From 55568af2e70d7026b57fe54ce14f6980a37c4e08 Mon Sep 17 00:00:00 2001
From: Joel Sherrill <joel.sherrill@OARcorp.com>
Date: Mon, 26 Mar 2007 22:31:31 +0000
Subject: 2007-03-26	Joel Sherrill <joel@OARcorp.com>

	* libcsupport/src/assoc.c, libcsupport/src/libio.c,
	libcsupport/src/write.c: Split files to shrink minimum.exe. Hopefully
	this will not be deemed necessary to commit to the 4.7 branch.
	* libcsupport/src/assoclocalbyname.c,
	libcsupport/src/assoclocalbyremote.c,
	libcsupport/src/assoclocalbyremotebitfield.c,
	libcsupport/src/assocnamebylocal.c,
	libcsupport/src/assocnamebylocalbitfield.c,
	libcsupport/src/assocnamebyremote.c,
	libcsupport/src/assocnamebyremotebitfield.c,
	libcsupport/src/assocptrbylocal.c, libcsupport/src/assocptrbyname.c,
	libcsupport/src/assocptrbyremote.c,
	libcsupport/src/assocremotebylocal.c,
	libcsupport/src/assocremotebylocalbitfield.c,
	libcsupport/src/assocremotebyname.c, libcsupport/src/libio_init.c,
	libcsupport/src/write_r.c: New files.
---
 cpukit/libcsupport/src/libio_init.c | 90 +++++++++++++++++++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 cpukit/libcsupport/src/libio_init.c

(limited to 'cpukit/libcsupport/src/libio_init.c')

diff --git a/cpukit/libcsupport/src/libio_init.c b/cpukit/libcsupport/src/libio_init.c
new file mode 100644
index 0000000000..4968058637
--- /dev/null
+++ b/cpukit/libcsupport/src/libio_init.c
@@ -0,0 +1,90 @@
+/*
+ *  This file contains the support infrastructure used to manage the
+ *  table of integer style file descriptors used by the low level
+ *  POSIX system calls like open(), read, fstat(), etc.
+ *
+ *  COPYRIGHT (c) 1989-1999.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ *
+ *  $Id$
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <rtems/libio_.h>               /* libio_.h pulls in rtems */
+#include <rtems.h>
+#include <rtems/assoc.h>                /* assoc.h not included by rtems.h */
+
+#include <stdio.h>                      /* O_RDONLY, et.al. */
+#include <fcntl.h>                      /* O_RDONLY, et.al. */
+#include <assert.h>
+#include <errno.h>
+
+#include <errno.h>
+#include <string.h>                     /* strcmp */
+#include <unistd.h>
+#include <stdlib.h>                     /* calloc() */
+
+#include <rtems/libio.h>                /* libio.h not pulled in by rtems */
+
+/*
+ *  File descriptor Table Information
+ */
+
+extern uint32_t    rtems_libio_number_iops;
+rtems_id           rtems_libio_semaphore;
+rtems_libio_t     *rtems_libio_iops;
+rtems_libio_t     *rtems_libio_iop_freelist;
+
+/*
+ *  rtems_libio_init
+ *
+ *  Called by BSP startup code to initialize the libio subsystem.
+ */
+
+void rtems_libio_init( void )
+{
+    rtems_status_code rc;
+    int i;
+    rtems_libio_t *iop;
+
+    if (rtems_libio_number_iops > 0)
+    {
+        rtems_libio_iops = (rtems_libio_t *) calloc(rtems_libio_number_iops,
+                                                    sizeof(rtems_libio_t));
+        if (rtems_libio_iops == NULL)
+            rtems_fatal_error_occurred(RTEMS_NO_MEMORY);
+
+        iop = rtems_libio_iop_freelist = rtems_libio_iops;
+	for (i = 0 ; i < (rtems_libio_number_iops - 1) ; i++, iop++)
+		iop->data1 = iop + 1;
+	iop->data1 = NULL;
+    }
+
+  /*
+   *  Create the binary semaphore used to provide mutual exclusion
+   *  on the IOP Table.
+   */
+
+  rc = rtems_semaphore_create(
+    RTEMS_LIBIO_SEM,
+    1,
+    RTEMS_BINARY_SEMAPHORE | RTEMS_INHERIT_PRIORITY | RTEMS_PRIORITY,
+    RTEMS_NO_PRIORITY,
+    &rtems_libio_semaphore
+  );
+  if ( rc != RTEMS_SUCCESSFUL )
+    rtems_fatal_error_occurred( rc );
+
+  /*
+   *  Initialize the base file system infrastructure.
+   */
+
+  rtems_filesystem_initialize();
+}
-- 
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