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Sample Program using Library Calls

Sub1 and Sub2 are from different libraries. 
Sub1();
Sub2();
Sub1a and Sub1b are from the same library 
Sub1a();
Sub2();
Sub1b();
Figure 2.15: left-top; Correct Execution of Library Calls, right-top; Incorrect Execution of Library Calls, left-bottom; Correct Execution of Library Calls with Pending Communcication, right-bottom; Incorrect Execution of Library Calls with Pending Communication.
\includegraphics[scale=0.3]{figures/lib1.ps} \includegraphics[scale=0.3]{figures/lib2.ps}
\includegraphics[scale=0.3]{figures/lib3.ps} \includegraphics[scale=0.3]{figures/lib4.ps}

Cem Ozdogan 2006-12-27