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 //go:build aix || 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 }
35
36 static void*
37 goDummyCallbackThread(void* p)
38 {
39 int i, max;
40
41 max = *(int*)p;
42 for(i=0; i<max; i++)
43 goDummy();
44 return NULL;
45 }
46
47 int
48 callGoInCThread(int max)
49 {
50 pthread_t thread;
51
52 if (pthread_create(&thread, NULL, goDummyCallbackThread, (void*)(&max)) != 0)
53 return -1;
54 if (pthread_join(thread, NULL) != 0)
55 return -1;
56
57 return max;
58 }
59
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