Updated comments; starting to implement priority protection but backed everything out but some changes to comments

git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4510 7fd9a85b-ad96-42d3-883c-3090e2eb8679

8 files changed, 25 insertions, 16 deletions

diff --git a/nuttx/sched/os_internal.h b/nuttx/sched/os_internal.h
index 16eb176e1..b7376eb1e 100644
--- a/nuttx/sched/os_internal.h
+++ b/nuttx/sched/os_internal.h
@@ -1,7 +1,7 @@
 /****************************************************************************
  * sched/os_internal.h
  *
- *   Copyright (C) 2007-2011 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2007-2012 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/nuttx/sched/sched_reprioritize.c b/nuttx/sched/sched_reprioritize.c
index 9c40e5e3d..3fa1c4da0 100644
--- a/nuttx/sched/sched_reprioritize.c
+++ b/nuttx/sched/sched_reprioritize.c
@@ -1,8 +1,8 @@
 /****************************************************************************
  * sched/sched_reprioritize.c
  *
- *   Copyright (C) 2009 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2009, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
diff --git a/nuttx/sched/sem_initialize.c b/nuttx/sched/sem_initialize.c
index a355571fd..e9ebfb737 100644
--- a/nuttx/sched/sem_initialize.c
+++ b/nuttx/sched/sem_initialize.c
@@ -1,8 +1,8 @@
 /****************************************************************************
  * schec/sem_initialize.c
  *
- *   Copyright (C) 2007, 2009 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2007, 2009, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
diff --git a/nuttx/sched/sem_internal.h b/nuttx/sched/sem_internal.h
index b67e506bf..4688e0cae 100644
--- a/nuttx/sched/sem_internal.h
+++ b/nuttx/sched/sem_internal.h
@@ -1,8 +1,8 @@
 /****************************************************************************
  * sched/sem_internal.h
  *
- *   Copyright (C) 2007, 2009-2011 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2007, 2009-2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -89,10 +89,16 @@ extern "C" {
 #define EXTERN extern
 #endif
 
+/* Common semaphore logic */
+
 EXTERN void weak_function sem_initialize(void);
 EXTERN void               sem_waitirq(FAR _TCB *wtcb, int errcode);
 EXTERN FAR nsem_t        *sem_findnamed(const char *name);
 
+/* Special logic needed only by priority inheritance to manage collections of
+ * holders of semaphores.
+ */
+
 #ifdef CONFIG_PRIORITY_INHERITANCE
 EXTERN void sem_initholders(void);
 EXTERN void sem_destroyholder(FAR sem_t *sem);
diff --git a/nuttx/sched/sem_post.c b/nuttx/sched/sem_post.c
index b29cdfb15..183ca362a 100644
--- a/nuttx/sched/sem_post.c
+++ b/nuttx/sched/sem_post.c
@@ -1,8 +1,8 @@
 /****************************************************************************
  * sched/sem_post.c
  *
- *   Copyright (C) 2007-2009 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2007-2009, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
diff --git a/nuttx/sched/sem_wait.c b/nuttx/sched/sem_wait.c
index e36de438d..98097c991 100644
--- a/nuttx/sched/sem_wait.c
+++ b/nuttx/sched/sem_wait.c
@@ -1,8 +1,8 @@
 /****************************************************************************
  * sched/sem_wait.c
  *
- *   Copyright (C) 2007-2011 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2007-2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
diff --git a/nuttx/sched/task_restart.c b/nuttx/sched/task_restart.c
index 1cd575a4e..c70a2e945 100644
--- a/nuttx/sched/task_restart.c
+++ b/nuttx/sched/task_restart.c
@@ -1,8 +1,8 @@
 /****************************************************************************
  * sched/task_restart.c
  *
- *   Copyright (C) 2007, 2009 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2007, 2009, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -146,9 +146,12 @@ int task_restart(pid_t pid)
 
        sig_cleanup(tcb); /* Deallocate Signal lists */
 
-       /* Reset the task priority  */
+       /* Reset the current task priority  */
 
        tcb->sched_priority = tcb->init_priority;
+
+       /* Reset the base task priority and the number of pending reprioritizations */
+
 #ifdef CONFIG_PRIORITY_INHERITANCE
        tcb->base_priority  = tcb->init_priority;
 #  if CONFIG_SEM_NNESTPRIO > 0
diff --git a/nuttx/sched/task_setup.c b/nuttx/sched/task_setup.c
index 9fdbf3d25..2cbd6daba 100644
--- a/nuttx/sched/task_setup.c
+++ b/nuttx/sched/task_setup.c
@@ -1,8 +1,8 @@
 /****************************************************************************
  * sched/task_setup.c
  *
- *   Copyright (C) 2007-2011 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2007-2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions