root/misc/cgo/test/cthread_unix.c

DEFINITIONS

1. addThread
2. doAdd

// Copyright 2013 The Go Authors.  All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// +build darwin dragonfly freebsd linux netbsd openbsd

#include <pthread.h>
#include "_cgo_export.h"

static void*
addThread(void *p)
{
        int i, max;
        
        max = *(int*)p;
        for(i=0; i<max; i++)
                Add(i);
        return 0;
}

void
doAdd(int max, int nthread)
{
        enum { MaxThread = 20 };
        int i;
        pthread_t thread_id[MaxThread];
        
        if(nthread > MaxThread)
                nthread = MaxThread;
        for(i=0; i<nthread; i++)
                pthread_create(&thread_id[i], 0, addThread, &max);
        for(i=0; i<nthread; i++)
                pthread_join(thread_id[i], 0);          
}