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111
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1 /* { dg-do run } */
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2 /* { dg-require-effective-target cilkplus_runtime } */
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3 /* { dg-options "-fcilkplus" } */
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4
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5 #ifdef __cplusplus
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6 extern "C" {
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7 #endif
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8
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9 extern int __cilkrts_set_param (const char *, const char *);
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10
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11 #ifdef __cplusplus
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12 }
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13 #endif
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14
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15
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16 void f0(volatile int *steal_flag)
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17 {
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18 int i = 0;
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19 /* Wait for steal_flag to be set */
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20 while (!*steal_flag)
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21 ;
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22 }
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23
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24 int f1()
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25 {
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26
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27 volatile int steal_flag = 0;
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28 _Cilk_spawn f0(&steal_flag);
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29 steal_flag = 1; // Indicate stolen
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30 _Cilk_sync;
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31 return 0;
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32 }
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33
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34 void f2(int q)
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35 {
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36 q = 5;
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37 }
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38
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39 void f3()
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40 {
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41 _Cilk_spawn f2(f1());
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42 }
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43
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44 int main()
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45 {
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46 /* Ensure more than one worker. */
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47 if (__cilkrts_set_param("nworkers", "2") != 0)
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48 __builtin_abort();
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49
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50 f3();
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51 return 0;
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52 }
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