source: tests/io/io-acquire-in.cfa @ caa3e2c

// 
// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
//
// The contents of this file are covered under the licence agreement in the
// file "LICENCE" distributed with Cforall.
// 
// io-acquire.cfa -- 
// 
// Author           : Peter A. Buhr
// Created On       : Mon Mar  1 18:40:09 2021
// Last Modified By : Peter A. Buhr
// Last Modified On : Fri Jan 14 09:13:43 2022
// Update Count     : 73
// 

#include <fstream.hfa>
#include <thread.hfa>
#include <mutex_stmt.hfa>

Duration default_preemption() { return 0; }

        // above output used as input to parallel threads 
thread T2 {};
void main( T2 & ) {
        int a, b, c, d, e, f, g, h, i;
        for ( 100 ) {                                                                           // expression protection
                mutex(sin) sin | a | b | c | d | e | f | g | h | i;
        }
        mutex( sin ) {                                                                          // statement protection
                for ( 100 ) {
                        sin  | a | b | c | d | e | f | g | h | i;
                }
        }
        {                                                                                                       // duplicate protection demonstrating recursive lock
                ifstream & h1( ifstream & is ) {                                // helper
                        mutex( is ) return is | a | b | c | d;          // unnecessary mutex
                }
                ifstream & h2( ifstream & is ) {                                // helper
                        mutex( is ) return is | f | g | h | i;          // unnecessary mutex
                }
                mutex( sin ) {                                                                  // unnecessary mutex
                        for ( 5 ) {
                                mutex( sin ) {
                                        sin  | a | b | c | d | e | f | g | h | i;
                                        sin  | h1 | e | h2;                                     // refactored code
                                }
                        }
                }
        }
}
int main() {
        processor p;
        {
                T2 t[5];
        }
        sout | "done";
} 

// Local Variables: //
// tab-width: 4 //
// compile-command: "cfa io-acquire.cfa" //
// End: //