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Diffstat (limited to 'nuttx/sched/pg_internal.h')
-rwxr-xr-x | nuttx/sched/pg_internal.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/nuttx/sched/pg_internal.h b/nuttx/sched/pg_internal.h new file mode 100755 index 000000000..5a22daad1 --- /dev/null +++ b/nuttx/sched/pg_internal.h @@ -0,0 +1,107 @@ +/**************************************************************************** + * sched/pg_internal.h + * + * Copyright (C) 2010 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +#ifndef __SCHED_PG_INTERNAL_H +#define __SCHED_PG_INTERNAL_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> +#include <queue.h> + +#ifdef CONFIG_PAGING + +/**************************************************************************** + * Pre-Processor Definitions + ****************************************************************************/ + +/* Configuration ************************************************************/ + +#ifndef CONFIG_PAGING_WORKPRIORITY +# define CONFIG_PAGING_WORKPRIORITY 50 +#endif + +#ifndef CONFIG_PAGING_WORKSTACKSIZE +# define CONFIG_PAGING_WORKSTACKSIZE CONFIG_IDLETHREAD_STACKSIZE +#endif + +#ifdef CONFIG_DISABLE_SIGNALS +# warning "Page fill support requires signals" +#endif + +/**************************************************************************** + * Public Types + ****************************************************************************/ + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +#ifndef __ASSEMBLY + +/* If is the PID of the page fill worker thread */ + +extern pid_t g_pgworker; + +/* If non-NULL, this points to the TCB of the task currently being filled */ + +extern FAR _TCB *g_filltcb; + +/**************************************************************************** + * Public Function Prototypes + ****************************************************************************/ + +/**************************************************************************** + * Name: pg_worker + * + * Description: + * This is the entry point of the worker thread that performs the actual + * page file. + * + * Input parameters: + * argc, argv (not used) + * + * Returned Value: + * Does not return + * + ****************************************************************************/ + +extern int pg_worker(int argc, char *argv[]); + +#endif /* __ASSEMBLY__ */ +#endif /* CONFIG_PAGING */ +#endif /* __SCHED_PG_INTERNAL_H */ |