[Boost-commit] svn:boost r77653 - trunk/libs/context/example

Subject: [Boost-commit] svn:boost r77653 - trunk/libs/context/example
From: oliver.kowalke_at_[hidden]
Date: 2012-03-30 14:54:31

Author: olli
Date: 2012-03-30 14:54:31 EDT (Fri, 30 Mar 2012)
New Revision: 77653
URL: http://svn.boost.org/trac/boost/changeset/77653

Log:
context: refactor unwind example (recursive call)

Text files modified: 
   trunk/libs/context/example/unwind.cpp |    18 ++++++++----------                      
   1 files changed, 8 insertions(+), 10 deletions(-)

Modified: trunk/libs/context/example/unwind.cpp
==============================================================================
--- trunk/libs/context/example/unwind.cpp	(original)
+++ trunk/libs/context/example/unwind.cpp	2012-03-30 14:54:31 EDT (Fri, 30 Mar 2012)
@@ -21,13 +21,15 @@
     { std::cout << "~X()" << std::endl; }
 };
 
-void fn()
+void fn( int n)
 {
-    X x;
-
-    for( int i = 0;; ++i)
+    if ( 0 < n)
+    {
+        X x;
+        fn ( --n);
+    }
+    else
     {
-        std::cout << "fn(): " << i << std::endl;
         ctx.suspend();
     }
 }
@@ -35,14 +37,10 @@
 int main( int argc, char * argv[])
 {
     ctx = boost::contexts::context(
-            fn,
+            fn, 5,
             boost::contexts::default_stacksize(),
                         boost::contexts::no_stack_unwind, boost::contexts::return_to_caller);
     ctx.start();
-    for ( int i = 0; i < 4; ++i)
-    {
-        ctx.resume();
-    }
 
     std::cout << "ctx is complete: " << std::boolalpha << ctx.is_complete() << "\n";
     std::cout << "call ctx.unwind_stack()" << std::endl;