source file of context usage project

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/simgrid/simgrid/trunk@2981 48e7efb5-ca39-0410-a469-dd3cf9ba447f

diff --git a/win32_testsuite/borland/builder6/simulation/xbt/context_usage/context_usage.c b/win32_testsuite/borland/builder6/simulation/xbt/context_usage/context_usage.c
new file mode 100644 (file)
index 0000000..50ce26a
--- /dev/null
+++ b/win32_testsuite/borland/builder6/simulation/xbt/context_usage/context_usage.c
@@ -0,0 +1,118 @@
+
+/* $Id$                   */
+
+/* log_usage - A test of normal usage of the log facilities                     */
+
+/* Copyright (c) 2003, 2004 Martin Quinson. All rights reserved.                */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package.     */
+
+#pragma hdrstop
+
+#include "xbt/context.h"
+#include "xbt/fifo.h"
+#include "stdlib.h"
+#include "stdio.h"
+
+xbt_context_t cA = NULL;
+xbt_context_t cB = NULL;
+xbt_context_t cC = NULL;
+xbt_fifo_t fifo = NULL;
+
+void print_args(int argc, char** argv);
+void print_args(int argc, char** argv)
+{
+       int i ; 
+       
+       printf("args=<");
+       
+       for(i=0; i<argc; i++) 
+               printf("%s ",argv[i]);
+       
+       printf(">\n");
+}
+
+int fA(int argc, char** argv);
+int fA(int argc, char** argv)
+{
+       printf("Here is fA: ");
+       print_args(argc,argv);
+       
+       printf("\tContext A: Yield\n");
+       xbt_context_yield();
+       
+       xbt_fifo_push(fifo,cB);
+       printf("\tPush context B from context A\n");
+       
+       printf("\tContext A: Yield\n");
+       xbt_context_yield();
+       printf("\tContext A : bye\n");
+       
+       return 0;
+}
+
+int fB(int argc, char** argv);
+int fB(int argc, char** argv)
+{
+       printf("Here is fB: ");
+       print_args(argc,argv);
+       xbt_fifo_push(fifo,cA);
+       printf("\tPush context A from context B\n");
+       printf("\tContext B: Yield\n");
+       xbt_context_yield();
+       printf("\tContext B : bye\n");
+       return 0;
+}
+
+int fC(int argc, char** argv);
+int fC(int argc, char** argv)
+{
+       printf("Here is fC: ");
+       print_args(argc,argv);
+       
+       
+       printf("\tContext C: Yield (and exit)\n");
+       xbt_context_yield();
+       
+       
+       return 0;
+}
+#pragma argsused
+
+int main(int argc, char **argv)
+{
+       xbt_context_t context = NULL;
+       
+       printf("XXX Test the simgrid context API\n");
+       printf("    If it fails, try another context backend.\n    For example, to force the pthread backend, use:\n       ./configure --with-context=pthread\n\n");
+       
+       xbt_context_init();
+       
+       cA = xbt_context_new(fA, NULL, NULL, NULL, NULL, 0, NULL);
+       cB = xbt_context_new(fB, NULL, NULL, NULL, NULL, 0, NULL);
+       cC = xbt_context_new(fC, NULL, NULL, NULL, NULL, 0, NULL);
+       
+       fifo = xbt_fifo_new();
+       
+       printf("Here is context 'main'\n");
+       xbt_context_start(cA);
+       printf("\tPush context 'A' from context 'main'\n");xbt_fifo_push(fifo,cA);
+       xbt_context_start(cB);
+       printf("\tPush context 'B' from context 'main'\n");xbt_fifo_push(fifo,cB);
+       xbt_context_start(cC);xbt_fifo_push(fifo,cC);
+       printf("\tPush context 'C' from context 'main'\n");xbt_fifo_push(fifo,cC);
+       
+       while((context=xbt_fifo_shift(fifo))) 
+       {
+               printf("Context main: Yield\n");
+               xbt_context_schedule(context);
+       }
+       
+       xbt_fifo_free(fifo);
+       xbt_context_exit();
+       
+       cA=cB=cC=NULL;
+       return 0;
+}
+