source: libcfa/src/concurrency/clib/cfathread.cfa@ 342be43

//
// Cforall Version 1.0.0 Copyright (C) 2016 University of Waterloo
//
// The contents of this file are covered under the licence agreement in the
// file "LICENCE" distributed with Cforall.
//
// clib/cfathread.cfa --
//
// Author           : Thierry Delisle
// Created On       : Tue Sep 22 15:31:20 2020
// Last Modified By :
// Last Modified On :
// Update Count     :
//

#include "kernel.hfa"
#include "thread.hfa"

thread CRunner {
        void (*themain)( CRunner * );
};

static void ?{}( CRunner & this, void (*themain)( CRunner * ) ) {
        this.themain = themain;
}

void main( CRunner & this ) {
        this.themain( &this );
}

processor * procs = 0p;
int proc_cnt = 1;

extern "C" {
        //--------------------
        // Basic thread management
        CRunner * cfathread_create( void (*main)( CRunner * ) ) {
                return new( main );
        }

        void cfathread_join( CRunner * thrd ) {
                delete( thrd );
        }

        void cfathread_park( void ) {
                park();
        }

        void cfathread_unpark( CRunner * thrd ) {
                unpark( *thrd );
        }

        void cfathread_yield( void ) {
                yield();
        }

        //--------------------
        // Basic kernel features
        void cfathread_setproccnt( int ncnt ) {
                assert( ncnt >= 1 );
                adelete(proc_cnt, procs);

                proc_cnt = ncnt - 1;
                procs = anew(proc_cnt);
        }
}