changed a lot: pdoctave_dataframe: sleepUntil changed. Doesn't work yet, perhaps will not work that way. Looking for a suitable solution...

pdoctave.c: starting octave when loading lib. removed the pdoctave object.
Started general chaos...

svn path=/trunk/externals/iem/pdoctave/; revision=4766

1 files changed, 34 insertions, 1 deletions

diff --git a/pdoctave_dataframe.c b/pdoctave_dataframe.c
index 7193c62..1ff6f09 100644
--- a/pdoctave_dataframe.c
+++ b/pdoctave_dataframe.c
@@ -1,4 +1,5 @@
 #include "pdoctave_dataframe.h"
+static int scheduling_ok = 1;
 
 SharedDataFrame *newSharedDataFrame () 
 {
@@ -203,6 +204,38 @@ void blockForWriting (SharedDataFrame *sdf)
    if (sdf)
       sdf->block_for_write = 1;
 }
+
+int sleepUntilReadUnBlocked (SharedDataFrame *sdf)
+{
+	alarm(MAX_SLEEP_TIME);
+      while ((sdf->block_for_read!=0)&&scheduling_ok) 
+	      sched_yield();
+      return scheduling_ok;
+}
+
+int sleepUntilReadBlocked (SharedDataFrame *sdf)
+{
+	alarm(MAX_SLEEP_TIME);
+      while ((sdf->block_for_read==0)&&scheduling_ok)
+	      sched_yield();
+      return scheduling_ok; 
+}
+
+int sleepUntilWriteUnBlocked (SharedDataFrame *sdf)
+{
+	alarm(MAX_SLEEP_TIME);
+      while ((sdf->block_for_write!=0)&&scheduling_ok) 
+	      sched_yield();
+      return scheduling_ok;
+}
+int sleepUntilWriteBlocked (SharedDataFrame *sdf)
+{
+	alarm(MAX_SLEEP_TIME);
+      while ((sdf->block_for_write==0)&&scheduling_ok)
+	      sched_yield();
+      return scheduling_ok;
+}
+/*
 void sleepUntilReadUnBlocked (SharedDataFrame *sdf, int usleep_time)
 {
    int timer = 0;
@@ -246,4 +279,4 @@ void sleepUntilWriteBlocked (SharedDataFrame *sdf, int usleep_time)
 	 
    }
 }
-      
+      */