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Diffstat (limited to 'c/src/exec/sapi/src/extensioncreate.c')
-rw-r--r-- | c/src/exec/sapi/src/extensioncreate.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/c/src/exec/sapi/src/extensioncreate.c b/c/src/exec/sapi/src/extensioncreate.c new file mode 100644 index 0000000000..d6dad318d3 --- /dev/null +++ b/c/src/exec/sapi/src/extensioncreate.c @@ -0,0 +1,65 @@ +/* + * Extension Manager -- rtems_extension_create + * + * + * COPYRIGHT (c) 1989-2002. + * 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.OARcorp.com/rtems/license.html. + * + * $Id$ + */ + +#include <rtems/system.h> +#include <rtems/rtems/support.h> +#include <rtems/score/object.h> +#include <rtems/score/thread.h> +#include <rtems/extension.h> + +/*PAGE + * + * rtems_extension_create + * + * This directive creates a extension and performs some initialization. + * + * Input parameters: + * name - extension name + * extension_table - pointer to extension set information + * id - pointer to extension id + * + * Output parameters: + * id - extension id + * RTEMS_SUCCESSFUL - if successful + * error code - if unsuccessful + */ + +rtems_status_code rtems_extension_create( + rtems_name name, + rtems_extensions_table *extension_table, + Objects_Id *id +) +{ + Extension_Control *the_extension; + + if ( !rtems_is_name_valid( name ) ) + return RTEMS_INVALID_NAME; + + _Thread_Disable_dispatch(); /* to prevent deletion */ + + the_extension = _Extension_Allocate(); + + if ( !the_extension ) { + _Thread_Enable_dispatch(); + return RTEMS_TOO_MANY; + } + + _User_extensions_Add_set( &the_extension->Extension, extension_table ); + + _Objects_Open( &_Extension_Information, &the_extension->Object, &name ); + + *id = the_extension->Object.id; + _Thread_Enable_dispatch(); + return RTEMS_SUCCESSFUL; +} |