Debug instrumentation

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@47 42af7a65-404d-4744-a932-0658087f49c3

2 files changed, 13 insertions, 0 deletions

diff --git a/nuttx/include/sched.h b/nuttx/include/sched.h
index 0cf8d58d5..12cc29046 100644
--- a/nuttx/include/sched.h
+++ b/nuttx/include/sched.h
@@ -254,6 +254,11 @@ struct _TCB
 
 };
 typedef struct _TCB _TCB;
+
+/* This is the callback type used by sched_foreach() */
+
+typedef void (sched_foreach_t)(FAR _TCB *tcb, FAR void *arg);
+
 #endif /* __ASSEMBLY__ */
 
 /************************************************************
@@ -341,6 +346,13 @@ EXTERN FAR struct streamlist *sched_getstreams(void);
 #endif /* CONFIG_NFILE_STREAMS */
 #endif /* CONFIG_NFILE_DESCRIPTORS */
 
+/* sched_foreach will enumerate over each task and provide the
+ * TCB of each task to a user callback functions.  Interrupts
+ * will be disabled throughout this enumeration!
+ */
+
+EXTERN void sched_foreach(sched_foreach_t handler, FAR void *arg);
+
 #undef EXTERN
 #if defined(__cplusplus)
 }
diff --git a/nuttx/include/stdio.h b/nuttx/include/stdio.h
index 8b9a7e28e..f234a861c 100644
--- a/nuttx/include/stdio.h
+++ b/nuttx/include/stdio.h
@@ -131,6 +131,7 @@ struct _dirent
 {
   FAR char *d_name;           /* name of directory entry */
 };
+
 struct dirent
 {
   FAR char *d_name;           /* A pointer to d_szname */