irsan julfikar / C027_Support_Plus_Dialing

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Fork of C027_Support_New by irsan julfikar

Diff: Pipe.h

Revision:
75:ce6e12067d0c
Parent:
74:208e3e32d263
Child:
95:8282dbbe1492
--- a/Pipe.h	Thu May 15 22:20:42 2014 +0000
+++ b/Pipe.h	Fri May 16 14:13:00 2014 +0000
@@ -1,4 +1,5 @@
 #pragma once 
+#include "Relax.h"
 
 /** pipe, this class implements a buffered pipe that can be savely 
     written and read between two context. E.g. Written from a task 
@@ -77,7 +78,7 @@
         int j = i;
         i = _inc(i);
         while (i == _r) // = !writeable() 
-            /*wait for space*/;
+            RELAX_MS(0);
         _b[j] = c;
         _w = i; 
         return c;
@@ -100,6 +101,7 @@
                 f = free();
                 if (f > 0) break;     // data avail
                 if (!t) return n - c; // no more space and not blocking
+                RELAX_MS(0);
             }
             // check free space
             if (c < f) f = c;
@@ -144,7 +146,7 @@
     {
         int r = _r;
         while (r == _w) // = !readable()
-            /*wait for data*/;
+            RELAX_MS(0);
         T t = _b[r];
         _r = _inc(r);
         return t;
@@ -167,6 +169,7 @@
                 f = size();
                 if (f)  break;        // free space
                 if (!t) return n - c; // no space and not blocking
+                RELAX_MS(0);
             }
             // check available data
             if (c < f) f = c;