summaryrefslogtreecommitdiffstats
path: root/cpukit/sapi/src/ioopen.c
diff options
context:
space:
mode:
authorJoel Sherrill <joel.sherrill@OARcorp.com>2007-05-29 19:56:35 +0000
committerJoel Sherrill <joel.sherrill@OARcorp.com>2007-05-29 19:56:35 +0000
commit9c556023f0d8d47bf5ce39a524e838936db7701f (patch)
tree9ef5118d3c1c69bd9ad651e681ffe16471b0ea14 /cpukit/sapi/src/ioopen.c
parent2007-05-29 Joel Sherrill <joel.sherrill@OARcorp.com> (diff)
downloadrtems-9c556023f0d8d47bf5ce39a524e838936db7701f.tar.bz2
2007-05-29 Joel Sherrill <joel.sherrill@OARcorp.com>
* sapi/Makefile.am, sapi/include/rtems/io.h, sapi/src/io.c: Split into one function per file execpt io.c which contains required initialization methods. * sapi/src/ioclose.c, sapi/src/iocontrol.c, sapi/src/iodata.c, sapi/src/ioinitialize.c, sapi/src/ioopen.c, sapi/src/ioread.c, sapi/src/ioregisterdriver.c, sapi/src/iounregisterdriver.c, sapi/src/iowrite.c: New files.
Diffstat (limited to 'cpukit/sapi/src/ioopen.c')
-rw-r--r--cpukit/sapi/src/ioopen.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/cpukit/sapi/src/ioopen.c b/cpukit/sapi/src/ioopen.c
new file mode 100644
index 0000000000..f8f1c84a86
--- /dev/null
+++ b/cpukit/sapi/src/ioopen.c
@@ -0,0 +1,48 @@
+/*
+ * Input/Output Manager - Open Device
+ *
+ * COPYRIGHT (c) 1989-2007.
+ * 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/system.h>
+#include <rtems/io.h>
+
+/*
+ * rtems_io_open
+ *
+ * This routine is the open directive of the IO manager.
+ *
+ * Input Paramters:
+ * major - device driver number
+ * minor - device number
+ * argument - pointer to argument(s)
+ *
+ * Output Parameters:
+ * returns - return code
+ */
+
+rtems_status_code rtems_io_open(
+ rtems_device_major_number major,
+ rtems_device_minor_number minor,
+ void *argument
+)
+{
+ rtems_device_driver_entry callout;
+
+ if ( major >= _IO_Number_of_drivers )
+ return RTEMS_INVALID_NUMBER;
+
+ callout = _IO_Driver_address_table[major].open_entry;
+ return callout ? callout(major, minor, argument) : RTEMS_SUCCESSFUL;
+}