github.com/riscv/riscv-go@v0.0.0-20200123204226-124ebd6fcc8e/misc/cgo/test/cthread_unix.c (about)

     1  // Copyright 2013 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  // +build darwin dragonfly freebsd linux netbsd openbsd solaris
     6  
     7  #include <pthread.h>
     8  #include "_cgo_export.h"
     9  
    10  static void*
    11  addThread(void *p)
    12  {
    13  	int i, max;
    14  	
    15  	max = *(int*)p;
    16  	for(i=0; i<max; i++)
    17  		Add(i);
    18  	return 0;
    19  }
    20  
    21  void
    22  doAdd(int max, int nthread)
    23  {
    24  	enum { MaxThread = 20 };
    25  	int i;
    26  	pthread_t thread_id[MaxThread];
    27  	
    28  	if(nthread > MaxThread)
    29  		nthread = MaxThread;
    30  	for(i=0; i<nthread; i++)
    31  		pthread_create(&thread_id[i], 0, addThread, &max);
    32  	for(i=0; i<nthread; i++)
    33  		pthread_join(thread_id[i], 0);		
    34  }