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authorstevel@tonic-gate <none@none>2005-06-14 00:00:00 -0700
committerstevel@tonic-gate <none@none>2005-06-14 00:00:00 -0700
commit7c478bd95313f5f23a4c958a745db2134aa03244 (patch)
treec871e58545497667cbb4b0a4f2daf204743e1fe7 /usr/src/lib/libc/port/stdio/data.c
downloadillumos-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.c141
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 */