINITIALIZER, XFILEINITIALIZER, XFILEINITIALIZER, + XFILEINITIALIZER, XFILEINITIALIZER, XFILEINITIALIZER, XFILEINITIALIZER, + XFILEINITIALIZER, XFILEINITIALIZER, XFILEINITIALIZER, XFILEINITIALIZER, +#if _NFILE == 60 + XFILEINITIALIZER, XFILEINITIALIZER, XFILEINITIALIZER, XFILEINITIALIZER, + XFILEINITIALIZER, XFILEINITIALIZER, XFILEINITIALIZER, XFILEINITIALIZER, + XFILEINITIALIZER, XFILEINITIALIZER, XFILEINITIALIZER, XFILEINITIALIZER, + XFILEINITIALIZER, XFILEINITIALIZER, XFILEINITIALIZER, XFILEINITIALIZER, + XFILEINITIALIZER, XFILEINITIALIZER, XFILEINITIALIZER, XFILEINITIALIZER, + XFILEINITIALIZER, XFILEINITIALIZER, XFILEINITIALIZER, XFILEINITIALIZER, + XFILEINITIALIZER, XFILEINITIALIZER, XFILEINITIALIZER, XFILEINITIALIZER, + XFILEINITIALIZER, XFILEINITIALIZER, XFILEINITIALIZER, XFILEINITIALIZER, + XFILEINITIALIZER, XFILEINITIALIZER, XFILEINITIALIZER, XFILEINITIALIZER, + XFILEINITIALIZER, XFILEINITIALIZER, XFILEINITIALIZER, XFILEINITIALIZER, +#endif + XFILEINITIALIZER }; + +/* + * Ptrs to end of read/write buffers for first _NFILE devices. + * There is an extra bufend pointer which corresponds to the dummy + * file number _NFILE, which is used by sscanf and sprintf. + * Our implementation makes sure it never references _realbufend/_reallock/ + * etc for *sscanf() and *sprintf(); such use of a shared item would not be + * thread safe. + */ +Uchar *_bufendtab[_NFILE+1] = { NULL, NULL, _smbuf[2] + _SBFSIZ, }; + +FILE _iob[_NFILE] = { + { 0, NULL, NULL, _IOREAD, 0 }, + { 0, NULL, NULL, _IOWRT, 1 }, + { 0, NULL, NULL, _IOWRT|_IONBF, 2 }, +}; + +/* + * Ptr to end of io control blocks + */ +FILE *_lastbuf = &_iob[_NFILE]; + +#endif /* _LP64 */ |