source: tests/io/io-acquire.cfa @ e46ea00

// 
// 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 : Tue Apr 27 11:49:34 2021
// Update Count     : 18
// 

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

thread T {};
void main( T & ) {
        // output from parallel threads should not be scrambled

        for ( 100 ) {                                                                           // local protection
                sout | acquire | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9;
        }
        {                                                                                                       // global protection (RAII)
                osacquire acq = { sout };
                for ( 100 ) {
                        sout | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9;
                }
        }
        {                                                                                                       // duplicate protection demonstrating recursive lock
                osacquire acq = { sout };
                for ( 100 ) {
                        osacquire acq = { sout };
                        sout | acquire | 1 | 2 | 3 | 4 | 5 | acquire | 6 | 7 | 8 | 9;
                        sout | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9;
                }
        }

        // above output used as input to parallel threads 

        int a, b, c, d, e, f, g, h, i;
        for ( 100 ) {                                                                           // local protection
                sin | acquire | a | b | c | d | e | f | g | h | i;
        }
        {                                                                                                       // global protection (RAII)
                isacquire acq = { sin };
                for ( 100 ) {
                        sin  | a | b | c | d | e | f | g | h | i;
                }
        }
        {                                                                                                       // duplicate protection demonstrating recursive lock
                isacquire acq = { sin };
                for ( 100 ) {
                        isacquire acq = { sin };
                        sin | acquire | a | b | c | d | e | acquire | f | g | h | i;
                        sin | a | b | c | d | e | f | g | h | i;
                }
        }
}
int main() {
        processor p;
        T t[5];
} 

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